Thermal Sensor Having a Coupling Layer, and a Thermal Imaging System Including the Same

A thermal sensor includes a first semi-transparent electrode; a second electrode; a thermally sensitive element positioned between the first and second electrodes; and a coupling layer positioned between the first electrode and the thermally sensitive element, wherein the thermally sensitive element is in electrical communication with the first electrode via the coupling layer and is in electrical communication with the second electrode. An optional second coupling layer may be positioned between the second electrode and the thermally sensitive element, wherein the thermally sensitive element is in electrical communication with the second electrode via the second coupling layer.

Sensor and double integration method for capturing thermal patterns

Method for capturing a thermal pattern by a sensor comprising a plurality of pixels each comprising a heat-sensitive measuring element, the method comprising, for each pixel: heating the measuring element; first reading of the electrical charges outputted by the pixel during a first measurement duration and giving a first measurement value x 1 ; second reading of the electrical charges outputted by the pixel during a second measurement duration and giving a second measurement value x 2 ; calculating a difference x 1 −α·x 2 , where α is a positive real number, and wherein more than half of the heating duration is implemented during the first measurement duration and less than half of the heating duration is implemented during the second measurement duration.

CONFIGURABLE FAIL-SAFE FLAME DETECTOR

A flame detector includes a beam splitter to split mid-wave infrared radiation (MWIR) and long-wave infrared radiation (LWIR) into an MWIR component and an LWIR component. An MWIR detector detects the MWIR component and an LWIR detector detects the LWIR component. The flame detector analyzes the MWIR component to determine the presence of a flame and analyzes the LAIR component to determine whether the system is functioning properly. 1. A system comprising:a lens through which one or more of mid-wave infrared radiation (MWIR), long-wave infrared radiation (LWIR), and visible/near infrared radiation (VIS/NIR) pass;a beam splitter to split the MWIR, the LWIR, and the VIS/NIR into one or more of an MWIR component, an LWIR component, and a VIS/NIR component;an MWIR detector for receiving the MWIR component;one or more of an LWIR detector for receiving the LWIR component and a visible/near infrared (VIS/NIR) detector for receiving the VIS/NIR component, wherein the LWIR detector and the VIS/NIR detector are standalone units separate from the MWIR detector; anda computer processor coupled to the MWIR detector, the LWIR detector, and the VIS/NIR detector;wherein the MWIR detector is operable to detect the MWIR component;wherein the LWIR detector is operable to detect the LWIR component;wherein the VIS/NIR detector is operable to detect the VIS/NIR component;wherein the computer processor is operable to analyze the MWIR component and to determine a presence of a flame; andwherein the computer processor is operable to analyze one or more of the LWIR component and the VIS/NIR component and to determine whether the system is functioning properly.2. The system of claim 1 , wherein the MWIR detector comprises a bolometer array and a filter-window operable to permit only the MWIR component to reach the bolometer array.3. The system of claim 1 , wherein the VIS/NIR detector comprises a near infrared light camera.4. The system of claim 1 , wherein the MWIR detector is positioned at ...

COMPACT HUMAN PRESENCE DETECTOR

A multimodal and highly compact human presence detector that includes, on a same silicon chip made using CMOS technology, a first array of pixels, made sensitive to far-infrared radiation by depositing a pyroelectric layer, converting the received far-infrared radiation into electrical charges, juxtaposed with at least one second array of pixels sensitive to visible light, converting the received visible light into electrical charges, and a circuit for reading the charges generated in each of the arrays by the visible light or the far-infrared radiation, the detector further including, on top of the silicon chip, an optical element for focusing the far-infrared radiation on the first array, and an optical element for focusing the visible light on the second array. 18-. (canceled)9. A human presence detector comprising , on a same silicon chip:a first array of pixels configured with a pyroelectric layer for converting received far-infrared radiation into electric charges;at least one second array of pixels responsive to visible light adjacent the first array;a circuit for reading charges generated in each of the arrays by the visible light or the far-infrared radiation;an optical element for focusing the far-infrared radiation on the first array; andan optical element for focusing the visible light on the second array.10. The detector according to claim 9 , wherein the second array occupies a portion of less than 25% of the surface area of the first array.11. The detector according to claim 9 , wherein the pixel size of the second array is at least five times smaller claim 9 , in surface area claim 9 , than the pixels of the first array.12. The detector according to claim 9 , wherein the second array is adjacent an edge or a corner of the first array.13. The detector according to claim 9 , wherein the first array comprises:a surface layer of an organic pyroelectric material, andelectrodes on both sides of the layer to collect charges generated in the layer by ...

Motion Sensor for Occupancy Detection and Intrusion Detection

A motion sensor has an infrared detector with a first set of detector elements coupled to a first channel and a second set of detector elements coupled to a second channel. A first optical subsystem directs infrared radiation from a first number of monitored volumes to the infrared detector and a second optical subsystem directs infrared radiation from a second number of monitored volumes to the infrared detector. Intrusion detection circuitry is coupled to both channels of the infrared detector and selects a set of peaks in the first channel and the second channel. It then calculates an alternation score based on a number of alternating peaks in the set of peaks, and indicates an intrusion detection based, at least in part, on the alternation score. The circuitry also determines a peak-to-peak period for the first channel and calculates a slope-synchrony measurement to modify the alternation score. 1. A motion sensor comprising:an infrared detector comprising a first set of detector elements and a second set of detector elements;a first optical subsystem adapted to direct infrared radiation from a first row of monitored volumes spaced at a first pitch in a first direction onto the first set of detector elements, and to direct infrared radiation from a second row of monitored volumes spaced at the first pitch in the first direction, and offset from the first row of monitored volumes in the first direction, onto the second set of detector elements, the first row and the second row each consisting of a first number of monitored volumes; anda second optical subsystem adapted to direct infrared radiation from a third row of monitored volumes spaced at a second pitch in the first direction onto the first set of detector elements, and to direct infrared radiation from a fourth row of monitored volumes spaced at the second pitch in the first direction, and offset from the third row of monitored volumes in the first direction, onto the second set of detector elements, the ...

PYROELECTRIC MATERIAL, MANUFACTURING METHOD OF PYROELECTRIC MATERIAL, PYROELECTRIC ELEMENT, MANUFACTURING METHOD OF PYROELECTRIC ELEMENT, THERMOELECTRIC CONVERSION ELEMENT, MANUFACTURING METHOD OF THERMOELECTRIC CONVERSION ELEMENT, THERMAL PHOTODETECTOR, MANUFACTURING METHOD OF THERMAL PHOTODETECTOR, AND ELECTRONIC INSTRUMENT

A pyroelectric material is constituted with an oxide containing iron, manganese, bismuth, and lanthanum, in which a ratio of the number of the manganese atoms to the sum of the number of the iron atoms, the number of the manganese atoms, and the number of titanium atoms is equal to or greater than 1.0 at % and equal to or less than 2.0 at %, and a ratio of the number of the titanium atoms to the sum of the number of the iron atoms, the number of the manganese atoms, and the number of the titanium atoms is equal to or greater than 0 at % and equal to or less than 4.0 at %. 1. A pyroelectric material comprising an oxide containing iron , manganese , bismuth , and lanthanum ,wherein a ratio of the number of the manganese atoms to the sum of the number of the iron atoms, the number of the manganese atoms, and the number of titanium atoms is equal to or greater than 1.0 at % and equal to or less than 2.0 at %, anda ratio of the number of the titanium atoms to the sum of the number of the iron atoms, the number of the manganese atoms, and the number of the titanium atoms is equal to or greater than 0 at % and equal to or less than 4.0 at %.2. The pyroelectric material according to claim 1 ,wherein a ratio of the number of the lanthanum atoms to the sum of the number of the bismuth atoms and the number of the lanthanum atoms is equal to or greater than 10 at % and equal to or less than 20 at %.3. A manufacturing method of a pyroelectric material claim 1 , comprising heating a solution obtained by dissolving fatty acid metal salts in an organic solvent so as to manufacture a pyroelectric material constituted with an oxide containing iron claim 1 , manganese claim 1 , bismuth claim 1 , and lanthanum claim 1 ,wherein in the pyroelectric material, a ratio of the number of the manganese atoms to the sum of the number of the iron atoms, the number of the manganese atoms, and the number of titanium atoms is equal to or greater than 1.0 at % and equal to or less than 2.0 at %, and ...

Motion sensor

A motion sensor has at least two tiers of monitored volumes that are offset from each other. Electromagnetic radiation, such as infrared light, is directed from the monitored volumes onto at least two sets of detector elements having separate outputs on a pyroelectric substrate of an infrared detector. As a warm object, such as a human or an animal, moves through the monitored volumes, the warmth from the object causes the voltage on the outputs of the infrared detector to change. The resultant waveforms are compared and if the two waveforms have a phase relationship corresponding to a critical phase angle that is based on the pitch of the monitored volumes and the offset between the tiers of monitored volumes, an animal-immune motion indication is generated. 110-. (canceled)11. A motion sensor comprising:an infrared detector comprising a first set of detector elements and a second set of detector elements; andan optical system to direct electromagnetic energy from a first set of monitored volumes spaced at a pitch in a first direction onto the first set of detector elements and to direct electromagnetic energy from a second set of monitored volumes spaced at the pitch in the first direction onto the second set of detector elements;wherein the second set of monitored volumes have an offset from the first set of monitored volumes in the first direction.12. The motion sensor of claim 11 , wherein the electromagnetic energy comprises infrared light.13. The motion sensor of claim 11 , wherein the optical system comprises at least a Fresnel lens.14. The motion sensor of claim 11 , wherein the optical system comprises at a plurality of reflecting elements.15. The motion sensor of claim 11 , wherein the offset is a non-quadrature offset.16. The motion sensor of claim 11 , wherein the second set of monitored volumes have a second offset from the first set of monitored volumes in a second direction that is orthogonal to the first direction.17. The motion sensor of claim 16 , ...

THERMAL SENSOR COMBINATION

A thermal sensor device using a combination of thermopile and pyroelectric sensors is disclosed. The combination is achieved in a process flow that includes ferroelectric materials, which may be used as a pyroelectric sensor, and p-poly/n-poly for thermopiles. The combination retains the sensitivity and accuracy of the thermopile sensor and speed of pyroelectric sensors. The combination provides lower noise than individual thermopile sensors and results in a higher signal-to-noise ratio. 1: A microelectronic device comprising:a heat sensing layer formed in a semiconductor substrate, the heat sensing layer comprising an array of thermopile elements arranged around an array of pyroelectric elements;a thermal isolation membrane formed underneath the heat sensing layer;a heat absorbing layer formed over the heat sensing layer; anda heat sink coupled to the semiconductor substrate,wherein a first end of each one of the thermopile elements is thermally coupled to the heat absorbing layer and thermally isolated from the heat sink by the thermal isolation membrane, anda second end of each one of the thermopile elements is thermally coupled to the heat sink and thermally isolated from the heat absorbing layer by the thermal isolation membrane.2: The micro electric device of claim 1 , wherein the pyroelectric array is thermally coupled to the heat absorbing layer and thermally isolated from the heat sink by the thermal isolation membrane.3: The microelectronic device of claim 1 , wherein the thermal isolation membrane is formed on the semiconductor substrate using one or more of hydrofluoric acid (HF) vapor etching and reactive-ion etching.4: The microelectronic device of claim 1 , wherein the pyroelectric elements are ferroelectric isolation capacitors.6: The microelectronic device of claim 1 , wherein the thermopile array and the pyroelectric array are electrically coupled in parallel.7: The microelectronic device of claim 1 , wherein the thermopile array is selected from a ...

METHOD FOR PRODUCING A STACK OF LAYERS FOR A MATRIX THERMAL SENSOR

A method produces a matrix of pixels of a thermal sensor, suitable for passive addressing. The matrix of pixels includes a layer including a first series of electrically conducting strips, forming charge collection macro-electrodes; a layer including a pyroelectric material; and a layer including a second series of electrically conducting strips, forming heating strips. The method includes a step of transfer of one on the other of a first and a second elementary stack, the first elementary stack including the first series of strips, and the second elementary stack including the second series of strips. This method makes it possible to relax the manufacturing constraints of the series of strips. 1. A method for producing a matrix of pixels for a thermal sensor , each pixel including a pyroelectric capacitance formed by a portion including a pyroelectric material arranged between a charge collection electrode and a reference electrode , and a heating element , the heating elements of the pixels of a same line of pixels being integrally formed together into a same heating strip , the charge collection electrodes of the pixels of a same column of pixels being integrally formed together into a same charge collection macro-electrode , and the matrix of pixels being constituted of a stack of layers comprising:a layer of charge collection electrodes, including a first series of electrically conducting strips parallel with each other, forming the charge collection macro-electrodes;a layer including a pyroelectric material, comprising the pyroelectric material portions of each of the pixels; anda heating layer, including a second series of electrically conducting strips parallel with each other, forming the heating strips, wherein the layer including a pyroelectric material is located between the layer of charge collection electrodes and the heating layer;the method comprising:transferring one on the other of a first and a second elementary stack, to form said stack of layers ...

Electromagnetic Radiation Power and Irradiance Measurement Device and Methods

The present invention relates to a system for measuring the power of electromagnetic radiation (EMR) using piezoelectric transducers (PZTs) and pyroelectric transducers (PRTs). According to an illustrative embodiment of the present disclosure, a target cell has a mirrored surface that can partially reflect and partially absorb EMR. Each target cell can include or be coupled to PZTs and PRTs. When incident EMR reflects off of targets cells, the reflected portion creates radiation pressure and the non-reflected portions creates heat. The PZTs convert the pressure into a first electric current, and the PRTs convert the heat into a second electric current. Measuring the first and/or second currents allows a user to calculate the original power of an EMR source. By utilizing multiple target cells placed in specially designed arrays, a user can calculate fluctuations of EMR power by time and location across the target cells. 1. An electromagnetic radiation (EMR) measurement system comprising:a plurality of target cells each comprising a first section comprising a piezoelectric material and a pyroelectric material and a second section comprising a reflective material;a processor electrically coupled to each target cell of the plurality of target cells;wherein EMR reflecting off the plurality of target cells creates radiation pressure upon the plurality of targets cells, wherein the radiation pressure induces a first portion of an electric current within the plurality of target cells;wherein EMR absorbed by the plurality of target cells induces a second portion of the electric current within the plurality of target cells;wherein the processor receives the first and second portions of the electric current.2. The system of claim 1 , each target cell further comprising a force member disposed between the first and second sections.3. The system of claim 2 , each target cell further comprising a plurality of fins disposed along the force member.4. The system of claim 2 , each ...

Ceiling mounted motion detector with pir signal enhancement

A system including a pyroelectric sensor further including an enclosure, a positive pyroelectric sensing element located within the enclosure, a negative pyroelectric sensing element located adjacent the positive pyroelectric sensing element within the enclosure and a window disposed in the enclosure having an elongated shape with a width of the window parallel to a line joining the respective centers of the sensing elements and the length perpendicular to the line wherein the window is centered over the sensing elements to conduct infrared energy from an external source onto the sensing elements and wherein the width of the window is less than the combined widths of the sensing elements plus any space separating the sensing elements.

Pyroelectric presence identification system

A pyroelectric presence identification system includes focal plane array and a processor coupled to the focal plane array. The focal plane array includes a first image sensor and a plurality of second image sensors configured to convert radiant energy into an electrical signal. The processor is configured to control the focal plane array in a sleep mode wherein the first image sensor is utilized to detect gross motion of at least one presence and the plurality of second image sensors are de-energized.

PYROELECTRIC SENSOR WITH AN ELECTROMAGNETIC SHIELDING INCLUDING A COMPOSITE MATERIAL

The invention relates to a heat pattern sensor including a matrix of pyroelectric capacitances. The sensor further includes an electromagnetic shielding stage, electrically conducting, situated between a stage including a pyroelectric material and a contact surface of the sensor. The electromagnetic shielding stage includes a shielding layer which comprises nanowires and/or nanotubes lying in a surrounding medium. The nanowires and/or nanotubes have a thermal conductivity greater than that of the surrounding medium. A ratio between a distribution pitch of the pixels of the matrix of pixels and a thickness of the shielding layer is greater than or equal to 20. The invention makes it possible to obtain at the same time rapid heat transfers through the electromagnetic shielding stage and low lateral heat transfers, from one pixel to the other of the sensor. 2. The heat pattern sensor according to claim 1 , wherein the material of the nanowires and/or nanotubes has a thermal conductivity at least ten times greater than that of said surrounding medium.3. Heat The heat pattern sensor according to claim 1 , wherein the shielding layer is constituted of a composite material claim 1 , the composite material comprising said nanowires and/or nanotubes integrated in a binder which forms said surrounding medium.4. Heat The heat pattern sensor according to claim 3 , wherein the composite material comprises between 20% and 40% by weight of nanowires and/or nanotubes.5. Heat The heat pattern sensor according to claim 3 , wherein the binder is an electrically insulating polymer matrix claim 3 , and wherein the nanowires and/or nanotubes together form a percolated network.6. The heat pattern sensor according to claim 3 , wherein the binder is an electrically conducting polymer matrix claim 3 , and wherein the nanowires and/or nanotubes together form a non-percolated network.7. The heat pattern sensor according to claim 1 , wherein the nanowires and/or nanotubes each have a length ...

DETECTION CIRCUIT, SENSOR DEVICE AND ELECTRONIC APPARATUS

A detection circuit includes a pyroelectric element, an amplifier circuit, a first switching element and a second switching element. The amplifier circuit includes a transistor in which a detection signal from the pyroelectric element is inputted to a gate. The first switching element interrupts an electric current that flows into the transistor. The second switching element interrupts a connection between the pyroelectric element and the gate of the transistor. 1. A detection circuit comprising:a pyroelectric element;an amplifier circuit that includes a transistor in which a detection signal from the pyroelectric element is inputted to a gate;a first switching element that interrupts an electric current that flows into the transistor; anda second switching element that interrupts a connection between the pyroelectric element and the gate of the transistor.2. The detection circuit according to claim 1 , wherein the second switching element interrupts the connection between the pyroelectric element and the gate of the transistor before the first switching element releases the interruption of the electric current that flows in the transistor.3. The detection circuit according to claim 2 , further comprising: a discharge switch that discharges an electric charge of a wire that connects between the second switching element and the gate of the transistor.4. The detection circuit according claim 3 , wherein a discharge performed by the discharge switch is end after the first switching element released the interruption of the electric current that flows in the transistor claim 3 , and additionally claim 3 , before the second switching element releases the interruption of the connection between the pyroelectric element and the gate of the transistor.5. The detection circuit according to claim 4 , wherein the discharge switch starts a discharge operation before the connection between the gate and the pyroelectric element is released by the second switching element.6. The ...

Sensor noise suppression

A passive infrared sensor system comprising: a direct current (DC) voltage source supplying a DC voltage; a passive infrared sensor supplied with the DC voltage, the passive infrared sensor comprising at least one sensor element; an alternating current (AC) voltage source supplying an AC voltage, the AC voltage source arranged to induce an alternating current to flow through said at least one sensor element; an amplifier arranged to amplify an output signal that is output from the passive infrared sensor to generate an amplified output signal; and a filter arranged to filter the amplified output signal to provide an output of the passive infrared sensor system, wherein the filter is configured to filter a frequency of the AC voltage.

THERMOELECTRIC CONVERSION ELEMENT, LIGHT DETECTION DEVICE, ELECTRONIC APPARATUS

A thermoelectric conversion element includes a pair of electrodes and a pyroelectric material, which is a ferroelectric layer, sandwiched between the pair of electrodes. The pyroelectric material includes at least Bi (bismuth), La (lanthanum), and Fe (iron). The molar fraction of La in a Bi/La site in the crystal structure of the pyroelectric material is 0.15 or more and 0.20 or less. Such a thermoelectric conversion element, and a light detection device and electronic apparatus which include the thermoelectric conversion element have a good pyroelectric function without including Pb (lead). 2. The thermoelectric conversion element according to claim 1 , whereinthe ferroelectric layer further includes Mn (manganese) and Ti (titanium), andthe molar fraction of Ti in a Fe/Mn/Ti site in the crystal structure of the ferroelectric layer is 0.05 or less.3. The thermoelectric conversion element according to claim 1 , whereinthe thermoelectric conversion element has a degree of polarization retained in the thermoelectric conversion element changes reversibly with respect to a change in element temperature.4. The thermoelectric conversion element according to claim 1 , wherein{'sup': '2', 'the thermoelectric conversion element has a pyroelectric coefficient of less than −4 [nC/(cm·K)] during the time when element temperature increases.'}5. The thermoelectric conversion element according to claim 1 , whereinthe thermoelectric conversion element has a polarization retention rate of 87% or more in 7 min after a polarization process.6. The thermoelectric conversion element according to claim 1 , whereinthe thermoelectric conversion element has a polarization retention rate of 84% or more in 15 h after a polarization process.7. The thermoelectric conversion element according to claim 1 , further comprising:a light absorptive portion which is in contact with one of the pair of electrodes.8. A light detection device comprising:{'claim-ref': {'@idref': 'CLM-00007', 'claim 7'}, 'the ...

INFRARED SENSOR AND INFRARED SENSOR ARRAY

An infrared sensor for detecting infrared light rays of a specific wavelength is disclosed. The infrared sensor includes a package and an infrared detecting element formed on the package. The infrared detecting element includes a thermal detector and an absorber formed on the thermal detector to absorb infrared light rays of a specific wavelength. The infrared light rays of the specific wavelength are detected by the conversion of the infrared light rays into heat. A cap formed on the package is provided to cover the infrared detecting element. The cap includes a body having a front and rear surfaces, through which the infrared light rays transmit and a shielding film formed on at least one of the front and rear surfaces of the body to define a window. The infrared light rays are reflected on the shielding film except for the window. Every one of the infrared light rays passing through the window of the cap impinge on the absorber. 1. An infrared sensor for detecting infrared light rays of a specific wavelength , the infrared sensor comprising:a) a package; a thermal detector; and', 'an absorber formed on the thermal detector which is configured to absorb infrared light rays of a specific wavelength, wherein the infrared light rays of the specific wavelength are detected by the conversion of the infrared light rays into heat; and, 'b) an infrared detecting element formed on the package, the infrared detecting element comprising a body having a front and rear surfaces, through which the infrared light rays transmit; and', 'a shielding film, with a window formed therein, provided on at least one of the front and rear surfaces of the body, wherein the infrared light rays are reflected on the shielding film other than the portion of the window, wherein, 'c) a cap formed on the package to cover the infrared detecting element, the cap comprisingevery one of the infrared light rays passing through the window of the cap impinges on the absorber.2. An infrared sensor for ...

THERMAL PATTERN SENSOR

A thermal pattern sensor comprising a plurality of pixels, each pixel comprising at least one pyroelectric capacitor formed by at least one portion of pyroelectric material arranged between a lower electrode and an upper electrode, in which one of the lower and upper electrodes corresponds to an electrode for reading the pixel and in which a heating element that can heat the portion of pyroelectric material of the pyroelectric capacitor of the pixel by Joule effect during a measurement of the thermal pattern by the pyroelectric capacitor of the pixel is formed by the other of the lower and upper electrodes. 114-. (canceled)15. A thermal pattern sensor comprising a plurality of pixels , each pixel comprising at least one pyroelectric capacitance formed by at least one portion of pyroelectric material arranged between a lower electrode and an upper electrode , in which one of the lower and upper electrodes corresponds to an electrode for reading the pixel and in which a heating element that can heat the portion of pyroelectric material of the pyroelectric capacitance of said pixel by Joule effect during a measurement of the thermal pattern by the pyroelectric capacitance of said pixel is formed by the other of the lower and upper electrodes.16. The thermal pattern sensor according to claim 15 , in which the pyroelectric material comprises PVDF and/or P(VDF-TrFE) and/or PZT.17. The thermal pattern sensor according to claim 15 , further comprising a substrate on which are arranged the pyroelectric capacitances of the pixels claim 15 , the lower electrode of the pyroelectric capacitance of each pixel being arranged between the substrate and the portion of pyroelectric material of the pyroelectric capacitance of the pixel claim 15 , and in which the upper electrode of the pyroelectric capacitance of each pixel forms the heating element of said pixel.18. The thermal pattern sensor according to claim 15 , in which the electrodes of the pyroelectric capacitances of the ...

Improvements in, or relating to, infra-red detection

描述了一种使用红外辐射分析材料的系统和方法,以及一种用于该系统和方法的红外探测器。该系统(10)包括一矩形外壳(42),一细长探针(24)连接在该外壳上;该系统包括下面各个部分:一光谱仪(12),一红外探测器(14),第一和第二光纤束(16,18),第一和第二会聚透镜(20,22),准直透镜(26),红外源(28),衰减全反射元件(44)和斩波器(54)。该红外探测器包括形成在从刚性硅框架上伸出的热电共聚物材料层的下表面上的探测器元件阵列,以及暴露于待探测的红外辐射的上电极阵列。

Method for manufacturing detecting element, method for manufacturing imaging device, detecting element, imaging device, and electronic device

本发明提供一种检测元件和摄像器件及它们的制造方法以及电子设备。在现有的检测元件中难以提高生产性和可靠性。一种检测元件的制造方法，所述检测元件具有：温度根据已吸收的电磁波的量而上升的吸收部以及特性根据从所述吸收部传递的热的量而发生变化的电容器(37)，其特征在于，所述检测元件的制造方法包括：在基板形成电容器(37)的工序；形成覆盖电容器(37)的保护膜(79)的工序；在形成保护膜(79)的工序之后，在基板的俯视观察时与电容器(37)重叠的区域形成空洞部的工序；以及在形成空洞部的工序之后，在保护膜(79)的与电容器(37)侧相反的一侧且俯视观察时与电容器(37)重叠的区域涂布含有构成所述吸收部的材料的液状体(81a)后，固化液状体(81a)，从而形成所述吸收部的工序。

Infrared detector and infrared imager

本发明涉及一种红外探测器，其包括：一红外光谱吸收体，用于吸收红外光谱并将红外光谱转化为热量；一热电元件，所述红外光谱吸收体设置在所述热电元件上，与所述热电元件接触设置；一电信号检测器，与所述热电元件电连接并串联形成一回路，用于检测所述热电元件的电学性能的变化；其中，所述红外光谱吸收体包括一碳纳米管阵列，所述碳纳米管阵列包括多个碳纳米管，该多个碳纳米管的高度基本相同，且垂直于所述热电元件的表面。本发明还涉及一种基于该红外探测器的红外成像仪。

PIR sensor unit with high sensitivity

The present invention provides a high-sensitivity PIR sensor unit. The high-sensitivity PIR sensor unit according to the present invention connects a PIR sensor unit with a differential amplifier (plus operation amplifier), wherein the PIR sensor unit is made of a first PIR sensor and a second PIR sensor that internal pyroelectric sensor body arrangement directions are perpendicular to each other to provide a structure in which object recognition information is generated to sense micro movement of an object while a noise is minimized regardless of an object movement direction, thereby increasing accuracy and precision of object recognition, obtaining stability through the increased accuracy and precision, and being effectively applied to a variety of lighting devices operating based on object sensing.

PYROELECTRIC SENSOR ELEMENT AND DEVICES FOR DETECTION OF THERMAL PHENOMENA.

Elément détecteur pyroélectrique (P1 ,P2 ...), comprenant sur un substrat (10) une couche du type sérigraphié d'un matériau céramique piézoélectrique (3) disposée entre deux couches du type sérigraphié de matériaux conducteurs constituant des électrodes (2,4), caractérisé en ce qu'entre la première couche (2) de matériau conducteur et le substrat, (10), est disposée une couche (1) du type sérigraphié thermiquement isolante, en ce que la couche de matériau conducteur supérieure (4) est en même temps une couche thermiquement absorbante, et en ce que le matériau céramique (3) piézoélectrique présente en même temps des propriétés pyroélectriques. Application: détecteurs de phénomènes thermiques

PYROELECTRIC SENSOR WITH ELECTRO-MAGNETIC SHIELDING COMPRISING A COMPOSITE MATERIAL.

L'invention concerne un capteur de motifs thermiques (100) comportant une matrice de capacités pyroélectriques. Le capteur comporte en outre un étage de blindage électromagnétique (140), électriquement conducteur, situé entre un étage (130) comprenant un matériau pyroélectrique et une surface de contact (181) du capteur. L'étage de blindage électromagnétique (140) comprend une couche de blindage (141) qui comporte des nanofils et/ou nanotubes (1411) baignant dans un milieu environnant (1412). Lesdits nanofils et/ou nanotubes (1411) présentent une conductivité thermique supérieure à celle dudit milieu environnant (1412). Un rapport entre un pas de répartition (P) des pixels de la matrice de pixels et une épaisseur (H) de la couche de blindage (141) est supérieur ou égal à 20. L'invention permet d'obtenir à la fois des transferts de chaleur rapides à travers l'étage de blindage électromagnétique, et de faibles transferts latéraux de chaleur, d'un pixel à l'autre du capteur.

Hybrid sensor

Capteur hybride La présente description concerne un pixel comprenant au moins un photo-détecteur couleur organique et au moins un détecteur pyroélectrique. Figure pour l'abrégé : Fig. 1 Hybrid sensor The present description relates to a pixel comprising at least one organic color photo-detector and at least one pyroelectric detector. Figure for the abstract: Fig. 1

PYROELECTRIC SENSOR WITH ELECTROMAGNETIC SHIELD COMPRISING A COMPOSITE MATERIAL.

L'invention concerne un capteur de motifs thermiques (100) comportant une matrice de capacités pyroélectriques. Le capteur comporte en outre un étage de blindage électromagnétique (140), électriquement conducteur, situé entre un étage (130) comprenant un matériau pyroélectrique et une surface de contact (181) du capteur. L'étage de blindage électromagnétique (140) comprend une couche de blindage (141) qui comporte des nanofils et/ou nanotubes (1411) baignant dans un milieu environnant (1412). Lesdits nanofils et/ou nanotubes (1411) présentent une conductivité thermique supérieure à celle dudit milieu environnant (1412). Un rapport entre un pas de répartition (P) des pixels de la matrice de pixels et une épaisseur (H) de la couche de blindage (141) est supérieur ou égal à 20. L'invention permet d'obtenir à la fois des transferts de chaleur rapides à travers l'étage de blindage électromagnétique, et de faibles transferts latéraux de chaleur, d'un pixel à l'autre du capteur. The invention relates to a thermal pattern sensor (100) comprising a matrix of pyroelectric capacitors. The sensor further includes an electrically conductive electromagnetic shielding stage (140) located between a stage (130) comprising a pyroelectric material and a contact surface (181) of the sensor. The electromagnetic shielding stage (140) comprises a shielding layer (141) which comprises nanowires and / or nanotubes (1411) bathed in a surrounding medium (1412). Said nanowires and / or nanotubes (1411) have a thermal conductivity greater than that of said surrounding medium (1412). A ratio between a distribution pitch (P) of the pixels of the pixel matrix and a thickness (H) of the shielding layer (141) is greater than or equal to 20. The invention makes it possible to obtain both transfers fast heat through the electromagnetic shielding stage, and low lateral heat transfer from one pixel to the other of the sensor.

METHOD FOR MAKING A LAYER STACK FOR A MATRIX THERMAL SENSOR

L'invention concerne un procédé de réalisation d'une matrice de pixels d'un capteur thermique, adapté à un adressage passif. La matrice de pixels comporte : - une couche comprenant une première série de bandes électriquement conductrices, formant des macro-électrodes de collecte de charges ; - une couche comprenant un matériau pyroélectrique ; et - une couche comprenant une seconde série de bandes électriquement conductrices, formant des bandes de chauffage. Le procédé selon l'invention comprend une étape de report l'un sur l'autre d'un premier et second empilements élémentaires (302A, 302B), le premier empilement élémentaire (302A) comprenant la première série de bandes, et le second empilement élémentaire (302B) comprenant la seconde série de bandes. L'invention permet de relâcher des contraintes de fabrication des séries de bandes. The invention relates to a method for producing a pixel array of a thermal sensor, adapted for passive addressing. The matrix of pixels comprises: a layer comprising a first series of electrically conductive strips forming macroelectrodes for collecting charges; a layer comprising a pyroelectric material; and a layer comprising a second series of electrically conductive strips forming heating strips. The method according to the invention comprises a step of carrying one another over a first and second elementary stacks (302A, 302B), the first elementary stack (302A) comprising the first series of strips, and the second stack elementary (302B) comprising the second series of bands. The invention makes it possible to relax the manufacturing constraints of the series of strips.

Pixel matrix of a thermal pattern sensor, associated sensor with serpentine heating lines

L’invention concerne une matrice de pixels d’un capteur de motif thermique comprenant plusieurs lignes et plusieurs colonnes de pixels, ladite matrice comprenant :- un élément thermique actif formé par un matériau thermosensible disposé entre une couche inférieure et une couche supérieure, la couche inférieure étant constituée d’une pluralité de premières pistes en matériau électriquement conducteur et s’étendant selon une première direction, lesdites premières pistes formant des colonnes de pixels ;- un élément chauffant, disposé sur l’élément thermique actif et formant un tracé en forme de serpentin, ledit élément chauffant étant constitué par une pluralité de deuxièmes pistes (L1, L2, L3, L4, L5, L6) en matériau électriquement conducteur et des tronçons (w1, w2, w3, w4, w5, w6) de connexion en matériau électriquement conducteur connectées aux extrémités des deuxièmes pistes (L1, L2, L3, L4, L5, L6), lesdites deuxièmes pistes (L1, L2, L3, L4, L5, L6) s’étendant dans une deuxième direction différente de la première direction et formant des lignes de pixels, les deuxièmes pistes étant connectées à l’exception des première et dernière deuxième pistes (L1, L2, L3, L4, L5, L6), par leurs extrémités respectives à une des extrémités d’une deuxième piste précédente et d’une deuxième piste suivante par l’intermédiaire dédits tronçons (w1, w2, w3, w4, w5, w6) de connexion, la première et dernière deuxième pistes ayant une extrémité libre connectée à un tronçon de connexion. Figure pour l’abrégé : FIGURE 3 The invention relates to a pixel matrix of a thermal pattern sensor comprising several rows and several columns of pixels, said matrix comprising: an active thermal element formed by a thermosensitive material arranged between a lower layer and an upper layer, the layer bottom consisting of a plurality of first tracks of electrically conductive material and extending in a first direction, said first tracks forming columns of pixels; - a heating element, arranged on the ...

METHOD FOR PRODUCING A STACK OF LAYERS FOR A MATRIX THERMAL SENSOR.

L'invention concerne un procédé de réalisation d'une matrice de pixels d'un capteur thermique, adapté à un adressage passif. La matrice de pixels comporte : - une couche comprenant une première série de bandes électriquement conductrices, formant des macro-électrodes de collecte de charges ; - une couche comprenant un matériau pyroélectrique ; et - une couche comprenant une seconde série de bandes électriquement conductrices, formant des bandes de chauffage. Le procédé selon l'invention comprend une étape de report l'un sur l'autre d'un premier et second empilements élémentaires (302A, 302B), le premier empilement élémentaire (302A) comprenant la première série de bandes, et le second empilement élémentaire (302B) comprenant la seconde série de bandes. L'invention permet de relâcher des contraintes de fabrication des séries de bandes. The invention relates to a method for producing a matrix of pixels of a thermal sensor, suitable for passive addressing. The matrix of pixels comprises: - a layer comprising a first series of electrically conductive strips, forming charge collection macro-electrodes; - a layer comprising a pyroelectric material; and - a layer comprising a second series of electrically conductive strips, forming heating strips. The method according to the invention comprises a step of transferring one onto the other a first and a second elementary stack (302A, 302B), the first elementary stack (302A) comprising the first series of strips, and the second stack element (302B) comprising the second series of bands. The invention makes it possible to relax the manufacturing constraints of the series of strips.

DUAL INTEGRATION THERMAL PATTERN CAPTURE SENSOR AND METHOD

Procédé de capture d’un motif thermique par un capteur comportant plusieurs pixels comprenant chacun un élément de mesure thermosensible, le procédé comportant, pour chaque pixel : - chauffage de l’élément de mesure ; - première lecture des charges électriques délivrées par le pixel pendant une première durée de mesure et donnant une première valeur de mesure x1 ; - deuxième lecture des charges électriques délivrées par le pixel pendant une deuxième durée de mesure et donnant une deuxième valeur de mesure x2 ; - calcul d’une différence x1 – α.x2, avec α nombre réel positif, et dans lequel plus de la moitié de la durée de chauffage est mise en œuvre pendant la première durée de mesure et moins de la moitié de la durée de chauffage est mise en œuvre pendant la deuxième durée de mesure. Figure pour l’abrégé : figure 7. Method for capturing a thermal pattern by a sensor comprising several pixels each comprising a thermosensitive measurement element, the method comprising, for each pixel: - heating of the measurement element; - first reading of the electric charges delivered by the pixel during a first measurement duration and giving a first measurement value x1; - second reading of the electric charges delivered by the pixel during a second measurement duration and giving a second measurement value x2; - calculation of a difference x1 – α.x2, with α positive real number, and in which more than half of the heating time is implemented during the first measurement time and less than half of the heating time is implemented during the second measurement duration. Figure for abstract: figure 7.

COMPACT DETECTOR OF HUMAN PRESENCE

Configurable fail-safe flame detector

A flame detector includes a beam splitter (120) to split mid-wave infrared radiation (MWIR) and long-wave infrared radiation (LWIR) into an MWIR component (122) and an LWIR component (124). An MWIR detector (130) detects the MWIR component (122) and an LWIR detector (140) detects the LWIR component (124). The flame detector analyzes the MWIR component (122) to determine the presence of a flame and analyzes the LWIR component (124) to determine whether the system is functioning properly.

DUAL INTEGRATION THERMAL PATTERN CAPTURE SENSOR AND METHOD

Procédé de capture d’un motif thermique par un capteur comportant plusieurs pixels comprenant chacun un élément de mesure thermosensible, le procédé comportant, pour chaque pixel : - chauffage de l’élément de mesure ; - première lecture des charges électriques délivrées par le pixel pendant une première durée de mesure et donnant une première valeur de mesure x1 ; - deuxième lecture des charges électriques délivrées par le pixel pendant une deuxième durée de mesure et donnant une deuxième valeur de mesure x2 ; - calcul d’une différence x1 – α.x2, avec α nombre réel positif, et dans lequel plus de la moitié de la durée de chauffage est mise en œuvre pendant la première durée de mesure et moins de la moitié de la durée de chauffage est mise en œuvre pendant la deuxième durée de mesure. Figure pour l’abrégé : figure 7. Method of capturing a thermal pattern by a sensor comprising several pixels each comprising a thermosensitive measuring element, the method comprising, for each pixel: - heating of the measuring element; - first reading of the electric charges delivered by the pixel during a first measurement period and giving a first measurement value x1; - second reading of the electric charges delivered by the pixel during a second measurement period and giving a second measurement value x2; - calculation of a difference x1 - α.x2, with α positive real number, and in which more than half of the heating time is implemented during the first measurement time and less than half of the heating time is carried out during the second measurement period. Figure for the abstract: Figure 7.

THERMAL PATTERN SENSOR WITH PYROELECTRIC CAPACITY COMPRISING A SOL-GEL MATRIX AND METAL OXIDE PARTICLES

Capteur de motif thermique comportant plusieurs pixels (102) disposés sur un substrat (104), chaque pixel (102) comprenant une capacité pyroélectrique, la capacité pyroélectrique comprenant un matériau pyroélectrique (200) disposé entre deux électrodes électriquement conductrices (108, 110), le matériau pyroélectrique (200) comprenant une matrice sol-gel (210) dans laquelle sont dispersées des premières particules (220) en un premier matériau et des deuxièmes particules (230) en un deuxième matériau, le premier matériau étant choisi parmi les oxydes de calcium, de lanthane, de tantale, de baryum, de plomb, et/ou de strontium, le deuxième matériau étant choisi parmi les oxydes de titane, d'antimoine, d'étain, de zinc, de gallium, de vanadium et/ou de manganèse. Thermal pattern sensor comprising several pixels (102) arranged on a substrate (104), each pixel (102) comprising a pyroelectric capacity, the pyroelectric capacity comprising a pyroelectric material (200) disposed between two electrically conductive electrodes (108, 110), the pyroelectric material (200) comprising a sol-gel matrix (210) in which are dispersed first particles (220) in a first material and second particles (230) in a second material, the first material being chosen from oxides of calcium, lanthanum, tantalum, barium, lead, and / or strontium, the second material being chosen from oxides of titanium, antimony, tin, zinc, gallium, vanadium and / or of manganese.

THERMAL PATTERN SENSOR WITH PYROELECTRIC CAPABILITY

Capteur de motif thermique comportant plusieurs pixels (102) disposés sur un substrat (104), chaque pixel (102) comprenant une capacité pyroélectrique, la capacité pyroélectrique comprenant une couche en matériau pyroélectrique (200) poreux, disposée entre une première électrode électriquement conductrice (108) et une seconde électrode électriquement conductrice (110), des particules (210) en un premier matériau remplissant au moins partiellement les pores de la couche en matériau pyroélectrique (200), le premier matériau étant électriquement isolant et ayant des propriétés pyroélectriques. A thermal pattern sensor having a plurality of pixels (102) disposed on a substrate (104), each pixel (102) including a pyroelectric capacitance, the pyroelectric capacitance comprising a porous pyroelectric material layer (200) disposed between a first electrically conductive electrode ( 108) and a second electrically conductive electrode (110), particles (210) of a first material at least partially filling the pores of the pyroelectric material layer (200), the first material being electrically insulating and having pyroelectric properties.

Thermal imaging device

THERMAL PATTERN SENSOR WITH PYROELECTRIC CAPACITY

Capteur de motif thermique comportant plusieurs pixels (102) disposés sur un substrat (104), chaque pixel (102) comprenant une capacité pyroélectrique, la capacité pyroélectrique comprenant une couche en matériau pyroélectrique (200) poreux, disposée entre une première électrode électriquement conductrice (108) et une seconde électrode électriquement conductrice (110), des particules (210) en un premier matériau remplissant au moins partiellement les pores de la couche en matériau pyroélectrique (200), le premier matériau étant électriquement isolant et ayant des propriétés pyroélectriques. Thermal pattern sensor comprising several pixels (102) arranged on a substrate (104), each pixel (102) comprising a pyroelectric capacity, the pyroelectric capacity comprising a layer of porous pyroelectric material (200), disposed between a first electrically conductive electrode ( 108) and a second electrically conductive electrode (110), particles (210) of a first material at least partially filling the pores of the layer of pyroelectric material (200), the first material being electrically insulating and having pyroelectric properties.

Flexible pyroelectric detector and manufacturing method thereof

本发明公开了一种柔性热释电探测器及其制作方法，涉及高精度探测技术。针对现有技术中单晶或陶瓷无法应用在柔质薄膜上的问题提出本方案。主要利用敏感单元和柔质衬底分别制作结合转印的方式，将单晶或陶瓷材料支撑的敏感单元附着于柔性衬底上。优点在于，敏感单元仅有几百纳米的厚度，大大减小热容，这使得探测响应速度非常快。解决了难以将高性能的单晶或陶瓷制备在柔性衬底上的问题。将单晶或陶瓷材料与柔性衬底相结合，一方面保留了优良的热释电性能，另一方面利用柔性衬底可以扩大探测器的视野范围与灵活性，并有望应用在人体生物医疗等柔性传感器领域。

Infrared sensor and infrared sensor array

COMPACT DETECTOR OF HUMAN PRESENCE

L'invention concerne un détecteur de présence de personne, multimodal et très compact. Le détecteur comprend sur une même puce de silicium (10) réalisée en technologie CMOS une première matrice de pixels sensibles au rayonnement infrarouge lointain, convertissant en charges électriques le rayonnement infrarouge lointain reçu, juxtaposée avec au moins une deuxième matrice de pixels sensibles à la lumière visible, convertissant en charges électriques la lumière visible reçue, et un circuit de lecture des charges engendrées dans chacune des matrices par la lumière visible ou le rayonnement infrarouge lointain, le détecteur comprenant encore, au-dessus de la puce de silicium, un élément optique (16) de focalisation du rayonnement infrarouge lointain sur la première matrice, avec un élément optique de focalisation de la lumière visible sur la deuxième matrice. The invention relates to a person presence detector, multimodal and very compact. The detector comprises on the same silicon chip (10) made in CMOS technology a first matrix of pixels sensitive to far-infrared radiation, converting the received far-infrared radiation into electric charges, juxtaposed with at least a second matrix of light-sensitive pixels. visible, converting the received visible light into electrical charges, and a circuit for reading the charges generated in each of the matrices by visible light or far-infrared radiation, the detector further comprising, on top of the silicon chip, an optical element (16) focusing of the far-infrared radiation on the first matrix, with an optical element focusing the visible light on the second matrix.

Temperature compensated thermal radiation detectors

Improvements in, or relating to, infra-red detection

A system and method for analysing a material using infra-red radiation are described, along with an infra-red detector for use with the system and the method. The system (10) comprises a rectangular housing (42) to which an elongated probe (24) is attached, and includes the following parts: a spectrometer (12), an infra-red detector (14), first and second optical fibre bundles (16, 18), first and second converging lenses (20, 22), collimating lens (26), infra-red source (28), attenuated total reflectance element (44) and chopper (54). The infra-red detector includes an array of detector elements formed on the lower surface of a layer of pyroelectric copolymer material which is stretched over a rigid silicon frame, and an array of upper electrodes exposed to the infra-red radiation to be detected.

Motion detection

A motion sensor has at least two tiers of monitored volumes that are offset from each other. Electromagnetic radiation, such as infrared light, is directed from the monitored volumes onto at least two sets of detector elements having separate outputs on a pyroelectric substrate of an infrared detector. As a warm object, such as a human or an animal, moves through the monitored volumes, the warmth from the object causes the voltage on the outputs of the infrared detector to change. The resultant waveforms are compared and if the two waveforms have a phase relationship corresponding to a critical phase angle that is based on the pitch of the monitored volumes and the offset between the tiers of monitored volumes, an animal-immune motion indication is generated.

Motion detection

A motion sensor includes an infrared detector with a first set of detector elements and a second set of detector elements. The motion sensor also includes an optical system to direct electromagnetic energy from a first set of monitored volumes spaced at a pitch in a first direction onto the first set of detector elements and to direct electromagnetic energy from a second set of monitored volumes spaced at the pitch in the first direction onto the second set of detector elements. The second set of monitored volumes have an offset from the first set of monitored volumes in the first direction.

Detection circuit for heat sensor, heat sensor device, and electronic device

A detection circuit for a heat sensor includes a charge circuit provided between a second power supply node and a detection node of a heat sensing element, and a discharge circuit provided between the detection node and a first power supply node. The discharge circuit has a discharge resistance element and a discharge transistor provided in series between the detection node and the first power supply node.

Infrared sensor and infrared sensor array

An infrared sensor includes: a package; an infrared detecting element formed on the package, the infrared detecting element including a thermal detector and an absorber formed on the thermal detector which is configured to absorb infrared light rays of a specific wavelength that are detected by conversion of the infrared light rays into heat; and a cap formed on the package to cover the infrared detecting element, the cap including: a body having front and rear surfaces, through which the infrared light rays transmit; and a shielding film, with a window formed therein, provided on at least one of the front and rear surfaces of the body, the infrared light rays being reflected by the shielding film other than a portion of the shielding film having the window, and every one of the infrared light rays passing through the window of the cap impinging on the absorber.

Motion detector

A miniature passive infrared motion detector consists of an optical system, a pyroelectric polymer film and an electronic circuit. The optical system is made of a curved Fresnel lens and an elongated wave guide having a reflective inner surface. The polymer film is also curved with the same radius as the lens and has two interdigitized electrodes on the rear surface and one uniform electrode on the front surface. The front electrode is covered with infrared absorbent material. The electronic circuit contains a differential amplifier and a threshold detector.

Motion detection

모션센서는, 서로 옵셋되는 적어도 2개의 티어의 모니터되는 볼륨들을 가진다. 적외선 광같은 전자기 복사가, 피감 볼륨들로부터 적외선 검출기의 파이로전기기판 상의 분리된 출력을 가지는 적어도 두 세트의 검츨기 엘리먼트로 보내진다. 인간이나 동물같은 온열 대상물이 피감 볼륨들을 통과해 움직임에 따라, 상기 대상물로부터의 온열이 상기 적외선 검출기의 출력 상의 전압을 변화하게 한다. 결과 파형들이 비교되고, 두 파형이 상기 피감 볼륨들의 피치와 피감 볼륨들의 티어들 사이의 상기 옵셋에 기반하는 크리티컬 위상각에 상당하는 위상관계를 가지면, 동물-면역 모션 인디케이션이 생성된다. The motion sensor has at least two tiered monitored volumes that are offset from each other. Electromagnetic radiation, such as infrared light, is sent to at least two sets of detector elements having discrete outputs on the pyroelectric substrate of the infrared detector from the inspected volumes. As a hot object such as a human being or an animal moves through the controlled volumes, the heat from the object causes the voltage on the output of the infrared detector to change. An animal-immune motion indication is generated if the resulting waveforms are compared and if the two waveforms have a phase relationship corresponding to the critical phase angle based on the offset between the pitch of the inspected volumes and the tiers of the observed volumes.

Apparatus for detecting human body and method

本发明公开了一种人体探测装置和方法，该装置包括控制器和N个红外热释电传感器，控制器包括：第一切换模块，在第一子周期T 1 内接通第一红外热释电传感器工作，第一红外热释电传感器输出第一探测信号；第二切换模块，在第二子周期T 2 内接通第二红外热释电传感器工作，第二红外热释电传感器输出第二探测信号；……第N切换模块，在第N子周期T N 内接通第N红外热释电传感器工作，第N红外热释电传感器输出第N探测信号；判断模块，判断出状态探测参数;其中，N≥2，T=T 1 + T 2 +……T N ，T为循环周期。本发明使用控制器进行电源控制，在一个时间周期内，通过不同传感器不同时间对指定区域进行探测，实现了对静止人体的监测。

Motion detector

A miniature passive infrared motion detector contains optical system, pyroelectric polymer film and an electronic circuit. Optical system is made of a curved Fresnel lens and an elongated wave guide having reflective inner surface. The polymer film is also curved with the same radius as the lens and has two interdigitized electrodes on the rear surface and one uniform electrode on the front surface. The front electrode is covered with infrared absorbent material. The electronic circuit contains a differential amplifier and a threshold network.

Thermal pattern sensor with pyroelectric capacity

Capteur de motif thermique comportant plusieurs pixels (102) disposés sur un substrat (104), chaque pixel (102) comprenant une capacité pyroélectrique, la capacité pyroélectrique comprenant :- une couche en matériau pyroélectrique (200) poreux, disposée entre une première électrode électriquement conductrice (108) et une seconde électrode électriquement conductrice (110),- des particules (210) en un premier matériau remplissant au moins partiellement les pores de la couche en matériau pyroélectrique (200), le premier matériau étant électriquement isolant et ayant des propriétés pyroélectriques, et- une couche (220) en un second matériau étant disposée entre la couche en matériau pyroélectrique (200) et la seconde électrode (110), le second matériau étant électriquement isolant et ayant des propriétés pyroélectriques. A thermal pattern sensor having a plurality of pixels (102) disposed on a substrate (104), each pixel (102) including a pyroelectric capacitance, the pyroelectric capacitance comprising: - a porous pyroelectric material layer (200) disposed between a first electrically conductor (108) and a second electrically conductive electrode (110), - particles (210) of a first material at least partially filling the pores of the pyroelectric material layer (200), the first material being electrically insulating and having pyroelectric, and a layer (220) of a second material being disposed between the pyroelectric material layer (200) and the second electrode (110), the second material being electrically insulating and having pyroelectric properties.

Detection circuit for heat sensor, heat sensor device, and electronic device

A detection circuit for a heat sensor includes a charge circuit (20) provided between a second power supply node (VDD) and a detection node (N1) of a heat sensing element (CF), a discharge circuit (30) provided between the detection node (N1) and a first power supply node (VSS), and a voltage detection circuit (50). The discharge circuit has a discharge resistance element (RA) and a discharge transistor (T2) provided in series between the detection node and the first power supply node.

Motion detector

Infrared detection circuit, sensor device, and electronic instrument

本发明提供了能以高灵敏度检测红外线的红外线检测电路、传感器装置及电子设备等。红外线检测电路包括：设置在红外线检测元件CF的一端侧的读取节点NR与储能节点NT之间并将来自红外线检测元件CF的电荷转送至储能节点NT的电荷转送用晶体管TTR、控制上述电荷转送用晶体管TTR的栅极的栅极控制电路20以及在通过上述电荷转送用晶体管TTR转送电荷时将储能节点NT设定为负电位的负电位生成电路30。

Method for producing a microsystem with pixels

Ein Verfahren zum Herstellen eines Mikrosystems (1) mit Pixel, weisend die Schritte auf: Bereitstellen eines Siliziumwafers; Herstellen einer thermischen Siliziumoxidschicht an der Oberfläche des Siliziumwafers als eine Basisschicht (5) mit einer Dicke zwischen 200 nm und 1000 nm durch Oxidation des Siliziumwafers; Herstellen einer Siliziumoxiddünnschicht unmittelbar auf der Basisschicht (5) als eine Trägerschicht (6) mit einer Dicke von 100 nm bis 700 nm durch ein thermisches Abscheideverfahren; Herstellen einer Platinschicht unmittelbar auf der Trägerschicht (6) mit einem thermischen Abscheideverfahren mit einer Dicke von 40 nm bis 200 nm, wodurch ein Zwischenprodukt aufweisend den Siliziumwafer, die Basisschicht (5), die Trägerschicht (6) und die Platinschicht hergestellt wird; Abkühlen des Zwischenprodukts auf Raumtemperatur; pixelartige Strukturierung der Platinschicht durch Abtragen von überflüssigen Bereichen der Platinschicht, wodurch auf der Trägerschicht (5) von den verbleibenden Bereichen der Platinschicht pixelförmig Bodenelektroden (8, 12) der Pixel (7, 8) ausgebildet werden; Materialabtragung an der der Basisschicht (5) abgewandten Seite des Siliziumwafers, so dass ein Rahmen (3) verbleibt und von dem Rahmen (3) eine Membran (4) gebildet von der Basisschicht (5) und der Trägerschicht (6) aufgespannt wird; Fertigstellen des Mikrosystems (1). A method for producing a microsystem (1) with pixels, comprising the steps of: providing a silicon wafer; Producing a thermal silicon oxide layer on the surface of the silicon wafer as a base layer (5) with a thickness between 200 nm and 1000 nm by oxidation of the silicon wafer; Producing a silicon oxide thin layer directly on the base layer (5) as a carrier layer (6) with a thickness of 100 nm to 700 nm by a thermal deposition process; Producing a platinum layer directly on the carrier layer (6) with a thermal deposition process with a thickness of 40 nm to 200 nm, whereby an intermediate product comprising the ...

Patent DE3919571C2

Configurable fail-safe flame detector

A flame detector includes a beam splitter to split mid-wave infrared radiation (MWIR) and long-wave infrared radiation (LWIR) into an MWIR component and an LWIR component. An MWIR detector detects the MWIR component and an LWIR detector detects the LWIR component. The flame detector analyzes the MWIR component to determine the presence of a flame and analyzes the LAIR component to determine whether the system is functioning properly.

Pyroelectric infrared sensor and infrared imaging device using it

【課題】ライトチョッパを用いずに焦電素子の温度を間欠的に変化させる。 【解決手段】焦電素子５を有する焦電型赤外線センサ１において、個々の焦電素子５に対して、その近傍に、第１，第２抵抗用電極９，１０を接続した焦電素子加熱用抵抗８を配置し、その焦電素子加熱用抵抗８にパルス電流を通電する。これにより、焦電素子５を間欠的に一定温度に近づけることができ、これを用いた赤外撮像装置においては、焦電型赤外線センサ１に対するチョッピングを行なうことなく、撮像対象温度を正確に測定することが可能になる。 【選択図】 図１

Process for manufacturing a device for detecting electromagnetic radiation with an improved encapsulation structure

L'invention porte sur un procédé de fabrication d'un dispositif de détection d'un rayonnement électromagnétique, comportant une structure d'encapsulation (20) comportant une couche d'encapsulation (21) sur laquelle repose un relief (23), et une couche de scellement (24), laquelle présente une rupture locale de continuité au niveau du relief (23). The invention relates to a method for manufacturing an electromagnetic radiation detection device, comprising an encapsulation structure (20) comprising an encapsulation layer (21) on which a relief (23) rests, and a sealing layer (24), which has a local break in continuity at the level of the relief (23).

Sensor and method for thermal pattern capture with double integration

System and method for analysing a material

Method for producing a microsystem having pixels

A Method for producing a microsystem ( 1 ) with pixels includes: producing a thermal silicon oxide layer on the surface of a silicon wafer as a base layer ( 5 ) by oxidation of the silicon wafer; producing a silicon oxide thin layer on the base layer as a carrier layer ( 6 )by thermal deposition; producing a platinum layer on the carrier layer by thermal deposition, whereby an intermediate product is produced; cooling the intermediate product to room temperature; pixel-like structuring of the platinum layer by removing surplus areas of the platinum layer, whereby bottom electrodes ( 8, 12 ) of the pixels ( 7, 8 ) are formed in pixel shape on the carrier layer in remaining areas; removing material on the side of the silicon wafer facing away from the base layer, so a frame ( 3 ) remains and a membrane ( 4 ) formed by the base layer and the carrier layer is spanned by the frame.

Method for manufacturing a microsystem with pixels

Thermal imaging device

A pyroelectric film 21 has a pattern of inter-connected electrodes 22 formed on one major surface, and a pattern of discrete electrodes 24 formed on the other major surface. Each discrete electrode 24 has an aperture 31 in which is formed a respective electrically conductive pad 23. The film 21 is supported by pillars 26 connected to the pads 23, the pillars also providing a path for electrical signals between the pads 23 and a signal processing means 28. Each discrete electrode 24 is connected to a respective pad 23 by a respective strip of electrically conductive material.

Pyroelectric infrared detector.

METHOD FOR MANUFACTURING AN ELECTROMAGNETIC RADIATION DETECTION DEVICE WITH IMPROVED ENCAPSULATION STRUCTURE

L'invention porte sur un procédé de fabrication d'un dispositif de détection d'un rayonnement électromagnétique, comportant une structure d'encapsulation (20) comportant une couche d'encapsulation (21) sur laquelle repose un relief (23), et une couche de scellement (24), laquelle présente une rupture locale de continuité au niveau du relief (23). The invention relates to a method for manufacturing an electromagnetic radiation detection device, comprising an encapsulation structure (20) comprising an encapsulation layer (21) on which a relief (23) rests, and a sealing layer (24), which has a local break in continuity at the level of the relief (23).

Manufacture of electrical transducer devices, particularly infrared detector arrays

An infrared detector array or other electrical transducer device comprising an electrically-active film (10) of polymer material is manufactured with a pattern of electrodes (11) embedded at one face of the film (10). The electrodes (11) are formed on a support (4,5) as a photolithographically defined pattern of deposited material. These electrodes (11) are then transferred to the film (10) by depositing the film material on the support (4,5) and over the electrodes (11) and removing the support (4,5) at least at the area of the electrodes (11). The polymer material of the film (10) bonds well to the electrodes (11). In this manner, fine-geometry patterns of thin electrodes (11) can be formed embedded in the face of the film (10) and having reproduceable electrode characteristics for charge detection at the film faces in piezoelectric, pyroelectric and ferroelectric devices. The bulk (5) of the support may be of glass dissolvable in HF, and it may have a conductive surface layer (4) which protects the film against the and connects the electrodes (11) together when applying an electric field across the film (10) to pole the polymer material, e.g. for a pyroelectric infrared detector.

Thermal-radiation detection systems and optical choppers

A thermal-radiation detection system comprises infrared detector elements arranged in rows and columns in a 2-dimensional array ABCD. A rotatable optical chopper 20 in front of the array ABCD periodically chops the transmission of thermal radiation to the detector elements. In accordance with the invention the segments 21 and 22 of the chopper have non-radial leading and trailing edges 23 and 25 so proportioned in relation to the array ABCD that, as the rotating segments 21 and 22 pass in front of the array, successive portions of each edge 23 and 25 become substantially aligned with a plurality (e.g. 30% or more) of detector elements in each successive row (e.g. AB or CD). A symmetrical design is formed with these edges 23 and 25 as arcs of circles which are centred at intervals 01 to 08 around the circumference of a primary circle centred on the axis of rotation 0 of the chopper 20. The circles can be so arranged as to have substantially the same alignment errors with the first row AB as with the last row CD, and phase errors between the chopping of radiation and the electronic sampling of the detector elements in the rows can be small. <IMAGE>

THERMAL PATTERN SENSOR COMPRISING A HIGH PYROELECTRIC PORTION WITH HIGH THERMAL CONDUCTIVITY

Capteur (100) de motif thermique comportant plusieurs pixels (102) comprenant chacun une capacité pyroélectrique formée par un empilement comprenant : - une électrode inférieure (106) ; - une portion pyroélectrique inférieure (110) disposée sur l'électrode inférieure et comprenant du PVDF et/ou un copolymère de PVDF ; - une portion pyroélectrique supérieure (112) disposée sur la portion pyroélectrique inférieure et comportant un composé formé de PVDF et/ou d'un copolymère de PVDF, et de nanoparticules et/ou de microparticules d'un matériau pyroélectrique de structure cristalline de type pérovskite et/ou de ZnO et/ou de PVDF et/ou d'un copolymère de PVDF ; - un élément chauffant (114) comprenant une portion de matériau électriquement conducteur disposée entre les portions pyroélectriques telle qu'une ou plusieurs parties de la portion pyroélectrique inférieure soient directement en contact contre la portion pyroélectrique supérieure ; - une électrode supérieure (116) disposée sur la portion pyroélectrique supérieure. A thermal pattern sensor (100) having a plurality of pixels (102) each comprising a pyroelectric capacitance formed by a stack comprising: - a lower electrode (106); a lower pyroelectric portion (110) disposed on the lower electrode and comprising PVDF and / or a PVDF copolymer; an upper pyroelectric portion (112) disposed on the lower pyroelectric portion and comprising a compound formed of PVDF and / or a copolymer of PVDF, and nanoparticles and / or microparticles of a pyroelectric material of crystalline structure of the perovskite type and / or ZnO and / or PVDF and / or a PVDF copolymer; a heating element (114) comprising a portion of electrically conductive material disposed between the pyroelectric portions such that one or more portions of the lower pyroelectric portion are directly in contact with the upper pyroelectric portion; an upper electrode (116) disposed on the upper pyroelectric portion.

Thermal radiation detectors with temperature compensation.

Manufacturing a micro-system by deep reactive-ion etching, comprises e.g.: providing an etching tool for deep reactive-ion etching, carrying out multiple repeating-processing intervals of the deep ion etching including an etching step

Manufacturing a micro-system (1) by deep reactive-ion etching, comprises e.g.: providing an etching tool for deep reactive-ion etching, which includes a gas supply unit for supplying a process gas into an etching chamber of the etching system and a vacuum generating unit for discharging gas from the etching chamber; providing a workpiece blank into the etching chamber, where the workpiece blank includes a structuring layer (2) and a support layer (6), which lie against one another, where the material of the structuring layer has a higher etching rate than the material of the support layer. Manufacturing a micro-system (1) by deep reactive-ion etching, comprises: providing an etching tool for deep reactive-ion etching, which includes a gas supply unit for supplying a process gas, preferably a carrier gas and a reactive gas into an etching chamber of the etching system and a vacuum generating unit for discharging gas from the etching chamber; providing a workpiece blank into the etching chamber, where the workpiece blank includes a structuring layer (2) and a support layer (6), which lie against one another, where the material of the structuring layer has a higher etching rate than the material of the support layer such that the a selectivity constituted of a ratio of the etching rate of the material of the support layer and the etching rate of the material of structuring layer is smaller than other one; carrying out multiple repeating-processing intervals (16) of the deep ion etching, which respectively includes an etching step (18) including removing the material of the structuring layer at a predetermined position from the side of the structuring layer by etching, which faces away from the support layer for the support layer forming a cavity in the structuring layer, where the etching system is operated such that a constant mass flow of process gas is guided into the etching chamber across processing intervals using the gas supply device, and the vacuum generating ...

Pyroelectric presence identification system

A pyroelectric presence identification system includes focal plane array and a processor coupled to the focal plane array. The focal plane array includes a first image sensor and a plurality of second image sensors configured to convert radiant energy into an electrical signal. The processor is configured to control the focal plane array in a sleep mode wherein the first image sensor is utilized to detect gross motion of at least one presence and the plurality of second image sensors are de-energized.

Multispectral photodetector array

A photodetector array comprising at least one first sensor and at least one second sensor on the horizontal surface of the array substrate. The at least one first sensor is sensitive to radiation in a first wavelength range which comprises long-wavelength infrared wavelengths, and the at least one second sensor is sensitive to radiation in a second wavelength range which comprises wavelengths shorter than long-wavelength infrared. The array substrate comprises a vertical cavity on its horizontal surface, and the first sensor comprises a layer of pyroelectric material ( 65 ) which extends horizontally across the vertical cavity in the first area. A first part of a layer of two-dimensional layered material at least partly covers the layer of pyroelectric material ( 65 ), and a second part of the layer of two-dimensional layered material at least partly covers the foundation of the second sensor.

Bevægelsesdetektion

Vorrichtung zur thermischen Abbildung.

Motion detection

Подавление шума датчика

传感器噪声抑制

一种无源红外传感器系统，包括：供应直流（DC）电压的DC电压源；被供应以DC电压的无源红外传感器，所述无源红外传感器包括至少一个传感器元件；供应交流（AC）电压的AC电压源，所述AC电压源被布置成诱发交流电流经所述至少一个传感器元件；放大器，被布置成对从无源红外传感器输出的输出信号进行放大以生成放大的输出信号；以及滤波器，被布置成用于对放大的输出信号进行滤波以提供无源红外传感器系统的输出，其中滤波器被配置成对AC电压的频率进滤波。

用于石墨烯近红外探测器的非均匀性校正电路和校正方法

本发明公开了一种用于石墨烯近红外探测器的非均匀性校正电路，包括DAC偏置模块和像元校正模块，所述DAC偏置模块用于给像元校正模块提供偏置电压，所述像元校正模块根据提供的偏置电压，对输出积分信号电压进行校正；本发明还公开了一种用于石墨烯近红外探测器的非均匀性校正方法，根据石墨烯近红外探测器输出图像情况，确定图像中所需要校正的像元和像元的校正码值；DAC偏置电路根据对应的校正码产生校正偏置电压，对积分单元的输入信号电流进行修正，进而对输出积分信号电压进行校正。本发明通过施加不同的偏置电压对特定像元采取偏置补偿的方式，实现了对石墨烯探测器阵列中特定像元的非均匀性校正，易于片内集成，成本低。

制造检测具有改进的封装结构的电磁辐射的装置的方法

本发明涉及一种制造用于检测电磁辐射的装置的方法，该装置包括：封装结构(20)和密封层(24)，该封装结构包括其上放置有凸起(23)的封装层(21)，该密封层在凸起(23)处在连续体中具有局部断裂。

Sensor noise suppression

A passive infrared sensor system comprising: a direct current (DC) voltage source supplying a DC voltage; a passive infrared sensor supplied with the DC voltage, the passive infrared sensor comprising at least one sensor element; an alternating current (AC) voltage source supplying an AC voltage, the AC voltage source arranged to induce an alternating current to flow through said at least one sensor element; an amplifier arranged to amplify an output signal that is output from the passive infrared sensor to generate an amplified output signal; and a filter arranged to filter the amplified output signal to provide an output of the passive infrared sensor system, wherein the filter is configured to filter a frequency of the AC voltage.

人体探测装置和方法

本发明公开了一种人体探测装置和方法，该装置包括控制器和N个红外热释电传感器，控制器包括：第一切换模块，在第一子周期T 1 内接通第一红外热释电传感器工作，第一红外热释电传感器输出第一探测信号；第二切换模块，在第二子周期T 2 内接通第二红外热释电传感器工作，第二红外热释电传感器输出第二探测信号；……第N切换模块，在第N子周期T N 内接通第N红外热释电传感器工作，第N红外热释电传感器输出第N探测信号；判断模块，判断出状态探测参数;其中，N≥2，T=T 1 +T 2 +……T N ，T为循环周期。本发明使用控制器进行电源控制，在一个时间周期内，通过不同传感器不同时间对指定区域进行探测，实现了对静止人体的监测。

Thermal electromagnetic wave detection element, method for producing thermal electromagnetic wave detection element, thermal electromagnetic wave detection device, and electronic apparatus

To provide a thermal electromagnetic wave detection element, a method for producing a thermal electromagnetic wave detection element, a thermal electromagnetic wave detection device, and an electrical apparatus, which are highly reliable and make it possible to prevent damage or deformation in the vicinity of the corner parts of a void, a thermal electromagnetic wave detection element includes: a semiconductor substrate; a support member provided on the semiconductor substrate; a detection unit that is provided on the support member and is able to extract from a pair of electrodes an electrical signal corresponding to a received amount of electromagnetic waves; and a pair of electrically conductive vias that perforate through the semiconductor substrate and are electrically connected to the pair of electrodes, a void that opens on the support member side being provided between the pair of vias of the semiconductor substrate.

Pyroelectric presence identification system

A pyroelectric presence identification system includes focal plane array and a processor coupled to the focal plane array. The focal plane array includes a first image sensor and a plurality of second image sensors configured to convert radiant energy into an electrical signal. The processor is configured to control the focal plane array in a sleep mode wherein the first image sensor is utilized to detect gross motion of at least one presence and the plurality of second image sensors are de-energized.

传感器器件以及电子设备

本发明提供传感器器件以及电子设备，在各个像素内不具备放大电路，而且能够在光的连续照射中实施高灵敏度地读出多个像素的输出的动作。传感器器件(100)具有：多个行线(WL)；多个列线(DL)；多个复位线(RL)；与多个行线、多个列线和多个复位线中的各1根连接的多个像素电路(1)；以及放大电路(122)。多个像素电路(1)分别包含：热电元件(2)；复位开关(5)，其由复位线驱动，使热电元件的电荷放电；以及像素选择开关(4)，其由行线驱动，向列线输出基于因放电引起的热电元件的电荷变化的信号。通过放大电路(122)对基于因放电引起的热电元件的电荷变化的信号进行放大。

传感器器件以及电子设备

本发明提供传感器器件以及电子设备，在各个像素内不具备放大电路，而且能够在光的连续照射中实施高灵敏度地读出多个像素的输出的动作。传感器器件(100)具有：多个行线(WL)；多个列线(DL)；多个复位线(RL)；与多个行线、多个列线和多个复位线中的各1根连接的多个像素电路(1)；以及放大电路(122)。多个像素电路(1)分别包含：热电元件(2)；复位开关(5)，其由复位线驱动，使热电元件的电荷放电；以及像素选择开关(4)，其由行线驱动，向列线输出基于因放电引起的热电元件的电荷变化的信号。通过放大电路(122)对基于因放电引起的热电元件的电荷变化的信号进行放大。

Mikromechanische sensorvorrichtung und entsprechendes herstellungsverfahren

Die Erfindung schafft eine mikromechanische Sensorvorrichtung und ein entsprechendes Herstellungsverfahren. Die mikromechanische Sensorvorrichtung umfasst ein Substrat (1) mit einer Vorderseite (VS) und einer Rückseite (RS), wobei auf der Vorderseite (V) des Substrats (1) eine Mehrzahl von Säulen (S1, S2) gebildet ist. Auf jeder Säule ist ein jeweiliges Sensorelement (P1, P2) gebildet, das eine größere laterale Ausdehnung als die zugehörige Säule (S1, S2) aufweist, wobei seitlich der Säulen (S1, S2) unterhalb der Sensorelemente (P1, P2) ein Hohlraum (H) vorgesehen ist. Die Sensorelemente (P1, P2) sind durch jeweilige Trenngräben (G1, G2) lateral voneinander beanstandet und über die jeweilige zugehörige Säule (S1, S2) an einem jeweiligen zugehörigen Rückseitenkontakt (V6, E1; V7, E1) elektrisch kontaktiert.

Matriz de fotodetectores multiespectral

Una matriz de fotodetectores que comprende al menos un primer sensor y al menos un segundo sensor en la superficie horizontal del sustrato de la matriz. El al menos un primer sensor es sensible a la radiación en un primer rango de longitudes de onda que comprende longitudes de onda infrarrojas de longitud de onda larga, y el al menos un segundo sensor es sensible a la radiación en un segundo rango de longitudes de onda que comprende longitudes de onda más cortas que el infrarrojo de longitud de onda larga. El sustrato de la matriz comprende una cavidad vertical en su superficie horizontal, y el primer sensor comprende una capa de material piroeléctrico (65) que se extiende horizontalmente a través de la cavidad vertical en la primera área. Una primera parte de una capa de material estratificado bidimensional recubre al menos parcialmente la capa de material piroeléctrico (65), (Traducción automática con Google Translate, sin valor legal)

초전형 적외선 센서를 이용한 인체감지장치

본 발명은 초전형 적외선 센서는 듀얼 엘리먼트 타입(dual element type) 또는 쿼드 엘리먼트 타입(quad element type)으로 이루어지며, 초전형 적외선 센서의 감지영역 내 인체의 위치에 따라 인체에서 발산되는 적외선이 경사면 및 중앙 반사판에 반사되어 초전형 적외선 센서에 설치된 개별 엘리먼트에 집광되도록 하고 개폐판에 의한 적외선 단속을 통해 초전형 적외선 센서의 적외선 수광면에 입사되는 적외선을 단속하여, 미약하게 움직이거나 정지되어 있는 인체를 실시간으로 지속 감지하기 위한 감지 초전형 적외선 센서를 이용한 인체감지장치에 관한 것으로, 일측 내부에 공간부(110)가 구비되고, 일측면에 상기 공간부(110)와 연통되는 통공(120)이 구비된 본체 케이스(100); 상기 본체 케이스(100)의 타측 하부에 구비되어, 적외선 입사면에 복수개의 엘리먼트가 설치된 초전형 적외선 센서(300); 상기 초전형 적외선 센서(300)를 상부에 내삽시키며, 하부는 등갓 형태의 경사면(440)이 반사면으로 이루어져 하부의 하측이 외부와 개방되고 하부의 상측은 초전형 적외선 센서(300)의 적외선 입사면에 개방되는 집광 케이스 몸체(410)와, 상부에 이송공(461)이 관통되고 양면이 반사면으로 이루어지며, 상기 복수개의 엘리먼트를 양분하도록 수직하게 양단이 상기 경사면(440)과 접촉하면서 서있는 중앙 반사판(460)으로 구성된 집광 케이스(400); 외부에서 상기 통공(120)을 통해 상기 공간부(110) 내로 연장된 진동축(623)에 관통된 이송자(625)를 왕복운동시키기 위한 선형모터(620); 상기 이송자(625)의 왕복운동에 연동되어, 상기 이송공(461)을 통해 상기 복수개의 엘리먼트의 적외선 입사면을 개폐 단속하는 개폐판(610); 및 상기 초전형 적외선 센서(300)로부터 제공되는 인체감지신호에 따라 상기 선형모터(620)의 구동을 제어하는 제어부(800); 를 포함하는 것을 특징으로 한다. 이와 같은 본 발명은 듀얼 엘리먼트 타입 또는 쿼드 엘리먼트 타입의 초전형 적외선 센서(300)에 경사면(440) 및 중앙 반사판(460)에 의해 입사되는 적외선을 집광되도록 하여 인체의 위치에 따라 인체로부터 발산되는 적외선이 초전형 적외선 센서(300)에 설치된 개별적인 엘리먼트에 집광되도록 한다. 이때, 개폐판(610)을 이용하여 각 엘리먼트의 수광면을 차폐-개방시 초전형 적외선 센서(300)에서 각각 다른 전기적인 출력 신호의 특성이 나오게 되고, 이 출력 신호를 제어부(800)를 통해 분석함으로서 미약하게 움직이거나 정지되어 있는 인체를 실시간으로 감지하기 때문에, 인체를 신속하고 정확하게 감지할 수 있는 효과가 있다.

Human-machine interface with graphene-pyroelectric materials

A surface covering device and method thereof

The present invention discloses a surface covering device comprising a tile, a base assembly, a plurality of tile connectors located between the tile and the base assembly for releasably connecting the tile to the base assembly, at least one capacitive sensor located on the tile, wherein the capacitive sensor is configured to detect changes in capacitive data indicative of the presence of activity within a predetermined range of the capacitive sensor; an infrared sensor configured to receive infrared data; a capacitive controller communicatively coupled to an infrared controller configured for receiving the capacitive data and the infrared data from the capacitive sensor and infrared sensor respectively; a mesh controller configured to receive the capacitive data and the infrared data from the capacitive controller and infrared controller respectively, and a wireless transceiver in data communication with the capacitive controller and the infrared controller, wherein the wireless transceiver is configured to transmit the capacitive data and the infrared data to a data analysis server, wherein the data analysis server is configured to determine an event based on the capacitive data and the infrared data.

赤外線検出素子及び電子機器

【課題】接着剤を用いて基板に接着されても中空構造の空間に接着膜が形成され難い構造の赤外線検出素子を提供する。 【解決手段】第１表面２ａと第１表面２ａの反対側の第１裏面２ｂとを有し、第１裏面２ｂに第１凹部４を有し第１表面２ａの第１凹部４と対向する場所に赤外線を検出する赤外線検出部３を有する第１基板２と、第２表面８ａと第２表面８ａの反対側の第２裏面８ｂとを有し、第１凹部４と向かい合う場所の第２裏面８ｂに第２凹部９を有する第２基板８と、第１裏面２ｂと第２裏面８ｂとを接着する接着膜７と、を有し、第２表面８ａに接着剤を付着させて用いられ、第２凹部９が第２裏面８ｂと交差する第２外周部９ｂは第１凹部４が第１裏面２ｂと交差する第１外周部４ｂを囲んでいる。 【選択図】図１

赤外線センサ及びその駆動方法

　赤外線センサは、行列状に配置された複数の参照画素単位２と、各参照画素単位２と対応して設けられた直列容量素子１４とを備えている。参照画素単位２は、出力線３０と、出力線３０と接地との間にスイッチ素子１７を介して接続された参照容量素子１３と、出力線３０と接地との間にスイッチ素子１６を介して接続された複数の赤外線検出容量素子１２とを有している。直列容量素子１４は、出力線３０と接続されている。

Pyroelektrische Sensorvorrichtung, Verfahren zum Herstellen derselben und Verfahren zum pyroelektrischen Erfassen von Wärmestrahlung

Es wird eine pyroelektrische Sensorvorrichtung (100) vorgeschlagen. Die pyroelektrische Sensorvorrichtung (100) weist eine pyroelektrische Erfassungseinrichtung (110) zum Erfassen von Wärmestrahlung auf. Auch weist die pyroelektrische Sensorvorrichtung (100) eine thermoelektrische Temperiereinrichtung (120) auf. Die thermoelektrische Temperiereinrichtung (120) ist thermisch mit der pyroelektrischen Erfassungseinrichtung (110) gekoppelt. Auch ist die thermoelektrische Temperiereinrichtung (120) ansteuerbar, um eine thermische Wechselbeanspruchung der pyroelektrischen Erfassungseinrichtung (110) zu bewirken.

红外线传感器及其驱动方法

红外线传感器包括：被配置成矩阵状的多个参考像素单元2、对应于各个参考像素单元2而设的串联电容元件14。参考像素单元2中包括：输出线30、经由控制开关17连接在输出线30和接地线之间的参考电容元件13、以及经由控制开关16连接在输出线30和接地线之间的多个红外线检测电容元件12。串联电容元件14与输出线30相连接。

Capteur hybride

Capteur hybride La présente description concerne un pixel comprenant au moins un photo-détecteur couleur organique et au moins un détecteur pyroélectrique. Figure pour l'abrégé : Fig. 1

Human body detecting device

The present disclosure provides a human body detecting device capable of increasing the sensitivity. Multiple first infrared ray reception paths are defined by any one of multiple lenses and multiple detecting units. Multiple second infrared ray reception paths are defined by one lens adjacent to the any one of multiple lenses and multiple detecting units. Lens array is configured so that one of multiple first infrared ray reception paths and one of multiple second infrared ray reception paths overlap with each other. The front-side electrodes of detecting units respectively corresponding to one first infrared ray reception path and one second infrared ray reception path of the multiple detecting units have the same polarity.

그래핀-초전성 물질을 이용한 인간-기계 인터페이스

본 발명의 일 형태(version)는, 초전효과에 기초하여 컴퓨터 또는 다른 형태의 통신기기를 제어하거나 그것과 접속하기 위한 장치를 포함하며, 광학적으로 투명하며 적외선을 투과시키는 적어도 하나의 그래핀 전극을 포함한다.