METHOD AND SYSTEM FOR COHERENCE REDUCTION

An optical system having coherence reduction capabilities includes a light source for generating a first light pulse; an asymmetrical pulse stretcher arranged to receive the first light pulse and to generate multiple light pulses, during a pulse sequence generation period, wherein the asymmetrical pulse stretcher includes multiple optical components which define a loop and a condenser lens is located between the asymmetrical pulse stretcher and an object, for directing the multiple pulses toward an area on the object At least two optical components of the multiple optical components are positioned in an almost symmetrical manner in relation to each other and introduce a coherence-related difference between at least two pulses of the multiple pulses. The pulse sequence generation period does not exceed a response period of a detector. 1. A method for coherence reduction , the method comprising:receiving, by an asymmetrical pulse stretcher, a first light pulse; wherein the asymmetrical pulse stretcher comprises multiple optical components which define a loop; wherein at least two optical components of the multiple optical components are positioned in an almost symmetrical manner in relation to each other;generating a sequence of multiple pulses, by the pulse stretcher, during a pulse sequence generation period and in response to the first light pulse;wherein the at least two optical components introduce a coherence-related difference between at least two pulses of the multiple pulses;wherein the pulse sequence generation period does not exceed a response period of a detector;illuminating an area of an object by the multiple pulses; anddetecting light from the area by the detector.2. The method according to comprising directing the multiple pulses towards substantially the same area of the object.3. The method according to wherein the coherence-related difference is a difference between an incidence angle of the at least two pulses.4. The method according to wherein ...

ELASTIC LAMINATE WITH MULTIPLE STRETCH ZONES AND METHOD FOR MAKING SAME

A method for manufacturing an elastic laminate includes conveying an elastic laminate precursor material comprising an elastic film layer and a nonwoven layer in a machine direction to an activation station, activating, at the activation station, a first zone of the elastic laminate precursor material to create a first stretch zone of the elastic laminate, and activating a second zone of the elastic laminate precursor material to create a second stretch zone of the elastic laminate having at least one stretch property different from the first stretch zone of the elastic laminate. 1. A method for manufacturing an elastic laminate , the method comprising:conveying an elastic laminate precursor material comprising an elastic film layer and a nonwoven layer in a machine direction to an activation station;activating, at the activation station, a first zone of the elastic laminate precursor material to create a first stretch zone of the elastic laminate; andactivating a second zone of the elastic laminate precursor material to create a second stretch zone of the elastic laminate having at least one stretch property different from the first stretch zone of the elastic laminate.2. The method according to claim 1 , wherein the at least one stretch property is selected from the group consisting of: extensibility claim 1 , modulus of elasticity claim 1 , and permanent set.3. The method according to claim 2 , wherein the second stretch zone has a level of extensibility between about 10% and about 90% of a level of extensibility of the first stretch zone.4. The method according to claim 3 , wherein the level of extensibility of the second stretch zone is between about 20% and about 80% of the level of extensibility of the first stretch zone.5. The method according to claim 4 , wherein the level of extensibility of the second stretch zone is between about 30% and about 70% of the level of extensibility of the first stretch zone.6. The method according to claim 1 , wherein the ...

BREATHABLE ELASTIC LAMINATES FOR WEARABLE ARTICLES AND METHODS FOR MAKING SAME

A method for manufacturing a breathable elastic laminate includes aperturing an elastic film to create an apertured elastic film with a pattern. The pattern includes a plurality of first lanes extending in a machine direction, each of the plurality of first lanes having a plurality of apertures, and a plurality of second lanes extending in the machine direction. Each of the plurality of second lanes is devoid of apertures and has a width of at least twice the width of one of the apertures in the first lanes. The plurality of second lanes alternate with the plurality of first lanes in a cross direction substantially orthogonal to the machine direction. The method includes stretching the apertured elastic film in the machine direction to activate the apertured elastic film and bonding a first side of the activated apertured elastic film to a nonwoven web to create a breathable elastic laminate. 1. A method for manufacturing a breathable elastic laminate , the method comprising: a plurality of first lanes extending in a machine direction, each of the plurality of first lanes comprising a plurality of apertures, and', 'a plurality of second lanes extending in the machine direction, each of the plurality of second lanes devoid of apertures and having a width greater than twice the width of one of the plurality of apertures in the first lanes,', 'the plurality of second lanes alternating with the plurality of first lanes in a cross direction substantially orthogonal to the machine direction;, 'aperturing an elastic film to create an apertured elastic film with a pattern, the pattern comprising'}stretching the apertured elastic film in the machine direction to activate the apertured elastic film in the machine direction; andbonding a first side of the activated apertured elastic film with the activated apertured elastic film under tension to a nonwoven web to create a breathable elastic laminate.2. The method according to claim 1 , further comprising relaxing the activated ...

ON-TOOL WAVEFRONT ABERRATIONS MEASUREMENT SYSTEM AND METHOD

An on-tool measurement system and a method for measuring optical system's wavefront (WF) aberrations are disclosed. The on-tool measurement system includes an optical setup comprising a moveable deflection element further comprising a highly transparent region. The deflection element includes a first surface configured to project a first image of at least one object onto a sensor and the highly transparent region includes a second surface configured to project a second image of the at least one object onto the sensor. The on-tool measurement system includes a sensor configured to capture the first and second images and a controller configured to measure differential displacements between the first and second images at each deflection element position and to calculate the optical setup local WF gradients that depend on the measured differential displacements. 1. An on-tool measurement system for measuring wavefront (WF) aberrations of an optical setup , the system comprising:an optical setup comprising a moveable deflection element further comprising a highly transparent region, the deflection element comprises a first surface configured to project a first image of at least one object onto a sensor and the highly transparent region comprises a second surface configured to project a second image of the at least one object onto the sensor;a sensor configured to capture the first and second images of the at least one object; anda controller configured to measure differential displacements between the first and second images at each moveable deflection element position, and to calculate local WF gradients that depend on the differential displacements.2. The system according to claim 1 , wherein the moveable deflection element is configured to be shifted by a controller from the optical path after the WF aberrations are measured.3. The system according to claim 1 , wherein the moveable deflection element comprising an attenuation layer configured to dim the intensity of ...

Near-field sensor height control

A method for determining a distance between a near field sensor and a substrate, the method may include creating a diffraction pattern by illuminating, with a beam of coherent radiation having a wavelength that does not exceed twenty nanometers, a slit that is formed between the substrate and an opaque element; detecting, by a detector, multiple portions of the diffraction pattern and generating detection signals indicative of the multiple portions of the diffraction pattern; processing the detection signals to determine a height of the slit; and determining the distance between the near field sensor and the substrate based upon (a) the height of the slit, and (b) a relationship between the height of the slit and a location of the near field sensor.

Breathable elastic laminates for wearable articles and methods for making same

A method for manufacturing a breathable elastic laminate includes aperturing an elastic film to create an apertured elastic film with a pattern. The pattern includes a plurality of first lanes extending in a machine direction, each of the plurality of first lanes having a plurality of apertures, and a plurality of second lanes extending in the machine direction. Each of the plurality of second lanes is devoid of apertures and has a width of at least twice the width of one of the apertures in the first lanes. The plurality of second lanes alternate with the plurality of first lanes in a cross direction substantially orthogonal to the machine direction. The method includes stretching the apertured elastic film in the machine direction to activate the apertured elastic film and bonding a first side of the activated apertured elastic film to a nonwoven web to create a breathable elastic laminate.

Breathable elastic laminates for wearable articles and methods for making same

Laminados elásticos respiráveis para artigos vestíveis e métodos para fabricar os mesmos

LAMINADOS ELÁSTICOS RESPIRÁVEIS PARA ARTIGOS VESTÍVEIS E MÉTODOS PARA FABRICAR OS MESMOS. Um método para fabricar um laminado elástico respirável inclui a perfuração de uma película elástica para criar uma película elástica com abertura com um padrão. O padrão inclui uma pluralidade de primeiras pistas estendendo-se na direção da máquina, em que cada uma da pluralidade de primeiras pistas tem uma pluralidade de aberturas e uma pluralidade de segundas pistas estendendo-se na direção da máquina. Cada uma da pluralidade de segundas pistas é desprovida de aberturas e tem uma largura de pelo menos duas vezes a largura de uma das aberturas nas primeiras pistas. A pluralidade de segundas pistas alterna com a pluralidade de primeiras pistas em uma direção transversal substancialmente ortogonal à direção da máquina. O método inclui estirar o filme elástico com abertura na direção da máquina para ativar o filme elástico com abertura e ligar um primeiro lado do filme elástico com abertura ativado a uma manta não tecida para criar um laminado elástico respirável.

System and method for evaluating error sources associated with a mask

System and method for evaluating error sources associated with a mask

Evaluating error sources associated with a mask involves: (i) receiving data representative of multiple images of the mask that were obtained at different exposure conditions; (ii) calculating, for multiple sub-frames of each image of the mask, values of a function of intensities of pixels of each sub-frame to provide multiple calculated values; and (iii) detecting error sources in response to calculated values and in response to sensitivities of the function to each error source.

マスクに関連したエラー源を評価するシステム及び方法

【課題】 ホトリソグラフィ・マスクに関連したエラー源を評価するシステム及び方法を提供する。 【解決手段】 マスクに関連したエラー源の評価は、（ｉ）異なる露光条件で得られたマスクの複数の画像を表すデータを受け取り、（ii）マスクの各画像の複数のサブフレームに対し、各サブフレームのピクセルの強度の関数の値を計算して、複数の計算値を与え、（iii）それらの計算値に応答し且つ各エラー源に対する関数の感受性に応答してエラー源を検出する、ことを含む。 【選択図】 図１

Laminado elastico con multiples zonas de estiramiento y metodo para la manufactura del mismo.

Un método para la manufactura de un laminado elástico incluye transportar un material precursor del laminado elástico que comprende una capa de película elástica y una capa no tejida en dirección de la máquina a una estación de activación, activar, en la estación de activación, una primera zona del material precursor del laminado elástico para crear una primera zona de estiramiento del laminado elástico y activar una segunda zona del material precursor del laminado elástico para crear una segunda zona de estiramiento del laminado elástico que tiene por lo menos una propiedad de estiramiento diferente de la primera zona de estiramiento del laminado elástico.

Laminados elásticos respiráveis para artigos vestíveis e métodos para fabricar os mesmos

LAMINADOS ELÁSTICOS RESPIRÁVEIS PARA ARTIGOS VESTÍVEIS E MÉTODOS PARA FABRICAR OS MESMOS. Um método para fabricar um laminado elástico respirável inclui a perfuração de uma película elástica para criar uma película elástica com abertura com um padrão. O padrão inclui uma pluralidade de primeiras pistas estendendo-se na direção da máquina, em que cada uma da pluralidade de primeiras pistas tem uma pluralidade de aberturas e uma pluralidade de segundas pistas estendendo-se na direção da máquina. Cada uma da pluralidade de segundas pistas é desprovida de aberturas e tem uma largura de pelo menos duas vezes a largura de uma das aberturas nas primeiras pistas. A pluralidade de segundas pistas alterna com a pluralidade de primeiras pistas em uma direção transversal substancialmente ortogonal à direção da máquina. O método inclui estirar o filme elástico com abertura na direção da máquina para ativar o filme elástico com abertura e ligar um primeiro lado do filme elástico com abertura ativado a uma manta não tecida para criar um laminado elástico respirável.

On-tool wavefront aberrations measurement system and method

An on-tool measurement system and a method for measuring optical system's wavefront (WF) aberrations are disclosed. The on-tool measurement system includes an optical setup comprising a moveable deflection element further comprising a highly transparent region. The deflection element includes a first surface configured to project a first image of at least one object onto a sensor and the highly transparent region includes a second surface configured to project a second image of the at least one object onto the sensor. The on-tool measurement system includes a sensor configured to capture the first and second images and a controller configured to measure differential displacements between the first and second images at each deflection element position and to calculate the optical setup local WF gradients that depend on the measured differential displacements.