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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 32. Отображено 32.
21-03-2012 дата публикации

Method for making flexible circuit board with break difference structure

Номер: CN0101207977B
Принадлежит:

The invention relates to a method for manufacturing a flexible circuit board with a broken difference structure. The method comprises the following steps: a cross section is cut on first base material , and a first opening is dug on a first adhesive coating beforehand; then the first base material , the first adhesive coating and second base material are overlapped and pressed after being aligned; a second cross section is formed by cutting after the circuit manufacturing; after being cut, the area between the first cross section and the second cross section of the first base material scaled off to form the flexible circuit board provided with the broken difference structure. Compared with the prior art, the circuit board has no broken difference structure by adopting the method during a circuit is being manufactured, thereby avoiding the disadvantages of copper layer exfoliation, broken wires, etc. in the prior art, and increasing the rate of finished products.

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17-06-2009 дата публикации

Circuit board manufacturing method and circuit board

Номер: CN0101460011A
Принадлежит:

The invention provides a manufacture method for circuit board, which comprises providing a copper-coating base plate with at least a guide hole, connecting the conductive layer of the guide hole and a copper layer on the surface of the copper-coating base plate, filling the guide hole with filling material, arranging a guide hole baffle strip on the copper layer of the copper-coating base plate to completely cover the guide hole, micro-etching the copper layer of the copper-coating base plate outside the guide hole baffle strip to form a convex portion besides the guide hole which is filled with filling material, and removing the convex portion to ensure that the surface of filling material and the surface of the copper layer of the copper-coating base plate are in the same level. The invention also provides a circuit board made according to the method. The manufacture method for circuit board of the technical proposal effectively avoids pore depression of the guide hole during circuit ...

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08-06-2011 дата публикации

A circuit board deployment system and a turnover method using the circuit board deployment system

Номер: CN0101483993B
Принадлежит:

The invention provides a circuit board throw-accept system which includes a frame, a worktable, a throw board device, an accept board device and a controller, the worktable is used for placing the circuit board, the frame is used for setting the throw board device and the accept board device, the throw board device and the accept board device also include an osculum, a rotary part and a moving part connected in order, the moving part is set on the frame for driving the rotary part and the osculum moving along perpendicular a first axial direction and a second axial direction, the rotary part is used for driving the osculum rotary around a third axial direction of the first axial direction and the second axial, the osculum is opposite to the worktable for absorbing the circuit board, the controller electric connects with the moving part and the rotary part for controlling movement of the moving part and the rotary part. The invention also provides a method for processing turning board to ...

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01-09-2010 дата публикации

Full-ring steel tunnel segment structure with seal protection door

Номер: CN0101457648B
Принадлежит:

The invention discloses a loopful steel duct piece structure with a seal guard door, which is provided with a loopful steel duct piece frame, and is characterized in that the loopful steel duct piece frame is formed by assembling a main body frame and a detachable frame; the loopful steel duct piece structure is provided with a guard door which is positioned in the loopful steel duct piece frame and fixedly installed on the main body frame, and the installation position is corresponding to the position of the detachable frame; and an enclosed chamber is formed in an area enclosed by the guarddoor and the detachable frame. The loopful steel duct piece structure of the invention can effectively prevent mud and burst water from flowing into shield tunnels when construction accidents such ascave-in collapse, water burst, and the like occur during the process of excavating communication channels, thereby greatly enhancing the construction safety.

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15-10-2008 дата публикации

Method for manufacturing circuit board with differential break structure

Номер: CN0101287339A
Принадлежит:

The invention relates to a production method of a flexible circuit board with a step structure, which comprises the steps: a first base plate which comprises a substrate layer and a conducting layer, an adhesive layer and a second base plate are provided; an opening is formed on the adhesive layer; laser is used for cutting the substrate layer to form a first cut; the substrate layer of the first base plate contacts with the adhesive layer and the adhesive layer contacts with the second base plate to be pressed and fitted to obtain a prepared circuit board; the conducting layer of the first base plate is etched to form a second cut; the prepared circuit board is trimmed along the trimming margin. The second cut, the first cut, the opening and the trimming margin define a removing zone on the prepared circuit board and the removing zone falls off from the prepared circuit board to form the circuit board with the step structure. Compared with the prior art, by adopting the method, no step ...

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16-11-2011 дата публикации

Circuit board and preparation method thereof

Номер: CN0101466207B
Принадлежит:

The invention provides a fabricating method for a circuit board, which comprise the following steps: a circuit substrate board is supplied, which includes a middle layer and a first conductive layer and a second conductive layer which are formed on the both opposite surfaces of the middle layer; a photo-resistance layer is respectively arranged on the surfaces of the first conductive layer and the second conductive layer; a first opening is arranged in the photo-resistance layer arranged on the surface of the first conductive layer, and a second opening corresponding to the first opening is arranged in the photo-resistance layer arranged on the surface of the second conductive layer; a through hole is formed on the middle layer region between the first opening and the second opening and is used for passing through the first conductive layer and the second conductive layer; a metal layer is plated on the hole wall of the through hole, so as to lead the fist conductive layer to be electrically ...

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14-03-2012 дата публикации

Tool for flexible circuit board

Номер: CN0101325842B
Принадлежит:

The invention relates to a flexible circuit board jig. The flexible circuit board jig comprises a supporting body, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively fixedly connected to both opposite sides of the supporting body and are higher than the supporting body. A groove is arranged on one side near the supporting body on two surfaces of the first fixing part and the second fixing part which are opposite to each other. The first fixing part, the second fixing part and the supporting body together define a space for receiving a flexible circuit board. The supporting body is used for loading the whole flexible circuit board. The groove is used for receiving the end of the flexible circuit board. In the flexible circuit board jig, the end of the flexible circuit board can be received in the groove of a frame so as to prevent the end of the flexible circuit board from being wrapped, thereby avoiding contact with a discharge ...

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11-02-2009 дата публикации

Flexible film circuit board pasting method

Номер: CN0101365302A
Принадлежит:

The invention provides a sticking method for a soft membrane circuit board, which comprises the following steps of (1) providing the soft membrane circuit board to be stuck and an electronic component to be stuck, wherein the soft membrane circuit board is provided with a bonding pad printed by silver pastes, and the electronic component is provided with a pin; (2) placing the electronic component on the soft membrane circuit board and correspondingly placing the pin on the bonding pad; (3) baking the soft membrane circuit board on which the electronic component is placed for 20swung dash60 minutes at 130 swung dash 160 DEG C; (4) cooling the soft membrane circuit board on which the electronic component is placed. The sticking method for the soft membrane circuit board adopting the technical scheme can prevent the soft membrane circuit board from generating curling after the surface thereof is stuck.

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10-12-2008 дата публикации

Screen printing plate and manufacturing method thereof

Номер: CN0101318401A
Принадлежит:

The invention relates to a printing screen which comprises a screen frame, a silk screen and a metal sheet with a screen printing pattern; the silk screen is arranged at the screen frame in a tightening way; the metal sheet is fixed on the surface of the silk screen; the screen printing pattern of the metal sheet is ablated by the laser; the precision of the screen printing pattern is +0.005 to +0.02mm or -0.02 to -0.005mm. The invention also relates to a manufacturing method of the printing screen. The printing screen with high precision is beneficial to a circuit board with high density to carry out precise screen printing, can effectively prevent the scrapping of the circuit board caused by the screen printing and improve the yield of manufacturing the circuit board.

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21-03-2012 дата публикации

Circuit board manufacturing method

Номер: CN0101460011B
Принадлежит:

The invention provides a manufacture method for circuit board, which comprises providing a copper-coating base plate with at least a guide hole, connecting the conductive layer of the guide hole and a copper layer on the surface of the copper-coating base plate, filling the guide hole with filling material, arranging a guide hole baffle strip on the copper layer of the copper-coating base plate to completely cover the guide hole, micro-etching the copper layer of the copper-coating base plate outside the guide hole baffle strip to form a convex portion besides the guide hole which is filled with filling material, and removing the convex portion to ensure that the surface of filling material and the surface of the copper layer of the copper-coating base plate are in the same level. The invention also provides a circuit board made according to the method. The manufacture method for circuit board of the technical proposal effectively avoids pore depression of the guide hole during circuit ...

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27-05-2009 дата публикации

Method for preparing circuit board guide hole

Номер: CN0101442885A
Принадлежит:

The invention provides a circuit board conducting hole making method comprising the following steps: providing at least one through hole copper covered basis material; performing a chemical coppering process to form a chemical copper layer on the wall of the through, thereby making the through hole into conducting hole. The circuit board conducting hole making process in the technical scheme is simple.

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25-02-2009 дата публикации

Aeroscopic plate for filling circuit board conducting resin and method for filling conducting resin

Номер: CN0101374390A
Принадлежит:

The invention relates to an aeroscopic plate for filling conducting resin for circuit board. The circuit board has at least one pylome to be filled with conducting resin, and many suction holes are formed in the aeroscopic plate, for attaching the circuit board to the aeroscopic plate coordinated with a vacuum-pumping system, at least one gas vent is formed in the aeroscopic plate, at least one of the gas vents is connected with at least one of the pylomes. It is can be prevented that the conducting resin attaches on the imprinter table and falls off from the pylomn of the circuit board by using the aeroscopic plate, when filling conducting resin.

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25-06-2008 дата публикации

Method for making flexible circuit board with break difference structure

Номер: CN0101207977A
Принадлежит:

The invention relates to a method for manufacturing a flexible circuit board with a broken difference structure. The method comprises the following steps: a cross section is cut on first base material , and a first opening is dug on a first adhesive coating beforehand; then the first base material , the first adhesive coating and second base material are overlapped and pressed after being aligned; a second cross section is formed by cutting after the circuit manufacturing; after being cut, the area between the first cross section and the second cross section of the first base material scaled off to form the flexible circuit board provided with the broken difference structure. Compared with the prior art, the circuit board has no broken difference structure by adopting the method during a circuit is being manufactured, thereby avoiding the disadvantages of copper layer exfoliation, broken wires, etc. in the prior art, and increasing the rate of finished products.

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17-06-2009 дата публикации

Multilayered flexible circuit board

Номер: CN0101460020A
Принадлежит:

The invention relates to a multilayer flexible circuit board comprising a plurality of copper-coated clamp plates and a plurality of glue-lines which are respectively arranged between two adjacent copper-coated clamp plates, wherein the glue-lines comprise a middle glue-line and two outermost glue-lines, an opening of the middle glue-line is formed on the middle glue-line, openings of the outermost glue-lines are formed on the outermost glue-lines, the openings of the outermost glue-lines and the opening of the middle glue-line are relatively arranged, and thereby a non-glue area is defined on the multilayer flexible circuit board. The multilayer flexible circuit board has a non-glue area which has smaller thickness after stitching and higher flexibility.

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28-01-2009 дата публикации

Apparatus for testing chip

Номер: CN0101354413A
Принадлежит:

The invention provides a chip testing device used for testing a ball grid array encapsulation chip with a plurality of welding balls; the chip testing device comprises a test machine and a circuit board which is electrically connected on the test machine; the chip testing device also comprises a bearing plate which is electrically connected with the circuit board; the bearing plate is provided with an electric conductive opening which is corresponding to the welding ball on the chip; one end of the electric conductive opening receives the welding ball and is electrically connected with the welding ball and the other end thereof is electrically connected with the bearing plate.

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29-12-2010 дата публикации

Screen printing plate and manufacturing method thereof

Номер: CN0101318401B
Принадлежит:

The invention relates to a printing screen which comprises a screen frame, a silk screen and a metal sheet with a screen printing pattern; the silk screen is arranged at the screen frame in a tightening way; the metal sheet is fixed on the surface of the silk screen; the screen printing pattern of the metal sheet is ablated by the laser; the precision of the screen printing pattern is +0.005 to +0.02mm or -0.02 to -0.005mm. The invention also relates to a manufacturing method of the printing screen. The printing screen with high precision is beneficial to a circuit board with high density to carry out precise screen printing, can effectively prevent the scrapping of the circuit board caused by the screen printing and improve the yield of manufacturing the circuit board.

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15-04-2009 дата публикации

Optical desk for circuit board visual measurement

Номер: CN0101408557A
Принадлежит:

The invention relates to a light table used for the detection of a circuit board. The light table comprises a worktable, an outer housing arranged on the worktable and at least a light source, and the invention is characterized in that the light table further comprises a beam condensing unit; the condensing unit comprises a first cylindrical shell, a rotation part, a sliding axle and a lens system, wherein, the first cylindrical shell is arranged on the worktable, the rotation part comprises a rotating shaft and a second cylindrical shell; one end of the rotating shaft penetrates in the first cylindrical shell, the other end thereof is connected with the second cylindrical shell, one end of the sliding shaft penetrates in the second cylindrical in a sliding way and the other end thereof is connected with the lens system. The light table of the invention increases the surface lightness of the circuit board arranged on the light table but does not increase the electrical power consumption ...

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06-10-2010 дата публикации

Method for testing circuit board

Номер: CN0101363884B
Принадлежит:

The invention relate to a method for testing a circuit board, which comprises the steps of measuring a standard resistance value of each of the conductive paths in the circuit board; determining a plurality of conductive paths to be measured; measuring a plurality of resistance values of each of the conductive paths to be measured in the circuit board and recording the conductive path with a resistance value variation amplitude beyond a preset range; carrying out the slicing analysis to determine whether the conductive paths are poor; analyzing the resistance value variation of the poor conductive path and the standard resistance value to obtain the variation rule of the resistance value variation range due to the poor conductive path relative to the standard resistance value thereof; anddetermining whether each of the conductive paths in the circuit board to be tested is poor according to the condition whether the resistance value variation of each of the conductive paths meets the variation ...

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11-08-2010 дата публикации

Method for making flexible circuit board with differential break structure

Номер: CN0101188916B
Принадлежит:

The invention relates to a method for manufacturing a flexible circuit board with a drop structure. In the method, an opening is dug up on a first bonding layer firstly; secondly, a first copper clad laminate, the first bonding layer, and a second copper clad laminate are pressed in after being aimed at and stacked; thirdly, copper clad laminates with set level number are respectively laminated on the first copper clad laminate and the second copper clad laminate by the laminate method, and the wiring is completed and a conduction hole is manufactured to form a prefabricated circuit board; fourthly, the prefabricated circuit board is cut by the laser to form a section, the corresponding area of the first copper clad laminate and a third copper clad laminate as well as the opening is fallen off from the prefabricated circuit board after cutting to form the flexible circuit board with the drop structure. Compared with the prior art, the method does not have the drop structure on the circuit ...

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01-04-2009 дата публикации

Circuit board making and emulating system and method

Номер: CN0101398864A
Принадлежит:

The invention provides a simulation system for manufacturing a circuit board, which includes at least one simulation sub-system for manufacturing the circuit board; the simulation sub-system for manufacturing the circuit board includes a data capturing module, a storage module, a processing module and an output module; the data capturing module is used for capturing the technical parameters of the working procedures for manufacturing the circuit board to be tested; the storage module is used for storing a simulation function corresponding to the captured technical parameter; the processing module is used for capturing the simulation function and calculating the captured technical parameters according to the simulation function for obtaining the simulation result of the property parameters of the circuit board after the manufacturing working procedures; the output module is used for outputting the simulation result. The technical scheme also provides a simulation method for manufacturing ...

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24-06-2009 дата публикации

Circuit board and preparation method thereof

Номер: CN0101466207A
Принадлежит:

The invention provides a fabricating method for a circuit board, which comprise the following steps: a circuit substrate board is supplied, which includes a middle layer and a first conductive layer and a second conductive layer which are formed on the both opposite surfaces of the middle layer; a photo-resistance layer is respectively arranged on the surfaces of the first conductive layer and the second conductive layer; a first opening is arranged in the photo-resistance layer arranged on the surface of the first conductive layer, and a second opening corresponding to the first opening is arranged in the photo-resistance layer arranged on the surface of the second conductive layer; a through hole is formed on the middle layer region between the first opening and the second opening and is used for passing through the first conductive layer and the second conductive layer; a metal layer is plated on the hole wall of the through hole, so as to lead the fist conductive layer to be electrically ...

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15-07-2009 дата публикации

A circuit board deployment system and a turnover method using the circuit board deployment system

Номер: CN0101483993A
Принадлежит:

The invention provides a circuit board throw-accept system which includes a frame, a worktable, a throw board device, an accept board device and a controller, the worktable is used for placing the circuit board, the frame is used for setting the throw board device and the accept board device, the throw board device and the accept board device also include an osculum, a rotary part and a moving part connected in order, the moving part is set on the frame for driving the rotary part and the osculum moving along perpendicular a first axial direction and a second axial direction, the rotary part is used for driving the osculum rotary around a third axial direction of the first axial direction and the second axial, the osculum is opposite to the worktable for absorbing the circuit board, the controller electric connects with the moving part and the rotary part for controlling movement of the moving part and the rotary part. The invention also provides a method for processing turning board to ...

Подробнее
08-06-2011 дата публикации

Method for preparing circuit board guide hole

Номер: CN0101442885B
Принадлежит:

The invention provides a circuit board conducting hole making method comprising the following steps: providing at least one through hole copper covered basis material; performing a chemical coppering process to form a chemical copper layer on the wall of the through, thereby making the through hole into conducting hole. The circuit board conducting hole making process in the technical scheme is simple.

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27-01-2010 дата публикации

Method for manufacturing circuit board with differential break structure

Номер: CN0100586259C
Принадлежит:

The invention relates to a production method of a flexible circuit board with a step structure, which comprises the steps: a first base plate which comprises a substrate layer and a conducting layer, an adhesive layer and a second base plate are provided; an opening is formed on the adhesive layer; laser is used for cutting the substrate layer to form a first cut; the substrate layer of the first base plate contacts with the adhesive layer and the adhesive layer contacts with the second base plate to be pressed and fitted to obtain a prepared circuit board; the conducting layer of the first base plate is etched to form a second cut; the prepared circuit board is trimmed along the trimming margin. The second cut, the first cut, the opening and the trimming margin define a removing zone on the prepared circuit board and the removing zone falls off from the prepared circuit board to form the circuit board with the step structure. Compared with the prior art, by adopting the method, no step ...

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17-11-2010 дата публикации

Optical desk for circuit board visual measurement

Номер: CN0101408557B
Принадлежит:

The invention relates to a light table used for the detection of a circuit board. The light table comprises a worktable, an outer housing arranged on the worktable and at least a light source, and the invention is characterized in that the light table further comprises a beam condensing unit; the condensing unit comprises a first cylindrical shell, a rotation part, a sliding axle and a lens system, wherein, the first cylindrical shell is arranged on the worktable, the rotation part comprises a rotating shaft and a second cylindrical shell; one end of the rotating shaft penetrates in the firstcylindrical shell, the other end thereof is connected with the second cylindrical shell, one end of the sliding shaft penetrates in the second cylindrical in a sliding way and the other end thereof is connected with the lens system. The light table of the invention increases the surface lightness of the circuit board arranged on the light table but does not increase the electrical power consumption ...

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28-05-2008 дата публикации

Method for making flexible circuit board with differential break structure

Номер: CN0101188916A
Принадлежит:

The invention relates to a method for manufacturing a flexible circuit board with a drop structure. In the method, an opening is dug up on a first bonding layer firstly; secondly, a first copper clad laminate, the first bonding layer, and a second copper clad laminate are pressed in after being aimed at and stacked; thirdly, copper clad laminates with set level number are respectively laminated on the first copper clad laminate and the second copper clad laminate by the laminate method, and the wiring is completed and a conduction hole is manufactured to form a prefabricated circuit board; fourthly, the prefabricated circuit board is cut by the laser to form a section, the corresponding area of the first copper clad laminate and a third copper clad laminate as well as the opening is fallen off from the prefabricated circuit board after cutting to form the flexible circuit board with the drop structure. Compared with the prior art, the method does not have the drop structure on the circuit ...

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30-06-2023 дата публикации

Vehicle-mounted charger system suitable for direct current charging pile

Номер: CN116353374A
Автор: WEI JUNQIAO, TU ZHIYI, WANG DOU
Принадлежит:

The invention discloses a vehicle-mounted charger system suitable for a direct current charging pile. The system comprises a DC/DC power conversion unit, a control system and a communication unit, the control system obtains voltage and current information required by a vehicle-mounted battery in real time through the communication unit, then calculates input voltage when the vehicle-mounted battery works at an optimal working point, and finally issues a required voltage instruction to a direct current charging pile through a direct current charging seat through the communication unit. The direct current charging pile timely adjusts and outputs direct current to the DC/DC power conversion unit through the direct current charging base according to a voltage instruction below the communication unit, the DC/DC power conversion unit converts the output direct current and then supplies power to the vehicle-mounted battery, and therefore it is guaranteed that the input voltage meets the requirement ...

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17-06-2009 дата публикации

Full-ring steel tunnel segment structure with seal protection door

Номер: CN0101457648A
Принадлежит:

The invention discloses a loopful steel duct piece structure with a seal guard door, which is provided with a loopful steel duct piece frame, and is characterized in that the loopful steel duct piece frame is formed by assembling a main body frame and a detachable frame; the loopful steel duct piece structure is provided with a guard door which is positioned in the loopful steel duct piece frame and fixedly installed on the main body frame, and the installation position is corresponding to the position of the detachable frame; and an enclosed chamber is formed in an area enclosed by the guard door and the detachable frame. The loopful steel duct piece structure of the invention can effectively prevent mud and burst water from flowing into shield tunnels when construction accidents such as cave-in collapse, water burst, and the like occur during the process of excavating communication channels, thereby greatly enhancing the construction safety.

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19-11-2008 дата публикации

Circuit board

Номер: CN0101309551A
Принадлежит:

The invention provides a circuit board. The circuit board is provided with a first conductive pattern, a second conductive pattern and a connecting line connected with the first conductive pattern and the second conductive pattern, wherein the width of the first connecting end of the first conducting pattern is larger than the width of the second connecting end of the second conducting pattern, and the width of the connecting line can be gradually transited to the width of the second connecting end from the width of the first connecting end. The signal reflecting and signal cross-talk phenomena can be avoided by utilizing the circuit board in the technical proposal.

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30-03-2011 дата публикации

Aeroscopic plate for filling circuit board conducting resin and method for filling conducting resin

Номер: CN0101374390B
Принадлежит:

The invention relates to an aeroscopic plate for filling conducting resin for circuit board. The circuit board has at least one pylome to be filled with conducting resin, and many suction holes are formed in the aeroscopic plate, for attaching the circuit board to the aeroscopic plate coordinated with a vacuum-pumping system, at least one gas vent is formed in the aeroscopic plate, at least one of the gas vents is connected with at least one of the pylomes. It is can be prevented that the conducting resin attaches on the imprinter table and falls off from the pylomn of the circuit board by using the aeroscopic plate, when filling conducting resin.

Подробнее
17-12-2008 дата публикации

Tool for flexible circuit board

Номер: CN0101325842A
Принадлежит:

The invention relates to a flexible circuit board jig. The flexible circuit board jig comprises a supporting body, a first fixing part and a second fixing part. The first fixing part and the second fixing part are respectively arranged on both opposite sides of the supporting body. A groove is arranged on one side near the supporting body on two surfaces of the first fixing part and the second fixing part which are opposite to each other. The groove defines and receives a space of an end of a flexible circuit board. In the flexible circuit board jig, the end of the flexible circuit board can be received in the groove of a frame so as to prevent the end of the flexible circuit board from being wrapped, thereby avoiding contact with a discharge electrode to be burned down.

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11-02-2009 дата публикации

Method for testing circuit board

Номер: CN0101363884A
Принадлежит:

The invention relate to a method for testing a circuit board, which comprises the steps of measuring a standard resistance value of each of the conductive paths in the circuit board; determining a plurality of conductive paths to be measured; measuring a plurality of resistance values of each of the conductive paths to be measured in the circuit board and recording the conductive path with a resistance value variation amplitude beyond a preset range; carrying out the slicing analysis to determine whether the conductive paths are poor; analyzing the resistance value variation of the poor conductive path and the standard resistance value to obtain the variation rule of the resistance value variation range due to the poor conductive path relative to the standard resistance value thereof; and determining whether each of the conductive paths in the circuit board to be tested is poor according to the condition whether the resistance value variation of each of the conductive paths meets the variation ...

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