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    • 2. 发明授权
    • High resolution continuously distributed silicon photodiode substrate
    • 高分辨率连续分布硅光电二极管基板
    • US4198647A
    • 1980-04-15
    • US4107
    • 1979-01-17
    • Jan GrinbergAlexander D. JacobsonWilliam P. Bleha, Jr.Paul O. Braatz
    • Jan GrinbergAlexander D. JacobsonWilliam P. Bleha, Jr.Paul O. Braatz
    • G02F1/135H01L27/14
    • G02F1/1354
    • This invention is directed to a semiconductor structure that includes at least one wafer that is fully depleted of all mobile carriers and is used as a medium for the movement of spatially modulated signal represented by charge carriers through the wafer with a spatial resolution that is smaller than the thickness of the wafer. This may be used in the form of a continuous high resolution silicon photodiode substrate to serve as an image input means for an electro-optical display medium, such as a liquid crystal. Next to the photoactivated substrate is a liquid crystal and next to the crystal is a transparent electrode. The photodiode is reverse biased and both of its sides are depleted of all mobile charges throughout its entire thickness. Thus, charges generated in the substrate move to the display not by diffusion as in prior art devices (e.g. the solid state silicon vidicon) but by the influence of the electric field which tends to minimize their lateral spread and thereby achieves a high spatial resolution in spite of the continuous character of this silicon diode device.
    • 本发明涉及一种半导体结构,该半导体结构包括至少一个完全耗尽所有移动载波的晶片,并且用作用于通过晶片以空间分辨率移动由电荷载体表示的空间调制信号的介质,其空间分辨率小于 晶片的厚度。 这可以以连续的高分辨率硅光电二极管基板的形式使用,以用作诸如液晶的电光显示介质的图像输入装置。 在光活化基板的旁边是液晶,并且在晶体旁边是透明电极。 光电二极管是反向偏置的,并且其两侧在整个厚度上都耗尽所有移动电荷。 因此,在现有技术的装置(例如,固态硅摄像机)中,在衬底中产生的电荷不会像扩散一样移动到显示器上,而是通过电场的影响,使得它们的横向扩展趋于最小化,从而实现高空间分辨率 尽管这种硅二极管器件具有连续的特性。
    • 7. 发明授权
    • Infrared transducer and goggles incorporating the same
    • 红外线传感器和护目镜结合在一起
    • US5389788A
    • 1995-02-14
    • US166790
    • 1993-12-13
    • Jan GrinbergRaymond BalcerakChiung-Sheng WuUzi EfronPaul O. Braatz
    • Jan GrinbergRaymond BalcerakChiung-Sheng WuUzi EfronPaul O. Braatz
    • G01J5/04G01J5/20G02F1/135H01L27/146G02F1/136
    • H01L27/146G02B23/125G02F1/1354H04N5/3651H04N5/33
    • An infrared (IR) radiation transducer integrates an IR detector array with a liquid crystal (LC) readout. The IR detector is preferably a pixelized bolometer array, but other detectors such as pyroelectric materials are possible. To modulate the LC in response to detected IR radiation, a modulating section is provided that includes a charge injection structure which injects electrical charge in response to the detected IR radiation, and a charge transfer structure that transfers the injected charge to the LC readout section. During its active phase the charge transfer layer is depleted of majority charge carriers, and the charge injection and transfer mechanism operates in a manner analogous to a bipolar transistor. A visible readout is obtained by directing readout light through the LC, where it is modulated in accordance with the detected IR image. The transducers are small and light weight enough to be incorporated into a pair of goggles, for which no separate cooling is required.
    • 红外(IR)辐射传感器将IR检测器阵列与液晶(LC)读数器集成。 IR检测器优选地是像素化的测辐射热计阵列,但是其他检测器如热电材料也是可能的。 为了响应于检测到的IR辐射来调制LC,提供了调制部分,其包括响应于检测到的IR辐射而注入电荷的电荷注入结构,以及将注入的电荷传送到LC读出部分的电荷转移结构。 在其活性阶段期间,电荷转移层耗尽多数电荷载流子,并且电荷注入和转移机制以类似于双极晶体管的方式工作。 通过将读出光引导通过LC获得可见读出,其中根据检测到的IR图像进行调制。 传感器体积小巧,重量轻,可以并入一副护目镜,不需要单独的冷却。
    • 9. 发明授权
    • Radiation detector array using radiation sensitive bridges
    • 辐射检测器阵列使用辐射敏感桥
    • US5010251A
    • 1991-04-23
    • US463563
    • 1990-01-11
    • Jan GrinbergMurray S. WelkowskyChiung-Sheng WuPaul O. Braatz
    • Jan GrinbergMurray S. WelkowskyChiung-Sheng WuPaul O. Braatz
    • G01J5/10G01J5/20G01J5/22G01J5/52
    • G01J5/10G01J5/20G01J5/22G01J5/522
    • An infrared (IR) simulator is disclosed in which an array of pixels is defined on an insulative substrate by resistor bridges which contact the substrate at spaced locations and are separated from the substrate, and thereby thermally insulated therefrom, between the contact locations. Semiconductor drive circuits on the substrate enable desired current flows through the resistor bridges in response to input control signals, thereby establishing the appropriate IR radiation from each of the pixels. The drive circuits and also at least some of the electrical lead lines are preferably located under the resistor bridges. A thermal reflector below each bridge shields the drive circuit and reflects radiation to enhance the IR output. The drive circuits employ sample and hold circuits which produce a substantially flicker-free operation, with the resistor bridges being impedance matched with their respective drive circuits. The resistor bridges may be formed by coating insulative base bridges with a resistive layer having the desired properties, and overcoating the resistive layers with a thermally emissive material. The array is preferably formed on a silicon-on-sapphire (SOS) wafer. Arrays of electromagnetic radiation bridge detectors may also be formed, with the bridges having either resistor, thermocouple or Schottky junction constructions.
    • 公开了一种红外(IR)模拟器,其中像素阵列通过电阻器桥限定在绝缘衬底上,电阻器桥在间隔开的位置处接触衬底,并且在接触位置之间与衬底分离,从而与衬底隔离。 衬底上的半导体驱动电路响应于输入控制信号使期望的电流流过电阻器桥,从而从每个像素建立适当的红外辐射。 驱动电路以及至少一些电引线优选位于电阻桥下。 每个桥下的热反射器屏蔽驱动电路并反射辐射以增强IR输出。 驱动电路采用产生基本上无闪烁操作的采样和保持电路,其中电阻器桥与它们各自的驱动电路阻抗匹配。 可以通过用具有期望特性的电阻层涂覆绝缘基桥来形成电阻器桥,并用热发射材料覆盖电阻层。 阵列优选形成在蓝宝石(SOS)硅晶片上。 也可以形成电磁辐射桥接检测器阵列,其中桥具有电阻器,热电偶或肖特基结结构。