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    • 92. 发明授权
    • Lasercom system architecture with reduced complexity
    • Lasercom系统架构降低了复杂性
    • US5517016A
    • 1996-05-14
    • US223938
    • 1994-03-31
    • James R. LeshChien-Chung ChenHomayoon Ansari
    • James R. LeshChien-Chung ChenHomayoon Ansari
    • G01B11/27H04B10/118G01J1/20G01B11/26
    • H04B10/118G01B11/272
    • Spatial acquisition and precision beam pointing functions are critical to spaceborne laser communication systems. In the present invention a single high bandwidth CCD detector is used to perform both spatial acquisition and tracking functions. Compared to previous lasercom hardware design, the array tracking concept offers reduced system complexity by reducing the number of optical elements in the design. Specifically, the design requires only one detector and one beam steering mechanism. It also provides means to optically close the point-ahead control loop. The technology required for high bandwidth array tracking was examined and shown to be consistent with current state of the art. The single detector design can lead to a significantly reduced system complexity and a lower system cost.
    • 空间采集和精确光束指向功能对于航天激光通信系统至关重要。 在本发明中,单个高带宽CCD检测器用于执行空间采集和跟踪功能。 与以前的Lasercom硬件设计相比,阵列跟踪概念通过减少设计中的光学元件数量来降低系统复杂性。 具体来说,该设计只需要一个检测器和一个光束转向机构。 它还提供了光学关闭前进控制回路的手段。 检查了高带宽阵列跟踪所需的技术,并显示出与当前技术水平一致。 单个检测器设计可以显着降低系统复杂性并降低系统成本。
    • 93. 发明授权
    • Electric-optic resonant phase modulator
    • 电光谐振相位调制器
    • US5347392A
    • 1994-09-13
    • US842300
    • 1992-02-26
    • Chien-Chung ChenDeborah L. RobinsonHamid Hemmati
    • Chien-Chung ChenDeborah L. RobinsonHamid Hemmati
    • G02F1/21H04B10/145G03H1/02H01S3/10G08B5/23
    • H04B10/50G02F1/21
    • An electro-optic resonant cavity is used to achieve phase modulation with lower driving voltages. Laser damage thresholds are inherently higher than with previously used integrated optics due to the utilization of bulk optics. Phase modulation is achieved at higher speeds with lower driving voltages than previously obtained with non-resonant electro-optic phase modulators. The instant scheme uses a data locking dither approach as opposed to the conventional sinusoidal locking schemes. In accordance with a disclosed embodiment, a resonant cavity modulator has been designed to operate at a data rate in excess of 100 Mbps. By carefully choosing the cavity finesse and its dimension, it is possible to control the pulse switching time to within 4 ns and to limit the required switching voltage to within 10 V. Experimentally, the resonant cavity can be maintained on resonance with respect to the input laser signal by monitoring the fluctuation of output intensity as the cavity is switched. This cavity locking scheme can be applied by using only the random data sequence, and without the need of additional dithering of the cavity. Compared to waveguide modulators, the resonant cavity has a comparable modulating voltage requirement. Because of its bulk geometry, resonant cavity modulator has the potential of accommodating higher throughput power. Furthermore, mode matching into a bulk device is easier and typically can be achieved with higher efficiency. On the other hand, unlike waveguide modulators which are essentially traveling wave devices, the resonant cavity modulator requires that the cavity be maintained in resonance with respect to the incoming laser signal. An additional control loop is incorporated into the modulator to maintain the cavity on resonance.
    • 使用电光谐振腔来实现具有较低驱动电压的相位调制。 激光损伤阈值固有地高于以前使用的集成光学元件,因为利用了大量光学元件。 相位调制在较高的速度下实现,其驱动电压低于先前用非谐振电光相位调制器获得的驱动电压。 本方案使用数据锁定抖动方法,而不是常规的正弦锁定方案。 根据所公开的实施例,已经设计了谐振腔调制器以超过100Mbps的数据速率工作。 通过仔细选择腔体精度及其尺寸,可以将脉冲切换时间控制在4 ns内,并将所需的开关电压限制在10 V以内。实验上,谐振腔可以相对于输入端保持谐振 激光信号通过监视腔切换时输出强度的波动。 可以通过仅使用随机数据序列来应用该腔锁定方案,并且不需要额外的空腔抖动。 与波导调制器相比,谐振腔具有相当的调制电压要求。 由于其体积几何形状,谐振腔调制器具有容纳更高吞吐能力的潜力。 此外,模块匹配成批量器件更容易,通常可以以更高的效率实现。 另一方面,与基本上是行波器件的波导调制器不同,谐振腔调制器要求腔相对于输入的激光信号保持谐振。 调制器中并入一个附加的控制回路,以保持谐振腔。
    • 96. 发明授权
    • Condition before TMAH improved device performance
    • TMAH之前的状况提高了设备​​性能
    • US08748315B2
    • 2014-06-10
    • US13396870
    • 2012-02-15
    • En-Ting LeeKun-El ChenYu-Sheng WangChien-Chung ChenHuai-Tei Yang
    • En-Ting LeeKun-El ChenYu-Sheng WangChien-Chung ChenHuai-Tei Yang
    • H01L31/02
    • H01L31/0352H01L21/26513H01L27/1446H01L27/1464H01L27/14643H01L27/14687
    • The present disclosure relates to a method of forming a back-side illuminated CMOS image sensor (BSI CIS). In some embodiments, the method comprises forming a plurality of photodetectors within a front-side of a semiconductor substrate. An implant is performed on the back-side of the semiconductor substrate to form an implantation region having a doping concentration that is greater in the center than at the edges of the semiconductor substrate. The back-side of the workpiece is then exposed to an etchant, having an etch rate that is inversely proportional to the doping concentration, which thins the semiconductor substrate to a thickness that allows for light to pass through the back-side of the substrate to the plurality of photodetectors. By implanting the substrate prior to etching, the etching rate is made uniform over the back-side of the substrate improving total thickness variation between the photodetectors and the back-side of the substrate.
    • 本公开涉及形成背面照明CMOS图像传感器(BSI CIS)的方法。 在一些实施例中,该方法包括在半导体衬底的正面内形成多个光电探测器。 在半导体衬底的背面进行注入,以形成掺杂浓度在中心比在半导体衬底的边缘处大的掺杂浓度。 工件的背面侧,然后暴露于蚀刻剂,其具有的蚀刻速率成反比的掺杂浓度,其中所述半导体衬底变薄到厚度允许光通过所述基板的背面侧,以 多个光检测器。 通过在蚀刻之前注入基板,使蚀刻速率在基板的背面上均匀,从而提高光电检测器与基板的背面之间的总厚度变化。
    • 97. 发明授权
    • Lighting apparatus for nail beauty
    • 指甲美容照明设备
    • US08450705B1
    • 2013-05-28
    • US13615628
    • 2012-09-14
    • Chien-Yuan ChenYing-Te ChuangChien-Chung ChenMei-Chun Chiu
    • Chien-Yuan ChenYing-Te ChuangChien-Chung ChenMei-Chun Chiu
    • F26B3/28
    • F26B3/28A45D29/00A45D2200/205
    • The present invention provides a lighting apparatus for nail beauty comprising a bottom plate having a shape non-restricted to any form and a housing having an arched main body attached to the bottom plate to form a space therebetween; characterized in that: a plurality of lighting modules are provided on a top and two lateral sides of the housing to form a ring array; the lighting modules comprise light sources and heat sinks; the lighting modules provided on the top of the housing are tilted slightly such that light emitted therefrom is shone toward the front end of the apparatus and toward the area opposite of the opening of the space between the housing and the bottom plate. Therefore, fewer light sources are required for uniform UV lighting on the nails and the reflection of UV light out to the external of the apparatus can be prevented for safer uses.
    • 本发明提供一种指甲美容用照明装置,其特征在于,包括:底板,其形状不受任何形式的限制;壳体具有安装在底板上的拱形主体,以在其间形成空间; 其特征在于:多个照明模块设置在壳体的顶部和两个侧面以形成环形阵列; 照明模块包括光源和散热器; 设置在壳体顶部上的照明模块稍微倾斜,使得从其发射的光照射到装置的前端并朝向与壳体和底板之间的空间的开口相对的区域。 因此,在指甲上均匀的UV照明需要更少的光源,并且可以防止UV光到设备外部的反射,从而更安全地使用。
    • 99. 发明授权
    • Assembled light-guiding module with high light-guiding efficiency
    • 组装导光模块,导光效率高
    • US08303149B2
    • 2012-11-06
    • US12500261
    • 2009-07-09
    • Chien-Chung Chen
    • Chien-Chung Chen
    • G02B6/00
    • G02B6/001
    • An assembled light-guiding module with high light-guiding efficiency is composed of a plurality of light-guiding structures. Each light-guiding structure includes a light-guiding body unit and a light-reflecting microstructure unit. The light-guiding body unit has a light-guiding portion, at least one concave light-entering portion is formed on one end of the light-guiding portion, and a hollow portion is formed on a plane surface of the light-guiding portion. The light-reflecting microstructure unit has a plurality of light-reflecting microstructures disposed in the hollow portion. Thereby, the light-guiding structures are assembled to form a light pipe, wherein the concave light-entering portions are mated to form a light-entering groove on one end of the light pipe, and the hollow portions are mated to form a cavity space that is embedded in the light pipe.
    • 具有高导光效率的组装导光模块由多个导光结构组成。 每个导光结构包括导光体单元和光反射微结构单元。 导光体单元具有导光部,在导光部的一端形成有至少一个凹入光入射部,在导光部的平面上形成有中空部。 光反射微结构单元具有设置在中空部分中的多个光反射微结构。 由此,导光结构被组装形成光管,其中凹入的光入射部分配合以在光管的一端上形成入光槽,并且中空部分配合形成空腔 嵌入在光管中。