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    • 7. 发明申请
    • Low-noise image sensor and transistor for image sensor
    • 低噪声图像传感器和图像传感器晶体管
    • US20070158710A1
    • 2007-07-12
    • US11633887
    • 2006-12-05
    • Bong MheenMi KimYoung Song
    • Bong MheenMi KimYoung Song
    • H01L31/113H01L31/062
    • H01L27/14614H01L27/14601H01L27/14603
    • Provided are a low-noise image sensor capable of improving the efficiency of charge transfer from a photodiode to a diffusion node region and effectively suppressing the generation of dark current, and a transistor for the image sensor. The image sensor includes: a photosensitive pixel having a transfer transistor formed in a structure which causes hole accumulation in a part or all regions of a gate oxide; and a sensing control part applying a negative offset potential to the gate during a part or whole of a turn-off period of the transfer transistor. When the transfer transistor is off, the image sensor may form a sufficient barrier and accumulate electrons in the photodiode, and when the transistor is on, the sensor sufficiently lowers a barrier, fully depletes the photodiode before the transfer transistor reaches a threshold voltage, and inactivates a trap in a predetermined region for a certain time, and thus the dark current can be reduced.
    • 提供了能够提高从光电二极管到扩散节点区域的电荷转移效率并有效抑制暗电流的产生的低噪声图像传感器,以及用于图像传感器的晶体管。 图像传感器包括:具有转移晶体管的感光像素,该转移晶体管形成为在栅极氧化物的一部分或全部区域中引起空穴积累的结构; 以及在转移晶体管的关断周期的一部分或全部期间向栅极施加负偏移电位的感测控制部分。 当转移晶体管截止时,图像传感器可能形成足够的势垒并在光电二极管中积聚电子,并且当晶体管导通时,传感器充分降低势垒,在转移晶体管达到阈值电压之前完全耗尽光电二极管, 使预定区域中的陷阱钝化一定时间,从而可以减小暗电流。
    • 9. 发明申请
    • Injection-molding method and apparatus
    • 注射成型方法和装置
    • US20070145645A1
    • 2007-06-28
    • US11351146
    • 2006-02-08
    • Young Song
    • Young Song
    • B29C45/00
    • B29C45/2673B29C45/076B29L2031/3437B29L2031/466
    • Injection-molding method and apparatus. The mold device is composed of a plurality of unit mold devices each of which comprises cassette type molds configured to allow their cores defining a molding space between them to be changed. The unit mold devices are arranged at regular intervals to be opened and closed in a horizontal direction to thereby allow the molded product to freely fall. The unit mold devices sequentially and respectively conduct a mold clamping process, an injection process, a cooling process and an ejection process under the control of control means. Injection means is moved above the unit mold devices in accordance with a preset cycle and time and raised and lowered to be brought into contact with the cores of the unit mold device having conducted the mold clamping process to then inject melted resin and finally obtain a molded product.
    • 注射成型方法和装置。 模具装置由多个单元模具装置组成,每个单元模具装置包括盒型模具,其构造成允许其芯限定它们之间的模制空间。 单元模具装置以规则的间隔布置以在水平方向上打开和关闭,从而允许模制品自由下落。 单元模具装置在控制装置的控制下依次分别进行模具夹紧过程,注射过程,冷却过程和喷射过程。 注射装置按照预设的循环和时间移动到单元模具装置上方,并升高和降低以与进行模具夹紧过程的单元模具装置的芯部接触,然后注入熔融树脂,最后获得模制 产品。