用于高清摄像机的帧间传输CCD传感器

IEEE International Solid-State Circuits Conference, 1989 ISSCC. Digest of Technical Papers Pub Date : 1989-02-15 DOI:10.1109/ISSCC.1989.48193

T. Nobusada, M. Azuma, H. Toyoda, T. Kuroda, K. Horii, T. Otsuki, G. Kano

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引用次数: 14

摘要

本文介绍了一种采用三块CCD芯片实现的、满足实际彩色电视摄像机要求的高清电视CCD成像仪的研制。他们提出了一种帧间线传输CCD图像传感器(FIT CCD)，具有1258(H)*1035(V)像素，使用多晶硅/铝双层传输栅极和p/sup +/-浮岛隔离。目前的FIT CCD的饱和电流为900 nA，高达625 kHz，而传统的FIT CCD即使在300 kHz也相当差。高传输速度源于栅极电阻的降低。在625 kHz传输频率下测量的光电转换特性表明，灵敏度达到50 nA/lx。图像传感器的测量特性满足实际高清电视三芯片摄像机的要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Frame interline transfer CCD sensor for HDTV camera

The authors describe the development of a HDTV (high-definition television) CCD (charge-coupled device) imager meeting the requirements for a practical color TV camera implemented with three CCD chips. They present a frame interline transfer CCD image sensor (FIT CCD), with 1258(H)*1035(V) pixels, that uses a poly-Si/Al double-layer transfer gate and p/sup +/-floating-island isolation. The saturation current of the present FIT CCD is 900 nA up to 625 kHz, whereas that of the conventional FIT CCD is fairly poor even at 300 kHz. The high transfer speed results from reduction of gate resistance. The photoconversion characteristics measured at a transfer frequency of 625 kHz show that the sensitivity reaches 50 nA/lx. The measured characteristics of the image sensor meet practical HDTV three-chip camera requirements.<>

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来源期刊

IEEE International Solid-State Circuits Conference, 1989 ISSCC. Digest of Technical Papers

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