High-performance a-Si:H TFT-driven linear image sensor and its application to a compact scanner

Hiroyuki Miyake; Kazuhiro Sakai; Tsutomu Abe; Yoshihiko Sakai; Hiroyuki Hotta; Hajime Sugino; Hisao Ito; Takashi Ozawa

doi:10.1117/12.45353

1 June 1991 High-performance a-Si:H TFT-driven linear image sensor and its application to a compact scanner

Hiroyuki Miyake, Kazuhiro Sakai, Tsutomu Abe, Yoshihiko Sakai, Hiroyuki Hotta, Hajime Sugino, Hisao Ito, Takashi Ozawa

Proceedings Volume 1448, Camera and Input Scanner Systems; (1991) https://doi.org/10.1117/12.45353
Event: Electronic Imaging '91, 1991, San Jose, CA, United States

Abstract

A high performance page width linear image sensor with a new multiplex structure called 'meander lines' has been developed. The sensor has an A3 page width (310 mm) with resolution of 400 dot per inch (DPI) and is operated at 4 MHz. The meander lines have been adopted to eliminate the crosstalk coupling and also to get small line capacitance closely related to high photoresponsivity. The sensor achieved a photoresponsivity of 20 V/lx(DOT)s and more than 64 gray scale reading capability. A compact image scanning unit was made of size 420 mm (W) X 130 mm (L) X 30 mm (H). It was tested and the reproduced image was good quality.

Citation Download Citation

Hiroyuki Miyake, Kazuhiro Sakai, Tsutomu Abe, Yoshihiko Sakai, Hiroyuki Hotta, Hajime Sugino, Hisao Ito, and Takashi Ozawa "High-performance a-Si:H TFT-driven linear image sensor and its application to a compact scanner", Proc. SPIE 1448, Camera and Input Scanner Systems, (1 June 1991); https://doi.org/10.1117/12.45353

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