The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 1991
Filed:
Sep. 22, 1989
Takeshi Nanjoh, Sendai, JP;
Kenji Yamamoto, Miyagi, JP;
Ricoh Company, Ltd., Tokyo, JP;
Ricoh Research Institute of General Electronics Co., Ltd., Natori, JP;
Abstract
A contact type image sensor comprising a transparent substrate, a non-transparent stop layer formed on the transparent substrate and having first windows, an insulator layer formed on the stop layer, a first electrode formed on the insulator layer and having second windows located at positions corresponding to positions of the first windows, a row of photoelectric conversion elements formed on the first electrode and having first and second ends, where each of the first window and the second window are provided in correspondence with one of the photoelectric conversion elements, a transparent second electrode formed on the photoelectric conversion elements, and one or a plurality of dummy windows provided at both the first and second ends of the row of photoelectric conversion elements so that each dummy window is constituted by corresponding windows formed in the stop layer and the first electrode.
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