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:
Oct. 30, 2012
Filed:
Feb. 01, 2008
Osamu Matsushima, Kyoto-fu, JP;
Masaki Takaoka, Kyoto-fu, JP;
Kenichi Miyazaki, Kyoto-fu, JP;
Shogo Ishizuka, Ibaraki, JP;
Keiichiro Sakurai, Ibaraki, JP;
Shigeru Niki, Ibaraki, JP;
Osamu Matsushima, Kyoto-fu, JP;
Masaki Takaoka, Kyoto-fu, JP;
Kenichi Miyazaki, Kyoto-fu, JP;
Shogo Ishizuka, Ibaraki, JP;
Keiichiro Sakurai, Ibaraki, JP;
Shigeru Niki, Ibaraki, JP;
Rohm Co., Ltd., Kyoto-fu, JP;
National Institute of Advanced Industrial Science and Technology, Tokyo, JP;
Abstract
A solid state imaging device with an easy structure in which have the high sensitivity which reaches the wide wavelength region from visible light to near infrared light wavelength region, and dark current is reduced, and a fabrication method for the same, are provided. A solid state imaging device and a fabrication method for the same, the solid state imaging device comprising: a circuit unit formed on a substrate; and a photoelectric conversion unit including a lower electrode layer placed on the circuit unit, a compound semiconductor thin film of chalcopyrite structure which is placed on the lower electrode layer and functions as an optical absorption layer, and an optical transparent electrode layer placed on the compound semiconductor thin film, wherein the lower electrode layer, the compound semiconductor thin film, and the optical transparent electrode layer are laminated one after another on the circuit unit.