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:
Jul. 29, 2014
Filed:
Aug. 16, 2011
Takanori Suzuki, Tokyo, JP;
Tadashi Kosaka, Atsugi, JP;
Koji Tsuduki, Kawasaki, JP;
Yasuhiro Matsuki, Atsugi, JP;
Shin Hasegawa, Hadano, JP;
Akiya Nakayama, Kawasaki, JP;
Takanori Suzuki, Tokyo, JP;
Tadashi Kosaka, Atsugi, JP;
Koji Tsuduki, Kawasaki, JP;
Yasuhiro Matsuki, Atsugi, JP;
Shin Hasegawa, Hadano, JP;
Akiya Nakayama, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A method of manufacturing an optical sensor includes providing a semiconductor wafer including a plurality of pixel areas, providing a light transmissive substrate including a light transmissive wafer with a plurality of light transmissive members attached thereto, the plurality of light transmissive members being arranged on a first main surface of the light transmissive wafer and each of plurality of light transmissive members emitting α rays, an amount of the α rays being smaller than or equal to 0.05 c/cm·h, fixing the light transmissive substrate onto the semiconductor wafer together by a fixing member, and dividing the semiconductor wafer and the light transmissive substrate that are fixed together into individual pieces.