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:
Jan. 08, 2013
Filed:
Jul. 17, 2010
Makoto Miura, Tsukuba, JP;
Shinichi Saito, Kawasaki, JP;
Youngkun Lee, Hachioji, JP;
Katsuya Oda, Hachioji, JP;
Makoto Miura, Tsukuba, JP;
Shinichi Saito, Kawasaki, JP;
Youngkun Lee, Hachioji, JP;
Katsuya Oda, Hachioji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A semiconductor photodiode includes a semiconductor substrate; a first conduction type first semiconductor layer formed above the semiconductor substrate; a high resistance second semiconductor layer formed above the first semiconductor layer; a first conduction type third semiconductor layer formed above the second semiconductor layer; and a second conduction type fourth semiconductor layer buried in the second semiconductor layer, in which the fourth semiconductor layer is separated at a predetermined distance in a direction horizontal to the surface of the semiconductor substrate.