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:
Sep. 16, 2014
Filed:
May. 12, 2011
Applicant:
Doo-won Kwon, Seongnam-si, KR;
Inventor:
Doo-Won Kwon, Seongnam-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 27/146 (2006.01); H01L 31/062 (2012.01);
U.S. Cl.
CPC ...
H01L 27/1464 (2013.01); H01L 27/14654 (2013.01); H01L 27/14656 (2013.01); H01L 27/14672 (2013.01); H01L 27/14674 (2013.01); H01L 31/062 (2013.01);
Abstract
A backside illumination image sensor, a method of fabricating the same, and an electronic system including the backside illumination image sensor, the backside illumination image sensor including a semiconductor substrate, the semiconductor substrate having an upper surface and a lower surface; photodiodes in the semiconductor substrate; and metal interconnections below the semiconductor substrate, wherein each of the photodiodes includes a N-type region, a lower P-type region below the N-type region, and an upper P-type region on the N-type region.