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:
Nov. 27, 2007
Filed:
Jun. 08, 2005
Applicant:
Hwa-yong Kang, Suwon-si, KR;
Inventor:
Hwa-Yong Kang, Suwon-si, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image sensor includes a substrate with an epitaxial layer deposited thereon, a plurality of photodiodes buried in the epitaxial layer, and a plurality of field oxide films interposed between the photodiodes for insulating the photodiodes. Each of the field oxide films includes a trench formed on the epitaxial layer, a first oxide layer deposited on an inside of the trench, a reflective layer deposited on the first oxide film for reflecting incident light to a side of the photodiode, and a second oxide layer formed on the reflective layer.