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:
Dec. 06, 2011
Filed:
Jul. 23, 2009
Tae Gyu Kim, Masan-si, KR;
Tae Gyu Kim, Masan-si, KR;
Dongbu HiTek, Co., Ltd., Seoul, KR;
Abstract
An image sensor having greatly improved physical and electrical bonding forces between a photodiode and a substrate, and a manufacturing method thereof. The image sensor includes a semiconductor substrate and readout circuitry, a dielectric layer on the semiconductor substrate, a metal line in the dielectric layer, electrically connected with the readout circuitry, an image sensing device including first and second impurity regions on the dielectric layer, a via hole through the dielectric layer and the image sensing device, a hard mask in the via hole, and a lower electrode in the via hole to connect the first impurity region with the metal line.