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. 12, 2016
Filed:
Apr. 29, 2015
Powerchip Technology Corporation, Hsinchu, TW;
Chi-Ching Liao, New Taipei, TW;
Hung-Tai Lai, Hsinchu, TW;
Shyng-Yeuan Che, Hsinchu County, TW;
S-I Chan, Hsinchu, TW;
Powerchip Technology Corporation, Hsinchu Science Park, Hsinchu, TW;
Abstract
An image sensor device includes a substrate having an active array region and a peripheral circuit region, a plurality of light-sensing elements disposed within the active array region, a first dielectric layer on the substrate, and a second dielectric layer on the first dielectric layer. A recess region is provided in the second dielectric layer to reveal a top surface of the first dielectric layer within the active array region. An angle between a sidewall of the second dielectric layer that defines the perimeter of the recess region and the top surface of the first dielectric layer is less than 90 degrees.