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:
Apr. 26, 2022
Filed:
Oct. 02, 2019
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Young Woong Do, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
H01L 27/1463 (2013.01); H01L 27/14607 (2013.01); H01L 27/14621 (2013.01); H01L 27/14643 (2013.01); H01L 27/14685 (2013.01);
Abstract
An image sensing device and a method for forming the same are disclosed. The image sensing device includes a substrate including photoelectric conversion elements, and a grid structure disposed over the substrate. The grid structure includes an inner grid layer, and an outer grid layer formed outside the inner grid layer to provide air layer formed at a side surface and a top surface of the inner grid layer.