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. 26, 2017
Filed:
Sep. 07, 2016
SK Hynix Inc., Gyeonggi-do, KR;
Yun-Hui Yang, Gyeonggi-do, KR;
Young-Hun Choi, Gyeonggi-do, KR;
SK Hynix Inc., Gyeonggi-do, KR;
Abstract
An image sensor having a lower device, an upper devise, and a TSV structure is provides. The lower device may include a lower substrate, a lower TSV pad, and a lower interlayer insulating layer. The lower TSV pad may be formed over the lower substrate. The lower interlayer insulating layer may cover the lower TSV pad. The upper device may include an upper substrate, an upper TSV pad, and an upper interlayer insulating layer. The upper TSV pad may be formed over the upper substrate. The upper interlayer insulating layer may cover the upper TSV pad. The TSV structure may vertically pass through the upper device and electrically connect the upper TSV pad to the lower TSV pad. The upper TSV pad may include an upper opening. The lower TSV pad may include a unit pad and a lower opening. The unit pad may be exposed through the upper opening and contacts the TSV structure in a top view.