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:
Mar. 03, 2015
Filed:
Dec. 27, 2012
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventor:
Chang Hyun Lee, Icheon-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 29/40 (2006.01); H01L 21/44 (2006.01); H01L 23/498 (2006.01); H01L 21/768 (2006.01); H01L 23/544 (2006.01); H01L 25/065 (2006.01); H01L 23/48 (2006.01);
U.S. Cl.
CPC ...
H01L 23/49827 (2013.01); H01L 21/768 (2013.01); H01L 23/544 (2013.01); H01L 25/0657 (2013.01); H01L 23/481 (2013.01); H01L 2924/0002 (2013.01); H01L 2223/5442 (2013.01); H01L 2223/54426 (2013.01); H01L 2223/54473 (2013.01);
Abstract
A semiconductor memory device includes a first chip and a second chip connected to the first chip physically and electrically, wherein the first chip and the second chip are coupled by through silicon vias (TSVs) formed in a first region, and the first chip and the second chip are coupled by alignment keys formed in second regions.
Lee, Chang. (2015). Semiconductor memory device including alignment key structures (U.S. Patent No. 8970050). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8970050
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile