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:
Aug. 24, 2021
Filed:
Feb. 26, 2019
Applicant:
Toshiba Memory Corporation, Tokyo, JP;
Inventor:
Yuichi Sano, Tokyo, JP;
Assignee:
TOSHIBA MEMORY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 25/065 (2006.01); H01L 25/18 (2006.01); H01L 25/00 (2006.01); H01L 23/00 (2006.01); H01L 23/31 (2006.01); H01L 23/16 (2006.01); H01L 21/56 (2006.01);
U.S. Cl.
CPC ...
H01L 25/0657 (2013.01); H01L 23/562 (2013.01); H01L 25/18 (2013.01); H01L 25/50 (2013.01); H01L 2225/0651 (2013.01); H01L 2225/06506 (2013.01); H01L 2225/06562 (2013.01); H01L 2225/06586 (2013.01);
Abstract
A semiconductor device includes a substrate, a first semiconductor chip on the substrate, a first adhesive material on the first semiconductor chip, a spacer chip on the first adhesive material, a second adhesive material on the spacer chip, a second semiconductor chip on the second adhesive material, and a resin material that covers the first and second semiconductor chips and the spacer chip. The spacer chip has a first region with which the resin material comes in contact is roughened and a second region that is different from the first region.