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. 02, 2024
Filed:
Nov. 12, 2020
Applicant:
Changxin Memory Technologies, Inc., Hefei, CN;
Inventor:
Ping-Heng Wu, Hefei, CN;
Assignee:
CHANGXIN MEMORY TECHNOLOGIES, INC., Hefei, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 21/56 (2006.01); H01L 23/13 (2006.01); H01L 23/31 (2006.01); H01L 23/00 (2006.01);
U.S. Cl.
CPC ...
H01L 21/565 (2013.01); H01L 21/563 (2013.01); H01L 23/13 (2013.01); H01L 23/3128 (2013.01); H01L 24/16 (2013.01); H01L 2224/16225 (2013.01); H01L 2924/15151 (2013.01);
Abstract
The present disclosure relates to a package substrate comprising: a substrate having opposing first surface and second surface; at least one vent hole extending through the first surface and the second surface of the substrate, the vent hole comprising at least a long-strip hole.