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:
Feb. 02, 2016
Filed:
Jan. 23, 2014
Applicant:
Ps4 Luxco S.a.r.l., Luxembourg, LU;
Inventors:
Assignee:
PS4 Luxco S.a.r.l., Luxembourg, LU;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); H01L 21/66 (2006.01); G11C 29/00 (2006.01);
U.S. Cl.
CPC ...
H01L 22/14 (2013.01); G11C 29/787 (2013.01); G11C 29/789 (2013.01); G11C 29/802 (2013.01); H01L 2924/0002 (2013.01);
Abstract
A method for manufacturing a stacked semiconductor memory device includes testing a plurality of memory chips to detect first defective addresses, programming optical fuses with first defective address information on each of the plurality of memory chips that have the first defective addresses, stacking the plurality of memory chips, testing the stacked memory chips to detect second defective addresses, and programming electrical fuses with second defective address information.