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.

Date of Patent:
Aug. 15, 2023

Filed:

May. 18, 2022
Applicant:

Micron Technology, Inc., Boise, ID (US);

Inventors:

Tao Liu, San Jose, CA (US);

Chun Sum Yeung, Milpitas, CA (US);

Xiangang Luo, Fremont, CA (US);

Assignee:

Micron Technology, Inc., Boise, ID (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 29/52 (2006.01); G11C 29/44 (2006.01);
U.S. Cl.
CPC ...
G11C 29/76 (2013.01); G11C 29/44 (2013.01); G11C 29/52 (2013.01); G11C 29/808 (2013.01); G11C 29/886 (2013.01);
Abstract

A replacement block pool for a memory device is established. The replacement block pool comprises one or more valid blocks from a set of valid blocks in the memory device determined based on a constraint defining a minimum number of valid blocks for the memory device. A grown bad block is detected in the memory device. The grown bad block is replaced with a replacement block from the replacement block pool in response to detecting the grown bad block.


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