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. 19, 2025

Filed:

May. 09, 2023
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Fan Zhang, San Jose, CA (US);

Meysam Asadi, San Jose, CA (US);

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 16/12 (2006.01); G11C 11/56 (2006.01); G11C 16/30 (2006.01);
U.S. Cl.
CPC ...
G11C 16/12 (2013.01); G11C 11/5628 (2013.01); G11C 16/30 (2013.01);
Abstract

A memory system and method for data reclaim which reads data from a memory using a preset voltage threshold based on a page type being read; records an initial set of program voltages for successful reads of the data from the memory; determines an initial distribution of the initial set of program voltages, over time subsequent sets of the program voltages for successful reads of the data from the memory; determines subsequent distributions of the subsequent sets of the program voltages; and based on program voltage variations of the subsequent distributions from the initial deviation, recycles the data in the memory.


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