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:
Nov. 04, 2025
Filed:
Jul. 27, 2023
Pufsecurity Corporation, Hsinchu County, TW;
Chi-Yi Shao, Hsinchu County, TW;
Chia-Cho Wu, Hsinchu County, TW;
PUFSECURITY CORPORATION, Hsinchu County, TW;
Abstract
The present application discloses a method for operating a memory device. The memory device includes a plurality of rows of repair one-time programmable (OTP) cells and a plurality of rows of main OTP cells. The method includes performing a testing procedure to determine validities of the plurality of rows of repair OTP cells and store repair information to a first part of rows of repair OTP cells that are determined to be valid, and performing a repairing procedure to determine validities of the plurality of rows of repair OTP cells and repair at least one row of main OTP cells that is determined to be invalid in the plurality of rows of main OTP by using a second part of the rows of repair OTP cells that are determined to be valid.