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:
Jun. 02, 2026
Filed:
Aug. 20, 2024
Macronix International Co., Ltd., Hsinchu, TW;
PO-Hao Tseng, Taichung City, TW;
Shao-Yu Fang, New Taipei City, TW;
MACRONIX INTERNATIONAL CO., LTD., Hsinchu, TW;
Abstract
A memory device includes a memory string. The memory string includes first switch elements and second switch elements. The second switch elements are arranged alternately and coupled in series with the first switch elements. When the memory string has a first conductance, each switch element of the first switch elements has a first threshold voltage level and each switch element of the second switch elements has a second threshold voltage level, when the memory string has a second conductance, each switch element of a first portion of the first switch elements has the second threshold voltage level and each switch element of a second portion of the second switch elements has the first threshold voltage level, the first conductance is smaller than the second conductance, and the first threshold voltage level is larger than the second threshold voltage level.
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