Flash memory device and method of programming the same

US8976584B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-8976584-B2
Application numberUS-201313767535-A
CountryUS
Kind codeB2
Filing dateFeb 14, 2013
Priority dateApr 17, 2012
Publication dateMar 10, 2015
Grant dateMar 10, 2015

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Abstract

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A method is provided for programming a flash memory device including memory cells formed in a direction perpendicular to a substrate, a first sub word line connected to first memory cells and selectable by a first selection line, and a second sub word line connected to second memory cells and selectable by a second selection line, the first and second memory cells being formed at the same level and being supplied with a program voltage at the same time. The method includes performing LSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively; performing CSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively; and performing MSB program operations on the first and second sub word lines by enabling the first and second selection lines, respectively.

First claim

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What is claimed is: 1. A flash memory device, comprising: a plurality of memory cells formed in a direction perpendicular to a substrate; a first sub word line connected to first memory cells from among the plurality of memory cells, the first sub word line being formed at a first level and selectable using a first selection line; a second sub word line connected to second memory cells from among the plurality of memory cells, the second sub word line being formed at the first…

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What does patent US8976584B2 cover?
A method is provided for programming a flash memory device including memory cells formed in a direction perpendicular to a substrate, a first sub word line connected to first memory cells and selectable by a first selection line, and a second sub word line connected to second memory cells and selectable by a second selection line, the first and second memory cells being formed at the same level…
Who is the assignee on this patent?
Han Jinman, Lee Ho-Chul, Kim Min-Su, and 3 more
What technology area does this patent fall under?
Primary CPC classification G11C16/0483. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue Mar 10 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).