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:
Sep. 28, 2010
Filed:
Aug. 01, 2008
Pan-suk Kwak, Suwon-si, KR;
Doo-youl Lee, Seoul, KR;
Pan-suk Kwak, Suwon-si, KR;
Doo-youl Lee, Seoul, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
Provided are a flash memory device having an improved bit-line layout and a layout method for the flash memory device. The flash memory device in which bit lines are disposed based on double patterning technology (DPT), may include at least one main bit line connected to a cell string including a memory cell storing data, at least one dummy bit line disposed parallel to the at least one main bit line, and a common source line transferring a common source voltage, and disposed on a different layer from a layer on which the at least one main bit line and the at least one dummy bit line are disposed, wherein the at least one dummy bit line may include a first dummy bit line transferring a first voltage and a second dummy bit line transferring a second voltage.