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:
Aug. 23, 2011
Filed:
Mar. 09, 2009
Jae Won Cha, Seoul, KR;
Duck Ju Kim, Gyeonggi-do, KR;
Jae Won Cha, Seoul, KR;
Duck Ju Kim, Gyeonggi-do, KR;
Hynix Semiconductor Inc., Gyeonggi-do, KR;
Abstract
A method includes performing test bit setting; programming a first page using data set by the test bit setting, and storing a fail status bit in a page buffer, which is connected to a first bit line having a fail status, based on a verification result of the test program; performing a test program and verification on a second page based on a test program and fail status bit storage result of a preceding page, and storing a fail status bit in the page buffer, which is connected to a second bit line having a fail status, based on a verification result of the test program and verification; and after a test program, verification, and fail status bit setting with respect to the entire pages of a memory block are completed, outputting data of the page buffer.