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:
Dec. 21, 2004
Filed:
May. 06, 2003
Applicant:
Inventor:
Cheng-Chen Calvin Huseh, Taipei, TW;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 2/9788 ;
U.S. Cl.
CPC ...
H01L 2/9788 ;
Abstract
A self-aligned dual-bit NVM cell. Each NVM cell has two isolated chargeable areas storing one bit respectively. That is, the two chargeable areas are physically separated. A control gate and a passivation layer are disposed over and between the two isolated chargeable areas. Moreover, the two isolated chargeable areas are formed by a self-alignment process.