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. 14, 1999
Filed:
Sep. 04, 1997
Applicant:
Inventor:
Ali Pourkeramati, Redwood City, CA (US);
Assignee:
Azalea Microelectronics Corp., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ; H01L / ;
U.S. Cl.
CPC ...
36518526 ; 36518517 ; 36518518 ; 36518533 ; 257321 ;
Abstract
A scalable flash memory cell structure and method of manufacture is disclosed that improves data retention, increases capacitive coupling and speed of operation, and improves reliability among other advantages. The flash cell according to the present invention limits the tunnel oxide to a window having dimensions at the minimum feature size located over the drain side of the transistor. The tunnel oxide window is separated from the field oxide and has no edges abutting field oxide.