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:
Mar. 13, 2001
Filed:
Jun. 07, 1995
Applicant:
Inventor:
Agerico L. Esquivel, Dallas, TX (US);
Assignee:
Texas Instruments Incorporated, Dallas, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 2/9788 ; H01L 2/976 ; H01L 2/994 ; H01L 3/1062 ;
U.S. Cl.
CPC ...
H01L 2/9788 ; H01L 2/976 ; H01L 2/994 ; H01L 3/1062 ;
Abstract
A programmable memory device having slot trenches (,). A plurality of floating gates (,) are separated from a surface of semiconductor body (,) by a gate dielectric (,). A plurality of slot trenches (,) isolate memory cells (,) from each other. Each of the slot trenches (,) extends below the surface of the semiconductor body (,) between adjacent floating gates (,). A control gate (,) extends over the floating gates (,) and a portion of each of the slot trenches (,).