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:
Nov. 06, 2007
Filed:
Jun. 21, 2004
Applicants:
Irfan Rahim, Milpitas, CA (US);
Fangyun Richter, San Jose, CA (US);
Inventors:
Irfan Rahim, Milpitas, CA (US);
Fangyun Richter, San Jose, CA (US);
Assignee:
Altera Corporation, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/8247 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of fabricating a non-volatile memory cell on a semiconductor substrate is disclosed. An area of a first region of the semiconductor substrate designated for a layer of floating polysilicon is blocked while a second region of the semiconductor substrate designated for a layer of non-floating polysilicon is exposed. Exposed regions of the semiconductor substrate are doped with charges.