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:
Feb. 12, 2002
Filed:
Feb. 01, 2000
Applicant:
Inventors:
Arthur Arthur Wang, Saratoga, CA (US);
Jein-Chen Young, Milpitas, CA (US);
Ming-Sang Kwan, San Leandro, CA (US);
Assignee:
Hyundai Electronics America, San Jose, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 1/604 ;
U.S. Cl.
CPC ...
G11C 1/604 ;
Abstract
A method of erasing electrically a programmable memory cell which cell includes a transistor formed in a region of semiconductor material. The transistor has a source region, a drain region, a floating gate, and a control gate. The method includes lowering the control gate to a potential no more negative than 6.5 volts, disconnecting the source and drain regions from any potential source, and placing the region of semiconductor material at a potential no more positive than 8.0 volts.