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. 09, 1999
Filed:
Dec. 24, 1997
Applicant:
Inventors:
Ho Cheol Kang, Kwacheon-shi, KR;
Jong Oh Kim, Sungbuk-ku, KR;
Assignee:
Hyundai Electronics Industries Co., Ltd., Kyungki-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C / ;
U.S. Cl.
CPC ...
36518533 ; 36518533 ; 36518527 ; 36518528 ; 36518529 ; 257317 ;
Abstract
The present invention discloses a flash memory array in which four memory cells formed on a silicon substrate having a double well structure hold a source region or a drain region in common so that the area occupied by contact holes can be minimized and integration of device can be enhanced.