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:
May. 24, 2005
Filed:
Mar. 27, 2002
Applicant:
Tung-cheng Kuo, Yilan Hsien, TW;
Inventor:
Tung-Cheng Kuo, Yilan Hsien, TW;
Assignee:
Macronix International Co., Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C016/04 ;
U.S. Cl.
CPC ...
Abstract
A method for fabricating an embedded flash ROM structure having code cells and data cells. A substrate is provided and then a plurality of bit lines are formed over the substrate. A plurality of isolation structures are formed over the bit lines and a charge trapping layer is formed between the isolation structures. A plurality of word lines are formed over the isolation structures and the charge trapping layer to form the embedded flash ROM structure. According to requirement, embedded flash ROM structure is divided into a code cell region and a data cell region.