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:
Aug. 25, 2009
Filed:
Sep. 19, 2005
Yoko Kajita, Kanagawa, JP;
Ichiro Koiwa, Tokyo, JP;
Takao Kanehara, Tokyo, JP;
Kinya Ashikaga, Tokyo, JP;
Kazuhide Abe, Tokyo, JP;
Yoko Kajita, Kanagawa, JP;
Ichiro Koiwa, Tokyo, JP;
Takao Kanehara, Tokyo, JP;
Kinya Ashikaga, Tokyo, JP;
Kazuhide Abe, Tokyo, JP;
Oki Semiconductor Co., Ltd., Tokyo, JP;
Abstract
A hybrid memory device includes a plurality of regions including a memory cell array region upon which are formed a plurality of memory cells and a logic circuit region upon which is formed a logic circuit device, and is provided with a liner oxide layer formed on a region covering the logic circuit region except the memory cell array region and a cover layer formed on the liner oxide layer while extending to the memory cell array region.