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:
Dec. 26, 2006
Filed:
Nov. 22, 2004
Applicant:
Shinzo Sakuma, Tokyo, JP;
Inventor:
Shinzo Sakuma, Tokyo, JP;
Assignee:
Oki Electric Industry Co., Ltd, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11C 11/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for the manufacture of a ferroelectric memory. The ferroelectric memory includes a plurality of memory cells for storing binary data as polarization states of a ferroelectric. The method includes a data writing step of writing those binary data which will be read at a potential level lower than a reference potential level during data reading, to all of the memory cells prior to a heat treatment step.