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:
Jun. 23, 2015
Filed:
Dec. 18, 2014
Rohm Co., Ltd., Kyoto, JP;
Yoshikazu Fujimori, Kyoto, JP;
Hiromitsu Kimura, Kyoto, JP;
Toshiyuki Kanaya, Kyoto, JP;
Daisuke Notsu, Kyoto, JP;
Rohm Co., Ltd., Kyoto, JP;
Abstract
A data holding device includes a loop structure unit configured to hold data using a plurality of logic gates connected in a loop shape, a nonvolatile storage unit including a plurality of ferroelectric elements, the nonvolatile storage unit configured to store the data held in the loop structure unit in a nonvolatile manner using hysteresis characteristics of the ferroelectric elements, and a circuit separation unit configured to electrically separate the loop structure unit and the nonvolatile storage unit. The ferroelectric elements of the nonvolatile storage unit are surrounded by a dummy element smaller in width than the ferroelectric elements.