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. 04, 2002
Filed:
Jul. 05, 2000
Applicant:
Inventors:
Masayuki Suzuki, Kanagawa, JP;
Yuichi Ishida, Kanagawa, JP;
Naomi Nagasawa, Kanagawa, JP;
Takaaki Ami, Kanagawa, JP;
Teiichiro Nishimura, Kanagawa, JP;
Assignee:
Sony Corporation, , JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B02F 1/00 ;
U.S. Cl.
CPC ...
B02F 1/00 ;
Abstract
A solid-state displacement element includes an inorganic layered compound having a layered structure and an organic substance inserted between layers of the inorganic layered compound. The solid-state displacement element expands or contracts in the lamination direction of the inorganic layered compound when irradiated with controlling light. An optical element and an interference filter using the same principle of expansion or contraction as that in the solid-state displacement element are also disclosed.