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:
Apr. 06, 2010
Filed:
Jan. 25, 2006
Applicants:
Midori Kato, Kawagoe, JP;
Masayoshi Ishibashi, Tokyo, JP;
Inventors:
Midori Kato, Kawagoe, JP;
Masayoshi Ishibashi, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A material for an actuator is provided which is reduced in weight, can be micro-miniaturized and can be used stably in a gas phase such as in atmospheric air safely, and an actuator using the material is provided. The material used for the actuator comprises a material formed by mixing fine conductive particles with a polymer material having a large absolute value of thermal expansion coefficient.