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:
Oct. 18, 1994
Filed:
May. 20, 1993
Applicant:
Inventors:
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
310323 ; 310340 ;
Abstract
An ultrasonic motor characterized by comprising: an ultrasonic oscillator for generating ultrasonic oscillation on a specific surface; a movable body pressure-bonded to a specific surface of the ultrasonic oscillator for moving the movable body by the ultrasonic oscillator in a given direction by ultrasonic oscillation; and a sliding element provided on one of a contact surface of the ultrasonic oscillator and a contact surface of the movable body and having a porous oxide coating in which hydrators are formed to substantially fill small holes in the oxide coating.
Published as: