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. 17, 1990
Filed:
Feb. 26, 1988
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toyota Chuo Kenkyusho, Aichi, JP;
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; B05D / ;
U.S. Cl.
CPC ...
428408 ; 427 38 ; 427 39 ; 427 41 ; 427 42 ; 427228 ; 428409 ; 428688 ;
Abstract
A ceramic member composed of a ceramic material which is coated with a solid lubricating film. The solid lubricating film is formed on the surface of the ceramic material by heating and evaporating in a vacuum atmosphere having a vacuum degree of not less than 10.sup.-4 Torr an organic material which has a vapor pressure of not more than 10.sup.-4 Torr at room temperature while implanting the ions of a gas element having an energy of not less than 1 keV on the surface of the organic material at the rate of not less than 1.times.10.sup.15 ions/cm.sup.2. A method of forming such a solid lubricating film on the surface of a ceramic material is also disclosed.