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:
Jan. 11, 2000
Filed:
Mar. 09, 1998
Applicant:
Inventors:
Assignee:
Japan Electronic Materials Corp., Amagasaki, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
205224 ; 205149 ; 205228 ;
Abstract
A method of reforming a tungsten probe tip includes forming a non-oxidizing metallic film on the surface of the tungsten probe tip, heating the film in a non-oxidizing atmosphere or vacuum, and diffusing the film into the tungsten probe tip. The non-oxidizing metallic film can be formed from a metal such as gold, platinum, rhodium, palladium, and iridium. The reformed tungsten probe tip can be used in low voltage and low current testing, and has excellent abrasion resistance, conductivity and oxidation resistance.