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. 09, 2002
Filed:
Jul. 18, 2000
Applicant:
Inventors:
Marcel P. J. Gaudreau, Lexington, MA (US);
Michael Kempkes, Westford, MA (US);
Timothy Hawkey, Lincoln, MA (US);
Assignee:
Diversified Technologies, Inc., Bedford, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/406 ; C23C 1/448 ; H05H 1/24 ; A63B 5/304 ;
U.S. Cl.
CPC ...
C23C 1/406 ; C23C 1/448 ; H05H 1/24 ; A63B 5/304 ;
Abstract
A method of coating an article wherein the method includes placing a large number N of non-industrial stock pieces in a vacuum chamber where N is a function of the cost of each stock piece, generating a plasma about the stock pieces, and supplying a current to the stock pieces at a level tailored to sufficiently coat each of the plurality of stock pieces with ion from the plasma and wherein the current level depends on the number N of stock pieces.