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:
Mar. 03, 2009
Filed:
May. 07, 2003
Devendra Kumar, Rochester Hills, MI (US);
Satyendra Kumar, Troy, MI (US);
Devendra Kumar, Rochester Hills, MI (US);
Satyendra Kumar, Troy, MI (US);
BTU International Inc., N. Billerica, MA (US);
Abstract
Methods and apparatus are provided for igniting, modulating, and sustaining a plasma () for coating objects (). In one embodiment, a method of coating a surface of an object () includes forming a plasma () in a cavity () by subjecting a gas to electromagnetic radiation in the presence of a plasma catalyst () and adding at least one coating material () to the plasma () by energizing the material () with, for example, a laser (). The material () is allowed to deposit on the surface of the object () to form a coating. Various types of plasma () catalysts are also provided.