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, 1977
Filed:
Aug. 13, 1975
Applicant:
Inventors:
Ernest A Davey, Peabody, MA (US);
Norman A Mathieu, Exeter, NH (US);
Edward D Parent, Hamilton, MA (US);
Assignee:
GTE Sylvania Incorporated, Danvers, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
219275 ; 21119 ;
Abstract
In an evaporation source for the vacuum deposition of sublimating material, the evaporant surrounds, and is spaced from, an axially disposed coiled tungsten heater. The evaporated material passes out of the source in an upward direction to deposit on a substrate located above the source.