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.

Date of Patent:
Oct. 11, 1983

Filed:

May. 04, 1981
Applicant:
Inventors:

Klaus-Jurgen Heimbach, Hattersheim, DE;

Walter Zultzke, Hanau, DE;

Assignee:

Leybold-Heraeus GmbH, Cologne, DE;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
118692 ; 118663 ; 118690 ; 118715 ; 118726 ;
Abstract

An apparatus for regulating the evaporation rate of oxidizable substances in reactive vacuum deposition by the metered addition of oxygen to a vacuum deposition chamber during deposition, wherein the addition of oxygen to a predetermined value, the pressure 'p' in the vacuum chamber is measured, and the evaporation rate 'r' for any pressure changes is regulated such that the ratio of pressure to evaporation rate p:r is maintained substantially constant.


Find Patent Forward Citations

Heimbach, Klaus-Jurgen. (1983). Apparatus for regulating the evaporation rate of oxidizable substances (U.S. Patent No. 4408563). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4408563

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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