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:
Nov. 30, 1993
Filed:
Jan. 21, 1993
Applicant:
Inventors:
Siegfried Beisswenger, Alzenau-Wasserlos, DE;
Anton Pawlakowitsch, Mombris, DE;
Reiner Kukla, Hanau, DE;
Assignee:
Leybold AG, Hanau, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
118726 ; 118719 ; 392388 ;
Abstract
A vacuum chamber contains means for transferring a substrate for an information disc such as a CD from a loading station to a coating station, where material such as aluminum in wire form is evaporated in order to coat the substrate from above. An evaporation nozzle is continuously supplied with wire at a rate according to the coating thickness. The nozzle may be heated either resistively in order to evaporate the wire therein, or the wire may be directly heated by an induction coil.