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:
Feb. 27, 2018
Filed:
Mar. 26, 2012
Applicants:
Jürgen Ramm, Maienfeld, CH;
Beno Widrig, Bad Ragaz, CH;
Kurt Ruhm, Schaanwald, LI;
Inventors:
Assignee:
OERLIKON SURFACE SOLUTIONS AG, PFÄFFIKON, Pfäffikon SZ, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 14/00 (2006.01); C23C 14/32 (2006.01); H01J 37/32 (2006.01); H05B 7/148 (2006.01); H05B 7/20 (2006.01); H05H 1/46 (2006.01);
U.S. Cl.
CPC ...
H01J 37/32055 (2013.01); C23C 14/325 (2013.01); H01J 37/32064 (2013.01); H05B 7/148 (2013.01); H05B 7/20 (2013.01); H05H 2001/4682 (2013.01);
Abstract
The invention relates to a method for operating a pulsed discontinuous spark discharge. The spark is fed via a capacitor. Between the pulses there are switched-off time intervals during which no spark current flows. Within the pulses, that is to say during the switched-on time intervals, the supply of charge is stopped upon a current threshold being reached and is restarted, with the result that subpulses occur within the pulses. The time intervals and subpulses are chosen according to the invention such that when the capacitor is switched on again, the spark discharge readily ignites again.