Ignition apparatus for arc sources
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United States of America Patent
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Mar 21, 2017
Grant Date -
Feb 20, 2014
app pub date -
Aug 9, 2013
filing date -
Nov 12, 2008
priority date (Note) -
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Abstract
The present invention relates to an ignition device for igniting a high-current discharge of an electrical arc evaporator in a vacuum coating system. Ignition is performed by means of mechanically closing and opening a contact between the cathode and the anode. Contact is established by means of an ignition finger that can move on a forced path. On account of the forced path, the ignition finger can be moved by means of a simple mechanical drive to a park position, which is protected against coating, and said ignition finger can also be used to ignite a second target.
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