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US Patent 7929261 Suppressing arc discharges

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Is a
Patent
Patent
1

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
1
Patent Number
79292611
Patent Inventor Names
Peter Wiedemuth1
Date of Patent
April 19, 2011
1
Patent Application Number
120443381
Date Filed
March 7, 2008
1
Patent Citations Received
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US Patent 12125673 Pulsed voltage source for plasma processing applications
2
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US Patent 11984306 Plasma chamber and chamber component cleaning methods
3
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4
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US Patent 12106938 Distortion current mitigation in a radio frequency plasma processing chamber
5
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US Patent 12111341 In-situ electric field detection method and apparatus
6
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US Patent 11776788 Pulsed voltage boost for substrate processing
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US Patent 11776789 Plasma processing assembly using pulsed-voltage and radio-frequency power
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US Patent 11791138 Automatic electrostatic chuck bias compensation during plasma processing
...
Patent Primary Examiner
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Ronald W. Leja
1
Patent abstract

For suppressing arc discharges in a plasma process, a method includes monitoring of at least one parameter of the plasma process, determining a temporal feature of a first countermeasure and performing the first countermeasure. The temporal feature is determined as a function of, for example, at least one of an interval in time from at least one previous countermeasure, a development of the at least one parameter since a relevant time of introduction of the countermeasure, or since a variable period of time ahead of the relevant time of introduction of the countermeasure, and a differentiation as to whether a previous countermeasure was triggered based on the behavior of the at least one parameter, or based on the interval in time from at least one previous countermeasure.

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