×

Arc detection and handling in radio frequency power applications

  • US 7,305,311 B2
  • Filed: 04/22/2005
  • Issued: 12/04/2007
  • Est. Priority Date: 04/22/2005
  • Status: Active Grant
First Claim
Patent Images

1. A method of delivering radio frequency power to a plasma load, comprising:

  • a) providing an RF power generator that transfers radio frequency power to the plasma load;

    b) measuring a value of a parameter related to the power transfer from the RF power generator to the plasma load;

    c) computing a dynamic boundary about the value of the parameter;

    d) measuring a subsequent value of the parameter; and

    e) indicating the occurrence of an arc within the plasma load if the subsequent value of the parameter exceeds the dynamic boundary.

View all claims
  • 2 Assignments
Timeline View
Assignment View
    ×
    ×