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Probe for use in determining an attribute of a coating on a substrate

  • US 7,148,712 B1
  • Filed: 06/24/2005
  • Issued: 12/12/2006
  • Est. Priority Date: 06/24/2005
  • Status: Expired due to Fees
First Claim
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1. A probe for providing electrical communication between a coating on a substrate and a processing system that determines an attribute of the coating, such as the thickness of the coating, by detection of phenomena resulting from the application of electrical energy to the probe in contact with the coating, said probe comprising:

  • a housing;

    at least one contact mounted within said housing;

    an electrical circuit adapted to provide electrical communication between said contact and said processing system; and

    at least one electrically conductive engaging member that (1) has a distal end projecting outwardly for engaging said coating, (2) has a proximal portion in said housing for engaging said at least one contact and for accommodating disengagement from said at least one contact, and (3) is captivated partially in an electrically insulating captivation structure which can be removed from said housing together with said at least one electrically conductive engaging member.

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