Tank sensor circuit board for a fill level sensor in a vehicle tank

Tank sensor circuit board for a fill level sensor in a vehicle tank

  • CN 101,903,756 A
  • Filed: 12/04/2008
  • Published: 12/01/2010
  • Est. Priority Date: 12/19/2007
  • Status: Active Application
First Claim
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1. tank sensor circuit board that is used for the liquid level sensor of motor vehicle oil tank, described tank sensor circuit board has supporting member, on described supporting member, be coated with the surface of contact of argentiferous with thick film technology, it is characterized in that described surface of contact (18) comprising:

  • be coated in silver layer (2) or Ag containing layer on the first surface (3) of described supporting member (1);

    Completely or partially cover overlayer (7,8) described Ag containing layer (2,5) or described silver layer, nickeliferous, palladium and gold.

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