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Resistor device and method of manufacturing the same

  • US 8,203,422 B2
  • Filed: 11/17/2008
  • Issued: 06/19/2012
  • Est. Priority Date: 11/22/2007
  • Status: Active Grant
First Claim
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1. A resistor device comprising:

  • an insulative base body containing glass;

    a first protective film, which does not contain glass, and which comprises a metal oxide film, formed on a surface of said base body; and

    a thick film resistor containing conductive material and glass formed on said first protective film;

    wherein said glass contained in said insulative base body is prevented from diffusing into said thick film resistor.

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