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Semiconductor AC switch

  • US 5,100,821 A
  • Filed: 12/24/1990
  • Issued: 03/31/1992
  • Est. Priority Date: 04/24/1989
  • Status: Expired due to Term
First Claim
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1. A method for forming a semiconductor device having thereon an integral battery, comprising:

  • providing a substrate having one or more semiconductor elements formed in a first surface thereof;

    covering the first surface of the substrate with a protective dielectric planarization layer having a smooth upper surface and of a material for protecting underlying semiconductor elements from an overlying battery; and

    providing an integral battery having a positive plate and a negative plate separated by a solid electrolyte, wherein the integral battery is formed on the protective dielectric planarization layer and both the positive plate and the negative plate are electrically coupled to the semiconductor elements.

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  • 6 Assignments
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