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Semiconductor device with spiral inductor and method for fabricating semiconductor integrated circuit device

  • US 6,730,983 B2
  • Filed: 09/24/2001
  • Issued: 05/04/2004
  • Est. Priority Date: 09/28/2000
  • Status: Expired due to Fees
First Claim
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1. A semiconductor device comprising:

  • a substrate;

    a plurality of protruding portions which are formed on the top face of the substrate; and

    a conductive layer wiring which is formed on the substrate so as to have a spiral shape and which serve as an induction element, wherein all of said protruding portions are formed only in a region other than a region directly below said conductive layer wiring.

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