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Semiconductor device

  • US 4,197,555 A
  • Filed: 07/18/1978
  • Issued: 04/08/1980
  • Est. Priority Date: 12/29/1975
  • Status: Expired due to Term
First Claim
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1. A semiconductor device having a plurality of circuit elements formed therein, each of said plurality of circuit elements having more than one input terminal and each of said plurality of circuit elements having more than one output terminal, said semiconductor device having means for obtaining many kinds of desired circuits from the commonly formed device including a first connection layer having a standard pattern consisting of a plurality of redundant connection wires which are permanently connected to said output and input terminals of said plurality of circuit elements with said connection wires being arranged in parallel relationship to each other, a second connection layer which is arranged over the connection wire of said first connection layer and separated therefrom by an insulating layer, and consisting of a plurality of redundant connection wires arranged in parallel relationship to each other, and further arranged in a direction which intersects the parallel direction of the connection wires of said first connection layer, and means provided with said insulating layer between said first and second connection layers for providing interconnections therebetween, including via portions electrically connecting said first and second connection wires at cross points of said first and second connection wires.

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