摘要 |
An integrated circuit, comprising: a semiconductor substrate, a plurality of last metal conductors disposed above said substrate, a bottom metallic layer disposed on said last metal conductors, a top metallic layer, and an alpha absorber disposed between said bottom and top metallic layers, said alpha absorber consisting essentially of a high-purity metal which is an alpha-particle absorber. The metal is, for example, of Ta, W, Re, Os or Ir.
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