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Perforated susceptor for microwave cooking

  • US 5,294,765 A
  • Filed: 06/26/1991
  • Issued: 03/15/1994
  • Est. Priority Date: 06/26/1991
  • Status: Expired due to Fees
First Claim
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1. For use in microwave heating of food products, a susceptor comprising:

  • a substrate; and

    a thin layer of microwave-interactive material deposited on said substrate having a coefficient of thermal expansion different from that of said substrate, said layer having a plurality of perforations distributed over the surface thereof without corresponding openings in said substrate, said perforations are substantially round and between about 0.025 to 0.060 inches in diameter, said perforations inhibiting the breakup of said susceptor when said susceptor is subjected to microwave energy.

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