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Fe-Ni alloy having high strength and low thermal expansion, a shadow mask made of the alloy, a braun tube with the shadow mask, a lead frame made of the alloy and a semiconductor element with lead frame

  • US 20020006350A1
  • Filed: 03/19/2001
  • Published: 01/17/2002
  • Est. Priority Date: 03/17/2000
  • Status: Active Grant
First Claim
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1. An Fe—

  • Ni alloy having high strength and low thermal expansion, consisting essentially of, by mass percent, 30 to 50% of Ni, 0.005 to 0.1% of Nb, less than 0.01% of C, 0.002 to 0.02% of N, and the balance of Fe and inevitable impurities, wherein the following equation is fulfilled;

    0.000013≦

    (% Nb)×

    (% N)≦

    0.002.

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