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Direct liquid phase bonding of ceramics to metals

  • US 4,602,731 A
  • Filed: 12/24/1984
  • Issued: 07/29/1986
  • Est. Priority Date: 12/24/1984
  • Status: Expired due to Fees
First Claim
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1. A method of bonding at least two material layers together, at least one layer being a ceramic, comprising the steps of cleaning the surfaces of the layers to be bonded, plating a brazing alloy sheet with nickel, nickel-lead or cobalt-lead, sandwiching the plated brazing alloy between the material layers to be bonded, heating the material layers and brazing alloy to a temperature in the range of 1100°

  • to 1200°

    F. for a time period of three to five minutes in an inert atmosphere or vacuum, and cooling the bonded article.

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