Patent ID: 6843406

Claim:
A method of manufacturing metal-to-metal and metal-to-ceramic interconnections comprising the steps of: a) forming a bond coat on a first metal part, b) applying a glass sealing matferial selected as consisting of at least three metal oxides of M1-M2-M3 wherein M1 is selected from the group consisting of BaO, SrO, CaO, MgO, and combinations thereof and wherein M1 is present in an amount from about 20 mol % to about 55 mol %, M2 is Al 2 O 3 and wherein M2 is present in an amount from 2 to 15 mol %, and M3 is SiO 2 with at least some B 2 O 3 and up to 50 mol % of B 2 O 3 and wherein M3 is present in an amount from about 40 mol % to about 70 mol % to said bond coat, and c) adhering a second part to said sealing material.