Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1998-05-07
1999-11-23
Ball, Michael W.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156 8912, 1562731, 1562757, 65 43, 438466, 501 12, 501 66, B32B 3124
Patent
active
059893729
ABSTRACT:
A method of bonding two electrically conductive substrates together includes the steps of forming a dielectric layer between the substrates, with the layer being formed from a sol-gel solution. Through the application of a constant voltage an ionic depletion region is created in the dielectric layer. After the step of creating the ionic depletion region, the dielectric layer and substrates are heated such that an oxygen depletion region is created in one of the substrates. The sol-gel solution includes sodium aluminoborosilicate having about 75-90 mol % SiO.sub.2, about 5-20 mol % B.sub.2 O.sub.3, about 1-10 mol % Na.sub.2 O and about 0-5 mol % Al.sub.2 O.sub.3.
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Beni Ruth E.
Jordan Larry L.
Momoda Leslie A.
Olsen Harold M.
Ball Michael W.
Delco Electronics Corporation
Duraiswamy V. D.
Hughes Electronics Corporation
Sales M. W.
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