Surface modification of synthetic diamond for producing adherent

Details Surface modification of synthetic diamond for producing adherent Surface modification of synthetic diamond for producing adherent

1997-04-25

1998-12-29

Turner, A. A.

Stock material or miscellaneous articles

Self-sustaining carbon mass or layer with impregnant or...

428457, 428469, 428472, 428698, 428701, 428702, 20419238, 427534, 427542, 427 96, 427 99, 427249, 427309, 427314, 427350, 4273722, 427380, 4274192, B32B 1800

Patent

active

058538887

ABSTRACT:
An article and a method of making surface modified synthetic diamond substes at temperatures below 500.degree. C. for electronic packaging applications are described. The article consists of a synthetic diamond substrate, the surface of which has been modified by providing an adherent thin coating of a ceramic (alumina) material so as to enable metallization of synthetic diamond by current industrial methods. The method of surface modification comprises deposition of a thin transition metal layer on the synthetic diamond substrate prior to low temperature reactive vapor deposition of aluminum followed by annealing in an oxygen atmosphere.

REFERENCES:
patent: 5024680 (1991-06-01), Chen et al.
patent: 5126207 (1992-06-01), Chen et al.
patent: 5392982 (1995-02-01), Li
patent: 5587233 (1996-12-01), Konig et al.

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