Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-06-29
1991-05-07
Weston, Caleb
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156256, 156264, B32B 3118
Patent
active
050133802
ABSTRACT:
In a process for producing an integrated structure of synthetic corundum single crystals, which is disclosed herein, a synthetic corundum single-crystal ingot is cut to form a first rectangular prism, and one face of the first rectangular prism is optically polished to form a second rectangular prism. Then, the second rectangular prism is cut, along a plane perpendicular to the optically polished face, into a first plate piece which is then surrounded with a jig, and upper and lower surfaces thereof are optically polished to form a second plate piece. The second plate pieces are put one on another with their plane, edges, axes and axial angles of the upper and lower optically-polished faces being aligned with one another, respectively by use of an incorporating jig. The superposed plate pieces are brought into chemical contact with one another and heated at a temperature lower than a melting point of the synthetic corundum, whereby they are closely joined or bonded.
REFERENCES:
patent: 3235428 (1966-02-01), Naymik
patent: 3964942 (1976-06-01), Berkenblit et al.
patent: 4671846 (1987-06-01), Shimbo et al.
O'Reilly David
Weston Caleb
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