Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1981-09-02
1983-07-12
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
29830, 100137, 100194, 100207, 156311, 156312, 156498, 1565831, 174 685, 428901, C09J 510
Patent
active
043929095
ABSTRACT:
A method and device for producing multilayer printed circuit boards, under the application of heat and pressure to a stack of printed circuit boards and interposed layers of thermosetting plastic, the multilayer stack being heated in a first press to a curing temperature above the flux point of the bonding layers, then precooled under continued pressure to a transfer temperature below the flux point and transferred to a second press, where it is aftercooled under pressure to ambient temperature. The press installation of the invention includes two independently operating multi-stage presses in a common press frame. The plates of the press stages are horizontally aligned in the open position of the two presses.
REFERENCES:
patent: 2903040 (1959-09-01), Schonzeit
patent: 3170189 (1965-02-01), Hutter
patent: 3223027 (1965-12-01), Sofa et al.
patent: 3374129 (1968-03-01), Boucher
patent: 3508330 (1970-04-01), Kubik
patent: 3654097 (1972-04-01), Segnan
patent: 3960635 (1976-06-01), La Roy et al.
Bernsau Peter
Bohn Hans
Staubitzer Fred
Stein Wolfgang
Gallagher John J.
Geiger Joseph A.
Robert Burkle GmbH & Co.
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