Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – Chamber enclosing work during bonding and/or assembly
Patent
1985-09-27
1991-01-22
Cashion, Jr., Merrell C.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
Chamber enclosing work during bonding and/or assembly
156580, 1565833, B32B 3100
Patent
active
049868705
ABSTRACT:
A method and apparatus for laminating multilayer printed circuit boards having both rigid and flexible portions. The multilayers of a multilayer printed circuit board are positioned on a lower lamination plate which rests on a bleeder plate which itself rests on a vacuum plate. The circuit layers are then covered with another steel plate, a sheet of silicon material, a breather blanket and a plastic vacuum bag which is hermetically sealed to the vacuum plate using a silicon sealing material. The vacuum plate and the components thereon are positioned within a pressure vessel, a vacuum line is connected to the vacuum plate and the multiple layers of the multilayer printed circuit board are laminated within the pressure vessel.
REFERENCES:
patent: 2267721 (1941-12-01), Elmendorf
patent: 3433699 (1969-03-01), Rumble
patent: 3493451 (1970-02-01), Beery
patent: 3818823 (1974-06-01), Bond
patent: 3852136 (1974-12-01), Plumat et al.
patent: 4300978 (1981-11-01), Whitemore
patent: 4421589 (1983-12-01), Armini et al.
Cashion Jr. Merrell C.
R.W.Q., Inc.
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