Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1987-07-07
1988-09-13
Lawrence, Evan K.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427185, 427195, 427289, 427292, 427358, B05D 106, B05D 114, B05D 124, B05D 312
Patent
active
047708964
ABSTRACT:
An output scanner exposure cylinder perforated to allow exposure film to be held on to the cylinder by vacuum comprises a metal substrate carrying a coating of cured black resin composition which has been machined to e.g., a thickness of 0.1 to 1.5 mm. The resin is usually an epoxy resin and is applied as a powder and cured by heating.
REFERENCES:
patent: 4528909 (1985-07-01), Rigg et al.
Crown Colin
Last Edward H.
Crosfield Electronics
Lawrence Evan K.
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