Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1989-07-14
1990-09-11
Pianalto, Bernard
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
427 39, 427 40, 427 41, 427163, 427250, 4272556, 4272557, 427296, 427322, 427404, 4274121, B05D 306
Patent
active
049561960
ABSTRACT:
In a method and in an apparatus for the production of a corrosion-resistant coating of high reflectivity on the surface of workpieces, especially reflector inserts formed from plastic, in a vacuum chamber with a glow-discharge cathode and an evaporator, there is deposited on a coating consisting of a protective lacquer a second coating of a polymer, preferably of hexadimethylsilane, then a third coating of a metal, preferably aluminum, and lastly a fourth coating of a polymer, preferably of hexadimethylsilane. Both the metal evaporation and the polymerization of the protective coatings on the reflective coating and on the lacquer coating are performed in the same vacuum chamber.
Eckert Klaus
Heimrich Stefan
Kubik Helmut
Pflueger Werner
Ruebsam Klemens
Leybold Aktiengesellschaft
Pianalto Bernard
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