Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1990-08-28
1992-12-29
Beck, Shrive
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
4273855, 427335, 427375, C23C 2600
Patent
active
051750236
ABSTRACT:
The present invention relates to an insulating coating material for an electronic circuit board, an insulating coating layer for an electronic circuit board, and a method for forming such insulating coating layer, and the insulating coating material is a solution comprising a thermoplastic resin and a solvent containing a low boiling solvent, which solution can be prevented from dropping after its application onto the electronic circuit board, and the insulating coating layer is formed using the coating material on the surface of the electronic circuit board having edge portions thereon so that the coating thickness at the edge portions and that at the other portion than the edge portions are almost equal to each other, further, the method for forming such insulating coating layer is characterized by forming the coating layer using the above insulating coating material according to a spray method or a dipping method.
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Beck Shrive
Dang Vi Duong
Nippondenso Co. Ltd.
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