Impact resistant layer for a circuit board

Details Impact resistant layer for a circuit board Impact resistant layer for a circuit board

1990-08-30

1992-05-05

Picard, Leo P.

Electricity: electrical systems and devices

Electrostatic capacitors

Fixed capacitor

174256, H05K 500, H05K 100

Patent

active

051113643

ABSTRACT:
A resist film for protecting a circuit pattern is coated onto a circuit pattern formed on a circuit board, and further, a part of the resist film with which another unit comes into contact is coated with a thermosetting film. Namely, the other unit is brought into contact with a part of the circuit pattern coated with the thermosetting film, and thus, the other unit and the resist film do not come into contact with each other directly, regardless of whether or not the other unit has a high temperature.

REFERENCES:
patent: 4670351 (1987-06-01), Keane et al.
patent: 4677252 (1987-06-01), Takashi et al.
patent: 4688020 (1987-08-01), Kuehneman et al.
patent: 4858071 (1989-08-01), Manabe et al.
patent: 4961806 (1990-10-01), Gerrie et al.
"Elastomers", J. P. Mathews, Machine Design 1971 Plastics/Elastomers Reference Issue, Feb. 11, 1971, pp. 154-166.
"Bubble-Free Protective Coating", D. R. McGough, IBM Technical Disclosure Bulletin, Dec., 1963, vol. 6, No. 7, p. 4.

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