Process for production of electronic devices utilizing novolak r

Details Process for production of electronic devices utilizing novolak r Process for production of electronic devices utilizing novolak r

1988-11-08

1990-01-02

Chaudhuri, Olik

Fishing, trapping, and vermin destroying

437229, 437231, 156636, H01L 21304, H01L 21306

Patent

active

048913340

ABSTRACT:
A protective material for electronic parts comprises monoalkylated phenol.formaldehyde novolak resin having 6 to 12 carbon atoms in the alkyl group, and a process for the production of electronic parts, which comprises the following steps A to C:

REFERENCES:
patent: 4266334 (1981-05-01), Edwards et al.
patent: 4294911 (1981-10-01), Guild
patent: 4308368 (1981-12-01), Kubo et al.

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