Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1978-11-13
1980-01-29
Hoffman, James R.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
428412, B05D 724
Patent
active
041862210
ABSTRACT:
A method of providing a uniform and tenaciously adhered hard inorganic glass layer on a polycarbonate substrate which comprises vaporizing the glass in vacuum and precipitating said glass on the polycarbonate substrate using radio frequency induction heating means to vaporize said glass.
REFERENCES:
patent: 3645779 (1972-02-01), Kienel
patent: 3713869 (1973-01-01), Geffcken et al.
Hall Walter L.
Humphrey, Jr. James S.
General Electric Company
Hoffman James R.
Kapustij Myron B.
Mufatti William F.
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