Method of coating ceramics and quartz crucibles with material el

Details Method of coating ceramics and quartz crucibles with material el Method of coating ceramics and quartz crucibles with material el

1984-05-25

1985-03-19

Newsome, John H.

Coating processes

Electrical product produced

Integrated circuit, printed circuit, or circuit board

118723, 118726, 427250, 427295, B05D 306

Patent

active

045059489

ABSTRACT:
Quartz crucibles for the melting of silicon and ceramic substrates are coated with protective materials or metals at least in part evaporated from an electrode with which an arc is struck at low voltage and current to deposit material from the electrode on the substrate in a vacuum chamber. The electrode may be heated and the substrate may be sandblasted and preheated.

REFERENCES:
patent: 1221104 (1917-04-01), Stolle
patent: 3010009 (1961-11-01), Ducati
patent: 3036549 (1962-05-01), Iwata et al.
patent: 3491015 (1970-01-01), Naff
patent: 3925177 (1975-12-01), Kofoid
patent: 4333962 (1982-06-01), Pulker et al.
Article "Nickel Ferrite Thick Films Deposited by Vacuum-Arc Discharge" by Masahiko Naoe et al., Tokyo Institute of Technology (1979)--in English.

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