Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1986-05-12
1987-06-02
Newsome, John H.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
219121PP, 239 85, 427423, B05D 108
Patent
active
046702903
ABSTRACT:
A multiple torch type plasma spray coating method and a multiple torch type plasma spray coating apparatus in which a main torch and an auxiliary torch are disposed so that their center axes may intersect each other, is improved in that laminar flow plasma is generated by the main torch, spray coating material is charged into the plasma flame in the proximity of the outlet of the main plasma torch, the plasma flame is blown onto an object to be treated, plasma is separated from the plasma flame just in front of the object to be treated, and the then left spray coating material is made to deposit onto the object to be treated.
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Itoh Tsutomu
Kitoh Masayuki
Matsuno Susumu
Mitsuyoshi Yusuke
Nagasaka Hideo
Kenkyusho Rikagaku
Newsome John H.
Onoda Cement Company, Ltd.
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