Coating apparatus – Gas or vapor deposition – Running length work
Patent
1987-09-02
1988-08-16
Lawrence, Evan K.
Coating apparatus
Gas or vapor deposition
Running length work
118719, 118723, 118 501, 204298, C23C 1456, C23C 1654
Patent
active
047636017
ABSTRACT:
A continuous composite coating apparatus for coating a continuous strip has a pair of strip supply/take-up devices and at least two of a plasma chemical vapor deposition coating zone, an ion-plating coating zone and a sputtering coating zone which are arranged in series along the path of said strip between the strip supply/take-up devices. The adjacent coating zones are separated from each other by a partition wall having a slit which is sized to allow the strip to pass therethrough and guide rollers are provided adjacent to the upper edge of the strip so as to tense the strip such that the path of the strip is slightly convex downwards thereby to keep the strip away from the upper and lower edges of the slit. The coating zones are arranged to effect coating only on the underside of the strip which is not contacted by the guide rollers, whereby a coating layer having excellent properties without any defect can be formed on the underside of the strip.
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Ito Isao
Ito Satoshi
Okubo Naotake
Saida Seishiro
Lawrence Evan K.
Nippon Steel Corporation
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