Mandrel for use in nickel vapor deposition processes and nickel

Details Mandrel for use in nickel vapor deposition processes and nickel Mandrel for use in nickel vapor deposition processes and nickel

1992-08-24

1995-11-28

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Including a second component containing structurally defined...

428 346, 428 347, 428 3691, 428329, 428413, 428417, 428418, 428430, 428433, 428435, 428436, 428446, 428450, 428451, 428458, 428461, 428689, 428702, 492 53, 492 59, 106 382, 106 383, 106 3835, 106 389, B32B 1800

Patent

active

054706513

ABSTRACT:
Mandrels for use in the manufacture of nickel shells by vapour deposition of nickel from gaseous nickel carbonyl. The mandrels comprise a body formed of a composite material of a matrix, for example, a ceramic material or an organic polymeric compound, and a filler, for example, metal, metal oxides, carbon in particulate form and having the same coefficient of thermal expansion as nickel. The invention includes processes of manufacturing the shells using the composite mandrel and shells made thereby. The shells have improved non-deformability in operation and are of use as molds in the mass production of plastic articles.

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