Electroconductive composite plastic resin sheet

Stock material or miscellaneous articles – Structurally defined web or sheet – Including components having same physical characteristic in...

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428323, 428334, 428335, 428337, 4284242, 4284244, 4284247, 4284248, B32B 702, H01B 100

Patent

active

057832943

ABSTRACT:
Proposed is a novel electroconductive composite plastic resin sheet consisting of an insulating base sheet of a plastic resin and an electroconductive coating layer formed on at least one of the surfaces of the base sheet, which is suitable as a material of a carrier tape used in transportation, storage and mounting works of chip-formed electronic devices such as ICs. The electroconductive composite plastic resin sheet of the invention characteristically consists of:
(A) a base sheet having a thickness in the range from 100 to 1000 .mu.m formed from an electrically insulating polystyrene-based plastic resin; and
(B) a coating layer having a thickness in the range from 0.1 to 30 .mu.m formed on at least one surface of the base sheet from an electroconductive coating composition comprising:

REFERENCES:
patent: 5346736 (1994-09-01), Mizuno et al.

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