Electrical insulating material

Details Electrical insulating material Electrical insulating material

1986-11-13

1988-03-08

Thibodeau, Paul J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428336, 428480, B32B 2736

Patent

active

047299150

ABSTRACT:
Disclosed herein is an electrical insulating material which comprises biaxially oriented polyethylene naphthalate film having a center line average roughness of 0.008 to 0.08 .mu.m as measured on the surface thereof and a resistivity of 5.times.10.sup.7 to 5.times.10.sup.10 .OMEGA..multidot.cm as measured in the molten state.

REFERENCES:
patent: 3875119 (1975-04-01), Aoki et al.
patent: 3937754 (1976-02-01), Shimotsuma et al.
patent: 4198458 (1980-04-01), Mitsuishi et al.
patent: 4571361 (1986-02-01), Kawaguchi et al.
patent: 4619869 (1986-10-01), Kiriyama et al.

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