Metallized film

Details Metallized film Metallized film

1976-02-03

1977-09-20

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including variation in thickness

427 81, 427100, 428213, 428216, 428333, 428336, 428339, 428461, 428462, 428463, H01L 4110

Patent

active

040498590

ABSTRACT:
Metallized plastic films having deposited metal layers on both surfaces and being adapted for use as dielectric films, piezoelectric films or pyroelectric films are disclosed. At least a portion of the metal layer deposited on one surface of the film has a relatively increased thickness of 700 A or more and at least a portion of the metal layer deposited on the other surface has a relatively reduced thickness of 600 A or less. The increased thickness and reduced thickness portions are positioned opposite to one another. The thin layer permits rapid self recovery of localized dielectric breakdown, while the relatively thick layer provides better utility for the electric uses to which the film is put.

REFERENCES:
patent: 2302024 (1942-11-01), Goss, Jr.
patent: 3712849 (1973-11-01), Robbiati
patent: 3912830 (1975-10-01), Murayama et al.

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