Flat seal

Details Flat seal Flat seal

1995-07-07

1998-08-11

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310800, 310340, H01L 4108

Patent

active

057931500

ABSTRACT:
A flat seal having a first and a second sealing surface made of polymer material is disclosed. Each of the polymer sealing surfaces is made of a formed-fabric-reinforced cover layer. At least two of these cover layers together provide a flexible, electrical printed-circuit board, whose material completely surrounds electrical interconnect traces in the sealing areas. The interconnect traces are provided with connecting conductors, which are brought with terminal pads out of the printed-circuit board. The material of the cover layers has an electrical resistance of at least 10.sup.8 ohm and provides insulation for the interconnect traces.

REFERENCES:
patent: 3855507 (1974-12-01), Hoyler
patent: 4292106 (1981-09-01), Herschdorfer et al.
patent: 4643508 (1987-02-01), Schaller
patent: 4814943 (1989-03-01), Okuaki
patent: 4846698 (1989-07-01), Staiger et al.
patent: 4871595 (1989-10-01), Lusignea
patent: 5008360 (1991-04-01), Bard et al.
patent: 5126192 (1992-06-01), Chellis et al.
patent: 5182632 (1993-01-01), Bechtel et al.
patent: 5557843 (1996-09-01), McKenney et al.

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