Method of making a long narrow opening in a layer of electricall

Details Method of making a long narrow opening in a layer of electricall Method of making a long narrow opening in a layer of electricall

1988-07-06

1990-11-20

Ball, Michael W.

Plastic and nonmetallic article shaping or treating: processes

Forming electrical articles by shaping electroconductive...

83171, 83875, 264154, 264163, C04B 3500

Patent

active

049717413

ABSTRACT:
A method of forming a long narrow opening in a layer of electrically conductive material on a carrier of synthetic resin material. A cut, extending into the carrier, is made with a cutting tool having a temperature within the melting range of the material of the carrier. The cutting tool takes the form of a gouge which is disposed at an angle to the plane of the carrier with its concave side facing the carrier. The carrier performs a relative movement relative to the gouge in the direction of the concave side of the gouge.
The material removed from the layer of electrically conductive material is picked up by a pick-up device and removed from the gouge in the form of a ribbon.

REFERENCES:
patent: 2157151 (1932-04-01), Stackhouse
patent: 4083390 (1978-04-01), Ingham
patent: 4225633 (1980-09-01), Spierings
patent: 4306928 (1981-12-01), Okui
patent: 4656910 (1987-04-01), Peterson
patent: 4683048 (1987-07-01), Yamada et al.

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