Method and apparatus for cutting insulating material

Details Method and apparatus for cutting insulating material Method and apparatus for cutting insulating material

1976-04-29

1977-10-04

Reynolds, Bruce A.

Electric heating

Metal heating

Cutting or disintegrating

83 15, 83788, 219 69W, B23P 108

Patent

active

040525848

ABSTRACT:
A method and an apparatus for cutting insulating material (e.g., quartz) having a conductive layer on the surface thereof includes the use of a thin copper wire having diamond particles imbedded therein. The wire is moved in a direction perpendicular to the surface of the material. A source of potential is coupled between the wire and the layer, and a liquid solution is supplied between the wire and the conductive layer resulting in electro-erosion of portions of the layer proximate to the wire. A tension sensor detects wire displacements at the quartz cutting site and controls a wire-to-layer gap detector which in turn interrupts the displacement of the insulating material.

REFERENCES:
patent: 3723690 (1973-03-01), Nakada et al.
patent: 3731043 (1973-05-01), Ullmann et al.
patent: 3822374 (1974-07-01), Ullmann et al.
patent: 3849624 (1974-11-01), Dulebohn et al.
"Agiecot Dem 15" Industrial Electronics Ltd., 9/75.

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