Electroerosion recording material with polyorganosiloxane overla

Details Electroerosion recording material with polyorganosiloxane overla Electroerosion recording material with polyorganosiloxane overla

1983-12-30

1986-06-24

Lesmes, George F.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

3461351, 346162, 346163, 428219, 428336, 428447, 428450, G01D 1534

Patent

active

045967334

ABSTRACT:
For high speed electroerosion recording, this invention provides a polyorganosiloxane overlayer which includes high lubricity solid particles as a filler. The overlayer provides a combination lubricant and protective layer for the thin metal layer which is removed by electroerosion to prevent damage for the areas not removed by electroerosion. The polyorganosiloxane overlayer is preferably crosslinked, and is relatively hard, durable, and especially resistant to thermal degradation by the electroerosion arcing. This is important to avoid debris buildup at the recording electrodes resulting from the high temperature arcing for removal of the overlayer in the areas where recording takes place.

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