Electroerosion recording material with polyorganosiloxane...

Details Electroerosion recording material with polyorganosiloxane... Electroerosion recording material with polyorganosiloxane...

B - Operations, Transporting

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42/1, 253/10

B41M 5/24 (2006.01)

Patent

CA 1220027

YO983-045 IMPROVED ELECTROEROSION RECORDING MATERIAL WITH POLYORGANOSILOXANE OVERLAYER, AND IMPROVED OVERLAYER COMPOSITIONS ABSTRACT For high speed electroerosion recording, this invention provides a polyorganosiloxane over- layer which includes high lubricity solid par- ticles as a filler. The overlayer provides a combination lubricant and protective layer for the thin metal layer which is removed by elec- troerosion to prevent damage for the areas not removed by electroerosion. The polyorganosilox- ane overlayer is preferably crosslinked, and is relatively hard, durable, and especially resis- tant to thermal degradation by the electroero- sion 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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