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Electroerosion Recording Paper

IP.com Disclosure Number: IPCOM000064867D
Original Publication Date: 1985-Sep-01
Included in the Prior Art Database: 2005-Feb-19

Publishing Venue

IBM

Related People

Authors:
Afzali-Ardakani, A Cohen, MS Pennington, KS Sachdev, KG [+details]

Abstract

Electroerosion recording papers are commercially available for printing applications, and generally employ a paper support which is overcoated first with a black organic underlayer, and then with a thin white- appearing overlayer which is locally removed during writing in order to reveal the black underlayer. The white-appearing overlayer is usually a thin, vacuum-deposited aluminum layer. Multiple styli are set in a head which sweeps across the page while maintaining good electrical contact between the styli tips and the aluminum layer. When an area is to be printed, a pulse is applied to the appropriate stylus at the correct time, resulting in an arc between the stylus and the aluminum.