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Proceedings Paper

Ion printing: past, present, and future
Author(s): Richard A. Fotland
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Paper Abstract

In 1842 Ronalds called down lightning from the sky to generate the world's first ion print. His "Recorder of Atmospheric Electrical Events" employed a wire, supported from an elevated anchor paint, as a atmospheric charge collector. The wire was connected to a stylus which radially traversed a rotating insulating disk to form a spiral track on the surface of the disk. When the potential across the recording gap at the tip of the stylus exceeded the breakdown strength of air, a discharge occurred which formed an electrostatic latent image on the surface of the insulating disk.

Paper Details

Date Published: 1 May 1990
PDF: 7 pages
Proc. SPIE 1252, Hard Copy and Printing Technologies, (1 May 1990); doi: 10.1117/12.19767
Show Author Affiliations
Richard A. Fotland, Dennison Manufacturing Co. (United States)


Published in SPIE Proceedings Vol. 1252:
Hard Copy and Printing Technologies
Ken-Ichi Shimazu, Editor(s)

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