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(11) | EP 0 167 352 A3 |
| (12) | EUROPEAN PATENT APPLICATION |
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| (54) | Imaging method, apparatus, and product |
| (57) A method for generating a latent image on a substrate surface using a low current
(e.g., less than about 2x10-3 amperes), non-pulsating electrical discharge. The method may be used, for example,
to image lithographic plates, with a resolution of approximately 1,000 lines/inch,
directly from a digital source of image data. The discharge is confined within a thin
stream of a relatively inert gas (48) which is directed at the plate surface (20)
with a velocity of at least about Mach 0.05. |