Chemistry: electrical and wave energy – Processes and products – Electrostatic field or electrical discharge
Patent
1992-01-23
1993-05-25
Valentine, Donald R.
Chemistry: electrical and wave energy
Processes and products
Electrostatic field or electrical discharge
204DIG9, 20412975, C25F 304
Patent
active
052136663
ABSTRACT:
A method of preparing a support for a lithographic printing plate which comprises roughing electrochemically the surface of an aluminum plate which is rendered an anode in an aqueous neutral salt solution by supplying pulse-formed electric potential. According to this method uniform deep pits can be obtained easily.
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Fuji Photo Film Co. , Ltd.
Valentine Donald R.
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