Recorders – Record receivers and/or driving means therefor – Laminated – impregnated – or coated bases
Patent
1983-12-30
1986-01-28
Hartary, Joseph W.
Recorders
Record receivers and/or driving means therefor
Laminated, impregnated, or coated bases
427121, 428323, 428327, 428461, 428469, 430495, 430524, G01D 1534, B05D 512, B32B 516, G03C 524
Patent
active
045674906
ABSTRACT:
Electroerosion recording materials are provided with a surface lubricant film of particulate lubricating nonconductive graphite fluoride and optional conductive materials in a polymeric binder. The lubricating agents reduce stylus scratching of the conductive layer during electroerosion printing, improve contrast, provide a beneficial coating on the writing electrode or stylus and improve the handling and writing characteristics of the recording material. The lubricating agents/polymer films are especially useful (1) where the substrate of the recording material is light transmissive and, after the electroerosion process, the resulting product is suitable for direct-negative applications and (2) where direct offset masters are produced by removal of noneroded lubricant film.
REFERENCES:
patent: 3983564 (1976-09-01), Nakazawa et al.
patent: 4371879 (1983-02-01), Hohn et al.
patent: 4400706 (1983-08-01), Takemura et al.
patent: 4423132 (1983-12-01), Kondo et al.
Radiation Chem., Photochem. Publ., vol. 85, 1976, Item 85:85533d, Pressure Sensitive Copying.
Ozark-Mahoning Bulletin, Fluorographite.TM. Polymers.
Afzali-Ardakani Ali
Cohen Mitchell S.
Pennington Keith S.
Sachdev Krishna G.
Clark George E.
Hartary Joseph W.
International Business Machines - Corporation
Preston Gerald E.
Stanland Jackson E.
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