Method for electrostatographically producing master images for d

Details Method for electrostatographically producing master images for d Method for electrostatographically producing master images for d

1997-12-16

1999-10-12

Beatty, Robert

Electrophotography

Image formation

Formation of master, photocopy-printer

399252, 101DIG37, 430111, 430126, G03G 1522, B41M 134

Patent

active

059665718

ABSTRACT:
An electrostatic method for producing a master image for decorating ceramic, enamel or glass objects comprising the steps of:
providing a temporary support having a surface with release properties,
image-wise depositing charged toner particles, having a volume average particle size d.sub.v50t, such that 5 .mu.m<d.sub.v50t <15 .mu.m and including particles of a ceramic pigment, CP, having a volumetric particle size distribution such that 90% of the particles have a diameter lower than 2/3 times d.sub.v50t and
providing particles of glazing material, having a volumetric particle size distribution such that 90% of the particles have a diameter lower than d.sub.v50t, in the master image. Preferably the glazing material is formed in the master image by image-wise depositing toner particles comprising both a ceramic pigment and glazing material.

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Patent Abstracts of Japan, vol. 11, No. 170, Jun. 2, 1987 and JP 62 002272 A, Jan. 8, 1987 (Mitsubishi Chem Ind Ltd).

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