Thermal stencil plate making method

Details Thermal stencil plate making method Thermal stencil plate making method

1993-09-27

1995-05-23

Burr, Edgar S.

Printing

Stenciling

Stencils

1011284, 40012013, 347171, B41C 1055

Patent

active

054171563

ABSTRACT:
A thermal stencil plate making method, by which a perforation image is formed on a thermal stencil original sheet comprising a thermoplastic resin film and a porous support laminated on each other or a thermal stencil original sheet composed substantially only of a thermoplastic resin film by applying thermal energy to the thermal stencil original sheet by means of a thermal head, is characterized in that a distance between heating elements in the thermal head: d (.mu.m) and a thickness of a heating element protection layer: T (.mu.m) satisfy the following condition of Equation (1) and that a secondary scan direction heating element spacing between heating elements in the thermal head: D (.mu.m) and the thickness of the heating element protection layer: T (.mu.m) satisfy the following condition of Equation (2):

REFERENCES:
patent: 5216951 (1993-06-01), Yokoyama et al.

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