Patent ID: 6536338
Filing Date: 2003-03-25
Classification: B41C,Y10T

Abstract:
A method for producing a stencil plate, which comprises providing a heat sensitive stencil sheet having a heat shrinkable film, and selectively heating said film using a heating device to form independent dot perforations corresponding to an image in said film, wherein said heating device is set to ensure that said perforations satisfy the following formula (1):p&gE;d+({square root over (2)})fâ€ƒâ€ƒ(1) where p denotes a scanning pitch in a main scanning direction or a sub scanning direction; d denotes an inner diameter of a perforation in the same direction as p; and f denotes a width of a rim of said perforation at a portion that is not merged with any rims of its adjacent perforations.