Patent ID: 6236414
Filing Date: 2001-05-22
Classification: B41J

Abstract:
An ink transfer printer comprising:an electrically-insulated base member;an array of electric heater elements provided on a surface of said base member and aligned with each other, said electric heater elements being selectively and electrically energized in accordance with a series of digital image-pixel signals;a frame member, having an opening, securely provided on said base member such that said array of electric heater elements is encompassed by said opening of said frame member;a sheet of film that covers said frame member such that said opening of said frame member defines an ink space fillable with ink, said film sheet including a plurality of fine pores arranged along said array of electric heater elements; anda heat dissipating sheet, having an opening and formed of a thermal conductive material, that is associated with said film sheet such that thermal energy, locally generated by an electrical energization of at least one of said electric heater elements, is dissipated, said heat dissipating sheet being interposed between said frame member and said film sheet such that said plurality of fine pores is encompassed by said opening of said heat dissipating sheet.