G - Physics – 03 – F
Patent
G - Physics
03
F
G03F 7/09 (2006.01) B29C 59/04 (2006.01) B32B 38/04 (2006.01) G03F 7/11 (2006.01) G03F 7/16 (2006.01)
Patent
CA 2326986
An improved photopolymer coversheet film including no micro indentations or micropitting is disclosed. One embodiment of the process for forming the improved photopolymer coversheet film includes a modified casting (casting and coating) method. This embodiment exhibits no micro indentations or micropitting in its smooth surface. Another embodiment of the process for producing the improved photopolymer coversheet film includes the use of a reheat embossing step to achieve no surface micro indentations greater than 0.5 microns in depth.
Ce film photopolymère protecteur amélioré est exempt de micro-entailles et de micro-cuvettes. L'une des procédures de production de ce film photopolymère protecteur amélioré repose sur un procédé modifié de moulage (moulage et enduisage), procédé grâce auquel la surface lisse du film est exempte de micro-entailles et de micro-cuvettes. Dans une autre procédure intervient une opération de gaufrage par réchauffement de manière que la profondeur des micro-entailles n'excède pas 0,5 micromètre.
Adams James M.
Dipoto James P.
Paterson Stuart G.
Ray Carl D.
Kirby Eades Gale Baker
Tredegar Corporation
Tredegar Film Products Corporation
LandOfFree
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