Method of making topographical support members for producing...

Details Method of making topographical support members for producing... Method of making topographical support members for producing...

B - Operations, Transporting

29

C

B29C 59/16 (2006.01) B23K 26/08 (2006.01) B26F 1/26 (2006.01) B29C 59/06 (2006.01)

Patent

CA 2419034

This invention provides a method of farming a three dimensional topographical support member for producing apertured films, to the three dimensional topographical support member formed by the method of the invention, and to the apertured film produced thereon. The topographical support member is formed by moving a laser beam across the surface of a workpiece while modulating the power of the laser beam, thereby sculpting the surface of the workpiece to form the three dimensional topographical support member.

Cette invention procure une méthode pour créer un membre de support topographique en trois dimensions pour la production de films perforés, pour le membre de support topographique en trois dimensions formé par la méthode d'invention et le film perforé ainsi produit. Le membre de support topographique est formé en déplaçant un faisceau laser sur la surface d'une pièce à travailler tout en modulant la puissance du faisceau laser, sculptant ainsi la surface de la pièce à travailler pour former le membre de support topographique en trois dimensions.

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