Method of making replicas and compositions for use therewith

Details Method of making replicas and compositions for use therewith Method of making replicas and compositions for use therewith

B - Operations, Transporting

29

D

B29D 11/00 (2006.01) F21V 8/00 (2006.01)

Patent

CA 2280915

Compositions and methods for replication are described. A method includes: providing a first submaster (10) having a first topography; providing a carrier (35) having a first side and a second side; coating the first side with a first resin (30) having a first viscosity; pressing the first topography against the first resin (30); replicating the first topography in the first resin (30) as a first replica surface; increasing the first viscosity; releasing the first replica surface from the first topography; providing a second submaster having a second topography; coating the second side with a second resin having a second viscosity; pressing the second topography against the second resin; replicating the second topography in the second resin as a second replica surface; increasing the second viscosity; and releasing the second replica surface from the second topography. The compositions and methods provide advantages in that surface topography is replicated with enhanced overall cost effectiveness.

L'invention porte sur des compositions et des procédés de réplication. Ce procédé consiste à: former une première sous-matrice (10) présentant une première topographie et un support (35) pourvu d'un premier et d'un second côté; recouvrir le premier côté d'une première résine (30) ayant une première viscosité; comprimer la première topographie contre la première résine (30); répliquer la première topographie dans la première résine (30) sous forme d'une première surface de réplication; augmenter la première viscosité; retirer la première surface de réplication de la première topographie; former une seconde sous-matrice possédant une seconde topographie; recouvrir le second côté d'une seconde résine ayant une seconde viscosité; comprimer la seconde topographie contre la seconde résine; répliquer la seconde topographie dans la seconde résine sous forme d'une seconde surface de réplication; augmenter la seconde viscosité; et retirer la seconde surface de réplication de la seconde topographie. L'avantage que présentent ces compositions et ces procédés est un meilleur rapport coût global-efficacité de la topographie de surface répliquée.

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