Flexible mold and method of manufacturing microstructure using the same
Assignee3M Innovative Properties Company
InventorsChikafumi Yokoyama, Akira Yoda, Hiroshi Kikuchi
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Abstract
To provide a flexible mold (10) useful for manufacturing a PDP rib having a lattice pattern and other microstructures, and capable of highly precisely manufacturing the microstructures without involving defects such as occurrence of bubbles and pattern deformation. A flexible mold (10) comprises a base layer (2) made of a first curable material having a viscosity of 3,000 to 100,000 cps at 10 to 80° C. and a coating layer (3) coating a surface of the base layer (2) and made of a second curable material having a viscosity of 200 cps or below at 10 to 80° C.
Claims11
A method of making a flexible mold comprising:
- coating a first curable material having a viscosity of 3,000 to 100,000 cps at 10 to 80° C. on a support film wherein the support film is flexible;
- coating a second curable material having a viscosity of not greater than 200 cps at 10 to 80° C. on a master mold filling recesses of the mold;
- laminating the coated support to the coated mold such that the first curable material is between the second curable material and the support film;
- heat curing or photocuring the first and second curable material;
- and
- releasing the flexible mold from the master mold.
Dependencies are inferred from the claim text.