MOLD AND STAMPER FOR MOLDING LIGHT GUIDE PLATE, AND METHOD FOR PRODUCING THEM

MOLD AND STAMPER FOR MOLDING LIGHT GUIDE PLATE, AND METHOD FOR PRODUCING THEM

PROBLEM TO BE SOLVED: To provide a mold having a smooth surface which can not generate a bright point in a molded light guide plate and a stamper, and a method for producing the mold and the stamper. SOLUTION: After a relatively thick metal-plated layer (k22) is formed on a surface (k2a) which can f...

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Hauptverfasser: MIFUJI NOZOMI, TAGUCHI HIROZUMI, NAKABASHI SUMIO
Format: Patent
Sprache:eng
Schlagworte:
AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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creator MIFUJI NOZOMI
TAGUCHI HIROZUMI
NAKABASHI SUMIO
description PROBLEM TO BE SOLVED: To provide a mold having a smooth surface which can not generate a bright point in a molded light guide plate and a stamper, and a method for producing the mold and the stamper. SOLUTION: After a relatively thick metal-plated layer (k22) is formed on a surface (k2a) which can form at least the light emission surface of the light guide plate of the stamper to be housed in the mold (k2) forming a cavity (kc1) for molding the light guide plate and the cavity, the metal-plated layer (k22) is polished in a prescribed thickness to make the surface specular.
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subjects AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
PERFORMING OPERATIONS
SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR
SHAPING OR JOINING OF PLASTICS
TRANSPORTING
WORKING OF PLASTICS
WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
title MOLD AND STAMPER FOR MOLDING LIGHT GUIDE PLATE, AND METHOD FOR PRODUCING THEM
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