Flatness and microstructure of a light guide plate fabricated by microinjection molding

This study photo‐etches micropatterns on mold inserts and manufactures a light guide plate with microstructures using microinjection molding. The single parameter method is used to investigate flatness and replication with different process parameters for microinjection molding. Mold temperature is...

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Bibliographic Details
Published in:Polymer engineering and science 2013-01, Vol.53 (1), p.212-218
Main Authors: Lin, Yun-Ho, Huang, Chiung-Fang, Cheng, Hsin-Chung, Lin, Yi, Lee, Jeou-Long, Shen, Yung-Kang
Format: Article
Language:English
Subjects:
Application fields
Applied sciences
Composite materials
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Injection molding
Light
Mechanical properties
Microstructure
Molds & molding
Optical materials
Optics
Physics
Polymer industry, paints, wood
Polymers and organics
Production processes
Strength of materials
Technology of polymers
Temperature effects
Thermal properties
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Description
Summary:This study photo‐etches micropatterns on mold inserts and manufactures a light guide plate with microstructures using microinjection molding. The single parameter method is used to investigate flatness and replication with different process parameters for microinjection molding. Mold temperature is the most important factor for plate flatness and microstructure replication of a light guide plate fabricated by microinjection molding. Low mold temperature increases the flatness of light guide plates, whereas a high mold temperature improves height replication of the microstructure of light guide plates. Optimal mold temperature to maintain flatness and increase microstructure replication of light guide plates is 60°C. POLYM. ENG. SCI., 2013. © 2012 Society of Plastics Engineers
ISSN:0032-3888
1548-2634
DOI:10.1002/pen.23257