Improvement of form accuracy and surface integrity of Si-HDPE hybrid micro-lens arrays in press molding
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- 作者：Ahmad Rosli Abdul Manafa ; b ; Jiwang Yana ; yan@mech.keio.ac.jp" class="auth_mail" title="E-mail the corresponding author
- 关键词：Hybrid optics ; Lens array ; Infrared lens ; Press molding ; Microstructure
- 刊名：Precision Engineering
- 出版年：2017
- 出版时间：January 2017
- 年：2017
- 卷：47
- 期：Complete
- 页码：469-479
- 全文大小：4311 K
文摘
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An in-situ direct observation unit is developed to observe air trapping.
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Air trapping and trench formation depend on pressing force and temperature.
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Air trapping causes trench formation, wear and HDPE adhesion on mold coating.
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Molding in a vacuum environment helps to improve lens surface integrity.
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Compensating HDPE shrinkage improves lens form accuracy.
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