Replicability of process conditions of ultrasonic hot embossing for micropattern fabrication on thermoplastic substrates

研究成果: 雜誌貢獻文章同行評審

1 引文 斯高帕斯(Scopus)

摘要

This study replicated a molded plastic substrate with micropatterns by a mold insert employing ultrasonic hot embossing. A plastic substrate and mold insert were combined and heated above the plastic's glass transition temperature, and then the softened plastic was allowed to flow into the micropattern of the mold insert making use of pressure applied by conventional techniques. A longitudinal ultrasonic wave was added to the ultrasonic hot embossing process. Groove-shaped micropatterns were formed on the surface of the Ni mold insert, and their dimensions were a width of 2 μm and a depth of 200 nm. Polypropylene and poly(methyl methacrylate) were selected as the embossed materials. This study determined the replication and surface properties of the plastic substrate by various process parameters (delay pressure, sonotrode pressure, holding pressure, delay time, ultrasonic duration time, and holding time) of ultrasonic hot embossing.

原文英語
頁(從 - 到)283-291
頁數9
期刊Journal of Manufacturing Processes
60
DOIs
出版狀態已發佈 - 十二月 2020

ASJC Scopus subject areas

  • Strategy and Management
  • Management Science and Operations Research
  • Industrial and Manufacturing Engineering

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