A novel fabrication method for the mold insert of microlens arrays by hot embossing molding

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

This paper reports a simple and novel procedure for fabricating the mold insert of microlens arrays. In this paper, an L9 experimental matrix design based on the Taguchi method is constructed to optimize the replication quality of molded microlens arrays. The results of the statistical analysis indicate that the processing temperature is the principal parameter affecting the sag height of the molded microlens array. The 200 × 200 arrays of molded microlens, with a diameter of 150 μm, a pitch of 200 μm and a sag height of 31.51 μm have been successfully fabricated. The average surface roughness of the Ni mold insert is 6.916 nm. The average surface roughness of the molded microlens array is 4.608 nm. The processing temperature is the most important factor for the radius of curvature of molded mi crolens.

Original languageEnglish
Pages (from-to)1797-1803
Number of pages7
JournalPolymer Engineering and Science
Volume46
Issue number12
DOIs
Publication statusPublished - Dec 2006
Externally publishedYes

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Die casting inserts
Molding
Surface roughness
Fabrication
Taguchi methods
Processing
Statistical methods
Temperature

ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Polymers and Plastics
  • Materials Chemistry

Cite this

A novel fabrication method for the mold insert of microlens arrays by hot embossing molding. / Shen, Y. K.

In: Polymer Engineering and Science, Vol. 46, No. 12, 12.2006, p. 1797-1803.

Research output: Contribution to journalArticle

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