Precision grinding of microarray lens molding die with 4-axes controlled microwheel

Yuji Yamamoto, Hirofumi Suzuki, Takashi Onishi, Tadashi Okino, Toshimichi Moriwaki

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

This paper deals with precision grinding of microarray lens (fly eye) molding die by using a resinoid bonded diamond wheel. An ultra-precision grinding system of microarray lens molding die and new truing method of resinoid bonded diamond wheel were developed. In this system, a grinding wheel was four-dimensionally controlled with 1 nm resolution by linear scale feedback system and scanned on the workpiece surface. New truing method by using a vanadium alloy tool was developed and its performance was obtained with high preciseness and low wheel wear. Finally, the microarray lens molding dies of fine grain tungsten carbide (WC) was tested with the resinoid bonded diamond wheel to evaluate grinding performance.

Original languageEnglish
Pages (from-to)173-176
Number of pages4
JournalScience and Technology of Advanced Materials
Volume8
Issue number3
DOIs
Publication statusPublished - Apr 2007
Externally publishedYes

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Microarrays
Molding
Diamond
Lenses
Wheels
Diamonds
Vanadium alloys
Grinding wheels
Tungsten carbide
Wear of materials
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Keywords

  • Diamond wheel
  • Form accuracy, Ceramics die
  • Microglass lens
  • Microlens array (fly eye) grinding system
  • Molding
  • Scanning direction

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Precision grinding of microarray lens molding die with 4-axes controlled microwheel. / Yamamoto, Yuji; Suzuki, Hirofumi; Onishi, Takashi; Okino, Tadashi; Moriwaki, Toshimichi.

In: Science and Technology of Advanced Materials, Vol. 8, No. 3, 04.2007, p. 173-176.

Research output: Contribution to journalArticle

Yamamoto, Yuji ; Suzuki, Hirofumi ; Onishi, Takashi ; Okino, Tadashi ; Moriwaki, Toshimichi. / Precision grinding of microarray lens molding die with 4-axes controlled microwheel. In: Science and Technology of Advanced Materials. 2007 ; Vol. 8, No. 3. pp. 173-176.
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