Presentation 2014-07-11
Fabrication of an optical lens array using ultraviolet curable resin and ultrasound vibration
Satoki TANIGUCHI, Daisuke KOYAMA, Kentaro NAKAMURA, Mami MATSUKAWA,
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Abstract(in English) An optical lens array is used various field such as camera modules and liquid crystal displays. In this report, a new fabrication technique of a lens array was proposed using ultraviolet curable resin and ultrasound vibration, and the hardening characteristics of the gel were investigated. An ultraviolet curable gel film was formed on a glass plate having four PZT transducers. By exciting the transducers, the lattice flexural vibration was generated on the glass plate. The acoustic radiation force that correlates to the vibration mode was generated to the gel surface, and the gel was deformed. The lens array could be formed for 20 minutes under ultraviolet light irradiation with keeping the deformation. The quality factor of the transducer resonance was measured in order to investigate the curing of resin, and the quality factor decreases with time. It was found that the gel acts as the damper and additional mass as the lens array was formed.
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Keyword(in English) Lens array / Ultraviolet curable resin / Acoustic radiation force / Flexural vibration
Paper # US2014-31
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Committee US
Conference Date 2014/7/4(1days)
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Registration To Ultrasonics (US)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Fabrication of an optical lens array using ultraviolet curable resin and ultrasound vibration
Sub Title (in English)
Keyword(1) Lens array
Keyword(2) Ultraviolet curable resin
Keyword(3) Acoustic radiation force
Keyword(4) Flexural vibration
1st Author's Name Satoki TANIGUCHI
1st Author's Affiliation Doshisha University()
2nd Author's Name Daisuke KOYAMA
2nd Author's Affiliation Doshisha University
3rd Author's Name Kentaro NAKAMURA
3rd Author's Affiliation Tokyo Institute of Technology
4th Author's Name Mami MATSUKAWA
4th Author's Affiliation Doshisha University
Date 2014-07-11
Paper # US2014-31
Volume (vol) vol.114
Number (no) 137
Page pp.pp.-
#Pages 4
Date of Issue