Title:
LENS PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2019/004227
Kind Code:
A1
Abstract:
Provided is a method for efficiently producing lenses having excellent accuracy and optical properties. The lens production method according to the present invention includes a step in which the below-mentioned method is used to cut, in a joining portion, an array of lenses fixed on a support tape and having a structure in which two or more lenses are two-dimensionally arranged and are connected to one another by means of the joining portion. Cutting method: From the side opposite that on which the support tape is bonded, proceed along a cutting depth as far as 50% to 99.9% of the thickness of the joining portion. At this point, stop proceeding along the cutting depth, and subsequently cut to 100% of the cutting depth.
Inventors:
FUKUI SADAYUKI (JP)
FUJIKAWA TAKESHI (JP)
FUJIKAWA TAKESHI (JP)
Application Number:
PCT/JP2018/024241
Publication Date:
January 03, 2019
Filing Date:
June 26, 2018
Export Citation:
Assignee:
DAICEL CORP (JP)
International Classes:
G02B3/00; G02B3/08
Foreign References:
| JP2013003541A | 2013-01-07 | |||
| JP2013104931A | 2013-05-30 | |||
| JP2006049419A | 2006-02-16 | |||
| JP2007194469A | 2007-08-02 | |||
| JP2007273743A | 2007-10-18 | |||
| JP2017125298A | 2017-07-20 | |||
| JP2013003541A | 2013-01-07 |
Other References:
See also references of EP 3647832A4
Attorney, Agent or Firm:
GOTO & CO. (JP)
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