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Title:
LENS MANUFACTURING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/012763
Kind Code:
A1
Abstract:
The lens manufacturing method according to one aspect of the present invention comprises a polishing step for polishing a to-be-processed lens made of Al2O3. The polishing step comprises a first polishing step for polishing the Al2O3 lens being processed by using a diamond paste containing diamond particles.

Inventors:
DOTEUCHI TAKATOSHI (JP)
Application Number:
PCT/JP2018/015075
Publication Date:
January 17, 2019
Filing Date:
April 10, 2018
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Assignee:
NIDEC CORP (JP)
International Classes:
B24B13/00; B24B9/14; B24B13/005; B24B37/00; C03C19/00
Domestic Patent References:
WO2014084380A12014-06-05
Foreign References:
JP2002219635A2002-08-06
JP2017119738A2017-07-06
JP2002187054A2002-07-02
JP2016106239A2016-06-16
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