Title:
GLASS ARTICLE AND METHOD FOR PRODUCING GLASS ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/215115
Kind Code:
A1
Abstract:
A method for producing a glass article, the production method having a step for sandwiching a circular carrier holding a circular glass substrate between an upper lapping plate and a lower lapping plate and rotating the carrier with respect to the upper lapping plate and lower lapping plate to thereby polish the glass substrate and obtain a glass article, and the glass substrate being positioned in the carrier so that the center Oc of the carrier is included in the region of the glass substrate and the center Og of the glass substrate is shifted with respect to the center Oc of the carrier in top view.
Inventors:
MOMOSE TORU (JP)
SATO OSAMU (JP)
YAMAMOTO HIROFUMI (JP)
TAKESHITA NOBUHIKO (JP)
SATO OSAMU (JP)
YAMAMOTO HIROFUMI (JP)
TAKESHITA NOBUHIKO (JP)
Application Number:
PCT/JP2021/007736
Publication Date:
October 28, 2021
Filing Date:
March 01, 2021
Export Citation:
Assignee:
AGC INC (JP)
International Classes:
C03C19/00; B24B37/08; B24B37/28; B24B49/12
Foreign References:
| JP2019115952A | 2019-07-18 | |||
| JP2017170588A | 2017-09-28 | |||
| JP2018012613A | 2018-01-25 | |||
| JP2015527940A | 2015-09-24 | |||
| JPH09180264A | 1997-07-11 | |||
| JPS62232280A | 1987-10-12 | |||
| JPS62278501A | 1987-12-03 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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