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Title:
CERAMIC ARTICLE PRODUCTION METHOD AND CERAMIC ARTICLE
Document Type and Number:
WIPO Patent Application WO/2021/079909
Kind Code:
A1
Abstract:
The present invention is characterized by including: (i) a step in which a powder having silicon dioxide as the main component thereof and containing an absorber that absorbs light in a wavelength included in an emitted laser beam is arranged; (ii) a step in which the powder is sintered or melted and solidified by irradiating the powder with the laser beam; and (iii) a step in which a molded object formed by repeating steps (i) and (ii) is subjected to a heat treatment of at least 1,470 °C and less than 1,730 °C.

Inventors:
MURAKAMI SHUNSUKE (JP)
SHIMIZU YASUSHI (JP)
YASUI NOBUHIRO (JP)
OSHIMA KANAKO (JP)
Application Number:
PCT/JP2020/039565
Publication Date:
April 29, 2021
Filing Date:
October 21, 2020
Export Citation:
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Assignee:
CANON KK (JP)
International Classes:
C04B35/64; B28B1/30; B33Y10/00; B33Y70/00; B33Y80/00; C04B35/16; C04B35/653
Attorney, Agent or Firm:
ABE Takuma et al. (JP)
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