Title:
METHOD FOR MANUFACTURING GLASS CERAMIC BLANK, AND GLASS CERAMIC BLANK
Document Type and Number:
WIPO Patent Application WO/2022/209706
Kind Code:
A1
Abstract:
Provided is a method for manufacturing a glass ceramic blank, the method comprising: a step for preparing a plurality of glass ceramic powders, laminating the plurality of glass ceramic powders so that adjacent layers have the same color or similar colors and different total light transmittances, and performing pressure molding; a step for heating the laminate obtained by the pressure molding at 500 °C to 800 °C to perform degreasing; a step for immersing the laminate after degreasing in a dye solution containing single-color metal ions so that the whole of the laminate is immersed in the dye solution; and a step for heating the laminate, which has been immersed in the dye solution, at a temperature of 750-1000 °C (exclusive of 750).
Inventors:
KOJIMA KENJI (JP)
YAMAMOTO KOJI (JP)
YAMAMOTO KOJI (JP)
Application Number:
PCT/JP2022/010602
Publication Date:
October 06, 2022
Filing Date:
March 10, 2022
Export Citation:
Assignee:
G C DENTAL IND CORP (JP)
International Classes:
A61C5/77; C03C21/00; A61C13/083
Foreign References:
| JP2008068079A | 2008-03-27 | |||
| JP2020169118A | 2020-10-15 | |||
| JP2008068079A | 2008-03-27 | |||
| JP2018015364A | 2018-02-01 |
Attorney, Agent or Firm:
YAMAMOTO, Noriaki (JP)
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