Title:
METHOD FOR PRODUCING CERAMIC PLATE, CERAMIC PLATE, COMPOSITE SHEET AND MULTILAYER SUBSTRATE
Document Type and Number:
WIPO Patent Application WO/2023/027122
Kind Code:
A1
Abstract:
One aspect of the present disclosure provides a method for producing a ceramic plate, the method comprising: a firing step in which a fired plate is obtained by firing a sheet that comprises a shaped plate containing boron nitride and a sintering assistant, and a boron nitride-containing layer that is provided on at least a part of a main surface of the shaped plate; and a removal step in which at least a part of a mold release layer that is derived from the boron nitride-containing layer of the fired plate is removed.
Inventors:
MINAKATA YOSHITAKA (JP)
KANEKO MASAHIDE (JP)
YOSHIMATSU RYO (JP)
SAKAGUCHI SHINYA (JP)
KANEKO MASAHIDE (JP)
YOSHIMATSU RYO (JP)
SAKAGUCHI SHINYA (JP)
Application Number:
PCT/JP2022/031927
Publication Date:
March 02, 2023
Filing Date:
August 24, 2022
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C04B35/583; C04B41/53; C04B41/83; H01L23/36; H01L23/373; H05K1/05
Domestic Patent References:
| WO2020203692A1 | 2020-10-08 | |||
| WO2013054852A1 | 2013-04-18 |
Foreign References:
| JPH09278526A | 1997-10-28 | |||
| JPS5433510A | 1979-03-12 | |||
| JPH02164775A | 1990-06-25 | |||
| JP2002275571A | 2002-09-25 | |||
| JP2011178598A | 2011-09-15 |
Other References:
"Handbook of the latest technologies for smartphones and touch panel materials", 28 June 2013, TECHNICAL INFORMATION INSTITUTE, JP, ISBN: 978-4-86104-484-7, article NOBORU FUJIMOTO PLANNING AND EDITING: "Section 7 Boron Nitride Filler and Heat Dissipating Sheet", pages: 461 - 468, XP009543911
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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