CERAMIC POWDER, COMPOSITE POWDER MATERIAL, AND SEALING MATERIAL

Title:

CERAMIC POWDER, COMPOSITE POWDER MATERIAL, AND SEALING MATERIAL

Document Type and Number:

WIPO Patent Application WO/2017/183490

Kind Code:

A1

Abstract:

This ceramic powder is characterized in that a β-eucryptite or β-quartz solid solution is precipitated as the main crystalline phase, the average particle diameter D50 is 20 μm or less, and the thermal expansion coefficient at 30-300°C is negative.

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Inventors:

HIROSE MASAYUKI (JP)

Application Number:

PCT/JP2017/014578

Publication Date:

October 26, 2017

Filing Date:

April 07, 2017

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Assignee:

NIPPON ELECTRIC GLASS CO (JP)

International Classes:

C03C10/12; C03C8/04; C03C8/24; C04B35/19

Foreign References:

JPS59174543A	1984-10-03
JP2001172048A	2001-06-26
JP2002104841A	2002-04-10
JP2012012231A	2012-01-19
JP2012229131A	2012-11-22

Other References:

KNICKERBOCKER. S ET AL.: "Sinterable beta -Spodumene Glass-Ceramics", JOURNAL OF THE AMERICAN CERAMIC SOCIETY, vol. 72, no. 10, October 1989 (1989-10-01), pages 1873 - 1879, XP000100190, DOI: doi:10.1111/j.1151-2916.1989.tb05994.x

Attorney, Agent or Firm:

SHIROMURA Kunihiko et al. (JP)

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