MgO DEPOSITION MATERIAL - MITSUBISHI MATERIALS CORP

Title:

MgO DEPOSITION MATERIAL

Document Type and Number:

WIPO Patent Application WO/2006/006627

Kind Code:

A1

Abstract:

An MgO deposition material for forming a protection film for a plasma display panel is composed of an MgO pellet having an MgO purity of 98% or more and a relative density of 90% or more. The pellet includes one or more elements selected from a group composed of Y, La, Ce, Pr, Nd, Pm and Sm. When Y is included, Y concentration is 5-10,000ppm, when La is included, La concentration is 5-15,000ppm, when Ce is included, Ce concentration is 5-16,000ppm, when Pr is included, Pr concentration is 5-16,000ppm, when Nd is included, Nd concentration is 5-16,000ppm, when Pm is included, Pm concentration is 5-16,000ppm, and when Sm is included, Sm concentration is 5-16,000ppm.

Inventors:

SAKURAI HIDEAKI (JP)
MAYUZUMI YOSHITAKA (JP)
HIRATA HIROKI (JP)

Application Number:

PCT/JP2005/012925

Publication Date:

January 19, 2006

Filing Date:

July 13, 2005

Export Citation:

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Assignee:

MITSUBISHI MATERIALS CORP (JP)
SAKURAI HIDEAKI (JP)
MAYUZUMI YOSHITAKA (JP)
HIRATA HIROKI (JP)

International Classes:

C23C14/24; C04B35/04; H01J9/02; H01J11/02; H01J11/22; H01J11/24; H01J11/34; H01J11/40

Foreign References:

JPH1192212A	1999-04-06
JP2004043955A	2004-02-12
JP2000123745A	2000-04-28
JP2001118518A	2001-04-27

Other References: