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1. (WO2013146448) SINTERED OBJECT FOR FORMING LOW-REFRACTIVE-INDEX FILM AND PROCESS FOR PRODUCING SAME

Pub. No.:    WO/2013/146448    International Application No.:    PCT/JP2013/057754
Publication Date: Fri Oct 04 01:59:59 CEST 2013 International Filing Date: Wed Mar 20 00:59:59 CET 2013
IPC: C23C 14/34
C04B 35/453
Applicants: JX NIPPON MINING & METALS CORPORATION
JX日鉱日石金属株式会社
Inventors: NARA Atsushi
奈良 淳史
Title: SINTERED OBJECT FOR FORMING LOW-REFRACTIVE-INDEX FILM AND PROCESS FOR PRODUCING SAME
Abstract:
A sintered object which comprises zinc (Zn), magnesium (Mg), oxygen (O), and fluorine (F), characterized by containing the fluoride of magnesium (Mg) in an amount of 1.0-27 mol% in terms of Mg element amount. Provided, on the basis of this sintered object, is a sintered object which can be used in forming a thin film for use as an electrode for flexible displays, organic EL televisions, or touch panels, as an optical thin film for forming the protective layer, reflection layer, or semi-transparent layer of an optical information recording medium, or as the seed layer of a hard disk. With the sintered object, it is possible to provide a thin film which is optimal for such applications and which is amorphous, has such a satisfactory visible light transmittance that the extinction coefficient is 0.01 or lower (wavelength, 450 nm), and has a refractive index as low as 2.0 or less.