Title:
鱗片状ガラス
Document Type and Number:
Japanese Patent JP4295762
Kind Code:
B2
Abstract:
The present invention provides a glass flake having sufficiently high visible-light absorptivity. The glass flake of the present invention includes a glass composition that contains a transition metal oxide such as an iron oxide and that allows the glass flake to have a visible-light transmittance of 85% or lower measured with an A light source when the glass flake has a thickness of 15 mu m. In this glass composition, it is preferable that the content of Fe2O3 (T-Fe2O3) in terms of the total iron satisfies the following formula, expressed in mass%: 10 < T-Fe2O3 ≤ 50.
Inventors:
Fujiwara Kosuke
Mutsumi Unno
Akihiro Koyama
Haruki Niida
Mutsumi Unno
Akihiro Koyama
Haruki Niida
Application Number:
JP2005502966A
Publication Date:
July 15, 2009
Filing Date:
February 27, 2004
Export Citation:
Assignee:
NIPPON SHEET GLASS COMPANY,LIMITED
International Classes:
C03C3/083; A61K8/19; C03B37/005; C03C3/062; C03C3/085; C03C3/087; C03C4/08; C03C12/00; C03C17/06; C03C17/23; C09C1/00
Domestic Patent References:
| JP9071436A | ||||
| JP2001031421A | ||||
| JP7330361A | ||||
| JP63307142A | ||||
| JP2002226732A | ||||
| JP6116510A |
Attorney, Agent or Firm:
Koichi Kamata
Shigeru Kuroda
Shigeru Kuroda