Title:
TiO2とLa2O3、またはTiO2とBaOを含む少なくとも2種類の金属酸化物を含むガラス、そのガラスを含む物品の製造方法ならびにその製法により製造したガラス物品
Document Type and Number:
Japanese Patent JP5237026
Kind Code:
B2
Abstract:
Disclosed herein is a ceramic comprising: at least two different metal oxides, the at least two different metal oxides comprising TiO2 and La2O3 or TiO2 and BaO; less than 20% by weight SiO2; less than 20% by weight B2O3; and less than 40% by weight P2O5; the ceramic having a glass transition temperature, Tg, and a crystallization onset temperature, Tx, and the difference between Tg and Tx is at least 5K. The ceramic may comprise additional metal oxides. Also disclosed herein is a method of making an article using the ceramic; typically, the ceramic is heated above the Tg, shaped, and then cooled.
Inventors:
Rosen Franz, Anatoly Zette.
Application Number:
JP2008238413A
Publication Date:
July 17, 2013
Filing Date:
September 17, 2008
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES COMPANY
International Classes:
A61C7/14; C03C3/12; A61C7/28; C03B19/06; C03B19/10; C03B32/00; C03B32/02; C03C3/062; C03C3/064; C03C3/066; C03C3/068; C03C3/14; C03C3/145; C03C3/155; C03C3/21; C03C3/253; C03C8/02; C03C8/12; C03C10/00; C04B35/626; C04B35/645; C09K3/14
Domestic Patent References:
| JP8175841A | ||||
| JP54025915A | ||||
| JP8259265A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu
Takashi Ishida
Tetsuji Koga
Nagasaka Tomoyasu