Glass composition for poling and glass functional product containing the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-003/083
C03C-003/076
C03C-003/091
C03C-003/087
출원번호
US-0742251
(2003-12-19)
등록번호
US-7285510
(2007-10-23)
우선권정보
JP-2002-373467(2002-12-25)
발명자
/ 주소
Sakaguchi,Koichi
Nakagaki,Shigeki
출원인 / 주소
Nippon Sheet Glass Company, Limited
대리인 / 주소
Hamre, Schumann, Mueller & Larson, P.C.
인용정보
피인용 횟수 :
12인용 특허 :
4
초록▼
The present invention provides a glass composition suitable for producing a poling effect. This glass composition includes 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B2O3, and a ratio of the number of moles of Al2O3 to a sum o
The present invention provides a glass composition suitable for producing a poling effect. This glass composition includes 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B2O3, and a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0. As the univalent metal ions are suitable Li, Na, K, Cs, Ag, Cu, and Au.
대표청구항▼
What is claimed is: 1. A glass functional product, obtained by poling a glass composition comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide
What is claimed is: 1. A glass functional product, obtained by poling a glass composition comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0 and the univalent metal ions are selected from a group consisting of Li, Na, K, Cs, and Au. 2. A glass frictional product, comprising a glass composition comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 0.1 to 40 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0 and the univalent metal ions are selected from a group consisting of Li, Na, K, Cs, and Au, and having a frozen-in electric field in a part of the glass composition. 3. A glass composition for poling, comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 67 to 75 mol % of SiO2, 9 to 25 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0 and the univalent metal ions are selected from a group consisting of Cs and Au. 4. The glass composition for poling according to claim 3, comprising, in terms of mol %: 0.001% to 0.5% of univalent metal ions in terms of oxide thereof; 9 to 25% of Al2O3; 67 to 75% of SiO2; 0 to 15% of B2O3; 0 to 25% of MgO; 0 to 25% of CaQ; 0 to 25% of SrO; 0 to 25% of BaO; and 0 to 25% of ZnO, wherein the sum of MgO, CaQ, SrO, BaO and ZnO is 0 to 25 mol %. 5. The glass composition for poling according to claim 3, comprising substantially no B2O3. 6. A glass functional product, obtained by poling a glass composition comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 9 to 25 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3, to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0. 7. A glass functional product, comprising a glass composition comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 9 to 25 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0, and having a frozen-in electric field in a part of the glass composition. 8. A glass composition for poling, comprising 0.001 to 0.5 mol % of univalent metal ions in terms of oxide thereof, 67 to 70 mol % of SiO2, 9 to 25 mol % of Al2O3, and 0 to 15 mol % of B2O3, wherein a ratio of the number of moles of Al2O3 to a sum of moles of oxide in terms of which the univalent metal ions is expressed is at least 1.0 and the univalent metal ions are selected from a group consisting of Li, Na, K. Cs, and Au.
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