Low-temperature calcined glass ceramic and a manufacturing process therefor
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C03C-003/062
C03C-003/087
C03C-010/06
C03C-014/00
C03B-029/00
출원번호
US-0438492
(1999-11-12)
우선권정보
JP-0320612 (1998-11-11); JP-0134147 (1999-05-14)
발명자
/ 주소
Ichiro Hazeyama JP
Kazuhiro Ikuina JP
출원인 / 주소
NEC Corporation JP
대리인 / 주소
Foley & Lardner
인용정보
피인용 횟수 :
6인용 특허 :
4
초록▼
A glass having an oxide-converted composition of 35 to 65 wt % of SiO2, 5 to 35 wt % of B2O3, 2 to 20 wt % of CaO, 5 to 25 wt % of Al2O3 where the ratio of CaO to Al2O3 is 1/1 to 1/2.5, 0.5 to 5 wt % of TiO2, 0.5 to 5 wt % of ZrO2, 0.5 to 5 wt % of ZnO, 0 to 5 wt % of MgO, 0 to 5 wt % of SrO, 0 to 5
A glass having an oxide-converted composition of 35 to 65 wt % of SiO2, 5 to 35 wt % of B2O3, 2 to 20 wt % of CaO, 5 to 25 wt % of Al2O3 where the ratio of CaO to Al2O3 is 1/1 to 1/2.5, 0.5 to 5 wt % of TiO2, 0.5 to 5 wt % of ZrO2, 0.5 to 5 wt % of ZnO, 0 to 5 wt % of MgO, 0 to 5 wt % of SrO, 0 to 5 wt % of BaO and 0 to 1 wt % of the total of group 1A element oxides such as Na2O, K2O and Li2O, or a glass having an oxide-converted composition of 10 to 45 wt % of SiO2, 20 to 50 wt % of CaO, 20 to 45 wt % of Al2O3, 0.1 to 5 wt % of MgO, 0.1 to 5 wt % of SrO, 0.1 to 5 wt % of BaO, 0.1 to 5 wt % of TiO2, 0.1 to 5 wt % of ZnO, 0.1 to 5 wt % of ZrO2 and 0 to 3 wt % of a group 1A element oxide has a low glass softening point, can be calcined as a composite with a variety of ceramics at a temperature below 1000.degree. C., precipitates crystals during the calcination process, and can provide a glass ceramic exhibiting a low dielectric constant and a low dielectric loss.
대표청구항▼
1. A low-temperature calcined glass ceramic which is an SiO-2-CaO-Al2O3 glass consisting of an oxide-converted composition of 10 to 45 wt % of SiO2, 20 to 50 wt % of CaO, 20 to 45 wt % of Al2O3, 0.1 to 5 wt % of MgO, 0.1 to 5 wt % of SrO, 0.1 to 5 wt % of BaO, 0.1 to 5 wt % of TiO2, 0.1 to 5 wt % of
1. A low-temperature calcined glass ceramic which is an SiO-2-CaO-Al2O3 glass consisting of an oxide-converted composition of 10 to 45 wt % of SiO2, 20 to 50 wt % of CaO, 20 to 45 wt % of Al2O3, 0.1 to 5 wt % of MgO, 0.1 to 5 wt % of SrO, 0.1 to 5 wt % of BaO, 0.1 to 5 wt % of TiO2, 0.1 to 5 wt % of ZnO, 0.1 to 5 wt % of ZrO2 and 0 to 3 wt % of a group 1A element oxide; and is densified during calcination at 800 to 1000.degree. C.
Chyung Kenneth (Painted Post NY) Cooper Reid F. (Odessa NY) Gadkaree Kishor P. (Painted Post NY) Stewart Ronald L. (Big Flats NY) Taylor Mark P. (Painted Post NY), Reinforcement of alkaline earth aluminosilicate glass-ceramics.
Sumi,Hiroshi; Suzumura,Masashi; Sakai,Tsutomu; Mizutani,Hidetoshi; Sato,Manabu, Dielectric material and dielectric sintered body, and wiring board using the same.
Geier, Heinz; Pollner, Rudolf; Koengeter, Imke; Eisele, Ulrich, Glass ceramic material, method for producing the same and spark plug containing such a glass ceramic material.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.