IPC분류정보
| 국가/구분 |
United States(US) Patent
등록
|
| 국제특허분류(IPC7판) |
|
| 출원번호 |
US-0782173
(1997-01-14)
|
|
발명자
/ 주소 |
- Sakaguchi Koichi,JPX
- Nagashima Yukihito,JPX
- Kuroda Isamu,JPX
- Yoshii Shigekazu,JPX
|
| 출원인 / 주소 |
- Nippon Sheet Glass Co., Ltd., JPX
|
| 대리인 / 주소 |
Sughrue, Mion, Zinn, Macpeak & Seas, PLLC
|
| 인용정보 |
피인용 횟수 :
37 인용 특허 :
8 |
초록
▼
Ultraviolet- and infrared-absorbing glass comprising: as basic glass components, 65 to 80% by weight of SiO.sub.2, 0 to 5% by weight of Al.sub.2 O.sub.3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na.sub.2 O, 0 to 5% by weight of K.sub.2 O, 5 to 15% by weight in tot
Ultraviolet- and infrared-absorbing glass comprising: as basic glass components, 65 to 80% by weight of SiO.sub.2, 0 to 5% by weight of Al.sub.2 O.sub.3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na.sub.2 O, 0 to 5% by weight of K.sub.2 O, 5 to 15% by weight in total of MgO and CaO, 10 to 20% by weight in total of Na.sub.2 O and K.sub.2 O, and 0 to 5% by weight of B.sub.2 O.sub.3 ; and in the first embodiment, as coloring components, 0.25 to 0.45% by weight, in terms of Fe.sub.2 O.sub.3, of total iron oxide (T-Fe.sub.2 O.sub.3) having an FeO/T-Fe.sub.2 O.sub.3 ratio, in terms of Fe.sub.2 O.sub.3, of 15.5 to 25.0%, 0.8 to 2.0% by weight of CeO.sub.2, 0 to 1.0% by weight of TiO.sub.2, 0 to 0.005% by weight of CoO, and 0.0005 to 0.005% by weight of Se; or in the second embodiment, as coloring components, 0.25 to 0.5% by weight, in terms of Fe.sub.2 O.sub.3, of total iron oxide (T-Fe.sub.2 O.sub.3) having an FeO/T-Fe.sub.2 O.sub.3 ratio, in terms of Fe.sub.2 O.sub.3, of 5.0 to 20.0%, 1.4 to 2.0% by weight of CeO.sub.2, 0 to 0.4% by weight of TiO.sub.2, 0 to 0.002% by weight of CoO, and 0.0005 to 0.005% by weight of Se.
대표청구항
▼
[ What is claimed is:] [1.] Ultraviolet- and infrared- absorbing glass comprising:65 to 80% by weight of SiO.sub.2,0 to 5% by weight Al.sub.2 O.sub.3,0 to 10% by weight of MgO,5 to 15% by weight of CaO,10 to 18% by weight of Na.sub.2 O,0 to 5 % by weight of K.sub.2 O,5 to 15% by weight in total of M
[ What is claimed is:] [1.] Ultraviolet- and infrared- absorbing glass comprising:65 to 80% by weight of SiO.sub.2,0 to 5% by weight Al.sub.2 O.sub.3,0 to 10% by weight of MgO,5 to 15% by weight of CaO,10 to 18% by weight of Na.sub.2 O,0 to 5 % by weight of K.sub.2 O,5 to 15% by weight in total of MgO and CaO,10 to 20% by weight in total of Na.sub.2 O and K.sub.2 O, and0 to 5% by weight of B.sub.2 O.sub.3 ; and25 to 0.45% by weight, in terms of Fe.sub.2 O.sub.3, of total iron oxide (T-Fe.sub.2 O.sub.3) having an FeO/T-Fe.sub.2 O.sub.3 ratio, in terms of Fe.sub.2 O.sub.3, of 0.155 to 0.174,0.8 to 2.0% by weight of CeO.sub.2,0 to 1.0% by weight of TiO.sub.2,0 to 0.005% by weight of CoO, and0.0005 to 0.005% by weight of Se, rein said glass with a thickness of 4 mm has an excitation purity of less than 11% as measured with the CIE standard illuminant C.
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