IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0846627
(1992-03-05)
|
우선권정보 |
GB-0006086 (1991-03-22) |
발명자
/ 주소 |
- Shorrock Peter (Wigan GBX) Yale Brain (Ormskirk GBX)
|
출원인 / 주소 |
- Pilkington PLC (Merseyside GB2 03)
|
인용정보 |
피인용 횟수 :
16 인용 특허 :
0 |
초록
▼
A borosilicate glass composition consisting essentially of the following components: ________________________________ -SiO2 57-77 mol %, Al2O3 0-8.5 mol %, B2O3 4.6-23.0 mol %, ________________________________ the total amount of SiO2+Al2O3+B2O3 being from 81 to 91 mol %, ___________________________
A borosilicate glass composition consisting essentially of the following components: ________________________________ -SiO2 57-77 mol %, Al2O3 0-8.5 mol %, B2O3 4.6-23.0 mol %, ________________________________ the total amount of SiO2+Al2O3+B2O3 being from 81 to 91 mol %, ________________________________ -Li2O 0-1.5 mol %, Na2O 2-7.5 mol %, K2O 2-7.5 mol %, ________________________________ the total amount of Li2O+Na2O+K2O being from 7.6 to 10.6 mol %, ________________________________ -CeO2 0.7-2.0 mol %, Sb2O3 0-0.3 mol %, As2O3 0-0.3 mol %, TiO2 0-2.0 mol %, F2 0-2.0 mol %, ________________________________ and one or more of MgO, CaO, SrO, BaO, ZnO and PbO, in a total amount of from 0 to 7 mol %; the glass composition having a coefficient of linear expansion within the range 64.0-70.0×10-7/deg.C. These glass compositions are intended for use in making protective covers for gallium arsenide solar cells.
대표청구항
▼
A borosilicate glass composition characterised in that the glass composition consists essentially of the following components: ________________________________ -SiO2 57-77 mol %, Al2O3 0-8.5 mol %, B2O3 4.6-23.0 mol %, ________________________________ the total amount of SiO2+Al2O3+B2O3 being from 8
A borosilicate glass composition characterised in that the glass composition consists essentially of the following components: ________________________________ -SiO2 57-77 mol %, Al2O3 0-8.5 mol %, B2O3 4.6-23.0 mol %, ________________________________ the total amount of SiO2+Al2O3+B2O3 being from 81 to 91 mol %, ________________________________ -Li2O 0-1.5 mol %, Na2O 2-7.5 mol %, K2O 2-7.5 mol %, ________________________________ the total amount of Li2O+Na2O+K2O being from 7.6 to 10.6 mol %, ________________________________ -CeO2 0.7-2.0 mol %, Sb2O3 0-0.3 mol %, As2O3 0-0.3 mol %, TiO2 0-2.0 mol %, F2 0-2.0 mol %, ________________________________ and one or more of MgO, CaO, SrO, BaO, ZnO and PbO, in a total amount of from 0 to 7 mol %; and in that the glass composition exhibits a coefficient of linear expansion within the range 64.0-70.0×10-7/deg.C.
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