CN1203015C - 低膨胀系数的光学玻璃 - Google Patents
低膨胀系数的光学玻璃 Download PDFInfo
- Publication number
- CN1203015C CN1203015C CN 03117367 CN03117367A CN1203015C CN 1203015 C CN1203015 C CN 1203015C CN 03117367 CN03117367 CN 03117367 CN 03117367 A CN03117367 A CN 03117367A CN 1203015 C CN1203015 C CN 1203015C
- Authority
- CN
- China
- Prior art keywords
- expansion
- glass
- high temperature
- coefficient
- temperature viscosity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/089—Glass compositions containing silica with 40% to 90% silica, by weight containing boron
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
实施例 | 1 | 2 | 3 | 4 | 5 | 原配方 |
SiO2 | 65 | 61 | 63 | 60 | 62 | 64.4 |
B2O3 | 15 | 22 | 18.5 | 21 | 18.2 | 12.2 |
MgO | 1 | 2 | 3 | 2 | 3.3 | 4.0(Al2O3的含量) |
K2O | 5.5 | 7 | 5 | 6 | 7 | / |
Na2O | 2 | 2 | 4 | 1 | 3 | 7.8 |
ZnO | 11 | 5 | 5 | 9 | 6 | 11.1 |
TiO2 | 0.5 | 1 | 1.5 | 1 | 0.5 | / |
N | 1.506 | 1.518 | 1.519 | 1.510 | 1.505 | 1.508 |
α(×10-7/℃) | 45 | 47 | 48 | 48 | 49 | 49 |
1300℃时高温粘度daps | 800 | 290 | 570 | 270 | 330 | 1180 |
1400℃时高温粘度daps | 310 | 210 | 265 | 131 | 151 | 554 |
1500℃时高温粘度daps | 170 | 73 | 130 | 69 | 76 | 295 |
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03117367 CN1203015C (zh) | 2003-02-28 | 2003-02-28 | 低膨胀系数的光学玻璃 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03117367 CN1203015C (zh) | 2003-02-28 | 2003-02-28 | 低膨胀系数的光学玻璃 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1431160A CN1431160A (zh) | 2003-07-23 |
CN1203015C true CN1203015C (zh) | 2005-05-25 |
Family
ID=4790728
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03117367 Expired - Lifetime CN1203015C (zh) | 2003-02-28 | 2003-02-28 | 低膨胀系数的光学玻璃 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1203015C (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050049135A1 (en) * | 2003-08-29 | 2005-03-03 | Kazutaka Hayashi | Precision press-molding glass preform, optical element and processes for the production thereof |
-
2003
- 2003-02-28 CN CN 03117367 patent/CN1203015C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1431160A (zh) | 2003-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHENGDU GUANGMING PHOTOELECTRICITY CO., LTD. Free format text: FORMER OWNER: GUANGMING PHOTOELECTRICITY AND INFORMATION MATERIALS CO LTD, CHENGDU Effective date: 20050722 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20050722 Address after: 610051 No. 6 South Branch Road, Chengdu, Sichuan Patentee after: CDGM GLASS Co.,Ltd. Address before: 610051 No. 6 South Branch Road, Chengdu, Sichuan Patentee before: GUANGMING PHOTOELECTRIC INFORM |
|
CX01 | Expiry of patent term |
Granted publication date: 20050525 |
|
CX01 | Expiry of patent term |