SU948919A1 - Optical glass - Google Patents
Optical glass Download PDFInfo
- Publication number
- SU948919A1 SU948919A1 SU803223263A SU3223263A SU948919A1 SU 948919 A1 SU948919 A1 SU 948919A1 SU 803223263 A SU803223263 A SU 803223263A SU 3223263 A SU3223263 A SU 3223263A SU 948919 A1 SU948919 A1 SU 948919A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- glass
- group
- glasses
- quality
- bubbling
- Prior art date
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
- C03C3/083—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound
- C03C3/085—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal
- C03C3/087—Glass compositions containing silica with 40% to 90% silica, by weight containing aluminium oxide or an iron compound containing an oxide of a divalent metal containing calcium oxide, e.g. common sheet or container glass
Description
5t) ОПТИЧЕСКОЕ СТЕКЛО5t) OPTICAL GLASS
1 one
Изобретение относитс к составам оптических стекол, предназначенных дл изготовлени очковых одинарных и спеченных бифокальных линз с нейМдимой линией раздела, а также i призм, защитных стекол и плоских пластин.The invention relates to compositions of optical glasses for the manufacture of single and sintered spectacle bifocal lenses with a need for a dividing line, as well as i prisms, protective glasses and flat plates.
Известно стекло дл бифокальных очковых линз, включающее , ,j,MgO, Cap, BaO, PbO, , в следующих количествах вес.%: SiO 68-69; 2-2,5; MgO 1,0-1,5; CaO , BaO PbO 7 ,5-8,5; 7-8. Оно имеет температуру спекани 500-600 С.Known glass for bifocal eyeglass lenses, including,, j, MgO, Cap, BaO, PbO, in the following amounts by weight: SiO 68-69; 2-2.5; MgO 1.0-1.5; CaO, BaO PbO 7, 5-8.5; 7-8. It has a sintering temperature of 500-600 C.
Наиболее близким по технической сущности и достигаемому результату к изобретению вл етс оптическое стекло t2J следующего состава:вес.: SiOa 38,5-63.; ALO, 6-19; В CL 1-7; LilO 0-2; ,0 11-16; 1,5t ,; СаО 0-5: ВаО 0-1; ZnO t-ll; PbO 0-1; IiOnO-Z; AS-О,, 0-1; Sb-O, 0-2. - 3The closest in technical essence and the achieved result to the invention is optical glass t2J of the following composition: weight: SiOa 38.5-63 .; ALO, 6-19; In cl 1-7; LilO 0-2; , 11-16; 1,5t; CaO 0-5: BaO 0-1; ZnO t-ll; PbO 0-1; IiOnO-Z; AS-O, 0-1; Sb-O, 0-2. - 3
К недостаткам этих стекол относ тс низка химическа устойчивость (Ш группа ) и плохие варочные свойства (высока пузырность).The disadvantages of these glasses include low chemical resistance (W group) and poor cooking properties (high blistering).
Цель изобретени - повышение химической устойчивости. Цель достигаетс тем, что оптическое стекло, включающее SIO,,,-, СаО, , К, АЗ РзИЛИ , один оксид из группы: BaDi ZhO, MgO дополнительноThe purpose of the invention is to increase chemical resistance. The goal is achieved by the fact that optical glass including SIO ,,, -, CaO, K, AZ RZILI, one oxide from the group: BaDi ZhO, MgO additionally
содержит SrO при следующих соотношени х ингредиентов, мас.: contains SrO in the following ratios of ingredients, wt .:
63,563.5
7070
Si Со.Si So.
1 313
А,,0,A ,, 0,
9,09.0
5,5 СаО5.5 CaO
U 8 Na4 .0U 8 Na4 .0
10.5 3 Kftp10.5 3 Kftp
AVOAvo
илиor
0.6 0.6
0,3 BaO, ZnO,0.3 BaO, ZnO,
и один оксид из группы: MgO 2,5-3.5 SrO 0,5-6,0.and one oxide from the group: MgO 2.5-3.5 SrO 0.5-6.0.
Claims (2)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU803223263A SU948919A1 (en) | 1980-12-23 | 1980-12-23 | Optical glass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU803223263A SU948919A1 (en) | 1980-12-23 | 1980-12-23 | Optical glass |
Publications (1)
Publication Number | Publication Date |
---|---|
SU948919A1 true SU948919A1 (en) | 1982-08-07 |
Family
ID=20933925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU803223263A SU948919A1 (en) | 1980-12-23 | 1980-12-23 | Optical glass |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU948919A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104140204A (en) * | 2013-05-09 | 2014-11-12 | 成都光明光电股份有限公司 | Optical glass, optical preform and optical element |
-
1980
- 1980-12-23 SU SU803223263A patent/SU948919A1/en active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104140204A (en) * | 2013-05-09 | 2014-11-12 | 成都光明光电股份有限公司 | Optical glass, optical preform and optical element |
CN107698142A (en) * | 2013-05-09 | 2018-02-16 | 成都光明光电股份有限公司 | Optical glass, optical precast product and optical element |
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