JPS6320775B2 - - Google Patents
Info
- Publication number
- JPS6320775B2 JPS6320775B2 JP22703083A JP22703083A JPS6320775B2 JP S6320775 B2 JPS6320775 B2 JP S6320775B2 JP 22703083 A JP22703083 A JP 22703083A JP 22703083 A JP22703083 A JP 22703083A JP S6320775 B2 JPS6320775 B2 JP S6320775B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- softening point
- chemical durability
- refractive index
- present
- 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
Links
- 239000000203 mixture Substances 0.000 claims description 6
- 229910018072 Al 2 O 3 Inorganic materials 0.000 claims description 5
- 239000005304 optical glass Substances 0.000 claims description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims 1
- 229910052593 corundum Inorganic materials 0.000 claims 1
- 229910001845 yogo sapphire Inorganic materials 0.000 claims 1
- 239000011521 glass Substances 0.000 description 34
- 239000000126 substance Substances 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
- 239000006185 dispersion Substances 0.000 description 5
- 229910018068 Li 2 O Inorganic materials 0.000 description 3
- 238000007496 glass forming Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 229910018626 Al(OH) Inorganic materials 0.000 description 1
- 229910021193 La 2 O 3 Inorganic materials 0.000 description 1
- 206010040925 Skin striae Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000004031 devitrification Methods 0.000 description 1
- 239000005308 flint glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Glass Compositions (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22703083A JPS60122749A (ja) | 1983-12-02 | 1983-12-02 | 光学ガラス |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22703083A JPS60122749A (ja) | 1983-12-02 | 1983-12-02 | 光学ガラス |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60122749A JPS60122749A (ja) | 1985-07-01 |
| JPS6320775B2 true JPS6320775B2 (ru) | 1988-04-30 |
Family
ID=16854414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22703083A Granted JPS60122749A (ja) | 1983-12-02 | 1983-12-02 | 光学ガラス |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60122749A (ru) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8501649B2 (en) | 2010-08-06 | 2013-08-06 | Asahi Glass Company, Limited | Optical glass |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2616980B2 (ja) * | 1988-11-01 | 1997-06-04 | 株式会社住田光学ガラス | 精密プレス成形用光学ガラス |
| JP2002211949A (ja) * | 2001-01-12 | 2002-07-31 | Minolta Co Ltd | プレス成形用光学ガラス、プレス成形用プリフォーム材およびこれを用いた光学素子 |
| JP2004168593A (ja) * | 2002-11-20 | 2004-06-17 | Minolta Co Ltd | 光学ガラス |
| JP4162532B2 (ja) | 2003-04-18 | 2008-10-08 | Ｈｏｙａ株式会社 | 光学ガラス、プレス成形用プリフォーム及びその製造方法、光学素子及びその製造方法 |
| JP4744795B2 (ja) * | 2003-09-04 | 2011-08-10 | Ｈｏｙａ株式会社 | 精密プレス成形用プリフォームおよびその製造方法並びに光学素子およびその製造方法 |
| JP5690505B2 (ja) * | 2010-05-20 | 2015-03-25 | 株式会社住田光学ガラス | 光学ガラスならびに、モールドプレス成形用プリフォームおよび光学素子 |
| JP5966236B2 (ja) * | 2011-03-24 | 2016-08-10 | アルプス・グリーンデバイス株式会社 | 圧粉磁心及びその製造方法 |
| TWI743061B (zh) * | 2015-11-06 | 2021-10-21 | 日商小原股份有限公司 | 光學玻璃、預成形材及光學元件 |
-
1983
- 1983-12-02 JP JP22703083A patent/JPS60122749A/ja active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8501649B2 (en) | 2010-08-06 | 2013-08-06 | Asahi Glass Company, Limited | Optical glass |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60122749A (ja) | 1985-07-01 |
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