JP5079979B2 - 光学用ガラス - Google Patents
光学用ガラス Download PDFInfo
- Publication number
- JP5079979B2 JP5079979B2 JP2004375242A JP2004375242A JP5079979B2 JP 5079979 B2 JP5079979 B2 JP 5079979B2 JP 2004375242 A JP2004375242 A JP 2004375242A JP 2004375242 A JP2004375242 A JP 2004375242A JP 5079979 B2 JP5079979 B2 JP 5079979B2
- Authority
- JP
- Japan
- Prior art keywords
- glass
- refractive index
- thermal expansion
- optical
- mold
- 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.)
- Active
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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/16—Silica-free oxide glass compositions containing phosphorus
- C03C3/21—Silica-free oxide glass compositions containing phosphorus containing titanium, zirconium, vanadium, tungsten or molybdenum
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/066—Glass compositions containing silica with less than 40% silica by weight containing boron containing zinc
-
- 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
- C03C3/062—Glass compositions containing silica with less than 40% silica by weight
- C03C3/064—Glass compositions containing silica with less than 40% silica by weight containing boron
- C03C3/068—Glass compositions containing silica with less than 40% silica by weight containing boron containing rare earths
-
- 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
-
- 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/15—Silica-free oxide glass compositions containing boron containing rare earths
- C03C3/155—Silica-free oxide glass compositions containing boron containing rare earths containing zirconium, titanium, tantalum or niobium
-
- 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
- C03C3/12—Silica-free oxide glass compositions
- C03C3/16—Silica-free oxide glass compositions containing phosphorus
- C03C3/19—Silica-free oxide glass compositions containing phosphorus 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)
Description
(1)光の損失を低減するために、高い透過率を有すること(具体的には、肉厚10mmにおけるガラスの透過率が、波長500nmにおいて65%以上、波長1300〜1600nmにおいて75%以上であること)。
(2)長期間に亘って使用しても、ガラス表面が変質しないような耐候性を有すること。(3)溶融ガラスをインゴットや液滴状に成形する際に失透しないこと(具体的には、液相温度が1100℃以下であること)。
(4)モールドプレスする際の金型を劣化させないようにするために、ガラスの転移点が低いこと(具体的には、ガラスの転移点が550℃以下であること)。
Claims (1)
- モル百分率で、B2O3 13〜19.5%、ZnO 5〜30%、La2O3 5〜15%、TeO2 10〜45%、Nb2O5 5〜20%、TiO2 0〜10%、WO3 0〜10%、SiO2 0〜5%、Al2O3 0〜5%、CaO 0〜7%、BaO 0〜7%、SrO 0〜7%、Li2O 0〜5%、Na2O 0〜5%、K2O 0〜5%を含有する光学ガラスであって、屈折率(nd)が1.95以上、熱膨張係数が60〜120×10 −7 /℃、ビッカース硬度(Hv)が450以上、液相温度が1100℃以下、転移点(Tg)が550℃以下であり、肉厚10mmにおけるガラスの透過率が、波長500nmにおいて65%以上、波長1300〜1600nmにおいて75%以上であることを特徴とする光学ガラス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004375242A JP5079979B2 (ja) | 2004-12-27 | 2004-12-27 | 光学用ガラス |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004375242A JP5079979B2 (ja) | 2004-12-27 | 2004-12-27 | 光学用ガラス |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011098996A Division JP2011184294A (ja) | 2011-04-27 | 2011-04-27 | 光学用ガラス |
JP2011098995A Division JP5578327B2 (ja) | 2011-04-27 | 2011-04-27 | 光学用ガラス |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006182577A JP2006182577A (ja) | 2006-07-13 |
JP5079979B2 true JP5079979B2 (ja) | 2012-11-21 |
Family
ID=36735968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004375242A Active JP5079979B2 (ja) | 2004-12-27 | 2004-12-27 | 光学用ガラス |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP5079979B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011153072A (ja) * | 2011-04-27 | 2011-08-11 | Nippon Electric Glass Co Ltd | 光学用ガラス |
JP2011184294A (ja) * | 2011-04-27 | 2011-09-22 | Nippon Electric Glass Co Ltd | 光学用ガラス |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006001346A1 (ja) * | 2004-06-24 | 2006-01-05 | Asahi Glass Company, Limited | 光学ガラスおよびレンズ |
US8187986B2 (en) * | 2006-10-24 | 2012-05-29 | Ohara Inc. | Optical glass |
KR100869664B1 (ko) * | 2006-11-13 | 2008-11-21 | 한국기초과학지원연구원 | 이산화텔루르계 결정화 유리 |
US8053384B2 (en) | 2007-04-03 | 2011-11-08 | Ohara Inc. | Optical glass |
JP5174373B2 (ja) * | 2007-04-25 | 2013-04-03 | 株式会社オハラ | 光学ガラス |
WO2009001907A1 (en) * | 2007-06-27 | 2008-12-31 | Nikon Corporation | Glass composition and optical member and optical instrument using the same |
JP2009010206A (ja) * | 2007-06-28 | 2009-01-15 | Asahi Glass Co Ltd | 発光素子被覆用ガラス及びガラス被覆発光装置 |
JP5729798B2 (ja) * | 2007-11-08 | 2015-06-03 | 日本電気硝子株式会社 | TeO2−La2O3−WO3の骨格を有する光学レンズ用ガラス |
JP4948569B2 (ja) * | 2008-06-27 | 2012-06-06 | Hoya株式会社 | 光学ガラス |
JP5510883B2 (ja) * | 2008-08-01 | 2014-06-04 | 日本電気硝子株式会社 | レンズアレイ |
JP5448238B2 (ja) * | 2008-08-26 | 2014-03-19 | 日本電気硝子株式会社 | TeO2−ZnO−B2O3系光学ガラス |
JP2010105906A (ja) * | 2008-09-30 | 2010-05-13 | Ohara Inc | 光学ガラス、光学素子及び精密プレス成形用プリフォーム |
JP5936296B2 (ja) * | 2009-04-30 | 2016-06-22 | 株式会社オハラ | 光学ガラス |
JP2011093755A (ja) * | 2009-10-30 | 2011-05-12 | Ohara Inc | 光学ガラス、光学素子及び精密プレス成形用プリフォーム |
JP2013010661A (ja) * | 2011-06-29 | 2013-01-17 | Ohara Inc | ガラス組成物 |
JP7076981B2 (ja) | 2017-10-25 | 2022-05-30 | キヤノン株式会社 | 光学ガラス、光学素子、光学機器および光学ガラスの製造方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61197443A (ja) * | 1985-02-22 | 1986-09-01 | Hoya Corp | 光学ガラス |
-
2004
- 2004-12-27 JP JP2004375242A patent/JP5079979B2/ja active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011153072A (ja) * | 2011-04-27 | 2011-08-11 | Nippon Electric Glass Co Ltd | 光学用ガラス |
JP2011184294A (ja) * | 2011-04-27 | 2011-09-22 | Nippon Electric Glass Co Ltd | 光学用ガラス |
Also Published As
Publication number | Publication date |
---|---|
JP2006182577A (ja) | 2006-07-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5079979B2 (ja) | 光学用ガラス | |
JP4751225B2 (ja) | 光学ガラス、精密プレス成形用プリフォーム、光学素子およびそれらの製造方法 | |
JP4567713B2 (ja) | 光学ガラスおよび光学素子 | |
JP5748184B2 (ja) | モールドプレス成形用光学ガラス | |
JP6136009B2 (ja) | 光学ガラス | |
JP6201605B2 (ja) | 光学ガラス | |
JP2009084059A (ja) | 光学ガラス、精密プレス成形用プリフォームおよびその製造方法、光学素子およびその製造方法 | |
JP2004315324A (ja) | 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 | |
JP5825562B2 (ja) | モールドプレス成形用光学ガラス | |
JP5671776B2 (ja) | 光学ガラス | |
JP2006131450A (ja) | 光学ガラスおよびレンズ | |
JP2010037181A (ja) | TeO2−La2O3系光学ガラス | |
WO2012102068A1 (ja) | 光学ガラス | |
JP5448238B2 (ja) | TeO2−ZnO−B2O3系光学ガラス | |
JP5218059B2 (ja) | 光学ガラス | |
JP2011184294A (ja) | 光学用ガラス | |
JP5578327B2 (ja) | 光学用ガラス | |
JP2003176151A (ja) | モールドプレス成形用光学ガラス | |
JP2012197217A (ja) | 光学ガラス | |
JP2018150199A (ja) | 光学ガラス | |
JP5824922B2 (ja) | 光学ガラス | |
JP2018062441A (ja) | 光学ガラス | |
JP5945495B2 (ja) | 光学ガラス、精密プレス成形用プリフォームおよびその製造方法、光学素子およびその製造方法 | |
JP2021014377A (ja) | 光学ガラス | |
JP5419910B2 (ja) | 光学ガラス、精密プレス成形用プリフォーム、光学素子およびそれらの製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071004 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20100713 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100823 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20110221 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110427 |
|
A911 | Transfer of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20110510 |
|
A912 | Removal of reconsideration by examiner before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20110805 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120614 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20120830 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150907 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 5079979 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |