JP2010059021A5 - - Google Patents
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- JP2010059021A5 JP2010059021A5 JP2008227618A JP2008227618A JP2010059021A5 JP 2010059021 A5 JP2010059021 A5 JP 2010059021A5 JP 2008227618 A JP2008227618 A JP 2008227618A JP 2008227618 A JP2008227618 A JP 2008227618A JP 2010059021 A5 JP2010059021 A5 JP 2010059021A5
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- JP
- Japan
- Prior art keywords
- glass
- producing
- raw material
- fluorophosphate
- press molding
- Prior art date
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- 239000011521 glass Substances 0.000 claims description 41
- 238000004519 manufacturing process Methods 0.000 claims description 36
- 239000005303 fluorophosphate glass Substances 0.000 claims description 29
- 238000000034 method Methods 0.000 claims description 21
- 239000002994 raw material Substances 0.000 claims description 21
- 238000000465 moulding Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 14
- 239000006060 molten glass Substances 0.000 claims description 14
- 230000003287 optical effect Effects 0.000 claims description 14
- 238000002844 melting Methods 0.000 claims description 6
- 230000008018 melting Effects 0.000 claims description 6
- 150000001768 cations Chemical class 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- 229910001020 Au alloy Inorganic materials 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 2
- 229910001260 Pt alloy Inorganic materials 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 150000001450 anions Chemical class 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 239000003353 gold alloy Substances 0.000 claims description 2
- 150000002500 ions Chemical class 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 2
- 125000004437 phosphorous atom Chemical group 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 239000011574 phosphorus Substances 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- CZMRCDWAGMRECN-UGDNZRGBSA-N Sucrose Chemical compound O[C@H]1[C@H](O)[C@@H](CO)O[C@@]1(CO)O[C@@H]1[C@H](O)[C@@H](O)[C@H](O)[C@@H](CO)O1 CZMRCDWAGMRECN-UGDNZRGBSA-N 0.000 claims 1
- 229930006000 Sucrose Natural products 0.000 claims 1
- 238000001816 cooling Methods 0.000 claims 1
- 239000005720 sucrose Substances 0.000 claims 1
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 2
- RHFUXPCCELGMFC-UHFFFAOYSA-N n-(6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl)-n-phenylmethoxyacetamide Chemical compound OC1C(C)(C)OC2=CC=C(C#N)C=C2C1N(C(=O)C)OCC1=CC=CC=C1 RHFUXPCCELGMFC-UHFFFAOYSA-N 0.000 description 1
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 1
Description
上記課題を解決するための手段として本発明は、
（１） 未ガラス化原料を含むガラス原料を熔融容器内に導入して、熔融するフツリン酸ガラスの製造方法において、
前記未ガラス化原料が少なくともフッ素、酸素、リンを含み、未ガラス化原料中のリン原子の量Ｐに対する酸素原子の量Ｏのモル比Ｏ／Ｐを３．５以上にして熔融することを特徴とするフツリン酸ガラスの製造方法、
（２） ガラス中に可視域に吸収を有するイオンを添加しない上記（１）項に記載のフツリン酸ガラスの製造方法。
（３） ガラス原料を熔融して得た熔融ガラスを清澄、均質化した後、流出して成形する工程を連続的に行う上記（１）項または（２）項に記載のフツリン酸ガラスの製造方法、
（４） 複数のフィーダーから熔融ガラスを流出して成形する上記（３）項に記載のフツリン酸ガラスの製造方法、
（５） アッベ数νｄが７０を超えるようにガラス原料を調合する上記（１）項〜（４）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（６） アッベ数νｄが７８を超えるようにガラス原料を調合する上記（５）項に記載のフツリン酸ガラスの製造方法、
（７） カチオン％表示で、
Ｐ５＋ ３〜５０％、
Ａｌ３＋ ５〜４０％、
Ｍｇ２＋ ０〜１０％、
Ｃａ２＋ ０〜３０％、
Ｓｒ２＋ ０〜３０％、
Ｂａ２＋ ０〜４０％、
ただし、Ｍｇ２＋、Ｃａ２＋、Ｓｒ２＋およびＢａ２＋の合計量が１０％以上、
Ｌｉ＋ ０〜３０％、
Ｎａ＋ ０〜２０％、
Ｋ＋ ０〜２０％、
Ｙ３＋ ０〜１０％、
Ｌａ３＋ ０〜１０％、
Ｇｄ３＋ ０〜１０％、
Ｙｂ３＋ ０〜１０％、
Ｂ３＋ ０〜５％、
Ｚｎ２＋ ０〜２０％、
Ｉｎ２＋ ０〜２０％、
を含有するとともに、アニオン％表示で、
Ｆ− ２０〜９５％、
Ｏ２― ５〜８０％
を含有するフツリン酸ガラスが得られるように未ガラス化原料を調合する上記（１）項〜（６）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（８） 希土類元素の合計含有量が５カチオン％未満であり、Ｆ−とＯ２−の合計含有量に対するＦ−の含有量のモル比Ｆ−／（Ｆ−＋Ｏ２−）が０．２を超え、屈折率ｎｄが１．５３を超えるようにガラス原料を調合する上記（１）項〜（６）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（９） 熔融容器が白金、白金合金、金、金合金のいずれかにより構成されている上記（１）項〜（８）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（１０） 流出する熔融ガラスを鋳型に鋳込み、成形する上記（１）項〜（９）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（１１） 流出する熔融ガラスから熔融ガラス塊を分離し、前記ガラス塊を浮上させながら冷却、固化する過程で成形する上記（１）項〜（９）項のいずれか１項に記載のフツリン酸ガラスの製造方法、
（１２） 上記（１０）項に記載の方法によりフツリン酸ガラスからなるガラス成形体を作製し、前記ガラス成形体を加工してプレス成形用ガラス素材を作製するプレス成形用ガラス素材の製造方法、
（１３） 上記（１１）項に記載の方法によりプレス成形用ガラス素材を作製するプレス成形用ガラス素材の製造方法、
（１４） 上記（１２）項または（１３）項に記載の方法でプレス成形用ガラス素材を作製し、前記ガラス素材を加熱、軟化し、プレス成形する光学素子ブランクの製造方法、
（１５） 上記（１）項〜（９）項のいずれか１項に記載の方法により熔融ガラスを作製して流出し、熔融ガラス塊を分離し、前記ガラス塊をプレス成形する光学素子ブランクの製造方法、
（１６） 上記（１４）項または（１５）項に記載の方法により光学素子ブランクを作製し、前記ブランクを研削、研磨する光学素子の製造方法、
（１７） 上記（１２）項または（１３）項に記載の方法でプレス成形用ガラス素材を作製し、前記ガラス素材を加熱し、精密プレス成形する光学素子の製造方法、
（１８） 上記（１）項〜（１０）項にいずれか１項に記載の方法によりフツリン酸ガラスからなるガラス成形体を作製し、前記ガラス成形体を加工して光学素子を作製する光学素子の製造方法、
を提供するものである。
As a means for solving the above problems, the present invention provides:
(1) In a method for producing a fluorophosphate glass in which a glass raw material containing an unvitrified raw material is introduced into a melting vessel and melted,
The unvitrified raw material contains at least fluorine, oxygen, and phosphorus, and is melted at a molar ratio O / P of the amount O of oxygen atoms to the amount P of phosphorus atoms in the unvitrified raw material is 3.5 or more. A method for producing fluorophosphate glass,
(2) The method for producing a fluorophosphate glass according to the above (1), wherein an ion having absorption in the visible region is not added to the glass.
( 3 ) Production of fluorophosphate glass according to (1) or (2) above, wherein the molten glass obtained by melting glass raw material is clarified and homogenized, and then continuously flows out and forms. Method,
( 4 ) The method for producing a fluorophosphate glass according to the above ( 3 ), wherein molten glass is flowed out from a plurality of feeders and molded.
( 5 ) The method for producing a fluorophosphate glass according to any one of (1) to ( 4 ) above, wherein the glass raw material is prepared so that the Abbe number νd exceeds 70,
( 6 ) The method for producing a fluorophosphate glass according to the above ( 5 ), wherein the glass raw material is prepared so that the Abbe number νd exceeds 78,
(7) In cation% display,
P 5+ 3-50%,
Al 3+ 5-40%,
Mg 2+ 0-10%,
Ca 2+ 0-30%,
Sr2 + 0-30%,
Ba 2+ 0-40%,
However, the total amount of Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ is 10% or more,
Li + 0-30%,
Na + 0-20%,
K + 0-20%,
Y 3+ 0-10%,
La 3+ 0-10%,
Gd 3+ 0-10%,
Yb 3+ 0-10%,
B 3+ 0~ 5%,
Zn 2+ 0-20%,
In 2+ 0-20%,
And an anion% display,
F - 20-95%,
O 2- 5~80%
The method for producing a fluorophosphate glass according to any one of the above items (1) to (6), wherein an unvitrified raw material is prepared so that a fluorophosphate glass containing phosphine is obtained,
( 8 ) The total content of rare earth elements is less than 5 cation%, and the molar ratio F − / (F − + O 2− ) of the content of F − to the total content of F − and O 2− is 0.2. The method for producing a fluorophosphate glass according to any one of (1) to ( 6 ) above, wherein the glass raw material is prepared so that the refractive index nd exceeds 1.53.
( 9 ) The method for producing a fluorophosphate glass according to any one of (1) to ( 8 ) above, wherein the melting vessel is composed of any one of platinum, platinum alloy, gold, and gold alloy.
( 10 ) The method for producing a fluorophosphate glass according to any one of (1) to ( 9 ) above, wherein the molten glass flowing out is cast into a mold and molded.
( 11 ) The fluorophosphoric acid according to any one of (1) to ( 9 ) above, wherein the molten glass lump is separated from the flowing molten glass, and the glass lump is cooled and solidified while being floated. Glass manufacturing method,
( 12 ) A method for producing a glass material for press molding, wherein a glass molded body made of fluorophosphate glass is produced by the method described in ( 10 ) above, and the glass molded body is processed to produce a glass material for press molding,
( 13 ) A method for producing a glass material for press molding, wherein a glass material for press molding is produced by the method described in ( 11 ) above,
( 14 ) A method for producing an optical element blank, wherein a glass material for press molding is prepared by the method described in ( 12 ) or ( 13 ) above, the glass material is heated, softened, and press-molded.
( 15 ) An optical element blank for producing a molten glass by the method described in any one of the above items (1) to ( 9 ), flowing out, separating the molten glass lump, and press-molding the glass lump. Production method,
( 16 ) An optical element manufacturing method by which an optical element blank is prepared by the method described in ( 14 ) or ( 15 ), and the blank is ground and polished.
( 17 ) A method for producing an optical element, wherein a glass material for press molding is prepared by the method described in the above item ( 12 ) or ( 13 ), the glass material is heated, and precision press molding is performed.
( 18 ) An optical element in which a glass molded body made of fluorophosphate glass is produced by the method described in any one of (1) to ( 10 ), and the glass molded body is processed to produce an optical element. Manufacturing method,
Is to provide.
Claims (18)
前記未ガラス化原料が少なくともフッ素、酸素、リンを含み、未ガラス化原料中のリン原子の量Ｐに対する酸素原子の量Ｏのモル比Ｏ／Ｐを３．５以上にして熔融することを特徴とするフツリン酸ガラスの製造方法。 In the method for producing fluorophosphate glass, in which a glass raw material containing an unvitrified raw material is introduced into a melting vessel and melted,
The unvitrified raw material contains at least fluorine, oxygen, and phosphorus, and is melted at a molar ratio O / P of the amount O of oxygen atoms to the amount P of phosphorus atoms in the unvitrified raw material is 3.5 or more. A method for producing fluorophosphate glass.
Ｐ５＋ ３〜５０％、
Ａｌ３＋ ５〜４０％、
Ｍｇ２＋ ０〜１０％、
Ｃａ２＋ ０〜３０％、
Ｓｒ２＋ ０〜３０％、
Ｂａ２＋ ０〜４０％、
ただし、Ｍｇ２＋、Ｃａ２＋、Ｓｒ２＋およびＢａ２＋の合計量が１０％以上、
Ｌｉ＋ ０〜３０％、
Ｎａ＋ ０〜２０％、
Ｋ＋ ０〜２０％、
Ｙ３＋ ０〜１０％、
Ｌａ３＋ ０〜１０％、
Ｇｄ３＋ ０〜１０％、
Ｙｂ３＋ ０〜１０％、
Ｂ３＋ ０〜５％、
Ｚｎ２＋ ０〜２０％、
Ｉｎ２＋ ０〜２０％、
を含有するとともに、アニオン％表示で、
Ｆ− ２０〜９５％、
Ｏ２− ５〜８０％
を含有するフツリン酸ガラスが得られるように未ガラス化原料を調合する請求項１〜６のいずれか１項に記載のフツリン酸ガラスの製造方法。 In cation% display,
P 5+ 3-50%,
Al 3+ 5-40%,
Mg 2+ 0-10%,
Ca 2+ 0-30%,
Sr2 + 0-30%,
Ba 2+ 0-40%,
However, the total amount of Mg 2+ , Ca 2+ , Sr 2+ and Ba 2+ is 10% or more,
Li + 0-30%,
Na + 0-20%,
K + 0-20%,
Y 3+ 0-10%,
La 3+ 0-10%,
Gd 3+ 0-10%,
Yb 3+ 0-10%,
B 3+ 0~ 5%,
Zn 2+ 0-20%,
In 2+ 0-20%,
And an anion% display,
F - 20-95%,
O 2- 5-80%
The method for producing a fluorophosphate glass according to any one of claims 1 to 6, wherein an unvitrified raw material is prepared so that a fluorophosphate glass containing sucrose is obtained.
The method for manufacturing an optical element to produce a glass shaped material formed of fluorophosphate glass by a process according to any one to claims 1-10, for producing an optical element by processing the glass molded body.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008227618A JP2010059021A (en) | 2008-09-04 | 2008-09-04 | Fluorophosphate glass, glass base material for press forming, optical element blank, optical element and method of producing them |
| CN200910172054A CN101665324A (en) | 2008-09-04 | 2009-09-03 | Manufacturing method of fluorophosphate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2008227618A JP2010059021A (en) | 2008-09-04 | 2008-09-04 | Fluorophosphate glass, glass base material for press forming, optical element blank, optical element and method of producing them |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2010059021A JP2010059021A (en) | 2010-03-18 |
| JP2010059021A5 true JP2010059021A5 (en) | 2013-01-17 |
Family
ID=41802134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008227618A Pending JP2010059021A (en) | 2008-09-04 | 2008-09-04 | Fluorophosphate glass, glass base material for press forming, optical element blank, optical element and method of producing them |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2010059021A (en) |
| CN (1) | CN101665324A (en) |
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| JP5801773B2 (en) | 2011-08-11 | 2015-10-28 | Hoya株式会社 | Fluorophosphate glass, method for producing the same, and near infrared light absorption filter |
| JP6366122B2 (en) * | 2012-11-21 | 2018-08-01 | 日本電気硝子株式会社 | Method for producing fluorophosphate glass |
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| CN110963706A (en) * | 2018-09-28 | 2020-04-07 | 成都光明光电股份有限公司 | Fluorophosphate optical glass, optical preform, element and instrument |
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| JP4498315B2 (en) * | 2005-07-28 | 2010-07-07 | Ｈｏｙａ株式会社 | Optical glass, optical element and manufacturing method thereof |
| JP5004202B2 (en) * | 2005-09-14 | 2012-08-22 | Ｈｏｙａ株式会社 | Optical glass, precision press-molding preform and optical element |
| JP2008100872A (en) * | 2006-10-19 | 2008-05-01 | Hoya Corp | Method of manufacturing glass preform and method of manufacturing optical element |
| JP2008137877A (en) * | 2006-12-05 | 2008-06-19 | Hoya Corp | Optical glass and optical element |
| CN106277761B (en) * | 2007-03-06 | 2019-09-03 | Hoya株式会社 | Optical glass, preform for press forming, optical element and their manufacturing method |
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2008
- 2008-09-04 JP JP2008227618A patent/JP2010059021A/en active Pending
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2009
- 2009-09-03 CN CN200910172054A patent/CN101665324A/en active Pending
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