JP2012232896A5 - - Google Patents
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- JP2012232896A5 JP2012232896A5 JP2012158307A JP2012158307A JP2012232896A5 JP 2012232896 A5 JP2012232896 A5 JP 2012232896A5 JP 2012158307 A JP2012158307 A JP 2012158307A JP 2012158307 A JP2012158307 A JP 2012158307A JP 2012232896 A5 JP2012232896 A5 JP 2012232896A5
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- Prior art keywords
- glass
- etching rate
- acid
- chemical treatment
- manufacturing
- Prior art date
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Description
本発明は以下の通りである。
［１］
転移点が５５０℃以上である第一のガラスからなる芯部と、
前記芯部の表面を被覆し、化学的処理により除去可能な第二のガラスからなり、かつ膜厚が０.１〜１０００nmの範囲である被覆部と、
を有する、モールドプレス用ガラス素材。
［２］
前記化学的処理は、エッチングであり、
前記第二のガラスのエッチングレートは、前記第一のガラスのエッチングレートよりも大きい、［１］に記載のモールドプレス用ガラス素材。
［３］
前記第二のガラスのエッチングレートは、０．０１〜０．５０であり、かつ、前記第一のガラスのエッチングレートは、０．０００〜０．０５である、［２］に記載のモールドプレス用ガラス素材。
［４］
前記第二のガラスは、ＴｉＯ 2 、Ｎｂ 2 Ｏ 5 、ＷＯ 3 およびＢｉ 2 Ｏ 3 の合計含有量が５ｍｏｌ％以下である、［１］〜［３］のいずれか１項に記載のモールドプレス用ガラス素材。
［５］
前記第二のガラスは、ホウ酸および/またはリン酸を含むガラスである、［１］〜［４］のいずれか１項に記載のモールドプレス用ガラス素材。
［６］
転移点が５５０℃以上である第一のガラスからなる芯部と、
前記芯部の表面を被覆し、化学的処理可能な第二のガラスからなり、かつ膜厚が０．１〜１０００nmの範囲である被覆部と、
を有するガラス素材をレンズ形状にプレス成形して得られたプレス成形品をアニールし、
次いで、プレス成形品の表面にある被覆層を除去してガラス光学素子を得ることを含み、
前記プレス成形品の表面にある前記被覆層を除去する工程は、化学的処理により行われる、ガラス光学素子の製造方法。
［７］
前記化学的処理は、エッチングであり、
前記第二のガラスのエッチングレートが、前記第一のガラスのエッチングレートよりも大きい、［６］に記載の製造方法。
［８］
前記第二のガラスのエッチングレートは、０．０１〜０．５０であり、かつ、前記第一のガラスのエッチングレートは、０．０００〜０．０５である、［７］に記載の製造方法。
［９］
前記第二のガラスは、ＴｉＯ 2 、Ｎｂ 2 Ｏ 5 、ＷＯ 3 およびＢｉ 2 Ｏ 3 の合計含有量が５ｍｏｌ％以下である、［６］〜［８］のいずれか１項に記載の製造方法。
［１０］
前記第二のガラスは、ホウ酸および/またはリン酸を含むガラスである、［６］〜［９］のいずれか１項に記載の製造方法。
［１１］
前記化学的処理に用いる酸は、硝酸、塩酸、硫酸、酢酸及びリン酸の水溶液のうちいずれか１種以上を含み、前記化学的処理に用いるアルカリは、水酸化ナトリウム、及び水酸化カリウムの水溶液のうちいずれか１種以上を含む、［６］〜［１０］のいずれか１項に記載の製造方法。
［１２］
前記化学的処理に用いる酸およびアルカリの濃度は、それぞれ０．０００１Ｎ〜０．１Ｎである、［６］〜［１１］のいずれか１項に記載の製造方法。
The present invention is as follows.
[1]
A core made of a first glass having a transition point of 550 ° C. or higher;
Covering the surface of the core, made of a second glass that can be removed by chemical treatment, and having a thickness in the range of 0.1 to 1000 nm;
A glass material for a mold press having:
[2]
The chemical treatment is etching;
The glass material for mold press according to [1], wherein the etching rate of the second glass is larger than the etching rate of the first glass.
[3]
The mold press according to [2], wherein the etching rate of the second glass is 0.01 to 0.50, and the etching rate of the first glass is 0.000 to 0.05. Glass material for use.
[4]
The mold press according to any one of [1] to [3], wherein the second glass has a total content of TiO 2 , Nb 2 O 5 , WO 3 and Bi 2 O 3 of 5 mol% or less. Glass material for use.
[5]
The glass material for a mold press according to any one of [1] to [4], wherein the second glass is glass containing boric acid and / or phosphoric acid.
[6]
A core made of a first glass having a transition point of 550 ° C. or higher;
Covering the surface of the core, made of a chemically processable second glass, and having a thickness in the range of 0.1 to 1000 nm;
Annealing a press-molded product obtained by press-molding a glass material having a lens shape,
Then, removing the coating layer on the surface of the press-molded product to obtain a glass optical element,
The process of removing the said coating layer in the surface of the said press-molded product is a manufacturing method of the glass optical element performed by chemical treatment.
[7]
The chemical treatment is etching;
The manufacturing method according to [6], wherein an etching rate of the second glass is larger than an etching rate of the first glass.
[8]
The manufacturing method according to [7], wherein the etching rate of the second glass is 0.01 to 0.50, and the etching rate of the first glass is 0.000 to 0.05. .
[9]
The manufacturing method according to any one of [6] to [8], wherein the second glass has a total content of TiO 2 , Nb 2 O 5 , WO 3 and Bi 2 O 3 of 5 mol% or less. .
[10]
Said 2nd glass is a manufacturing method of any one of [6]-[9] which is glass containing a boric acid and / or phosphoric acid.
[11]
The acid used for the chemical treatment includes one or more of nitric acid, hydrochloric acid, sulfuric acid, acetic acid, and phosphoric acid aqueous solution, and the alkali used for the chemical treatment is an aqueous solution of sodium hydroxide and potassium hydroxide. The manufacturing method of any one of [6]-[10] containing any 1 or more types among these.
[12]
The production method according to any one of [6] to [11], wherein the concentrations of the acid and the alkali used for the chemical treatment are 0.0001N to 0.1N, respectively.
Claims (12)
前記芯部の表面を被覆し、化学的処理により除去可能な第二のガラスからなり、かつ膜厚が０.１〜１０００nmの範囲である被覆部と、Covering the surface of the core, made of a second glass that can be removed by chemical treatment, and having a thickness in the range of 0.1 to 1000 nm;
を有する、モールドプレス用ガラス素材。A glass material for a mold press having:
前記第二のガラスのエッチングレートは、前記第一のガラスのエッチングレートよりも大きい、請求項１に記載のモールドプレス用ガラス素材。The glass material for mold press according to claim 1, wherein an etching rate of the second glass is larger than an etching rate of the first glass.
前記芯部の表面を被覆し、化学的処理可能な第二のガラスからなり、かつ膜厚が０．１〜１０００nmの範囲である被覆部と、Covering the surface of the core, made of a chemically processable second glass, and having a thickness in the range of 0.1 to 1000 nm;
を有するガラス素材をレンズ形状にプレス成形して得られたプレス成形品をアニールし、Annealing a press-molded product obtained by press-molding a glass material having a lens shape,
次いで、プレス成形品の表面にある被覆層を除去してガラス光学素子を得ることを含み、Then, removing the coating layer on the surface of the press-molded product to obtain a glass optical element,
前記プレス成形品の表面にある前記被覆層を除去する工程は、化学的処理により行われる、ガラス光学素子の製造方法。The process of removing the said coating layer in the surface of the said press-molded product is a manufacturing method of the glass optical element performed by chemical treatment.
前記第二のガラスのエッチングレートが、前記第一のガラスのエッチングレートよりも大きい、請求項６に記載の製造方法。The manufacturing method according to claim 6, wherein an etching rate of the second glass is larger than an etching rate of the first glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012158307A JP5547777B2 (en) | 2012-07-17 | 2012-07-17 | Manufacturing method of glass optical element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012158307A JP5547777B2 (en) | 2012-07-17 | 2012-07-17 | Manufacturing method of glass optical element |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006100819A Division JP5160042B2 (en) | 2006-03-31 | 2006-03-31 | Manufacturing method of glass optical element |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2012232896A JP2012232896A (en) | 2012-11-29 |
| JP2012232896A5 true JP2012232896A5 (en) | 2013-07-18 |
| JP5547777B2 JP5547777B2 (en) | 2014-07-16 |
Family
ID=47433607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2012158307A Expired - Fee Related JP5547777B2 (en) | 2012-07-17 | 2012-07-17 | Manufacturing method of glass optical element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP5547777B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104470861B (en) * | 2012-07-18 | 2017-08-25 | Hoya株式会社 | Glass products formed and its manufacture method, optical element blank and optical element and its manufacture method |
| CN110526574B (en) * | 2019-10-16 | 2021-11-19 | 浙江富利华水晶科技有限公司 | Preparation method of crystal wine bottle cap |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS574735A (en) * | 1980-06-12 | 1982-01-11 | Nippon Sheet Glass Co Ltd | Method of molding article to be transformed in conformity with mold |
| JPS6033221A (en) * | 1983-08-01 | 1985-02-20 | Asahi Optical Co Ltd | Manufacture of precision glass article |
| US5843200A (en) * | 1995-08-08 | 1998-12-01 | Eastman Kodak Company | Product and process for molding glass lenses |
| JP4017832B2 (en) * | 2001-03-27 | 2007-12-05 | Ｈｏｙａ株式会社 | Optical glass and optical components |
| JP3912774B2 (en) * | 2002-03-18 | 2007-05-09 | Ｈｏｙａ株式会社 | Optical glass for precision press molding, preform for precision press molding and manufacturing method thereof |
-
2012
- 2012-07-17 JP JP2012158307A patent/JP5547777B2/en not_active Expired - Fee Related
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