CN109715575A - Glass material and its manufacturing method - Google Patents
Glass material and its manufacturing method Download PDFInfo
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- CN109715575A CN109715575A CN201780057494.9A CN201780057494A CN109715575A CN 109715575 A CN109715575 A CN 109715575A CN 201780057494 A CN201780057494 A CN 201780057494A CN 109715575 A CN109715575 A CN 109715575A
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- 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
-
- 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
- C03C4/00—Compositions for glass with special properties
- C03C4/0085—Compositions for glass with special properties for UV-transmitting glass
-
- 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
- C03C3/04—Glass compositions containing silica
- C03C3/076—Glass compositions containing silica with 40% to 90% silica, by weight
- C03C3/095—Glass compositions containing silica with 40% to 90% silica, by weight 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
- C03C3/15—Silica-free oxide glass compositions 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
- C03C3/16—Silica-free oxide glass compositions containing phosphorus
-
- 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
- C03C3/17—Silica-free oxide glass compositions containing phosphorus 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
- C03C4/00—Compositions for glass with special properties
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/09—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on magneto-optical elements, e.g. exhibiting Faraday effect
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B19/00—Other methods of shaping glass
-
- 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
- C03C2203/00—Production processes
- C03C2203/10—Melting processes
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Manufacturing & Machinery (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Glass Compositions (AREA)
- Glass Melting And Manufacturing (AREA)
Abstract
The present invention provides a kind of glass material that can take into account the high light transmittance in high Faraday effect and short wavelength range.The glass material is characterized in that: in terms of mole %, containing Pr2O330~50%, B2O3+P2O50.1~70%.
Description
Technical field
The present invention relates to be suitable for use in constitute optoisolator, light circulator, Magnetic Sensor etc. magnetic machine magneto-optic element,
The glass material of magnetic glass lens for digital camera etc., the material of sheet glass for bandpass filter etc. and its manufacture
Method.
Background technique
The glass material of the known terbium oxide containing as Paramagnetic compounds etc. shows the faraday of one of magneto-optic effect
Effect.Faraday effect is the effect for instigating the plane of polarisation of the linear polarization of the material by being placed in magnetic field to rotate.It is such
Effect can utilize in optoisolator, magnetic field sensor etc..
(rotation angle of the plane of polarisation) θ of the optical activity as caused by Faraday effect the intensity in magnetic field is denoted as H, polarisation leads to
When the length for the substance crossed is denoted as L, indicated by following formula.In formula, V is to rely on the constant of the type of substance, referred to as
Verdet constant (Verdet Constant).The value that Verdet constant is positive when for diamagnetic body is when for paramagnetic substance
Negative value.The absolute value of Verdet constant is bigger, and the absolute value of optical activity is also bigger, as a result, faraday's effect that display is big
It answers.
θ=VHL
Currently, the glass material as display Faraday effect, it is known to SiO2- B2O3- Al2O3- Tb2O3The glass of system
Glass material (referring to patent document 1), P2O5- B2O3- Tb2O3The glass material (referring to patent document 2) or P of system2O5- TbF3?
RF2Glass material (referring to patent document 3) of (R is alkaline-earth metal) system etc..
Existing technical literature
Patent document
Patent document 1: Japanese Patent Publication 51-46524 bulletin
Patent document 2: Japanese Patent Publication 52-32881 bulletin
Patent document 3: Japanese Patent Publication 55-42942 bulletin
Summary of the invention
Problems to be solved by the invention
Above-mentioned glass material shows high transmission in the range of visible range~infra-red range (such as 420~1500nm)
Rate, but the light absorption as caused by terbium element itself is shown at short wavelength range (such as 420nm or less).Therefore, in short wavelength
In range, light transmittance is reduced, and there is a problem of the light extraction efficiency difference of magneto-optic device.
In view of the above fact, the purpose of the present invention is to provide can take into account in high Faraday effect and short wavelength range
High light transmittance glass material.
A technical solution to solve project
The present inventor has made intensive studies, as a result, it has been found that, it, can using the glass material with specific composition
Solve the above subject.
That is, glass material of the invention is characterized in that, in terms of mole %, contain Pr2O330~50%, B2O3+P2O5
0.1~70%.Here, " B2O3+P2O5" refer to B2O3And P2O5Content total amount.
Glass material of the invention is as described above, by largely containing Pr2O3, the absolute value of Verdet constant becomes larger, and shows
Big Faraday effect.In addition, Pr2O3Substantially do not show that light is inhaled in the wave-length coverage of 420nm or less (such as 250~420nm)
It receives, therefore shows high transmitance in the wave-length coverage.
In addition, when the UV absorption end of glass is located near 400nm, Pr2O3Absorption disappear, and glass itself occurs
UV absorption, lead to the reduction in 420nm transmitance below.By containing B2O3And P2O5It is at least one as necessary
Ingredient finds that the UV absorption end of glass is mobile to short wavelength side, thus proposes the present invention.In addition, B2O3And P2O5It is glass
Framework ingredient, even if therefore have largely contain Pr2O3Also it is easy vitrified feature.Even if making glass material major diameter as a result,
Also it is not easy to crystallize, can be improved productivity.
Glass material of the invention in terms of mole % preferably also containing 0~50% Al2O3.In this way, vitrifying becomes more to hold
Easily.
Glass material of the invention preferably when with a thickness of 1mm, minimal wave length when light transmittance reaches 60% be 350nm with
Under.In such manner, it is possible to improve the light extraction efficiency of the magneto-optic device in short wavelength range.
Glass material of the invention can be used as magneto-optic element.For example, glass material of the invention can be used as making
For a kind of Faraday rotation element of magneto-optic element.By the way that effect of the invention can be enjoyed for above-mentioned purposes.
The manufacturing method of glass material of the invention is used to manufacture above-mentioned glass material, the method is characterized in that, packet
It includes: in the state of making glass raw material block keep air suspension, melting glass raw material block heating, after obtaining melten glass,
By the cooling process of melten glass.
In general, glass material manufactures (melting and melting raw material in the melt container of crucible etc. and cooling down
Method).But glass material of the invention has a large amount of Pr for containing and not constituting glass skeleton substantially as described above2O3Group
At, be to be difficult to vitrified material, therefore, common fusion method may cause using the contact interface with melt container as starting point and
It crystallizes.
It, also being capable of vitrifying by not with the interfacial contact of melt container even being difficult to vitrified composition.As this
The method of sample, it is known to so that raw material suspend state melted, cool down without container suspension method.When using this method, by
It is hardly contacted with melt container in melten glass, therefore can prevent from being crystallized using the interface with melt container as starting point
Change, it being capable of vitrifying.
The effect of invention
Glass material of the invention can take into account the high light transmittance in high Faraday effect and short wavelength range, especially
It is suitable for the Faraday rotation element of the magneto-optic device in short wavelength range.
Detailed description of the invention
Fig. 1 is the schematic section for indicating an embodiment of device for glass material for manufacturing the present invention.
Specific embodiment
Glass material of the invention contains Pr in terms of mole %2O330~50%, B2O3+P2O50.1~70%.It says below
The reasons why bright such restriction glass compositing range.In addition, in the explanation of the content about each ingredient below, as long as no spy
Do not mentionlet alone bright, " % " refers to " mole % ".
Pr2O3It is the ingredient for increasing the absolute value of Verdet constant and improving Faraday effect.Pr2O3Content be 30~
50%, preferably 30~49%, 31~48%, particularly 32~47%.Pr2O3Content it is very few when, Verdet constant it is absolute
Value becomes smaller, it is difficult to obtain sufficient Faraday effect.On the other hand, Pr2O3Content it is excessive when, the UV absorption end of glass holds
It is easily mobile to long wavelength side.Additionally, there are be also difficult to vitrified trend.
In addition, the Pr in the present invention2O3Content be the Pr that will be present in glass be all scaled trivalent oxide and
The value of expression.
About the magnetic moment for the origin for becoming Verdet constant, Pr3+Greater than Pr4+.Therefore, the Pr in glass material3+Ratio
Example is bigger, then Faraday effect is bigger, so it is preferred that.Specifically, Pr in whole Pr3+Ratio, in terms of mole %, preferably
It is 50% or more, 60% or more, 70% or more, 80% or more, particularly 90% or more.
B2O3And P2O5It is to become glass skeleton, the ingredient for expanding vitrifying range.In addition, by containing these at
Point, UV absorption end can be made mobile to short wavelength side.But these ingredients are unfavorable for the raising of Verdet constant, therefore contain
When measuring excessive, it becomes difficult to obtain sufficient Faraday effect.Therefore, B2O3And P2O5Content be in the total amount 0.1~
70%, preferably 0.5~69%, 1~68%, 2~67%, 3~66%, particularly 4~65%.
In addition, B2O3And P2O5Each ingredient preferred content it is as follows.
B2O3Content be preferably 0~70% (but not including that 70%), 0.1~69%, 1~68%, 2~67%, 3~
66%, particularly 4~65%.
P2O5Content be preferably 0~70%, 0.1~60%, 1~55%, 2~50%, 3~48%, 4~47%, especially
It is 5~46%.
In glass material of the invention, in addition to the above ingredients, various composition as shown below can be contained.
Al2O3It is the ingredient for forming glass skeleton as intermidate oxide, expanding vitrifying range.But due to Al2O3
It is unfavorable for the raising of Verdet constant, when content is excessive, it becomes difficult to obtain sufficient Faraday effect.Therefore, Al2O3's
Content is preferably 0~50%, 0.1~40%, 1~30%, 1~20%, particularly 1~10%.
SiO2Contribute to the ingredient that glass forms, expands vitrifying range.But SiO2When excessive, the ultraviolet suction of glass
Receiving end is easy mobile to long wavelength side.Therefore, SiO2Content be preferably 0~40%, 0~35%, 0~30%, 0.1~
25%, particularly 1~20%.
La2O3、Gd2O3、Yb2O3、Y2O3With making vitrified stability-enhanced effect, but when its content is excessive, instead
And become difficult to vitrifying.Also, become the reason of light transmittance reduces.Therefore, La2O3、Gd2O3、Yb2O3、Y2O3Content difference
Preferably 10% or less, particularly 5% or less.
Tb2O3、Dy2O3、Eu2O3、Ce2O3Facilitate the raising of Verdet constant, but becomes the reason of light transmittance reduces.
Therefore, Tb2O3、Dy2O3、Eu2O3、Ce2O3Content be respectively preferably 10% or less, 5% or less, particularly 1% or less.In addition,
Tb2O3、Dy2O3、Eu2O3、Ce2O3Content be that Tb, Dy, Eu, Ce for will be present in glass are all scaled the oxide of trivalent
And the content indicated.
MgO, CaO, SrO, BaO have the effect of improving the durability of vitrified stability and chemistry.But due to not
Conducive to the raising of Verdet constant, when content is excessive, it becomes difficult to obtain sufficient Faraday effect.Therefore, these ingredients
Content be respectively preferably 0~10%, particularly 0~5%.
Ga2O3Have the effect of improving glass forming ability, expand vitrifying range.But content it is excessive when, become
It is easy devitrification.In addition, Ga2O3It is unfavorable for the raising of Verdet constant, when content is excessive, it becomes difficult to obtain sufficient farad
Effect.Therefore, Ga2O3Content be preferably 0~6%, particularly 0~5%.
Fluorine has the effect of improving glass forming ability, expands vitrifying range.But content it is excessive when, there are molten
Melt middle volatilization and cause component fluctuation, or to the worry that vitrified stability has an impact.Therefore, the content (F of fluorine2It changes
Calculate) it is preferably 0~10%, 0~7%, particularly preferably 0~5%.
Sb can be added2O3As reducing agent.But in order to avoid colouring or considering the load to environment, Sb2O3Contain
Amount preferably 0.1% or less.
It is excellent when glass material of the invention is especially used as the magneto-optic element of optoisolator, light circulator, Magnetic Sensor etc.
Selecting UV absorption end is short wavelength.Therefore, when with a thickness of 1mm, minimal wave length when light transmittance reaches 60% is preferably 350nm
Below, 345nm or less, 340nm or less, 330nm or less, 320nm or less, particularly 300nm or less.In addition, the light transmittance is
It also include the external transmitance of reflection.
Glass material of the invention can for example be manufactured by no container suspension method.Fig. 1 is indicated for by no container
Suspension method manufactures the schematic section of an example of the manufacturing device of glass material.Hereinafter, side is referring to Fig.1, while to glass of the invention
The manufacturing method of glass material is illustrated.
The manufacturing device 1 of glass material has shaping mould 10.Shaping mould 10 plays the effect as melt container.Shaping mould
10 with the forming surface 10a and multiple gas ejection hole 10b for being opened on forming surface 10a.Gas ejection hole 10b and gas bottle etc.
Gas supply mechanism 11 connects.From the gas supply mechanism 11 via gas ejection hole 10b to forming surface 10a supply gas.Gas
The type of body is not particularly limited, for example, it may be air, oxygen, are also possible to nitrogen, argon gas, helium, carbon monoxide gas
Body, carbon dioxide gas, the reducibility gas containing hydrogen.
When manufacturing glass material using manufacturing device 1, firstly, glass raw material block 12 is configured on forming surface 10a.As
Glass raw material block 12, for example, the raw material block for obtaining raw material powder by the integration such as extrusion forming can be enumerated, by raw material powder
End by the sintered body that obtains its sintering after the integration such as extrusion forming, with forming same composition with target glass
The aggregate etc. of crystallization.
Then, by spraying gas from gas ejection hole 10b, glass raw material block 12 is made to suspend on forming surface 10a.That is,
Glass raw material block 12 is kept with the state not contacted with forming surface 10a.In this state, former from laser irradiation device 13 to glass
Expect that block 12 irradiates laser.Heating melting is carried out to glass raw material block 12 as a result, makes its vitrifying, obtains melten glass.Hereafter,
Melten glass is cooling, and thus, it is possible to obtain glass material.The process of heating melting is carried out to glass raw material block 12 and is cooled to
The temperature of melten glass and then glass material becomes at least softening point process below, preferably at least continues to spray gas, suppression
The contact of glass raw material block 12, melten glass and then glass material and forming surface 10a processed.In addition it is also possible to by applying magnetic
, using the magnetic force of generation, glass raw material block 12 is made to suspend on forming surface 10a.In addition, the method as heating melting, is removed
Other than the method for irradiation laser, it is also possible to radiant heating.
In addition, the magnetic susceptibility of glass material of the invention is high, therefore, it is molded by utilizing glass material of the invention
Type etc. is shaped to lens shape, can be used in the automatic focusing lens etc. of digital camera, portable phone with camera etc..These
In camera, be provided with the focal length for changing camera, i.e., make automatic focusing lens be moved to specified position driving dress
It sets, in the past, driving device has the lens carrier for fixing lens, the spring for keeping lens carrier mobile.But have
Lens carrier, spring driving device can not make the miniaturization such as digital camera, portable phone type with camera.However, with magnetization
When the high glass material of the invention of rate manufactures lens, since magnet can be utilized to move lens itself, lens branch is not needed
Frame, spring can be such that camera etc. minimizes.
In addition, the light transmittance of the wave-length coverage of 250~420nm of glass material of the invention is higher than the wave of 420~500nm
The light transmittance of long range, the light transmittance of the wave-length coverage of 500~550nm are higher than the light transmittance of 550~620nm, 620~950nm
Wave-length coverage light transmittance higher than 950~1200nm wave-length coverage light transmittance.In this way, absorbing specific wave due to having
The property of the light of long range can be filtered by the way that glass material of the invention is formed as plate shape using grinding etc. as band logical
Wave device uses.
Embodiment
Hereinafter, based on examples illustrate the present invention, but the present invention is not limited to these embodiments.
Table 1 indicates examples and comparative examples of the present invention.
[table 1]
Each sample is manufactured by following operation.Firstly, the raw material for being prepared as the composition of glass shown in table is press-formed,
800~1400 DEG C are sintered 6 hours, thus manufacture glass raw material block.
Then, glass raw material block coarse crushing is formed into the small pieces of 0.05~1.5g in mortar.Use obtained glass
The small pieces of raw material block make glass material (diameter about 1~10mm) without container suspension method by using the device according to Fig. 1.
In addition, using the CO of 100W as heat source2Laser oscillator.In addition, as the gas for making raw material block suspend in the sky,
Using nitrogen, supplied with flow 1~30L/ minutes.
To obtained glass material, surveyed using Kerr effect measuring device (Japan's light splitting (strain) system, model: K-250)
Determine Verdet constant.Specifically, the thickness for being 1mm or so by obtained glass material attrition process, in the magnetic field of 15kOe
Faraday rotation angle in middle measurement 400~850nm of wavelength, calculates the Verdet constant in wavelength 400nm.In addition, wavelength
Scanning speed is 6nm/ minutes.Result is indicated in table 1.
Minimal wave length when reaching 60% about light transmittance, the thickness for being 1mm by obtained glass material attrition process,
It is measured using spectrophotometer (Shimadzu Seisakusho Ltd. UV-3100).In addition, light transmittance is that also the outside including reflecting is saturating
Cross rate.
As shown in Table 1, the Verdet constant in the wavelength 400nm of the glass material of Examples 1 to 5 be -0.74~-
1.87, absolute value is big.It is saturating in short wavelength range in addition, minimal wave length as low as 298~338nm when light transmittance reaches 60%
Light rate is excellent.On the other hand, the Verdet constant in the wavelength 400nm of the glass material of comparative example 1 is -0.48, absolute value
It is small.Verdet constant in the wavelength 400nm of the glass material of comparative example 2 is -0.62, and absolute value is small.In addition, light transmittance reaches
Greatly to 358nm, the light transmittance in short wavelength range is poor for minimal wave length when to 60%.
Industrial utilizability
Glass material of the invention is suitable for use in the magnetic for constituting the magnetic machine of optoisolator, light circulator, Magnetic Sensor etc.
Optical element, the magnetic glass lens for digital camera etc., material of sheet glass for bandpass filter etc..
Symbol description
1: the manufacturing device of glass material
10: shaping mould
10a: forming surface
10b: gas ejection hole
11: gas supply mechanism
12: glass raw material block
13: laser irradiation device
Claims (6)
1. a kind of glass material, it is characterised in that:
In terms of mole %, contain Pr2O330~50%, B2O3+P2O50.1~70%.
2. glass material as described in claim 1, it is characterised in that:
In terms of mole %, also contain Al2O30~50%.
3. the glass material as described in claim 1~2, it is characterised in that:
When with a thickness of 1mm, minimal wave length when light transmittance reaches 60% is 350nm or less.
4. glass material according to any one of claims 1 to 3, it is characterised in that:
It is used as magneto-optic element.
5. glass material as claimed in claim 4, it is characterised in that:
It is used as Faraday rotation element.
6. a kind of manufacturing method of glass material is used for glass material described in any one of manufacturing claims 1~5, institute
Manufacturing method is stated to be characterised by comprising:
In the state of making glass raw material block keep air suspension, the glass raw material block heating is melted, melten glass is obtained
Later, the process that the melten glass is cooling.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016198993 | 2016-10-07 | ||
| JP2016-198993 | 2016-10-07 | ||
| JP2017080501A JP2018062457A (en) | 2016-10-07 | 2017-04-14 | Glass material and method for producing the same |
| JP2017-080501 | 2017-04-14 | ||
| PCT/JP2017/029676 WO2018066239A1 (en) | 2016-10-07 | 2017-08-18 | Glass material and method for manufacturing same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109715575A true CN109715575A (en) | 2019-05-03 |
| CN109715575B CN109715575B (en) | 2022-03-01 |
Family
ID=61830839
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780057494.9A Active CN109715575B (en) | 2016-10-07 | 2017-08-18 | Glass material and method for producing same |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP7109746B2 (en) |
| CN (1) | CN109715575B (en) |
| WO (1) | WO2018066239A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115210192A (en) * | 2020-03-27 | 2022-10-18 | 日本电气硝子株式会社 | Glass material |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04170338A (en) * | 1990-11-01 | 1992-06-18 | Matsushita Electric Ind Co Ltd | Magnetic glass |
| US6482758B1 (en) * | 1999-10-14 | 2002-11-19 | Containerless Research, Inc. | Single phase rare earth oxide-aluminum oxide glasses |
| JP2008150276A (en) * | 2006-11-21 | 2008-07-03 | Canon Inc | Glass composition for ultraviolet light and optical device using the same |
| CN104583139A (en) * | 2012-12-28 | 2015-04-29 | 日本电气硝子株式会社 | Method for manufacturing glass material |
| JP2016121264A (en) * | 2014-12-25 | 2016-07-07 | 国立大学法人長岡技術科学大学 | Phosphor and method for producing the same |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58153918A (en) * | 1982-03-10 | 1983-09-13 | Yokogawa Hokushin Electric Corp | Manufacture of element having magnetooptic effect |
| KR100618322B1 (en) | 2004-12-24 | 2006-08-31 | 주식회사 파이컴 | Partial type backlight apparatus |
-
2017
- 2017-08-18 CN CN201780057494.9A patent/CN109715575B/en active Active
- 2017-08-18 WO PCT/JP2017/029676 patent/WO2018066239A1/en active Application Filing
-
2021
- 2021-09-22 JP JP2021154263A patent/JP7109746B2/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04170338A (en) * | 1990-11-01 | 1992-06-18 | Matsushita Electric Ind Co Ltd | Magnetic glass |
| US6482758B1 (en) * | 1999-10-14 | 2002-11-19 | Containerless Research, Inc. | Single phase rare earth oxide-aluminum oxide glasses |
| JP2008150276A (en) * | 2006-11-21 | 2008-07-03 | Canon Inc | Glass composition for ultraviolet light and optical device using the same |
| CN104583139A (en) * | 2012-12-28 | 2015-04-29 | 日本电气硝子株式会社 | Method for manufacturing glass material |
| JP2016121264A (en) * | 2014-12-25 | 2016-07-07 | 国立大学法人長岡技術科学大学 | Phosphor and method for producing the same |
Non-Patent Citations (1)
| Title |
|---|
| KENTARO TERASHIMA ET AL.: "Structure and Nonlinear Optical Properties of Lanthanide Borate Glasses", 《J. AM. CERAM. SOC.》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115210192A (en) * | 2020-03-27 | 2022-10-18 | 日本电气硝子株式会社 | Glass material |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2018066239A1 (en) | 2018-04-12 |
| CN109715575B (en) | 2022-03-01 |
| JP7109746B2 (en) | 2022-08-01 |
| JP2021193066A (en) | 2021-12-23 |
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