WO2007013538A1 - Inorganic composition - Google Patents

Abstract

An inorganic composition characterized in that it comprises an Al2O3 ingredient and an R2O ingredient (wherein R represents at least one member selected among Li, Na, and K), the Al2O3/R2O ratio by mole being 1 or lower, and that when the length of a sample at 25°C is expressed as L0 and the length of the sample at T°C is expressed as L, then the value of dα(T)/dT, which is represented by the equation dα(T)/dT=(1/L0)×(d2L/dT2), as determined with respect to the temperature T in the range of from -30°C to 70°C is always 0 or higher.

Description

 Specification

Ha, machine composition

Technical field

 The present invention relates to an inorganic composition having a large average linear expansion coefficient << and a small change in expansion curve, and suitable for compounding with metals and organic materials, and particularly relates to glass cells and cusps.

Background technique

 For compounds showing a high linear expansion coefficient, research has been conducted for the purpose of combining inorganic materials with other materials.

Joining people

 Tooth crown o 25

 As a form of the site, make the refill site a fiery one. <||

Sera し た

 To the o o 2

 -y kusu,, example and crystal showing high linear expansion coefficient

Phase, for example, as a Cristobala filler, it is mixed with glass.

There is an example of crystallization that shows linear expansion characteristics, and the number of information equipment is 4 to 4 times.

Coefficient of thermal expansion with film-forming material even as a multi-layer film substrate

 } Incline ensembles, a special grade for the use of sushi

The eyes o 31

 The glass ceramics exhibiting a high coefficient of thermal expansion for the purpose of squeezing.

The research, etc.

 There are a lot of recent events, i

 In the known technique, Temire 0 7 3 0 4

-3

 Quorso, glass for optical filters

. When the phase film is turned on 1

The average linear expansion coefficient of this material is reduced to 100 ° C. Therefore, the average linear expansion coefficient of 2 required for the production of the multilayer film For room temperature firing,

The average expansion coefficient of and does not match between and, and 1

 Due to the average linear expansion in the vicinity of 0 ° C, there was a drawback of a multilayer film that required a high level of film deposition accuracy and a low film thickness.

U.S. Pat. No. 3,755 describes the use of nephevin ((a A 1 S io force V light (KA 1 S) LO ₄ ) as the main crystal phase. In Japanese Patent Laid-Open No. 2 0 0 2 4, N a ₄ — KA 1

As described for crystallized glass containing S i O (), the melting conditions at the time of fabrication of ceramics must be minimal <and very high at 16 and generally It requires a special melting furnace that can withstand high temperatures such that melting is difficult.

1 2 0 0. High production cost of C is a problem. Special issue of Shoko 6 3-31 No. 1 Crystallized glass with carnegia nai (N ao • A)) as the main crystal phase In order to achieve the desired results, a large amount of sodium is contained in the resulting glass. It has the ability to scramble.

 Japanese Patent Application Laid-Open No. 2000-01-64 describes a high-expansion lath rubber composition with a filler as a filler, but the stowage is 2 to 2700 ° C. In this way, the expansion curve is suitable. JP 2

0 0 5 ― 4 1 7 5 Report The change in expansion curve using the crystal as a filler. Glass glass composition and lead glass are described. The process of making the mother glass mixture is necessary. The number of processes will increase. This will lead to an increase in the material production process for mixed α. Furthermore, those obtained by firing are more likely to have internal void defects, that is, they are not preferable as light transmission materials, o Disclosure of the Invention

 For better matching with metals and organic materials, the coefficient of thermal expansion is close to that of metals and organic materials, and the coefficient of thermal expansion is the same. It is important to increase in proportion to the increase in temperature <0, and to reduce soot, lower temperatures are required depending on the melting conditions and crystallization conditions.

 For example, when manufacturing a multilayer filter, the glass used as the substrate must have good matching with the thermal expansion coefficient of the metal species used as the raw material for the multilayer film inductor. Along with that, high coefficient of thermal expansion, glassy glass and ligation

 There is a need for glass. O In addition, to produce highly accurate and multi-layer filters, film formation is performed at room temperature.

. C) A material whose coefficient of thermal expansion increases proportionally to the temperature as in the case of a metal film, which is a multilayer film material, because the material can be used to give strain to the film. Les needed

 In this regard, it is possible to develop a glass having the same thermal expansion coefficient as that of an amorphous glass, but in order to achieve a short thermal expansion coefficient characteristic with an amorphous glass, It is essential to contain metal ions and rare earth ions.

In the latter case, rising raw material prices and glass coloring are problems. Ka 'X.

ァ Amorphous glass has low heat resistance, ヽ Heating and overcooling, and has a problem of being easily broken o

 For example, in the case of crystallized glass with high expansion characteristics such as one-quarter y inside the glass, the material has a coefficient of linear expansion and good transmittance characteristics. I was able to get

«± 曰

The coefficient of thermal expansion of m 曰 曰 is 曰

 Since it changes in a curved manner with respect to one plate degree, it is not easy to combine with a material such as a metal material or an organic material that has a wide fo, proportionally increased coefficient of thermal expansion over the surrounding temperature range. Ο

 In addition, when glass is filled with a filler and then baked to produce a glass material with a linear expansion coefficient, pores (holes) are generated inside the glass.

 This will lead to the deterioration of the internal quality of the produced material o d, but the increase in the amount of force lath and filler crossing will also increase the material physical property control elements.

 As a result of intensive research to solve the above problems, the present inventor has obtained A 1

It has been found that by optimizing the content ratio of the 2 O 3 component and the di-metal oxide component, an inorganic composition can be obtained in which the thermal expansion coefficient increases proportionally with increasing temperature. Combined with metal and organic materials

Possible to ^, machine composition and reason わ け

 Leading to providing hatched glass o

 That is, a preferred embodiment of the present invention is represented by any of the following compositions.

^ o

 -

(Configuration 1) A 1 2 o 3 component and R 2 o component R is Li

Contains a small <selected from N a K and at least one kind of A 1

The molar ratio represented by 2 O 3 / R 2 O is 1 or less, 2 5. When the length of the sample in C is L 0 T ° C and the length of the si family is L, the temperature is T, d (T) / d T = (1 / L 0) X (d ² L / d T

² ) The value of d (T) / dT represented by-is 30. C 7 0. C temperature ² ί i ί ί) The value of da (T) / d 表 わ is 1 30. C ~ 70. C's warm-up article Bs S- ί <<

Inorganic composition characterized by being always 0 or more in the temperature range or structural structure

Crystallization Las

 成 成 成 成 成 9 9 9 9

 (Constitution 2) In the temperature range of −30 ° C to 70 ° C, the average linear expansion coefficient is amorphous.

6 0 X 1 0 0 X 1 0 —

% O 231 1 ⁷ Z ° C to 1 5 ⁷ Z ° C

BD

 ~ Taga is o 1

 o Inorganic composition or crystallized glass listed in g.

 (Configuration 3) N

The structure is 0 lara o 11 a ₄ _ _x K _x A 1 ₄ S i O! ₆ , but 0 ≤ x ≤ composition

 4. The inorganic composition or crystallized glass according to constitution 1 or 2, characterized in that a crystallization day or a solid solution is precipitated.

 (Configuration 4) At the mass%%%,

 S i ○ 3 5 〜 6 5%

 A 1 a ο 5 to 30% and

K ₂ Ο 0 to 25% and / or

N a ₂ ο 0 to 2 5%

And an inorganic composition or crystallized glass described in (3), displacement force ¾.

 (Configuration 5) With amount%,

 P o and / or

および または B o

And or

Z o 0-0%, and / or

To 0 to 5%, and Z or

L i ₂ O 0 to: 10%, and / or

M g O 0 to: 10%, and Z or

C a O 0 to: L 0%, and / or

 Zn 0 0 to: 10%, and Z or

S r O 0 to; L 0%, and Z or

 O 0 0

 However, the amorphized glass according to constitution 4, characterized in that it contains M + CaO + ZnO + SrO + BaO 0 20% and sunflower.

 The light transmission characteristics at 1 m thickness are 15 5 Onm and ¾5 mm, and the lasing force, misalignment force, or crystallized glass of configurations 1 to 5

 An optical device using the inorganic composition described in any one of the components 1 to 6.

 An optical filter substrate using the inorganic composition described in any one of the constitutions 1 to 6

 An optical filter in which a tβ multilayer film is formed on the optical filter of Example 8

 ) Artificial 1ST using inorganic composition 匕 glass described in the composition of any one of composition 1 to 6

 ) Out of configurations 1-6, displacement force Information recording medium substrate using inorganic composition ighi glass described in one configuration

 An electronic circuit board using the inorganic composition glass described in the first configuration.

 ) Mass%

3 5 to 6 5% and Z or ₂ 0 to 25%, and / or

 N a 2 Ο 0 to 25%, Nebi and / or

 P 2 Ο 0 to 10%, ne and Z or

B ₂ Ο 30--15%, and / or

 Z r 0 20-10%, and Z or

_{T i Ο 2 0 ~ 1 5} %, Neyobi Z or

 L i 2 Ο 0 to 10%, and Z or

 M g ο 0 to: L 0% and / or

 C a Ο 0 to: 10%, and / or

 Z n Ο 0 to 10%, and / or

 S r ο 0 〜; 1 0%, and / or

 B a ο 0 to 1 0%, and Z or

 However, M g O + C a Z + Z n O + s r o + B a O 0 to 20%,

3o and / or

 S b 2 Ο 3 0 to 1%

 A monore ratio represented by A 1 2 Ο 3/2 O is 1 or less,

 Where R is at least one selected from L i, N a and κ,

A raw material having a composition in the range of 1 ° C. to 1500 ° C. was melted at a temperature of 120 ° C., and the obtained mother glass was 5 0 0. Crystallization at C to 75 ° C., a method for producing a mechanical composition or crystallized glass according to any one of constitutions 1 to 6.

 In the present invention, since the component composition is expressed in mass%, it should not be expressed directly. However, in order to achieve the same effect as the above configuration, the mol% is generally in the following range.

 (Composition 14) in mol%

S i Ο ₂ 3 0 to 5 5 ⁰ / (., And

 A 1 2 Ο 3 1 0 to 40 0% and

 2 ο 0 to 2 5% and / or

 N a 2 Ο 0 to 25%,

The inorganic composition or crystallized glass according to any one of configurations 1 to 3, characterized by containing each component in the range of

 (Composition 15) at mol / o,

S i ○ 2 3 0 to 5 5 ⁰ / Ό, and

 A 1 2 Ο a 1 0 to 40%, and

K ₂ ο 0 to 25% and Z or

 N a 2 Ο 0 to 25% ヽ Yoppi / or

 Ρ 2 0-10%, and Z or

 Β 2 Ο 30--10% and / or

 Ζ r 0 20-10%, and Z or

 T o _ 0 to 15%, and Z or

L 2 0 to 20%, and / or

M o 0 to 10%, and or

C o 0 to: 10%, and / or

Z o 0 to 10%, and or

S r O 0 to: L 0% and Z or

B a O 0-10%, and no or

However, MgO + C a 〇 + Z n O + S r O + B a 〇 0 to 15%, O Z or

T/JP2006/314825 高レ、熱膨張係数を示す 機組成物を作製するためには、 組成につレ、 て 、 A 1 o 成分 、 R o成分 、 ただし Rは L i 、 Kおよび N a から選ばれる少な < と も 1種以上、 を含有し、 A 1 ₂ O / z R ο で表わされるモ ノレ比率が 1 以下である こ と が必須でめる 更に好ま し < は A 1 O R oで表わされるモ ノレ比率が 0 . 8 以下であ り 、 最も好ま し く は 0 5 以下である。 これを越える と 、 ガラス溶 融 曰 S b ₂ O 0 to 0.5%

T / JP2006 / 314825 In order to produce a machine composition that exhibits a high thermal expansion coefficient, A1o component, Ro component, where R is from Li, K, and Na It is essential that at least one selected <contains at least one, and the mole ratio represented by A 1 ₂ O / z R ο is 1 or less. The monore ratio represented is 0.8 or less, most preferably 0.5 or less. Beyond this, glass melting

 The degree of dishing and crystallization in 処理 n.degree must be increased and meltability is reduced.

 In addition, the inorganic composition of the present invention has good matching in terms of expansion coefficient with metal or organic matter. In short, the length of the sample at 25 ° C and the length of the sample at T ° C

 D (Τ) / d T = (1 / L) X (d L / d T

), The value of da (T) / dT is always greater than or equal to 0 in the temperature TO range of -30 ° C to 70 ° C, more preferably more than 0. Furthermore, in the temperature range of 50 ° C to 300 ° C, da (

Τ) / d T always has a value of 0 or more, more preferably more than 0-, and the machine composition of the present invention is made of glass, sera, Specialized glass, etc.

 It is preferable that the glass is hatched. The crystallized glass is subjected to a heat treatment again on the glass that has been melt-molded, so that a desired crystal can be formed on the glass wall.

 This is because it can be obtained by a method for depositing soot, and this method makes it possible to produce a <100% material that creates defects such as vacancies in the glass soot.

The mechanical composition of the present invention is Na K _x A 1 S i O.

, Where 0 <X ≤ 4, and

 As a result, the thermal expansion coefficient that is one of the hundreds of the present invention is

 It is preferable to obtain a physical property that increases proportionally with an increase in the degree of 1im., And that X = 4 force stress 卜 and / or force lucy 固 solid solution is precipitated. In order to obtain the above physical properties, it should be noted that canore silly 卜 (κ A 1 S i 〇

) Is also known as power reform ラ, but in the text below, it will be written as power シ

 Further, the machine composition of the present invention has an average linear expansion coefficient of 30 ° C 70 ° C.

恤度range me Te,, 6 0 X 1 0 - 7 /. ~ 1 5 0 X 1 0 - 7 /

° In C - other, wherein when there, 0 ° C ~ 2 0 0 0 ° 7 Te Contact Rere a temperature range of C X 1 0 - / C 1 6 0 XI 0 - is at ⁷ Bruno, a city Characteristic

― In the temperature range of 200 ° C to 300 ° C, 80 X 10 / ° C

~ 1 80 X 1 0 1 / ° C,

Next, the reason for limiting the composition range of the original glass will be described below. Hereinafter, unless otherwise specified, the S io component written in mass% is precipitated as the main crystal phase by heat treatment of the original glass. a ― _x A 1 S i ₄ O, where 0 ≤ X

<4, is a very important component of the crystal and / or solid solution, especially the power of the lucifer 卜. As the lower limit of the content, 35% is less preferable than glass, and 35% is preferable, 38% is more preferable, and 40% is most preferable. If the upper limit of the content exceeds 65%, the viscosity of the original glass will increase, and melting and formability will be difficult. 65% is preferred <, 55% is preferred, 50% Is most preferred

A 1 O component is the same as ヽ si O ₂ component.

Although it is a very important component constituting the liquid phase, if its M is less than 5%, a desired crystal phase can be obtained. 0% is more preferable, 2% is most preferable, and if it exceeds 30%, the moldability is degraded due to an increase in the viscosity of the original glass, so the upper is preferably 30%. 5% better than force, 20% most preferred

The B ₂ O component is an effective component for improving the glass property and can be arbitrarily set.However, the increase in the content causes stabilization of the glass structure. Crystal phase precipitation inside the glass due to heat treatment. Therefore, the desired precipitated crystal phase does not change.

The upper limit of the amount is 15%, preferably 0%, most preferably 5%.

The P ₂ O 5 component is an optional component that contributes to the nucleation of precipitated crystals, but vitrification occurs when added excessively. So the upper limit of that is

0% is more preferable than 5%

Z r O ₂ component, on which the machine g of precipitated crystals, precipitation binding SB of but an optional component in excess with improved pronounced effect of chemical durability and mechanical strength improvement rabbi miniaturization and materials If it is added, it becomes difficult to melt the original glass, and ZS i O or the like is likely to be left behind when the glass is melted. Or, ZrO ₂ will precipitate after the crystallization process. Therefore, 10% is preferable above the amount. More preferred is 8%, most preferred is 6%.

 The TiO 2 component is an optional component that functions as a nucleating agent for precipitated crystals. In addition, it is a component that has a remarkable effect on improving the chemical properties as well as the formation of precipitated crystals and the improvement of the degree of material. If added, the original glass will be damaged, or T i 〇

Will precipitate.

Therefore, the upper limit of the amount is preferably 15%, more preferably 10%, and most preferably 6%.

The Li ₂ O component is an effective component in promoting the dissolution S reaction of the raw material and lowering the glass temperature, but increasing the content causes a change in the precipitated crystal phase and deterioration in chemical durability. Wake up. Therefore, the upper limit of the amount is preferably 10%, more preferably 0.8%, and most preferably 5%. This component can be optionally added, but the lower limit is more preferably 1%, and most preferably

2%.

K ₂ Οcomponent and Ν O component is NK _x A 1 4 S i, O

In order to precipitate crystals and soot or solid solutions with 0 ≤ X ≤ 4), at least one of the components must be included.

Κ ₂ Ο components, raw glass Ri I scan this, which is the main crystalline phase and the component contributing also on the viscosity propensity of glass crystal phase and the is One of the components constitute at the same time that put out prayer Te However, excessive Since the content will deteriorate the chemical durability of the glass, the upper limit of content is preferably 25%.

23% is more preferred, 20% is most preferred X = 4 is an essential component for precipitating calcite and / or calcite solid solutions as crystals. Under the content for obtaining a crystalline phase, it is preferable to exceed 10%, 2% is more preferable, and 5% is most preferable.

The Na ₂ O component is one of the components constituting the crystal phase that precipitates as the main crystal phase by heat treatment of the original glass, and at the same time contributes to the improvement of the viscosity of the molten glass. . However, excessive content is chemical of glass JP2006 / 314825 A component that also contributes to improvement ο However, excessive content will deteriorate the chemical durability of glass, so the upper limit of content is preferably 25%, preferably 16% More preferred <10% is preferred. Also a

4 1 K _x A 1 4 Si 4 o ₁ 6 (X 4)

For the purpose of precipitating the solid solution as crystals, the upper limit of the a ₂ O component is preferably 5% <, and it is more preferred that it is not contained.

] ヽ

 Les, o

 The MgOCaSORoBaOZnO component is an effective component for improving the viscosity of molten glass and for refining precipitated crystals. However, if excessively added, precipitation H

 The upper limit of the content of each component is less likely to cause adverse effects such as changes in the phase of the rice and reduction in the ability to form glass.

10% is preferred o The upper limit of the total amount of each of these components is preferably 20% <more preferably 10%, and even more preferably 5% o

 In addition, as long as the physical properties of the material are not impaired, lanthanides, compounds and

S n OC u ON i OF e 2 o 3 ce OM n ○ V 2 O ₅ N b 2 O ₅ Ta 2 O 5 WO 3 Mo o, Bi ₂ ○ 3 G e O 2 ヽ a 2 O 3 Component Up to 20% in total.

 The Sb2O3 component can be added as a glass clearing agent, but the upper limit of content is 1%. Ο The upper limit is more preferably 0.5%. More preferred is 0 2%

 As s 2 O 3 and P b O components are unfavorable for the environment, so use them as much as possible.

 Next, one of the methods for producing the inorganic composition according to the present invention is to melt the above-described composition, perform forming and cooling, and then perform heat treatment for To crystal phase precipitation o

Example

 A preferred embodiment of the present invention will be described.

 Tables 1 to 5 show examples of inorganic compositions of the present invention (No .:! To 23) and conventional invention B.

 About the machine composition of PP (Comparative Example 1 2)

The glass of 'Ro 曰

 B Incubation Average Coefficient of Thermal Expansion at 30 ° C to 70 ° C and 0 ° C to 20 ° C, 20 ° C to 30 ° C, 1 mm thickness at 1550 nm Light transmittance This shows the mole ratio da (T) / dt of the precipitated crystalline phase A 1 2 O a / R 2 0. Comparative Example 1 is crystallized glass and Comparative Example 2 is amorphous glass.

 The method for producing the glass of the above embodiment will be described. Ο Oxide, carbonate, and nitrate raw materials are mixed, and this is mixed using a normal melting apparatus.

~ 1 5 0 0 C-) B

 After melting at Um. Degree, stirring and homogenizing, glass forming body was obtained through molding and cooling process o After that, it was heat-treated at 500 to 600 ° C for 1 to 10 hours After the formation of crystal nuclei, heat treatment was performed at 55 ° C. to 75 ° C. for 1 to 10 hours to obtain a desired inorganic composition.

 Precipitation fcfc H

 7Γ'Β 5 曰 相 is an X-ray diffractometer (manufactured by Phillips Co., Ltd., trade name: X'Pert Ichi PD) and an energy analyzer with a single dispersion (manufactured by Hitachi, Ltd., trade name S 1 40) 0 0 N HORIBA, Ltd., quotient π name EX 4 2 0).

 The linear expansion coefficient was measured using a thermal dilatometer (manufactured by Macintosh, trade name: T D 5 0 0 0 S). s Fee is 5 mm in diameter,

The force is applied to a 20 mm cylinder, and the temperature range is from 150 ° C to 320 ° C. The temperature rate was set to 4 ° C / min. And calculated from the expansion curve showing the relationship between temperature and elongation.

 The transmittance was measured using a spectrophotometer (manufactured by Nissho i-Isakusho Co., Ltd., trade name: U-400) using a sample polished on both sides to a thickness of 1 mm. table 1

 mass% Example 1 Example 2 Example 3 Example 4 Example 5

Si0 ₂ 43.8 43.0 46.0 42.0 46.3

Al ₂ 0 ₃ 30.0 27.0 27.0 18.0 15.0

P ₂ 0 ₅

B ₂ 0 ₃ 5.0

Zr0 ₂ 3.0 3.0

Li ₂ 0 4.0 4.8 4.8 4.8 4.8

K ₂ 0 19.0 19.0 19.0 19.0 21.0

Na ₂ 0

 MgO

 ZnO 3.0 3.0 3.0 3.0 3.0

 BaO

 SrO

Sb _z 0 ₃ 0.2 0.2 0.2 0.2 0.2

Ti0 ₂ 2.0 3.7

Gd ₂ 0 ₃ 3.0 3.0 3.0

 100.0 100.0 100.0 100.0 100.0 Crystallization temperature (° c) 680 680 720 660 660

GTE (10 " ⁷ / ° C) 103 108 106 108 110

 (-30 ~ 70 ° C)

114 118 113 117 119

128 131 130 132 134 Transmittance 90.2 90.3 90.3 90.5 90.3

(1550nm, 1mmt) Crystal phase KAISi0 ₄

Al ₂ 0 ₃ / R ₂ 0

 0.88 0.73 0.73 0.49 0.38

(Molar ratio) da (T) / dt> 0 (-50 to 300 ° C)

6 314825 5

The d _α (τ) Z dt was confirmed from the temperature-coefficient of thermal expansion curve of the examples, and in all examples, da (T in the temperature range of 50 ° C to 300 ° C. ) It was confirmed that Z dt was 0 or more.

The inorganic composition of the present invention depends not only on the composition but also on the crystallization temperature. : If the wire plate is capable of expansion and transmittance, the crystallization temperature and / or time can be set long in a wide range of conditions to determine the phase does not change.

The transmittance value gets worse. The tension value is increased.

You can.

 Membrane-based

 In addition, the range in which the crystalline phase can precipitate and / or the time plate

 The value obtained by shortening and setting the value of the

 Can improve the person who is suitable for the invitation phase Industrial applicability

 On the electricity

 The inorganic composition of the present invention is based on its average thermal tension, and it is a metal or organic material.

 Body

If it is useful in making composite materials with

 Demand

 Stratification

 Membrane

 Remoto

 . In addition, since the value of the thermal expansion coefficient shows a stable behavior with respect to the warming degree, it is also suitable for other optical materials, for example, temperature compensation or compensation members.

It has a high coefficient of thermal expansion and has the power to: match with metal

It is also suitable for artificial dental crowns that are required to be transparent, but can also be used as electronic circuit boards.

 Group rate

 Special

 Sexuality,

 Light

 From school

 Gain light

 Fill

 Le Necessary

 In short

 Use it in your base rut>

Claims

The scope of the claims 1. A 1 0 ₃ component, an R ₂ O component, wherein R represents at least one selected from Li, Na and K, and A 1 ₂ 0 _{3 The} molar ratio represented by ₂ O is 1 or less, and the sample length at 25 ° C is L. , Where L is the length of the sample at T ° C, da (T) / d T = (1 / Lo) X (d ² L / d T ² ) d An inorganic composition characterized in that the value of T is always 0 or more in a temperature range of 30 ° C to 70 ° C.  2. Average temperature coefficient of linear expansion is between 30 ° C and 70 ° C. 0 X 1 0 — ⁷ /. The inorganic composition according to claim 1, wherein C is 1 5 0 X 1 0 — 'C. 3 N a, _. K „A l ₄ S i. O where fcvb 曰 is 0 4  Soot and / or solid solution precipitates C), machine composition according to claim 1 or 2  4. By weight% S i O ₂ 3 5 〜 6 5% Perfect  A 1 0 5-30%, Yoppi  K o 0 to 25%, and / or  NaO 0 to 25%, The inorganic composition according to any one of claims 1 to 3, characterized by containing each component in the range of  5. By weight%  P 〇 0 to 10% and / or B ₂ O 0 to 15%  Zr 0 0 to 10% and / or T i O ₂ 0-15% and / or  L i 〇 0 to 10% and / or  M g 0-10% and / or  C ao 0 to 10%, perfect / or  Z n o 0 to 10% and / or  S r o 0 to 10%, blister / or  B a o 0 to 10%,  Where M g 0 + C ao + Z n o + S r O + B a O 0 2 0 and / or S b ₂ O 0 1 The inorganic composition according to any one of claims 1 to 4, which comprises each component in the range described above.  The inorganic composition according to any one of claims 1 to 5, wherein the light transmittance characteristic at a thickness of 6.1 mm is 90% or more at 90 to 160 nm. .  7. An optical device using the inorganic composition according to any one of claims 1 to 6.  8. An optical filter substrate using the inorganic composition according to any one of claims 1 to 6.  9. An optical filter, wherein a dielectric multilayer film is formed on the optical filter substrate according to claim 8.  10. An artificial dental crown using the inorganic composition according to any one of claims 1 to 6. 1 1. Using the inorganic composition according to any one of claims 1 to 6 Substrate for information recording medium. AKNTBBCZPZL and SS S 11  2. Use the inorganic composition according to any one of claims 1 to 6, ffi ^^^ 222i n¾b ga a ar r9l1il1 ..  Electronic o circuit board.  Repi Gouda 00 o000000022222  3. By mass%  \ Not, o 000 53 53  Is  Assembly master M 33R 3 o OOOOO  Is  \ Song ~ Request ~~~~~ Goooooooooo 3g  ~ Item ~ ~ ~ ~ is R 〇 La L O5 5211111  ~ Yes 2+ 52100000111111.  %%% o, ~ %%% c000 635551  In %%, %%%%%, ..., 2; ru o 56 a  Omohara% o, ...,%, ...  Oh, oh, oh, yes, + yoyoyo o  Obizu Obibibibi Kyoyoyo Yo Yo  \ Te \ \ tete \ te / / ίyo, Π  \ \ \ \ \  \ \ Tap again and again +  Slap it, hahahaha s  Ma Γ remains φ, one τ>  O + BaO 0 to 20%, the molar ratio is 1 or less,  At least one selected from the group consisting of: 120 ° C. to 150 ° C., melting at 150 ° C. to 75 ° C. The method for producing an inorganic composition according to any one of the above, characterized by crystallization with C.