JPS61186248A - Glass ceramic - Google Patents
Glass ceramicInfo
- Publication number
- JPS61186248A JPS61186248A JP2734985A JP2734985A JPS61186248A JP S61186248 A JPS61186248 A JP S61186248A JP 2734985 A JP2734985 A JP 2734985A JP 2734985 A JP2734985 A JP 2734985A JP S61186248 A JPS61186248 A JP S61186248A
- Authority
- JP
- Japan
- Prior art keywords
- glass
- ceramic
- weight
- powder
- metal oxide
- 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.)
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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
- C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
- C03C10/0054—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing PbO, SnO2, B2O3
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は、ガラスセラミック、より具体的には基板やパ
ッケージ等の電子工業用材料として、また一般工業用材
料として種々の用途が期待されるガラスセラミックに関
するものである。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to glass ceramics, more specifically glass ceramics that are expected to have various uses as electronic industry materials such as substrates and packages, and as general industrial materials. It is related to.
従来技術
一般に電子工業の分野で用いられる基板やパッケージ及
び一般工業分野におけるセラミック材料としては、アル
ミナセラミックが主に使用されているが、熱膨張係数が
一定しているため、これと接着する金属等も同程度の熱
膨張係数を有するものに限定されること、さらに焼成温
度が１５００〜１６００°Ｃと高温であるために、特殊
な焼成装置が必要となり、生産コストが高くなりがちに
なること等の欠点がある。PRIOR ART Alumina ceramics are mainly used as substrates and packages in the electronics industry and as ceramic materials in the general industrial field, but because they have a constant coefficient of thermal expansion, metals etc. that are bonded to them are Also, since the firing temperature is as high as 1,500 to 1,600°C, special firing equipment is required, which tends to increase production costs. There are drawbacks.
発明の目的
本発明は、上記事情に鑑みなされたもので、熱膨張係数
を３０〜３８０°Ｃテ４０〜９８×１Ｏ−ｒＣノ範囲で
任意に選択することができるため、接着する金属等が限
定されず、また焼成温度が８５０°Ｃ乃至１］００°Ｃ
と低いため、生産コストを安くすることができるガラス
セラミックの提供を目的とするもので、アルミナセラミ
ックはどの高強度を必要としない工業材料の分野におい
てアルミナセラミックにかわる材料として用いられるも
のである。Purpose of the Invention The present invention was made in view of the above circumstances, and since the coefficient of thermal expansion can be arbitrarily selected within the range of 30 to 380°C and 40 to 98 x 1 O-rC, the metal etc. to be bonded can be There is no limitation, and the firing temperature is between 850°C and 1]00°C.
The objective is to provide a glass-ceramic that can reduce production costs because of its low strength.Alumina ceramics are used as a substitute for alumina ceramics in the field of industrial materials that do not require high strength.
発明の構成
本発明のガラスセラミックは、重量百分率で５ｉ０１５
５．０〜８０．０％、ＡＩ！０，２．５〜１０．０％、
Ｂ２Ｏ３０〜２５゜０％、０ａＯ１ＳｒＯ，ＢａＯから
選択されるアルカリ土類金属酸化物（ＲＯ） １．０〜
１８．０％、Ｌｌ、０、Ｎａ、Ｏ。Structure of the invention The glass-ceramic of the invention has a weight percentage of 5i015
5.0-80.0%, AI! 0.2.5-10.0%,
B2O30~25°0%, alkaline earth metal oxide (RO) selected from 0aO1SrO, BaO 1.0~
18.0%, Ll, 0, Na, O.
Ｋ、Ｏから選択されるアルカリ金属酸化物（ＲｌＯ）２
．０〜２５．０％、Ｚｎ００〜５．０％の組成を有する
ガラス粉末４５〜９５重Ｎ％と、ＡＩ西もしくはＺｒＳ
ユ０．のセラミック粉末５〜５５重量％とからなる。好
ましくは、重量百分率でＳｊｏ、 ５７．０〜６９．０
％、ＡＩ！Ｏ，ａ。Alkali metal oxide (RlO)2 selected from K, O
．． Glass powder with a composition of 0-25.0%, Zn00-5.0%, 45-95% by weight, and AI or ZrS
Yu0. 5 to 55% by weight of ceramic powder. Preferably Sjo in weight percentage, 57.0 to 69.0
%, AI! O, a.
〜９．０ ％、Ｂ、○、ａｏ 〜２０．０％、ＯａＯ、
ＳｒＯＸＢａＯから選択されるアルカリ土類金属酸化物
（ＲＯ）２゜５〜１７．５％、Ｌ］２０．、ＮａｚＯｌ
Ｋ、０から選択されるアルカリ金属酸化物（Ｒ２Ｏ）
５．５〜１６．０％、ＺｎＯＯ−４５％の組成を有する
ガラス粉末５５，０〜７５．０重量％と、Ａ１□０８も
しくはＺｒＳｉＯ４のセラミック粉末３５．０〜５５．
０重量％とからなる。~9.0%, B, ○, ao ~20.0%, OaO,
Alkaline earth metal oxide (RO) selected from SrOXBaO2°5-17.5%, L]20. , NazOl
Alkali metal oxide (R2O) selected from K, 0
55.0-75.0% by weight of glass powder with a composition of 5.5-16.0%, ZnOO-45% and 35.0-55.0% of ceramic powder of A1□08 or ZrSiO4.
0% by weight.
本発明のガラスセラミックを構成するガラス粉末、セラ
ミック粉末について組成範囲を先記のように限定したの
は次の理由による。The reason why the composition range of the glass powder and ceramic powder constituting the glass ceramic of the present invention is limited as described above is as follows.
ガラス粉末に関して、５１０１含量は、５５０〜８０．
０重量％、好ましくは、５７．０〜６９，０重量％であ
る。For glass powder, the 5101 content is between 550 and 80.
0% by weight, preferably 57.0-69.0% by weight.
５５．０重量％より少ない場合は、ガラスの粘性が低く
なりすぎ、８０．０重量％より多い場合は、ガラスの溶
融性が悪くなる。If it is less than 55.0% by weight, the viscosity of the glass becomes too low, and if it is more than 80.0% by weight, the meltability of the glass becomes poor.
ＡＩ！０．含量ハ２．５〜１０．０重量％、好ましくは
ａＯ〜９．０重量％である。２．５重量％より少ない場
合は、化学的耐久性が悪くなり、１０．０重量％より多
い場合は、ガラスの溶融性が悪くなる。AI! 0. The content is from 2.5 to 10.0% by weight, preferably from aO to 9.0% by weight. If it is less than 2.5% by weight, the chemical durability will be poor, and if it is more than 10.0% by weight, the meltability of the glass will be poor.
Ｂ！Ｏａ含量は０〜２５．０重量％、好ましくは５．０
〜２０．０重量％である。３５．０重量％より多い場合
は、軟化点が低くなり好ましくない。B! Oa content is 0-25.0% by weight, preferably 5.0
~20.0% by weight. If it is more than 35.0% by weight, the softening point becomes low, which is not preferable.
ＲＯは、熱膨張係数を所望の値にコントロールするため
必要な成分で、その含量は１．０〜１８．０重量％、好
ましくはａ５〜１７．５重量％である。しかし１．０重
量％より少ない場合、或いは１８，０重Ｍ％より多い場
合は、上記の効果を得ることができない。RO is a necessary component for controlling the thermal expansion coefficient to a desired value, and its content is 1.0 to 18.0% by weight, preferably a5 to 17.5% by weight. However, if it is less than 1.0% by weight or more than 18.0% by weight, the above effects cannot be obtained.
Ｒ，０含量は２，０〜２５．０重量％、好ましくは５．
５〜１６．０重量％である。ａＯ重量％より少ない場合
は、溶融性が悪くなり、或いは、ガラスが分相しやすく
なり、２５．０重量％より多い場合は、化学耐久性が悪
くなる。The R,0 content is between 2.0 and 25.0% by weight, preferably 5.0% by weight.
It is 5 to 16.0% by weight. When the content is less than 25.0% by weight, the meltability becomes poor or the glass tends to undergo phase separation, and when the content is more than 25.0% by weight, the chemical durability deteriorates.
ＺＴ１０含量は０〜５．０重量％、好ましくは０〜４５
重量％である。５．０重量％より多い場合は、ガラスが
分相しやすくなる。ZT10 content is 0-5.0% by weight, preferably 0-45
Weight%. When it is more than 5.0% by weight, the glass tends to undergo phase separation.
勿論、上記成分以外にも他の成分をさらに添加すること
ができる。例えば、若干のＦ、を添加して溶融温度を下
げたり、あるいはガラスを安定化させるためにＴｉＯい
ＺｒＯ，の１種又は２種を添加することも可能である。Of course, other components can be further added in addition to the above components. For example, it is possible to add a small amount of F to lower the melting temperature, or to stabilize the glass, it is also possible to add one or both of TiO and ZrO.
また、本発明のガラスセラミックにおいては、上記ガラ
ス粉末にＡ１！０８もしくはｚｒｓ１ｏ４のセラミツり
粉末を５〜５５重量％含有することによってガラスの軟
化変形を防ぐが、セラミック粉末が５重量％より少ない
場合は、ガラスセラミックを再加熱した際に軟化変形し
、５５重量％より多い場合は、低い焼成温度で焼結する
ことができなくなる。In addition, in the glass ceramic of the present invention, softening and deformation of the glass is prevented by containing 5 to 55% by weight of A1!08 or ZRS1O4 ceramic powder in the glass powder, but if the ceramic powder is less than 5% by weight. is softened and deformed when the glass ceramic is reheated, and if it exceeds 55% by weight, it becomes impossible to sinter at a low firing temperature.
本発明のガラスセラミックにおけるガラス粉末の粒度は
、２０声以下であることが好ましい。すなわち粒度が２
０ｆｉ以上である場合は、セラミック粉末との融着性が
悪くなり、緻密な焼結体が得られない。The particle size of the glass powder in the glass ceramic of the present invention is preferably 20 tones or less. That is, the particle size is 2
If it is 0fi or more, the fusion properties with the ceramic powder will be poor and a dense sintered body will not be obtained.
また、セラミック粉末の粒度は、３０声以下であること
が好ましい。すなわち粒度が３０戸以上である場合は、
耐熱温度が悪くなり、高籠の際、ガラスセラミックが変
形しやすくなる。Further, the particle size of the ceramic powder is preferably 30 tones or less. In other words, if the particle size is 30 houses or more,
The heat resistance becomes poor, and the glass ceramic becomes easily deformed when placed in a high basket.
実施例
次に、本発明のガラスセラミック組成物の実施例（試料
Ａ１〜１０）及びこれと比較されるアルミナセラミック
（試料應１１）の例を示す。Examples Next, examples of glass-ceramic compositions of the present invention (samples A1 to A10) and an example of an alumina ceramic (sample No. 11) to be compared therewith will be shown.
表１にはガラス粉末の試料を示し、表２には、上記表１
のガラス粉末の試料を用いて、それらに−６＝
表２に示すセラミックを同表に示す重量％混合した実施
例及びアルミナセラミックの例を示した。Table 1 shows the glass powder samples, and Table 2 shows the above Table 1.
Examples were shown in which glass powder samples were mixed with -6 = the ceramic shown in Table 2 in the weight percent shown in the same table, and an example of an alumina ceramic was shown.
表１
表のＩ（ａ ］〜１０のガラスセラミック試料は、次の
ように調製した。Table 1 The glass ceramic samples I(a) to 10 in Table 1 were prepared as follows.
試料蔦１〜１０の各ガラス組成になるように調合した原
料バッチを］４００°Ｃで３時間溶融、水砕し、さらに
アルミナボールミルで粉砕する。次に粉砕したガラス粉
末と高純度のＡｌｔＯ，、ＺｒＳｉＯ４をボールミルで
粉砕した後、所定の粒度に分級したセラミック粉末との
混合物３５容量％と有機バインダー５容量％、水６０容
量％を十分に攪拌して均一にした後、噴霧乾燥してでき
た顆粒を金型に入れ、５ Ｘ ５ Ｘ ５０ ｍｍの棒
状にプレス成形する。その後、有機バインダーを熱処理
にて加熱分解した後、９５０〜１０５０°Ｃで１５時間
焼成し、４ Ｘ ４ Ｘ ４２ ｍｍの棒状焼成物を作
成した。得られたガラスセラミックについて、熱膨張係
数、焼成温度、抗折強度を測定した。A raw material batch prepared to have each of the glass compositions of Samples 1 to 10 was melted at 400°C for 3 hours, pulverized, and further pulverized in an alumina ball mill. Next, after pulverizing the pulverized glass powder and high-purity AltO, ZrSiO4 in a ball mill, 35% by volume of a mixture of ceramic powder classified to a predetermined particle size, 5% by volume of organic binder, and 60% by volume of water were thoroughly stirred. After being made uniform by spray drying, the granules are placed in a mold and press-molded into a rod shape of 5 x 5 x 50 mm. Thereafter, the organic binder was thermally decomposed by heat treatment, and then fired at 950 to 1050°C for 15 hours to create a rod-shaped fired product measuring 4 x 4 x 42 mm. The thermal expansion coefficient, firing temperature, and bending strength of the obtained glass ceramic were measured.
この結果、本発明品とアルミナセラミックとを比較する
と、アルミナセラミックは、焼成温度が１６００°Ｃと
高いが、本発明品は８５０〜１１００°Ｃと低く、さら
にアルミナセラミックの熱膨張係数が７０ Ｘ １０−
Ｊ’Ｃであるのに対し、本発明品は各ガラス組成の分量
あるいは、ガラスセラミックとの混合割合によって４・
５〜９８ Ｘ １０−Ｊ’Ｃと各々の値に幅がある０
尚、本発明における抗折強度は棒状焼成物を周知の三点
荷重方式によって測定した。As a result, when comparing the product of the present invention and alumina ceramic, the firing temperature of the alumina ceramic is high at 1600°C, but the firing temperature of the product of the present invention is low at 850 to 1100°C, and furthermore, the coefficient of thermal expansion of the alumina ceramic is 70 10-
J'C, whereas the product of the present invention has 4.
Each value has a range of 0 to 5 to 98 x 10-J'C. Note that the bending strength in the present invention was measured using a well-known three-point loading method on a rod-shaped fired product.
発明の効果
以上のように本発明のガラスセラミックは、熱膨張係数
を任意に選択できるため、接着する金属の熱膨張係数に
合わせることができると共に、焼成温度が８５０°Ｃ乃
至１１００°Ｃと低いため、生産コストを安くすること
ができ、アルミナセラミックはどの高強度を必要としな
いような一般工業用材料あるいは基板やパッケージ等の
電子工業用材料として各種広範な用途に利用できる。Effects of the Invention As described above, the glass ceramic of the present invention can arbitrarily select the coefficient of thermal expansion, so it can be matched to the coefficient of thermal expansion of the metal to be bonded, and the firing temperature is as low as 850°C to 1100°C. Therefore, production costs can be reduced, and alumina ceramics can be used in a wide variety of applications, such as general industrial materials that do not require high strength, or electronic industry materials such as substrates and packages.
特許出願人 日本電気硝子株式会社 代表者 長 崎 準 −Patent applicant: Nippon Electric Glass Co., Ltd. Representative Jun Nagasaki -
Claims (2)
、Ａｌ＿２Ｏ＿３２．５〜１０．０％、Ｂ＿２Ｏ＿３０
〜２５．０％、ＣａＯ、ＳｒＯ、ＢａＯから選択される
アルカリ土類金属酸化物（ＲＯ）１．０〜１８．０％、
Ｌｉ＿２Ｏ、Ｎａ＿２Ｏ、Ｋ＿２Ｏから選択されるアル
カリ金属酸化物（Ｒ＿２Ｏ）２．０〜２５．０％、Ｚｎ
Ｏ０〜５．０％の組成を有するガラス粉末４５〜９５重
量％と、Ａｌ＿２Ｏ＿３もしくは、ＺｒＳｉＯ＿４のセ
ラミック粉末５〜５５重量％とからなるガラスセラミッ
ク。(1) By weight percentage, SiO_255.0-80.0%
, Al_2O_32.5-10.0%, B_2O_30
~25.0%, 1.0~18.0% of alkaline earth metal oxide (RO) selected from CaO, SrO, BaO,
Alkali metal oxide (R_2O) selected from Li_2O, Na_2O, K_2O 2.0-25.0%, Zn
A glass ceramic comprising 45 to 95% by weight of glass powder having a composition of 0 to 5.0% O and 5 to 55% by weight of ceramic powder of Al_2O_3 or ZrSiO_4.
、Ａｌ＿２Ｏ＿３３．０〜９．０％、Ｂ＿２Ｏ＿３５．
０〜２０．０％、ＣａＯ、ＳｒＯ、ＢａＯから選択され
るアルカリ土類金属酸化物（ＲＯ）２．５〜１７．５％
、Ｌｉ＿２Ｏ、Ｎａ＿２Ｏ、Ｋ＿２Ｏから選択されるア
ルカリ金属酸化物（Ｒ＿２Ｏ）５．５〜１６．０％、Ｚ
ｎＯ０〜４．５％の組成を有するガラス粉末５５．０〜
７５．０重量％と、Ａｌ＿２Ｏ＿３もしくは、ＺｒＳｉ
Ｏ＿４のセラミック粉末２５．０〜５５．０重量％とか
らなる特許請求の範囲第１項記載のガラスセラミック。(2) SiO_257.0-69.0% by weight percentage
, Al_2O_33.0-9.0%, B_2O_35.
0-20.0%, alkaline earth metal oxide (RO) selected from CaO, SrO, BaO 2.5-17.5%
, Li_2O, Na_2O, K_2O alkali metal oxide (R_2O) 5.5-16.0%, Z
Glass powder with a composition of nO 0-4.5% 55.0-
75.0% by weight and Al_2O_3 or ZrSi
The glass ceramic according to claim 1, comprising 25.0 to 55.0% by weight of O_4 ceramic powder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2734985A JPS61186248A (en) | 1985-02-13 | 1985-02-13 | Glass ceramic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2734985A JPS61186248A (en) | 1985-02-13 | 1985-02-13 | Glass ceramic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61186248A true JPS61186248A (en) | 1986-08-19 |
| JPH0419176B2 JPH0419176B2 (en) | 1992-03-30 |
Family
ID=12218560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2734985A Granted JPS61186248A (en) | 1985-02-13 | 1985-02-13 | Glass ceramic |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61186248A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6247196A (en) * | 1985-08-26 | 1987-02-28 | 松下電器産業株式会社 | Ceramic multilayer substrate |
| JPS63215559A (en) * | 1987-02-27 | 1988-09-08 | 日本碍子株式会社 | Ceramic substrate |
| US7709027B2 (en) * | 2001-08-22 | 2010-05-04 | Schott Ag | Antimicrobial, anti-inflammatory, wound-healing glass powder and use thereof |
| US7816292B2 (en) * | 2004-05-29 | 2010-10-19 | Schott Ag | Nano glass powder and use thereof, in particular multicomponent glass powder with a mean particle size of less than 1 μm |
| US8080490B2 (en) | 2003-02-25 | 2011-12-20 | Schott Ag | Antimicrobial phosphate glass |
| JP2012229160A (en) * | 2008-04-18 | 2012-11-22 | Asahi Glass Co Ltd | Glass ceramic composition for substrate mounting light-emitting element, substrate mounting light-emitting element using the same, and light-emitting device |
-
1985
- 1985-02-13 JP JP2734985A patent/JPS61186248A/en active Granted
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6247196A (en) * | 1985-08-26 | 1987-02-28 | 松下電器産業株式会社 | Ceramic multilayer substrate |
| JPH0369197B2 (en) * | 1985-08-26 | 1991-10-31 | Matsushita Electric Ind Co Ltd | |
| JPS63215559A (en) * | 1987-02-27 | 1988-09-08 | 日本碍子株式会社 | Ceramic substrate |
| JPH0424307B2 (en) * | 1987-02-27 | 1992-04-24 | Ngk Insulators Ltd | |
| US7709027B2 (en) * | 2001-08-22 | 2010-05-04 | Schott Ag | Antimicrobial, anti-inflammatory, wound-healing glass powder and use thereof |
| US8080490B2 (en) | 2003-02-25 | 2011-12-20 | Schott Ag | Antimicrobial phosphate glass |
| US7816292B2 (en) * | 2004-05-29 | 2010-10-19 | Schott Ag | Nano glass powder and use thereof, in particular multicomponent glass powder with a mean particle size of less than 1 μm |
| JP2012229160A (en) * | 2008-04-18 | 2012-11-22 | Asahi Glass Co Ltd | Glass ceramic composition for substrate mounting light-emitting element, substrate mounting light-emitting element using the same, and light-emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0419176B2 (en) | 1992-03-30 |
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