JPS638271A - Sealing composition - Google Patents
Sealing compositionInfo
- Publication number
- JPS638271A JPS638271A JP15107386A JP15107386A JPS638271A JP S638271 A JPS638271 A JP S638271A JP 15107386 A JP15107386 A JP 15107386A JP 15107386 A JP15107386 A JP 15107386A JP S638271 A JPS638271 A JP S638271A
- Authority
- JP
- Japan
- Prior art keywords
- sealing
- weight
- ceramics
- oxide
- alumina ceramics
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims description 19
- 239000000203 mixture Substances 0.000 title claims description 12
- 239000000919 ceramic Substances 0.000 claims description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 239000011195 cermet Substances 0.000 claims description 5
- 229910001940 europium oxide Inorganic materials 0.000 claims description 5
- AEBZCFFCDTZXHP-UHFFFAOYSA-N europium(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Eu+3].[Eu+3] AEBZCFFCDTZXHP-UHFFFAOYSA-N 0.000 claims description 5
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 22
- 229910001507 metal halide Inorganic materials 0.000 description 7
- 150000005309 metal halides Chemical class 0.000 description 7
- 229910052736 halogen Inorganic materials 0.000 description 4
- 150000002367 halogens Chemical class 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 238000002844 melting Methods 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 2
- 239000004372 Polyvinyl alcohol Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 239000011733 molybdenum Substances 0.000 description 2
- 229910052758 niobium Inorganic materials 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 2
- 229920002451 polyvinyl alcohol Polymers 0.000 description 2
- 238000009877 rendering Methods 0.000 description 2
- YAIQCYZCSGLAAN-UHFFFAOYSA-N [Si+4].[O-2].[Al+3] Chemical compound [Si+4].[O-2].[Al+3] YAIQCYZCSGLAAN-UHFFFAOYSA-N 0.000 description 1
- ZCWWGVYFXOYCND-UHFFFAOYSA-N aluminum magnesium dioxosilane oxygen(2-) Chemical compound [Si](=O)=O.[O-2].[Mg+2].[O-2].[Al+3] ZCWWGVYFXOYCND-UHFFFAOYSA-N 0.000 description 1
- -1 aluminum oxide-yttrium oxide-silicon dioxide-magnesium oxide Chemical compound 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 229910003440 dysprosium oxide Inorganic materials 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical class [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 239000011812 mixed powder Substances 0.000 description 1
- SIWVEOZUMHYXCS-UHFFFAOYSA-N oxo(oxoyttriooxy)yttrium Chemical compound O=[Y]O[Y]=O SIWVEOZUMHYXCS-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 229910001845 yogo sapphire Inorganic materials 0.000 description 1
Landscapes
- Ceramic Products (AREA)
- Glass Compositions (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明は、セラミックス相互間又はセラミックスと金属
若しくはサーメットとを封着する封着用組成物に係り、
特にメタルハライドランプ等の発光管として用いられる
透光性アルミナセラミックスとアルミナセラミックス、
アルミナサーメット又はニオブ、モリブデン等の耐熱性
金属とを封着する封着用組成物に関するものである。Detailed Description of the Invention [Field of Industrial Application] The present invention relates to a sealing composition for sealing ceramics to each other or to sealing ceramics and metals or cermets.
In particular, translucent alumina ceramics and alumina ceramics used as arc tubes for metal halide lamps, etc.
The present invention relates to a sealing composition for sealing alumina cermet or a heat-resistant metal such as niobium or molybdenum.
［従来の技術］
従来、メタルハライドランプ等の発光管として用いられ
る透光性アルミナセラミックスとアルミナセラミックス
又は耐熱性金属等とを封着する封着用組成物としては、
例えば特公昭５６−４４０２５号公報所載の酸化アルミ
ニウム一二酸化ケイ素−酸化ジスプロシウム系（以下、
Ａ／２２０３−３ ｉ○２−ＤＶ２０３系と記す）、特
開昭５９−９２９７６号公報所載の酸化ランタン−酸化
ベリリウムー二酸化ケイ素、酸化アルミニウム、酸化イ
ツトリウム、酸化マグネシウム系（以下、Ｌａ２０３−
５ｅＱ−３ｉ０２．Ａｌ２Ｏ３，Ｙ２Ｏ３，ＭｑＯ系と
記す）、特開昭５９−２１９８４９号公報所載の酸化ア
ルミニウムー酸化イットリウムー二酸化ケイ素−酸化マ
グネシウム系（以下、Ａｆ！２０３−Ｙ２００３−３ｉ
Ｏ２−Ω○系と記す）及び特開昭５９−２１９８５０号
公報所載の酸化マグネシウム−酸化アルミニウムー二酸
化ケイ素系（以下、１ＭＱＯ−Ａｌ１０３−３ ！０２
系と記す）が知られている。[Prior Art] Conventionally, sealing compositions for sealing translucent alumina ceramics and alumina ceramics or heat-resistant metals used as arc tubes of metal halide lamps and the like include:
For example, aluminum oxide silicon monodioxide-dysprosium oxide system (hereinafter referred to as
A/2203-3 i○2-DV203 series), lanthanum oxide-beryllium oxide-silicon dioxide, aluminum oxide, yttrium oxide, magnesium oxide series (hereinafter referred to as La203-
5eQ-3i02. Al2O3, Y2O3, MqO system), aluminum oxide-yttrium oxide-silicon dioxide-magnesium oxide system (hereinafter referred to as Af!203-Y2003-3i) described in JP-A-59-219849
O2-Ω○ system) and magnesium oxide-aluminum oxide-silicon dioxide system (hereinafter referred to as 1MQO-Al103-3 !02
system) is known.
［発明が解決しようとする問題点］
しかし、上記従来のＡｆ！２０３−３ ！ ０２−Ｄ￥
２０３系、Ｌａ２０：３−１ｅｅ○−３ｉＯ２゜Ａｌ１
０３．Ｙ２０３．ＭｇＯ系、Ａｌ１０３−♀２０３−３
ｉ ０２−ＭｇＯ系及びＭＣＩ〇−Ａ１２０３−８
ｉｏ２系の封着用組成物のいずれもハロゲン蒸気に対す
る耐性が弱いため、封入物である金属ハライドと反応し
てしまい、これがリークの原因や演色性低下につながる
問題がおる。[Problems to be solved by the invention] However, the above-mentioned conventional Af! 203-3! 02-D￥
203 series, La20:3-1ee○-3iO2゜Al1
03. Y203. MgO-based, Al103-♀203-3
i 02-MgO system and MCI〇-A1203-8
Since all of the io2-based sealing compositions have low resistance to halogen vapor, they react with the metal halide that is the filler, which causes problems such as leakage and deterioration of color rendering properties.
又、熱膨張係数が透光性アルミナセラミックスのそれと
異なるため、封着部にクラックが発生してリークの原因
となる問題がある。Furthermore, since the coefficient of thermal expansion is different from that of translucent alumina ceramics, there is a problem in that cracks occur in the sealed portion, causing leakage.
そこで、本発明は、ハロゲン蒸気に対する耐性を強くし
得ると共に、金属ハライドとの反応を防止し得、かつ封
着部にあけるクラックの発生を少なくし得るようにした
封着用組成物を提供しようとするものでおる。SUMMARY OF THE INVENTION Therefore, the present invention seeks to provide a sealing composition that is highly resistant to halogen vapor, prevents reaction with metal halides, and reduces the occurrence of cracks in the sealed portion. I have something to do.
［問題点を解決するための手段］
本発明は、前記問題点を解決するため、セラミックス相
互間又はセラミックスと金属若しくはサーメットとを封
着する封着用組成物であって、酸化アルミニウム１０〜
３５重量％、二酸化ケイ素１５〜４５重量％及び酸化ユ
ーロピウム３５〜７０重量％からなるものでおる。[Means for Solving the Problems] In order to solve the above-mentioned problems, the present invention provides a sealing composition for sealing between ceramics or between ceramics and a metal or cermet, which comprises aluminum oxide 10-10.
35% by weight, 15-45% by weight of silicon dioxide, and 35-70% by weight of europium oxide.
［作 用］
酸化アルミニウム（以下、△ｊ２ｚｏ３と記す〉は、上
記添加量の範囲において透光性アルミナセラミックスと
の結合性を良好にする。添加量が３５重量％を越えると
融点が１５００’Ｃ以上となり、封着作業が困難となる
。又、添加量が１０重量％未満では、熱膨張係数が透光
性アルミナセラミックスのそれより小ざくなってしまう
。[Function] Aluminum oxide (hereinafter referred to as △j2zo3) improves the bonding properties with translucent alumina ceramics within the range of the amount added above.If the amount added exceeds 35% by weight, the melting point increases to 1500'C. This makes the sealing work difficult.Furthermore, if the amount added is less than 10% by weight, the coefficient of thermal expansion will be smaller than that of translucent alumina ceramics.
二酸化ケイ素（以下、５ｉＯｚと記す）は、上記添加量
の範囲において融点の低下に関与する。Silicon dioxide (hereinafter referred to as 5iOz) is involved in lowering the melting point within the range of the amount added above.
添加量が４５重量％を越えると熱膨張係数が透光性アル
ミナセラミックスのそれより小さくなり、リークの原因
となる。又、添加量が１５重量％未満では、適正な融点
が得られない。If the amount added exceeds 45% by weight, the coefficient of thermal expansion will be smaller than that of translucent alumina ceramics, causing leakage. Further, if the amount added is less than 15% by weight, an appropriate melting point cannot be obtained.
酸化ユーロピウム（以下、ＥＩＪ２０３と記す〉は、上
記添加量の範囲において熱膨張係数を透光性アルミナセ
ラミックスのそれに近づけ、同時にアルミナと化合物を
生成し、これが耐ハロゲン性を高める。添加量が７０重
量％を越えると高融点となる。又、添加量が３５重量％
未満では、熱膨張が低くなってリークの原因となる。Europium oxide (hereinafter referred to as EIJ203) has a coefficient of thermal expansion close to that of translucent alumina ceramics in the range of the amount added above, and at the same time forms a compound with alumina, which improves halogen resistance. If the amount exceeds 35% by weight, the melting point will be high.Also, the amount added is 35% by weight.
If it is less than that, the thermal expansion will be low and cause leakage.
［実施例］ 以下、本発明の詳細な説明する。[Example] The present invention will be explained in detail below.
Ａｆ！２０３、ＳｉＣ２及びＥＩＪ２０３の粉末を表に
示す割合で混合し、これにエタノールを加えてアルミナ
質のボールミルで粉砕混合してから乾燥し、この混合粉
にポリビニルアルコール（ＰＶＡ）を詰合剤として添加
し、ペースト状の封着用組成物Ｎｏ、 １〜Ｎｏ、 １
０を得た。Af! 203, SiC2, and EIJ203 powders are mixed in the proportions shown in the table, ethanol is added to this, pulverized and mixed in an alumina ball mill, and then dried. Polyvinyl alcohol (PVA) is added to this mixed powder as a packing agent. Paste-like sealing compositions No. 1 to No. 1
I got 0.
このペースト状封着用組成物をメタルハライドランプに
用いられる多結晶の透光性アルミナセラミックスからな
る発光管とアルミナセラミックスからなる端部円盤との
間の九ロシールに使用し、真空雰囲気中で１５００°Ｃ
まで昇温して封着した。This paste-like sealing composition was used for a seal between an arc tube made of polycrystalline translucent alumina ceramics used in a metal halide lamp and an end disk made of alumina ceramics, and heated at 1500°C in a vacuum atmosphere.
The temperature was raised to 100° and sealed.
封着した発光管の気密性、寿命及び耐熱度の試験結果を
表に示す。The test results of the sealed arc tube's airtightness, lifespan, and heat resistance are shown in the table.
なお、試料中Ｎ０１３〜Ｎｏ、 ７の封着用組成物を用
いて製造されたメタルハライドランプは、リークもなく
、シール部にいかなる化学変化もみられなかった。Incidentally, the metal halide lamps manufactured using the sealing compositions of samples No. 013 to No. 7 had no leakage and no chemical change was observed in the seal portion.
又、上記実施例においては、多結晶の透光［生アルミナ
セラミックスとアルミナセラミックスとを封着する場合
について述べたが、多結晶の透光性アルミナセラミック
スと、この透光性アルミナセラミックスに熱膨張係数が
近いアルミナサーメット又はニオブ、モリブデン等の耐
熱性金属との封着用組成物として用いることができる。In addition, in the above embodiment, polycrystalline translucent [raw alumina ceramics] and alumina ceramics are sealed together, but polycrystalline translucent alumina ceramics and thermal expansion It can be used as a sealing composition with alumina cermet or heat-resistant metals such as niobium and molybdenum, which have similar coefficients.
［発明の効果］
以上のように本発明によれば、酸化ユーロピウムがアル
ミナと化合して耐ハロゲン性の化合物を生成するので、
従来のようにランプ点灯中、成分の一部が金属ハライド
と反応し発光して演色性を低下させたりする現象も殆ど
生じない。又、透光性アルミナセラミックスやアルミナ
サーメットに対する濡れ性（結合性）が良好で、熱膨張
係数も近似しているので、熱応力等によるクランクの発
生を極めて少なくすることができる。[Effects of the Invention] As described above, according to the present invention, europium oxide combines with alumina to produce a halogen-resistant compound.
Unlike conventional lamps, there is almost no phenomenon in which some of the components react with metal halides and emit light during lamp lighting, resulting in a decrease in color rendering properties. Furthermore, since it has good wettability (bondability) with translucent alumina ceramics and alumina cermet, and has a similar coefficient of thermal expansion, it is possible to extremely reduce the occurrence of cranking due to thermal stress or the like.
Claims (1)
くはサーメットとを封着する封着用組成物であって、酸
化アルミニウム１０〜３５重量％、二酸化ケイ素１５〜
４５重量％及び酸化ユーロピウム３５〜７０重量％から
なることを特徴とする封着用組成物。(1) A sealing composition for sealing between ceramics or between ceramics and metal or cermet, comprising 10 to 35% by weight of aluminum oxide and 15 to 35% by weight of silicon dioxide.
45% by weight of europium oxide and 35-70% by weight of europium oxide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15107386A JPS638271A (en) | 1986-06-27 | 1986-06-27 | Sealing composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15107386A JPS638271A (en) | 1986-06-27 | 1986-06-27 | Sealing composition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS638271A true JPS638271A (en) | 1988-01-14 |
Family
ID=15510715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15107386A Pending JPS638271A (en) | 1986-06-27 | 1986-06-27 | Sealing composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS638271A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02133379A (en) * | 1988-11-14 | 1990-05-22 | Okazaki Seisakusho:Kk | Bonding method |
-
1986
- 1986-06-27 JP JP15107386A patent/JPS638271A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02133379A (en) * | 1988-11-14 | 1990-05-22 | Okazaki Seisakusho:Kk | Bonding method |
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