JPS62188752A - Soft glass sealing alloy - Google Patents
Soft glass sealing alloyInfo
- Publication number
- JPS62188752A JPS62188752A JP3659187A JP3659187A JPS62188752A JP S62188752 A JPS62188752 A JP S62188752A JP 3659187 A JP3659187 A JP 3659187A JP 3659187 A JP3659187 A JP 3659187A JP S62188752 A JPS62188752 A JP S62188752A
- Authority
- JP
- Japan
- Prior art keywords
- alloy
- oxide film
- soft glass
- corrosion resistance
- sealing
- 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.)
- Granted
Links
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 44
- 239000000956 alloy Substances 0.000 title claims abstract description 44
- 239000011521 glass Substances 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 title claims abstract description 22
- 239000012535 impurity Substances 0.000 claims abstract description 6
- 238000005260 corrosion Methods 0.000 abstract description 18
- 230000007797 corrosion Effects 0.000 abstract description 18
- 229910052799 carbon Inorganic materials 0.000 abstract description 9
- 230000003647 oxidation Effects 0.000 abstract description 6
- 238000007254 oxidation reaction Methods 0.000 abstract description 6
- 239000000203 mixture Substances 0.000 abstract description 4
- 229910019589 Cr—Fe Inorganic materials 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 13
- 229910000640 Fe alloy Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- QDOXWKRWXJOMAK-UHFFFAOYSA-N dichromium trioxide Chemical compound O=[Cr]O[Cr]=O QDOXWKRWXJOMAK-UHFFFAOYSA-N 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052596 spinel Inorganic materials 0.000 description 1
- 239000011029 spinel Substances 0.000 description 1
- 238000005482 strain hardening Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 235000021419 vinegar Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
【発明の詳細な説明】
利用産業分野
この発明は、軟質ガラスとの封着に供する封着用合金に
係り、特に、耐蝕性及び酸化被膜の導電性を改善した軟
質ガラス到着合金に関する。DETAILED DESCRIPTION OF THE INVENTION Field of Application This invention relates to a sealing alloy used for sealing with soft glass, and more particularly to a soft glass arrival alloy with improved corrosion resistance and electrical conductivity of an oxide film.
イｊ６ψＪ古２Ｉｌ：Ｆ
軟質ガラス封着用合金は、例えば、カラーブラウン管の
シャドーマスクを支持するスタットピン等に用いられ、
従来より軟質ガラス到着合金については種々の提案がな
されている。Ij6ψJ古2Il:F Soft glass sealing alloys are used, for example, in stud pins that support the shadow mask of color cathode ray tubes.
Various proposals have been made for soft glass arrival alloys.
一般に封着用合金は、
■封着用合金の熱膨張係数が軟質ガラスの熱膨張係数に
近似すること、
■合金表面の酸化被膜が合金素地に強固に密着すること
、
■合金表面の酸化被膜の導電性が良好なこと、■合金表
面を酸化被膜処理した後の状態で各稀酸に対する耐蝕性
にすぐれていること、等の性質を具備することが必要で
ある。現在、熱膨張係数が軟質ガラスのそれに近似して
いることから、１８Ｃｒ−Ｆｅ合金が多用されている。In general, sealing alloys: ■ The thermal expansion coefficient of the sealing alloy is close to that of soft glass; ■ The oxide film on the alloy surface firmly adheres to the alloy base; ■ The conductivity of the oxide film on the alloy surface. It is necessary to have properties such as (1) excellent corrosion resistance against various dilute acids after the alloy surface has been treated with an oxide film. Currently, 18Cr-Fe alloy is widely used because its coefficient of thermal expansion is close to that of soft glass.
゛また、ガラス到着は、１８Ｃｒ−Ｆｅ合金を所望
形状に成形加工した後、湿潤水素中で、
１０００℃〜１２５０℃に加熱して酸化被膜を形成し、
さらに大気中で１０００℃〜１２５０℃に加熱すること
によって実施されているが、通常、ガラス到着後の部品
は、ガラスの表面処理を施す際に、硝酸、弗酸、混合酸
等の各種酢に浸漬されることがあり、上記した如く、耐
蝕性にすぐれていることが必要である。゛Also, to arrive at the glass, after forming the 18Cr-Fe alloy into the desired shape, it is heated to 1000°C to 1250°C in wet hydrogen to form an oxide film.
This process is further carried out by heating the glass to 1000°C to 1250°C in the atmosphere, but normally, when glass parts are surface treated after they arrive, they are heated to various vinegars such as nitric acid, hydrofluoric acid, and mixed acids. It may be immersed in water, and as mentioned above, it must have excellent corrosion resistance.
さらに、封着合金は、シャドウマスク支持用部品として
使用する場合、表面に形成された酸化被膜を介して電子
回路を構成するため、かかる酸化被膜の導電性がすぐれ
ていることが必要である。Furthermore, when the sealing alloy is used as a shadow mask supporting component, an electronic circuit is constructed through the oxide film formed on the surface, so the oxide film must have excellent electrical conductivity.
発明の目的
この発明は、上述した軟質ガラス封着用合金として必要
な性質を満足し、特に、耐蝕性及び酸化被膜の導電性を
改善した到着合金を目的としている。OBJECTS OF THE INVENTION The object of the present invention is to provide an alloy that satisfies the above-mentioned properties necessary for an alloy for sealing soft glass, and in particular has improved corrosion resistance and electrical conductivity of the oxide film.
発明の構成
この発明は、
Ｃｒ １５ｗｔ％〜３０ｗｔ％、Ｔｉ ０．１ｗｔ％〜
１．０ｗｔ％、ＡＩ ０．０５ ｗｔ％〜１．０ｗｔ％
、Ｓｉ ０．７５ｗｔ％以下、Ｍｎ １．０ｗｔ％以下
、Ｃ０．０３ｗｔ％以下、Ｎ２０．０３ｗｔ％以下に、
Ｚｒ ０．００５ｗｔ％〜０．５ｗｔ％及びＢｅ ０．
００５ｗｔ％〜０．５ｗｔ％を含有し、残部はＦｅ及び
不可避的不純物からなることを特１散とする軟質ガラス
到着用合金である。Structure of the invention This invention includes 15 wt% to 30 wt% of Cr and 0.1 wt% to Ti.
1.0wt%, AI 0.05wt%~1.0wt%
, Si 0.75wt% or less, Mn 1.0wt% or less, C 0.03wt% or less, N2 0.03wt% or less, Zr 0.005wt% to 0.5wt%, and Be 0.
0.005 wt% to 0.5 wt%, with the remainder consisting of Fe and unavoidable impurities.
この発明による封着用合金は、１８Ｃｒ−Ｆｅ合金中の
Ｃ，Ｎ等の不純物は前記酸化被膜形成の熱処理及びガラ
ス封着時に、結晶粒界付近にＣｒ炭化物またはＣｒ窒化
物を形成し、粒界付近に低Ｃｒ層が形成されて耐蝕性が
低下することに鑑み、Ｃ，Ｎ量を低減し、ＣｒよりＣ，
Ｎとの親和力の大きい元素を含有せしめてＣ，Ｎを固定
すること、及び結晶粒を微細化して粒界面積を増大して
粒界付近での低Ｃｒ層を低減することにより、耐蝕性を
大きく改善したもので、さらには緻密かつ高密着の酸化
被膜を形成することにより、一段と改善できる。In the sealing alloy according to the present invention, impurities such as C and N in the 18Cr-Fe alloy form Cr carbide or Cr nitride near the grain boundaries during the heat treatment for forming the oxide film and glass sealing. In view of the fact that a low Cr layer is formed nearby and the corrosion resistance decreases, the amount of C and N is reduced, and C,
Corrosion resistance is improved by fixing C and N by containing elements with a high affinity for N, and by making the crystal grains finer, increasing the grain boundary area, and reducing the low Cr layer near the grain boundaries. This is a great improvement, and can be further improved by forming a dense and highly adhesive oxide film.
また、この発明による封着用合金は、Ｃｒ−Ｆｅ合金の
前記した酸化処理による表面酸化被膜は、主として、Ｐ
型半導体のＣｒ２Ｏ３で構成され、この酸化被膜中に、
Ｃｒ３より原子価の大きい、例えば、Ｔｉ４＋、Ｓｉ４
＋のイオンが存在すると、電気抵抗が増加することに鑑
み、酸化被膜中の前記金属イオンを極力少なくしたこと
により、導電性を改善したものである。Further, in the sealing alloy according to the present invention, the surface oxide film formed by the above-mentioned oxidation treatment of the Cr-Fe alloy is mainly composed of P.
It is composed of Cr2O3 type semiconductor, and in this oxide film,
Higher valence than Cr3, for example, Ti4+, Si4
Considering that the presence of + ions increases electrical resistance, conductivity is improved by minimizing the amount of metal ions in the oxide film.
すなわち、この発明による封着用合金は、１５〜３０Ｃ
ｒ−Ｆｅ合金系に、特定量のＺｒとＢｅを含有すること
により、上述した軟質ガラス封着用合金として必要な性
質を満足し、特に、耐蝕性及び酸化被膜の導電性にすぐ
れた封着合金を得たものである。That is, the sealing alloy according to the present invention has a 15 to 30C
By containing specific amounts of Zr and Be in the r-Fe alloy system, a sealing alloy that satisfies the above-mentioned properties necessary for a soft glass sealing alloy, and has particularly excellent corrosion resistance and oxide film conductivity. This is what I got.
組成限定理由
以下に、この発明による封着合金の成分組成の限定理由
を詳述する。Reasons for limiting composition The reasons for limiting the composition of the sealing alloy according to the present invention will be explained in detail below.
Ｃｒは、この到着合金の基本成分であるが、１５ｗｔ％
未満では熱膨張係数が大きくなり、軟質ガラスの熱膨張
係数との差が大きくなり好ましくなく、また、３０ｗｔ
％を越えると、加工性が劣化し、所定形状に成形困難と
なるため、
１５ｗｔ％〜３０ｗＬ％とする。Cr is the basic component of this arriving alloy, with 15 wt%
If it is less than 30 wt, the thermal expansion coefficient becomes large and the difference with the thermal expansion coefficient of soft glass increases, which is not preferable.
If it exceeds 15 wt% to 30 wL%, processability deteriorates and it becomes difficult to form into a predetermined shape.
Ｔｉは、合金中のγ相析出の防止及び酸化被膜の密着性
、耐蝕性改善に有効であるが、０．１ｗｔ％未満酸化被
膜の電気抵抗が高くなりすぎて導電性が劣化するため、
０．１ｗｔ％〜１．０ｗｔ％とする。Ti is effective in preventing γ phase precipitation in the alloy and improving the adhesion and corrosion resistance of the oxide film, but if it is less than 0.1 wt%, the electrical resistance of the oxide film becomes too high and the conductivity deteriorates.
The content is set at 0.1 wt% to 1.0 wt%.
Ａｔは、合金の脱酸及び酸化被膜の密着性の改善に有効
であるが、０．０５ｗｔ％未満ではその効果がなく、ま
た、１．０ｗｔ％を越えると上記効果が飽和すると共に
硬化し、加工が困難となるため、０．０５ｗｔ％〜１．
０ｗｔ％とする。At is effective in deoxidizing the alloy and improving the adhesion of the oxide film, but if it is less than 0.05 wt%, it has no effect, and if it exceeds 1.0 wt%, the above effects are saturated and it hardens. Since processing becomes difficult, the amount of 0.05 wt% to 1.
It is set to 0wt%.
Ｓｉは、脱酸のため含有するが、０．７５ｗｔ％を越え
ると脱酸効果が飽和するため好ましくない。Si is included for deoxidation, but if it exceeds 0.75 wt%, the deoxidation effect will be saturated, which is not preferable.
Ｍｎは、脱酸効果及び酸化被膜の最外側層に、Ｍｎ、Ｃ
ｒ２Ｏ４スピネル酸化物を形成し、ガラスとの濡れ性を
改善する効果があるが、１．０ｗｔ％を越えると、合金
の熱膨張係数が大きくなりすぎるため好ましくない。Mn has a deoxidizing effect and the outermost layer of the oxide film.
Although it has the effect of forming r2O4 spinel oxide and improving wettability with glass, if it exceeds 1.0 wt%, the coefficient of thermal expansion of the alloy becomes too large, which is not preferable.
Ｃは、到着時の発泡防止及びγ相析出の防止かつ耐蝕性
改善のためには、極力少ないほうが好ましいが、０．０
３ｗｔ％以下の含有であれば、実用上問題がない。In order to prevent foaming upon arrival, prevent γ phase precipitation, and improve corrosion resistance, it is preferable that C be as small as possible, but 0.0
If the content is 3 wt% or less, there will be no practical problem.
Ｎ２は、γ相析出の防止かつ耐蝕性改善のためには、極
力少ないほうが好ましいが、０．０３ｗｔ％以下の含有
であれば、実用上問題がない。In order to prevent γ phase precipitation and improve corrosion resistance, it is preferable that N2 be as small as possible, but if the content is 0.03 wt% or less, there will be no practical problem.
Ｚｒは、合金中のＣ，Ｎ等の不純物と結合し、炭化物ま
たは窒化物を形成してＣ，Ｎを固定し、さらに、結晶粒
を微細化すると共に、酸化被膜の密着性を改善し、これ
らの相乗効果により、耐蝕性を著しく改善する効果があ
るが、０．００５ｗｔ％未満ではその効果が少なく、ま
た、０．５ｗｔ％を越えると合金の熱間加工性が低下す
るため、０．００５ｗｔ％〜０．５ｗｔ％とする。Zr combines with impurities such as C and N in the alloy to form carbides or nitrides to fix C and N, further refines crystal grains and improves the adhesion of the oxide film. These synergistic effects have the effect of significantly improving corrosion resistance, but if it is less than 0.005 wt%, the effect is small, and if it exceeds 0.5 wt%, the hot workability of the alloy decreases. 0.05 wt% to 0.5 wt%.
Ｂｅは、合金中の結晶粒を微細化すると共に、酸化被膜
の緻密性、密着性を改善し、耐蝕性を著しく改善する効
果があるが、０．００５ｗｔ％未満ではその効果が少な
く、また、０．５ｗｔ％を越えると硬化しすぎて合金の
冷間加工性が低下するため、０．００５ｗｔ％〜０．５
ｗｔ％とする。Be has the effect of refining the crystal grains in the alloy, improving the density and adhesion of the oxide film, and significantly improving the corrosion resistance, but if it is less than 0.005 wt%, the effect is small; If it exceeds 0.5 wt%, it will harden too much and the cold workability of the alloy will decrease, so 0.005 wt% to 0.5
Let it be wt%.
この発明の封着合金は、ＺｒとＢｅを複合含有すること
を特徴とするが、ＺｒとＢｅの複合含有量は、０．０１
ｗｔ％未満では合金中の結晶粒の微ｉｔ＋＋化効果がな
いと共に、酸化被膜の緻密性、密着性の改善効果がなく
、また耐蝕性を改善する効果もなく、また、１．０ｗｔ
％を越えると、合金は硬化して熱間加工性が低下すると
ともに、冷間加工も困難となるため、０．０１ｗｔ％〜
１．０ｗｔ％とする。The sealing alloy of the present invention is characterized by containing a composite of Zr and Be, and the composite content of Zr and Be is 0.01
If it is less than 1.0wt%, there is no effect of making the crystal grains in the alloy micro-IT++, and there is no effect of improving the density and adhesion of the oxide film, and there is no effect of improving corrosion resistance.
If it exceeds 0.01wt%, the alloy will harden and its hot workability will decrease, and cold working will also become difficult.
It is set to 1.0 wt%.
Ｆｅは、この合金の主成分であり、上述した各成分を含
有した残余とする。Fe is the main component of this alloy, and is the remainder containing the above-mentioned components.
また、不純物としてのＮｉは０．０２ｗｔ％以下の含有
であれば、封着合金としての所要の性質を劣化させるこ
とがない。Further, if Ni is contained as an impurity in an amount of 0.02 wt% or less, the required properties as a sealing alloy will not be deteriorated.
実施例
以下に、この発明による実施例を示しその効果を明らか
にする。EXAMPLES Below, examples according to the present invention will be shown to clarify its effects.
第１表に示す組成成分に従って、この発明による封着合
金（試料Ｎｏ、１〜２）と、比較合金（試料Ｎｏ、３〜
５）を作製し、各合金の電気抵抗値測定、並びに耐蝕性
試験、酸化被膜の密着性試験を行ない、その結果を第２
表に示す。According to the composition shown in Table 1, the sealing alloy according to the present invention (Sample No. 1-2) and the comparative alloy (Sample No. 3-2)
5), measured the electrical resistance value of each alloy, conducted a corrosion resistance test, and an oxide film adhesion test, and reported the results to the second
Shown in the table.
電気抵抗値の測定は、第１表の各合金より０．８ｍｍ厚
みＸ４０ｍｍ幅Ｘ５０ｍｍ長さに切り出した試験片を、
１２００℃で６０秒、露点４０℃の湿潤水素ガス中で予
備酸化処理したのち、１２００°Ｃで６０秒、大気中の
酸化処理を施し、その酸化被膜表面に炭素系の導電性塗
料を一定面積塗布し、乾燥させたのち、酸化被膜の電気
抵抗を測定した。To measure the electrical resistance value, a test piece of 0.8 mm thickness x 40 mm width x 50 mm length was cut from each alloy in Table 1.
After preliminary oxidation treatment at 1200°C for 60 seconds in humid hydrogen gas with a dew point of 40°C, oxidation treatment was performed at 1200°C for 60 seconds in the air, and a certain area of carbon-based conductive paint was applied to the surface of the oxide film. After coating and drying, the electrical resistance of the oxide film was measured.
耐蝕性試験は、上記の酸化処理後の試験片に、硝酸二部
酸＝１＝１の混合酸（２０℃）に、２時間浸漬し、この
場合の溶解減量を測定して耐蝕性を評価した。In the corrosion resistance test, the test piece after the above oxidation treatment was immersed in a mixed acid of nitric acid = 1 = 1 (20 ° C.) for 2 hours, and the loss in dissolution in this case was measured to evaluate the corrosion resistance. did.
酸化被膜の密着性試験は、上記の予備酸化処理後の試験
片に、軟質ガラスを載置し、１２００°Ｃに保持した加
熱装置中で３０秒間加熱し、その後常温まで冷却し、本
ハンマーでガラスを破壊した際のガラスとの接着面にお
いて、酸化被膜がガラスと共に剥離して金属素地が露出
した割合により評価した。また、各試料はそれぞれ１０
個ずつ試験に供した。In the adhesion test of the oxide film, a soft glass was placed on the test piece after the preliminary oxidation treatment, heated for 30 seconds in a heating device kept at 1200°C, then cooled to room temperature, and then heated with a real hammer. Evaluation was made based on the rate at which the oxide film peeled off together with the glass and the metal base was exposed on the adhesive surface with the glass when the glass was broken. In addition, each sample had 10
Each piece was subjected to the test.
すなわち、評価は、 Ｇ１：金属素地が全く認められない、 Ｇ２；金属素地の露出が５％未満、 Ｇ３；金属素地の露出が５％〜１０％、である。In other words, the evaluation is G1: No metal base is recognized at all. G2; less than 5% of the metal base exposed; G3: The exposure of the metal base is 5% to 10%.
第２表の試験結果から明らかな如く、この発明による封
着合金は、所要の性質を満足すると共に、耐蝕性及び酸
化被膜の導電性にすぐれていることが分る。As is clear from the test results in Table 2, the sealing alloy according to the present invention satisfies the required properties and has excellent corrosion resistance and electrical conductivity of the oxide film.
以下余白Margin below
Claims (1)
０ｗｔ％、Ａｌ０．０５ｗｔ％〜１．０ｗｔ％、Ｓｉ０
．７５ｗｔ％以下、Ｍｎ１．０ｗｔ％以下、Ｃ０．０３
ｗｔ％以下、Ｎ＿２０．０３ｗｔ％以下に、 Ｚｒ０．００５ｗｔ％〜０．５ｗｔ％及び Ｂｅ０．００５ｗｔ％〜０．５ｗｔ％を含有し、残部は
Ｆｅ及び不可避的不純物からなることを特徴とする軟質
ガラス封着用合金。[Claims] 1 Cr: 15wt% to 30wt%, Ti: 0.1wt% to 1.
0wt%, Al0.05wt%~1.0wt%, Si0
．． 75wt% or less, Mn 1.0wt% or less, C0.03
A soft glass characterized by containing 0.005 wt% to 0.5 wt% of Zr and 0.005 wt% to 0.5 wt% of Be in 20.03 wt% or less of N_20.03 wt% or less, with the remainder consisting of Fe and inevitable impurities. Alloy for sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3659187A JPS62188752A (en) | 1987-02-19 | 1987-02-19 | Soft glass sealing alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3659187A JPS62188752A (en) | 1987-02-19 | 1987-02-19 | Soft glass sealing alloy |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12829883A Division JPS6021360A (en) | 1983-07-13 | 1983-07-13 | Alloy for sealing soft glass |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62188752A true JPS62188752A (en) | 1987-08-18 |
| JPS6319587B2 JPS6319587B2 (en) | 1988-04-23 |
Family
ID=12474022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3659187A Granted JPS62188752A (en) | 1987-02-19 | 1987-02-19 | Soft glass sealing alloy |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62188752A (en) |
-
1987
- 1987-02-19 JP JP3659187A patent/JPS62188752A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6319587B2 (en) | 1988-04-23 |
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