JPH04149039A - Glaze composition - Google Patents
Glaze compositionInfo
- Publication number
- JPH04149039A JPH04149039A JP27148590A JP27148590A JPH04149039A JP H04149039 A JPH04149039 A JP H04149039A JP 27148590 A JP27148590 A JP 27148590A JP 27148590 A JP27148590 A JP 27148590A JP H04149039 A JPH04149039 A JP H04149039A
- Authority
- JP
- Japan
- Prior art keywords
- heat resistance
- glaze composition
- bao
- glaze
- cao
- 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
- 239000000203 mixture Substances 0.000 title claims abstract description 27
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 abstract description 6
- RUDFQVOCFDJEEF-UHFFFAOYSA-N yttrium(III) oxide Inorganic materials [O-2].[O-2].[O-2].[Y+3].[Y+3] RUDFQVOCFDJEEF-UHFFFAOYSA-N 0.000 abstract description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 abstract description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 abstract description 4
- 229910011255 B2O3 Inorganic materials 0.000 abstract description 3
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum oxide Inorganic materials [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 abstract description 3
- KTUFCUMIWABKDW-UHFFFAOYSA-N oxo(oxolanthaniooxy)lanthanum Chemical compound O=[La]O[La]=O KTUFCUMIWABKDW-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052697 platinum Inorganic materials 0.000 abstract description 2
- 229910052703 rhodium Inorganic materials 0.000 abstract description 2
- 239000010948 rhodium Substances 0.000 abstract description 2
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 abstract description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 abstract 2
- 229910052681 coesite Inorganic materials 0.000 abstract 2
- 229910052593 corundum Inorganic materials 0.000 abstract 2
- 229910052906 cristobalite Inorganic materials 0.000 abstract 2
- 239000002994 raw material Substances 0.000 abstract 2
- 239000000377 silicon dioxide Substances 0.000 abstract 2
- 235000012239 silicon dioxide Nutrition 0.000 abstract 2
- 229910052682 stishovite Inorganic materials 0.000 abstract 2
- 229910052905 tridymite Inorganic materials 0.000 abstract 2
- 229910001845 yogo sapphire Inorganic materials 0.000 abstract 2
- QVQLCTNNEUAWMS-UHFFFAOYSA-N barium oxide Inorganic materials [Ba]=O QVQLCTNNEUAWMS-UHFFFAOYSA-N 0.000 abstract 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 abstract 1
- 239000000758 substrate Substances 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 239000011521 glass Substances 0.000 description 5
- 238000004031 devitrification Methods 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- AYJRCSIUFZENHW-UHFFFAOYSA-L barium carbonate Chemical compound [Ba+2].[O-]C([O-])=O AYJRCSIUFZENHW-UHFFFAOYSA-L 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000004017 vitrification Methods 0.000 description 2
- -1 CaCO5 Inorganic materials 0.000 description 1
- 235000008375 Decussocarpus nagi Nutrition 0.000 description 1
- 244000309456 Decussocarpus nagi Species 0.000 description 1
- 241000220317 Rosa Species 0.000 description 1
- 229910003134 ZrOx Inorganic materials 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004455 differential thermal analysis Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000012776 electronic material Substances 0.000 description 1
- 239000000156 glass melt Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
- C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (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、表面平滑性、耐熱衝撃性、耐熱性を要求され
る電子材料に用いられるグレーズ基板用のグレーズ組成
物に関する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a glaze composition for a glaze substrate used in electronic materials that require surface smoothness, thermal shock resistance, and heat resistance.
「従来の技術」
グレーズ基板は、ファクＶミリのサーマルヘッドやプリ
ンターヘッドに汎用されている。近年の印字速度の高速
化と印字ヘッドの小型化、更にドツトピッチの精細化の
要求に応えるために、熱衝撃に対する耐久性向上と印字
ヘッド製造時の熱処理温度の上昇に応える耐熱性が、印
字ヘッド用グＶ−ズ基板に求められている。``Prior Art'' Glazed substrates are commonly used in Fac V-millimeter thermal heads and printer heads. In order to meet the recent demands for faster printing speeds, smaller print heads, and finer dot pitches, we have developed print heads with improved durability against thermal shock and heat resistance that can withstand increased heat treatment temperatures during print head manufacturing. It is required for V-Z substrates for general use.
従来のグレーズ基板では基板表面の平滑性を主眼として
い次ため、グレーズ組成物の耐熱性は、６００℃程度ま
でしか耐えられないものであった。近年、グレー１組成
物の耐熱性向上が望まれ、７００℃以上の耐熱性を有す
るものが開発されているが（％公昭６０−５５４５８号
公報）、更に約８００℃の高温に耐えかつ従来以上のド
ツトピッチの精細化に屑応するための平面平滑性を発揮
できるグレーズ組成物が望まれている。In conventional glazed substrates, the main focus is on the smoothness of the substrate surface, so the heat resistance of the glaze composition can only withstand temperatures of about 600°C. In recent years, there has been a desire to improve the heat resistance of Gray 1 compositions, and products with heat resistance of 700°C or higher have been developed (% Publication No. 60-55458). There is a need for a glaze composition that can exhibit flat surface smoothness to meet the demands for finer dot pitches.
「発明が解決しようとするＲ題」
グレーズ組成物の耐熱性向二は、通常アＡ／ミナ基板等
のセラミック基板へのグレージング温度の上昇を伴って
、基板の反りやグレーズ端部のひけと結晶化等の問題が
顕著となり、十分な表面平滑性を得ることは困難であっ
た。``Problem to be Solved by the Invention'' The heat resistance of glaze compositions usually increases as the glazing temperature increases on ceramic substrates such as A/Mina substrates, resulting in warpage of the substrate, sink marks and crystallization at the edges of the glaze. Problems such as drying became noticeable, and it was difficult to obtain sufficient surface smoothness.
本発明は、グレーズ組成物の耐熱性向上に伴う種々の１
１題を克服することを目的とする。The present invention provides various methods for improving the heat resistance of glaze compositions.
The aim is to overcome one problem.
「課題を解決するための手段」
その手段は、
グレーズ組成を、酸化物換算重量基準で５ｉｎｓ８０〜
５５ｇ１１Ａ１ｚＯｓ８〜１５−１Ｂ２０３０．５〜５
ｔｓ１Ｃａ０１〜１２％、ＢａＯ５〜８５ Ｔｏ％Ｙ１
０ｓ２〜１５％及びＺｒ０ｚ １〜１０ ％とするとこ
ろにある。"Means for solving the problem" The means is to change the glaze composition to 5ins80 to 5ins80 on an oxide equivalent weight basis.
55g11A1zOs8~15-1B2030.5~5
ts1Ca01~12%, BaO5~85 To%Y1
Zr0z is 2 to 15% and Zr0z is 1 to 10%.
また、他の手段は、
グレーズ組成を、酸化物換算重量基準で５ｉｆｔ８０”
−５５ｔｓ１ＡｈＯｓ８〜ｔ５Ｉｓ１Ｂ２０１０．５〜
５％、Ｃａ１ｌ 〜１２％、ＢａＯ５〜８５ ％ ％Ｙ
ｔＯｓ ２〜１５ Ｔｏ及びＺｒ０ｚ １〜１０ ％’
に必須成分とし、選択成分としてＳｒ０２５ ％以下、
ＭｇＯ２，５Ｓ以下、Ｌａ２Ｏ３１２％ 以下、ＺｎＯ
３％以下及びＴｉＣｈ１５％以下のうちから一種以上を
含有するところ１；ある。Another method is to change the glaze composition to 5ft80" on an oxide equivalent weight basis.
-55ts1AhOs8~t5Is1B2010.5~
5%, Ca1l~12%, BaO5~85% %Y
tOs 2-15 To and Zr0z 1-10%'
as an essential component, and as an optional component Sr025% or less,
MgO2, 5S or less, La2O3 12% or less, ZnO
Containing one or more of 3% or less and 15% or less of TiCh: 1: Yes.
「作用」
Ｓｉ缶は、ガラス構造を形成する主成分で、３０チに満
たないとガラス化が困難であり、５５％を越えると熱膨
張係数が小さくなる傾向が著しくグレーズ基板の反りを
引き起こす。"Function" The Si can is the main component forming the glass structure, and if it is less than 30%, it is difficult to vitrify, and if it exceeds 55%, the coefficient of thermal expansion tends to decrease significantly, causing warping of the glazed substrate.
Ａｌｚ０３は、Ｓ ｉ （ｈとともにガラス構造を形成
し、耐熱性を向上させる効果を有するが、３チに満たな
いと耐熱性の低下をも几らし、１５チを越えるとグレー
ジング温度を著しく高くしてしまうとともに失透傾向が
強くなる。Alz03 forms a glass structure with Si (h) and has the effect of improving heat resistance, but if it is less than 3 inches, it will also reduce the heat resistance, and if it exceeds 15 inches, it will significantly increase the glazing temperature. The tendency for devitrification increases as the temperature increases.
Ｂ２Ｏ３は、ガラス化を助は失透を防ぐ効果を有するが
、０，５チに満穴ないと効果不十分で５％を越えると耐
熱性の低下が著しい。B2O3 has the effect of aiding vitrification and preventing devitrification, but the effect is insufficient unless 0.5 holes are filled, and if it exceeds 5%, the heat resistance decreases significantly.
ＢａＯは、ガラス熔融を助はグレージング温度を低くす
る効果を有するが、５チに満穴ないと効果不十分で、３
５％を越えると耐熱性が低下するとともに熱膨張率が大
きくなり過ぎ基板のズりを引き起こす。BaO has the effect of assisting glass melting and lowering the glazing temperature, but the effect is insufficient unless the 5 holes are full, and 3
If it exceeds 5%, the heat resistance will decrease and the coefficient of thermal expansion will become too large, causing the substrate to deform.
ＣａＯは、ＢａＯとともにガラス熔融金助ける効果を有
するが、１−に満穴ないと効果不十分で１２−を越える
と失透傾向が強くなる。CaO, together with BaO, has the effect of helping the glass melt, but if the hole is not full at 1-, the effect is insufficient, and if it exceeds 12-, there is a strong tendency to devitrify.
Ｙ２０３は、耐熱性を著しく向上させる効果を有するが
、２嘩に満尺ないと効果不十分で１５％を越えると失透
傾向が強くなる。Y203 has the effect of significantly improving heat resistance, but the effect is insufficient if it is less than 2%, and if it exceeds 15%, there is a strong tendency to devitrify.
Ｚ ｒ Ｏｘは、Ｙ２Ｏ３とともに耐熱性を著しく向上
させる効果を有するが、１％に滴たないと効果不十分で
１０−を越えると失透傾向が強くなる。ZrOx, together with Y2O3, has the effect of significantly improving heat resistance, but if it does not drop to 1%, the effect is insufficient, and if it exceeds 10%, there is a strong tendency to devitrify.
本発明のグレーズ組成物は、上記成分のみからなる場合
でも本発明の目的を十分に達成できるが、所望により
ＳｒＯｅ ＭｇＯ＊ ＬａｚＯａ １ＺｎＯ及びＴｉ０
ｍを選択成分として一種以上含有させてもよくその場合
は以下の作用が付加される。The glaze composition of the present invention can sufficiently achieve the object of the present invention even when it consists only of the above-mentioned components, but if desired,
SrOe MgO* LazOa 1ZnO and Ti0
One or more types of m may be included as a selective component, in which case the following effects are added.
ＳｒＯは、ＢａＯ、ＣａＯとともにガラス熔融を助ける
が、２５％を越えると失透傾向が強い。SrO, together with BaO and CaO, helps melt the glass, but when it exceeds 25%, there is a strong tendency for devitrification.
また、ＢａＯの一部を置換して熱膨張率の調整が可能で
ある。Furthermore, the coefficient of thermal expansion can be adjusted by replacing a part of BaO.
ＭｇＯは、少量でも表面平滑性を向上させるが、−２，
５％を越えると失透傾向が強くなる。MgO improves surface smoothness even in small amounts, but -2,
If it exceeds 5%, the tendency for devitrification becomes stronger.
Ｌａ２Ｏ３は、Ｙ２Ｏ５＋ ＺｒＯ２とともに１耐熱性
向上の効果がろるが、１２慢を越えると失透傾向が強い
。La2O3, along with Y2O5+ ZrO2, is less effective in improving heat resistance by 1, but when it exceeds 12, it has a strong tendency to devitrify.
ＺｎＯは、ＭｇＯ同様に表面平滑性を向上させるが、５
チを越えると失透傾向が強くなる。ZnO improves surface smoothness like MgO, but 5
When the temperature exceeds 1, the tendency to devitrify becomes stronger.
Ｔｉ１ｔは、ガラス化を助けるが、１５９６を越えると
失透傾向が強くなる。Tilt helps vitrification, but when it exceeds 1596, the tendency to devitrify increases.
「実施例」
第１表に示す組成となるようにＳｉｎｇ、Ａｌ（ＯＲ）
ｓ、Ｈ３ＢＯｓ、ＢａＣＯ３、ＣａＣＯ５、Ｙ２Ｏ３、
Ｚ ｒ ０２ ｓ白金・ロジウムるつぼ中１８００〜１
５００°Ｃの適切な温度で熔融した後、水中に投下して
ガ′／
ラス化し、本発明にあ九るグレーズ組成動磁１〜１０及
び比較の九めの本発明グレーズ組成物と同様の手順を経
てグレーズ組成動磁１１〜１８を製造した。"Example" Sing, Al(OR) so as to have the composition shown in Table 1
s, H3BOs, BaCO3, CaCO5, Y2O3,
Z r 02 s platinum/rhodium crucible medium 1800-1
After melting at an appropriate temperature of 500°C, the glaze compositions were poured into water to form a glass, and the same glaze compositions as the ninth glaze composition of the present invention 1 to 10 and the comparative 9th glaze composition of the present invention were prepared. Glaze composition dynamic magnets 11 to 18 were manufactured through the following steps.
上記グレーズ組成物の熱特性を測定し九結果を第２表に
示す。The thermal properties of the above glaze composition were measured and the results are shown in Table 2.
第
表
注１）屈伏点
屈伏点は、グレーズ組成物をφ５Ｘ１２０■の円柱状に
加工し、熱膨張を測定し、熱膨張曲線が頂点となる温度
を示す。Table Note 1) Deflection Point Deflection point indicates the temperature at which the thermal expansion curve reaches the peak when the glaze composition is processed into a cylinder shape of φ5×120 mm and the thermal expansion is measured.
注２）軟化点
軟化点は、示差熱分析における第２番目の吸熱ピークに
相当する温度を示す。Note 2) Softening point Softening point indicates the temperature corresponding to the second endothermic peak in differential thermal analysis.
注３）熱膨張係数
熱膨張係数は、屈伏点測足時に８０°Ｃから４００°Ｃ
までの熱膨張差より算出し几ものである。Note 3) Coefficient of thermal expansion The coefficient of thermal expansion is from 80°C to 400°C at the time of yielding point measurement.
It is calculated from the difference in thermal expansion up to.
次にこれらグレーズ組成物をアルミナ製ボーｌｖミｙで
微粉砕して、更にエナ〃セ声ローズ系バインダーと混合
してペーストを調整し、このベーストｔ Ａ ｌｘ Ｏ
ｓ含有率９７ｗｔｑｂの５０ Ｘ ５０×１（■）のア
Ａ／ミナ基板上に塗布し、Ｗ１２表のグレージング温度
で２時間保持することにょシ、表面平滑性の良いグレー
ズ厚約５０〜６０（μｍ）のグレーズドセフミック基板
を得ることができ九。Next, these glaze compositions are finely pulverized with an alumina bowl, and further mixed with an energy rose binder to prepare a paste.
Coat it on a 50 x 50 x 1 (■) A/Mina substrate with a s content of 97 wtqb and hold it for 2 hours at the glazing temperature shown in Table W12 to create a glaze thickness of about 50 to 60 mm with good surface smoothness. A glazed cefmic substrate of 9 μm) can be obtained.
得られ几グレーズ組成物ｍ１〜１８のグレーズド基板を
、８５０″Ｃで１５分間保持したところ凪１〜１１は何
ら変化は見られなかっ几が、−１２，１３は、端部に丸
みを帯びてい元。When the obtained glazed substrates of the glaze compositions m1 to 18 were held at 850''C for 15 minutes, no changes were observed in the glaze compositions m1 to 11, and -12 and 13 had rounded edges. Original.
また、凪１１は、本発明と同程度の高い耐熱性を有する
が、グレージングに要する温度が１８００℃と高く、グ
レーズ面に端部の引け、結晶化が見られ、寮月面で本発
明に有意な点が見られる。In addition, although Nagi 11 has high heat resistance comparable to that of the present invention, the temperature required for glazing is as high as 1800°C, and edge shrinkage and crystallization are observed on the glaze surface. Significant points can be seen.
「発明の効果」
本発明のグレーズ組成物は、耐熱性を高めるとともに、
実用的なりレージング温度でグレーズ基板を製作でき、
かつ、表面平滑性やセラミック基板との熱膨張のマツチ
ングも従来と同等の性能を有する。それゆえ、本発明は
、セラミック基板用グレーズ組成物として近年要求され
る全ての性能を備えた極めて有用な本のである。"Effects of the Invention" The glaze composition of the present invention improves heat resistance, and
Glazed substrates can be produced at practical lasing temperatures,
In addition, the surface smoothness and thermal expansion matching with the ceramic substrate are equivalent to conventional ones. Therefore, the present invention is an extremely useful book that has all the performances required in recent years as a glaze composition for ceramic substrates.
特許出願人 日本特殊陶業株式会社 代表者鈴木亭−Patent applicant: Nippon Tokushu Tokugyo Co., Ltd. Representative Suzukitei
Claims (2)
Ａｌ＿２Ｏ＿３３〜１５％、Ｂ＿２Ｏ＿３０．５〜５％
、ＣａＯ１〜１２％、ＢａＯ５〜３５％、Ｙ＿２Ｏ＿３
２〜１５％及びＺｒＯ＿２１〜１０％からなるグレーズ
組成物。(1) SiO_230-55% based on oxide weight,
Al_2O_33-15%, B_2O_30.5-5%
, CaO1-12%, BaO5-35%, Y_2O_3
Glaze composition consisting of 2-15% and ZrO_21-10%.
Ａｌ＿２Ｏ＿３３〜１５％、Ｂ＿２Ｏ＿３０．５〜５％
、ＣａＯ１〜１２％、ＢａＯ＿５〜３５％、Ｙ＿２Ｏ＿
３２〜１５％及びＺｒＯ＿２１〜１０％を必須成分とし
、これに選択成分としてＳｒＯ２５％以下、ＭｇＯ２．
５％以下、Ｌａ＿２Ｏ＿３１２％以下、ＺｎＯ５％以下
及びＴｉＯ＿２１５％以下のうちから選ばれる一種以上
を含有するグレーズ組成物。(2) SiO_230-55% based on oxide weight,
Al_2O_33-15%, B_2O_30.5-5%
, CaO1-12%, BaO_5-35%, Y_2O_
32-15% and ZrO_21-10% are essential components, and optional components include up to 25% SrO, MgO2.
5% or less, La_2O_312% or less, ZnO_5% or less, and TiO_215% or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2271485A JP2724514B2 (en) | 1990-10-08 | 1990-10-08 | Glaze composition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2271485A JP2724514B2 (en) | 1990-10-08 | 1990-10-08 | Glaze composition |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04149039A true JPH04149039A (en) | 1992-05-22 |
| JP2724514B2 JP2724514B2 (en) | 1998-03-09 |
Family
ID=17500707
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2271485A Expired - Fee Related JP2724514B2 (en) | 1990-10-08 | 1990-10-08 | Glaze composition |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2724514B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5858895A (en) * | 1996-03-13 | 1999-01-12 | Hoya Corporation | Heat-resistant glass |
| JP2002362937A (en) * | 2001-06-04 | 2002-12-18 | Kyocera Corp | Glass composition, glass sintered compact and wiring board obtained by using the sintered compact |
| EP1704909A3 (en) * | 2005-03-22 | 2007-05-23 | Ngk Insulators, Ltd. | Ceramic filter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939783A (en) * | 1982-08-26 | 1984-03-05 | 日本特殊陶業株式会社 | Crystalized glaze substrate |
| JPH0446035A (en) * | 1990-06-14 | 1992-02-17 | Ngk Spark Plug Co Ltd | Glaze composition |
-
1990
- 1990-10-08 JP JP2271485A patent/JP2724514B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5939783A (en) * | 1982-08-26 | 1984-03-05 | 日本特殊陶業株式会社 | Crystalized glaze substrate |
| JPH0446035A (en) * | 1990-06-14 | 1992-02-17 | Ngk Spark Plug Co Ltd | Glaze composition |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5858895A (en) * | 1996-03-13 | 1999-01-12 | Hoya Corporation | Heat-resistant glass |
| JP2002362937A (en) * | 2001-06-04 | 2002-12-18 | Kyocera Corp | Glass composition, glass sintered compact and wiring board obtained by using the sintered compact |
| EP1704909A3 (en) * | 2005-03-22 | 2007-05-23 | Ngk Insulators, Ltd. | Ceramic filter |
| US7585347B2 (en) | 2005-03-22 | 2009-09-08 | Ngk Insulators, Ltd. | Ceramic filter |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2724514B2 (en) | 1998-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |