JPH01132103A - Preparation of electrode for nonlinearly voltage dependent resistor - Google Patents
Preparation of electrode for nonlinearly voltage dependent resistorInfo
- Publication number
- JPH01132103A JPH01132103A JP62289392A JP28939287A JPH01132103A JP H01132103 A JPH01132103 A JP H01132103A JP 62289392 A JP62289392 A JP 62289392A JP 28939287 A JP28939287 A JP 28939287A JP H01132103 A JPH01132103 A JP H01132103A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- element body
- adhesive tape
- formation section
- electrode material
- 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
- 230000001419 dependent effect Effects 0.000 title abstract 3
- 239000007772 electrode material Substances 0.000 claims abstract description 18
- 239000002390 adhesive tape Substances 0.000 claims abstract description 14
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000011787 zinc oxide Substances 0.000 claims abstract description 5
- 238000007751 thermal spraying Methods 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 abstract description 10
- 229910052782 aluminium Inorganic materials 0.000 abstract description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010285 flame spraying Methods 0.000 abstract 3
- 230000002265 prevention Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 description 5
- DKPFZGUDAPQIHT-UHFFFAOYSA-N butyl acetate Chemical compound CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 description 4
- 238000010304 firing Methods 0.000 description 4
- 239000011268 mixed slurry Substances 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 239000011247 coating layer Substances 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000001856 Ethyl cellulose Substances 0.000 description 2
- ZZSNKZQZMQGXPY-UHFFFAOYSA-N Ethyl cellulose Chemical compound CCOCC1OC(OC)C(OCC)C(OCC)C1OC1C(O)C(O)C(OC)C(CO)O1 ZZSNKZQZMQGXPY-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 229910000410 antimony oxide Inorganic materials 0.000 description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- TYIXMATWDRGMPF-UHFFFAOYSA-N dibismuth;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Bi+3].[Bi+3] TYIXMATWDRGMPF-UHFFFAOYSA-N 0.000 description 2
- 229920001249 ethyl cellulose Polymers 0.000 description 2
- 235000019325 ethyl cellulose Nutrition 0.000 description 2
- 239000008187 granular material Substances 0.000 description 2
- AMWRITDGCCNYAT-UHFFFAOYSA-L hydroxy(oxo)manganese;manganese Chemical compound [Mn].O[Mn]=O.O[Mn]=O AMWRITDGCCNYAT-UHFFFAOYSA-L 0.000 description 2
- -1 ionic oxide Chemical compound 0.000 description 2
- VTRUBDSFZJNXHI-UHFFFAOYSA-N oxoantimony Chemical compound [Sb]=O VTRUBDSFZJNXHI-UHFFFAOYSA-N 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- BNGXYYYYKUGPPF-UHFFFAOYSA-M (3-methylphenyl)methyl-triphenylphosphanium;chloride Chemical compound [Cl-].CC1=CC=CC(C[P+](C=2C=CC=CC=2)(C=2C=CC=CC=2)C=2C=CC=CC=2)=C1 BNGXYYYYKUGPPF-UHFFFAOYSA-M 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 229910000428 cobalt oxide Inorganic materials 0.000 description 1
- IVMYJDGYRUAWML-UHFFFAOYSA-N cobalt(ii) oxide Chemical compound [Co]=O IVMYJDGYRUAWML-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Thermistors And Varistors (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
この発明は、電圧非直線抵抗体の電極形成方法に関し、
とくに電圧非直線抵抗体用素体における、電極を形成す
べき領域以外への電極材の飛散固着を効果的に防止しよ
うとするものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a method for forming electrodes of a voltage nonlinear resistor.
In particular, it is intended to effectively prevent the scattering and fixation of electrode material to areas other than areas where electrodes are to be formed in a voltage nonlinear resistor element body.
ここで電圧非直線抵抗体用素体とは、電極を形成する前
における電圧非直線抵抗体用の焼成体を意味する。Here, the element body for a voltage nonlinear resistor means a fired body for a voltage nonlinear resistor before forming electrodes.
（従来の技術）
従来、電圧非直線抵抗体は、主成分である酸化亜鉛粉末
と各種金属酸化物を混合したのち造粒しこの造粒物を成
形、仮焼成さらに本焼成して、まず電圧非直線抵抗体用
の素体を作成し、そして咳素体の両端面に電極材を溶射
する工程を経ることにより製造される。(Prior art) Conventionally, voltage nonlinear resistors are manufactured by first mixing zinc oxide powder, which is the main component, and various metal oxides, then granulating the granules, molding the granules, pre-calcining, and final firing. It is manufactured by creating an element for a non-linear resistor, and then thermally spraying electrode material on both end faces of the element.
（発明が解決しようとする問題点）
ところでミ上記の如き従来の方法に従って製造された電
圧非直線抵抗体は、とくに電極材を溶射する工程におい
て電極材の付着防止用遮へい仮を用いたとしても素体の
電極形成領域以外への微粉末の付着が不可避であり、従
ってそれを処理するために手間がかかったり、また製品
品質に悪い影響を与えるという不利があった。(Problems to be Solved by the Invention) By the way, the voltage nonlinear resistor manufactured according to the conventional method as described above has problems even if a shield is used to prevent the electrode material from adhering, especially in the process of thermally spraying the electrode material. It is inevitable that the fine powder will adhere to areas other than the electrode forming area of the element body, and therefore there are disadvantages in that it takes time and effort to treat it and also has a negative effect on product quality.
この発明の目的は、焼成工程を経た電圧非直線抵抗体用
素体に電極を形成する際に生じていた従来問題を有利に
解消できる、電極形成方法を提業するところにある。An object of the present invention is to provide an electrode forming method that can advantageously solve the conventional problems that occurred when forming electrodes on a voltage nonlinear resistor element body that has undergone a firing process.
（問題点を解決するための手段）
この発明は、酸化亜鉛を主成分とする電圧非直線抵抗体
用素体に電極を形成するに当り、該電圧非直線抵抗体用
素体における電極形成部を除く領域にまず該領域の保護
を計る粘着テープを貼付け、しかるのち該素体の電極形
成部に電極材を溶射することを特徴とする電圧非直線抵
抗体の電極形成方法である。(Means for Solving the Problems) This invention provides an electrode formation portion in the voltage nonlinear resistor element body, which is mainly composed of zinc oxide, when forming an electrode on the voltage nonlinear resistor element body. This is a method for forming electrodes of a voltage nonlinear resistor, which is characterized in that an adhesive tape is first applied to the area other than the area where the electrode is formed, and then an electrode material is thermally sprayed onto the electrode forming part of the element.
（作 用）
この発明では、電圧非直線抵抗体用素体に電極材を溶射
するに先立ち、まず電極形成部以外の電極材が付着して
はまずい領域に粘着テープを貼付け、その後に電極材を
溶射するので、電極材は所要の電極形成部に正確に付着
し、電極材の電極形成部以外への飛散付着等のうれいは
全くない。(Function) In this invention, before spraying the electrode material onto the voltage non-linear resistor element, adhesive tape is first applied to areas other than the electrode forming area where the electrode material should not adhere. Since the electrode material is thermally sprayed, the electrode material adheres precisely to the required electrode forming part, and there is no problem of the electrode material scattering or adhering to areas other than the electrode forming part.
以下この発明を適用して電圧非直線抵抗体を製造する場
合の要領につき説明する。Hereinafter, the procedure for manufacturing a voltage nonlinear resistor by applying the present invention will be explained.
所定の粒度に調整した酸化亜鉛の主原料と所定粒度に調
整した酸化ビスマス、酸化コバルト、酸化マンガン、酸
化アンチモン、酸化クロム、酸化をイ素、酸化ニッケル
等よりなる添加物および好ましくは銀を含むホウケイ酸
ビスマスガラスの所定量を混合する。次いでこれらの原
料粉末に対して所定量のポリビニルアルコール水溶液お
よび酸化アルミニウム源として硝酸アルミニウム溶液の
所定量を混合する。この混合操作は好ましくは乳化機を
用いる。Main raw material of zinc oxide adjusted to a predetermined particle size, additives such as bismuth oxide, cobalt oxide, manganese oxide, antimony oxide, chromium oxide, ionic oxide, nickel oxide, etc. adjusted to a predetermined particle size, and preferably silver. Mix a predetermined amount of bismuth borosilicate glass. Next, a predetermined amount of an aqueous polyvinyl alcohol solution and a predetermined amount of an aluminum nitrate solution as an aluminum oxide source are mixed with these raw material powders. This mixing operation preferably uses an emulsifying machine.
次に好ましくは２００ｍｍＨｇ以下の真空度で減圧脱気
を行い混合泥漿を得る。混合泥漿の水分量は３０〜３５
−１％程度に、またその混合泥漿の粘度は１０゜ｃＰ±
５０とするのが好ましい。Next, deaeration is performed under reduced pressure, preferably at a vacuum level of 200 mmHg or less, to obtain a mixed slurry. The moisture content of mixed slurry is 30-35
-1%, and the viscosity of the mixed slurry is 10°cP±
It is preferable to set it to 50.
次に得られた混合泥漿を噴霧乾燥装置に供給して平均粒
径１００ ｐ ｍ±５０で、水分量が０．５〜２．Ｏｗ
ｔ％、より好ましくは１．０〜１．５ ｗｔ％の造粒粉
を造粒する。Next, the obtained mixed slurry was fed to a spray dryer to obtain an average particle size of 100 pm±50 and a water content of 0.5 to 2. Ow
t%, more preferably 1.0 to 1.5 wt% of the granulated powder is granulated.
次にえられた造粒粉を、成形工程において、成形圧力８
００〜１０００ｋｇ／ｃｍ”の下で所定の形状に成形す
る。そしてその成形体を昇降温度５０〜７０°Ｃ／ｈｒ
で８００〜１０００°Ｃ１保持時間１〜５時間という条
件で仮焼成して結合剤を飛散除去する。Next, the obtained granulated powder was subjected to a molding process at a molding pressure of 8
00 to 1000 kg/cm" and molded into a predetermined shape.Then, the molded body is heated at a rising/lowering temperature of 50 to 70°C/hr.
Temporary firing is performed at 800 to 1000° C. for a holding time of 1 to 5 hours to remove the binder by scattering.
次に、仮焼成した仮焼体の側面に絶縁被覆層を形成する
。絶縁被覆層は具体的に酸化ビスマス、酸化アンチモン
、酸化亜鉛、酸化けい素等の所定量に有機結合剤として
エチルセルロース、ブチルカルピトール、酢酸ｎブチル
等を加えた酸化物ペーストよりなるものとし、これを３
０〜３００μｍの厚さに仮焼体側面に塗布する。Next, an insulating coating layer is formed on the side surface of the calcined body. Specifically, the insulating coating layer is made of an oxide paste made by adding ethyl cellulose, butyl calpitol, n-butyl acetate, etc. as an organic binder to a predetermined amount of bismuth oxide, antimony oxide, zinc oxide, silicon oxide, etc. 3
Coat the side surface of the calcined body to a thickness of 0 to 300 μm.
次にこれを昇降温度３０〜６０°Ｃ／ｈｒ、 １０００
〜１３００°Ｃ好ましくは１１００〜１２５０°Ｃで２
〜７時間という条件で本焼成して、電圧非直線抵抗体用
の素体を得る。Next, raise and lower the temperature at 30 to 60°C/hr, 1000
~1300°C preferably 1100-1250°C 2
Main firing is carried out under conditions of ~7 hours to obtain an element body for a voltage nonlinear resistor.
なお、ガラス粉末に有機結合剤としてエチルセルロース
、ブチルカルピトール、酢酸ｎブチル等を加えたガラス
ペーストを前記絶縁被覆層上に１００〜３００ ｕ ｍ
の厚さに塗布し、空気中で昇降温速度１００〜２００℃
／ ｈｒ、 ４００〜６００℃で０．５〜２時間とい
う条件で熱処理することによりガラス層を形成すると好
ましい。In addition, a glass paste prepared by adding ethyl cellulose, butyl calpitol, n-butyl acetate, etc. as an organic binder to glass powder was applied to the insulating coating layer at a thickness of 100 to 300 μm.
coating to a thickness of 100 to 200℃ in air
It is preferable to form the glass layer by heat treatment at 400 to 600° C. for 0.5 to 2 hours.
次に、得られた電圧非直線抵抗体用素体の電極形成面を
平滑に研磨し、電稿形成面を除く領域に粘着テープをは
りつける。例えば電極を該素体の両端面全面に形成する
円柱形素子を対象とする場合（第１図（ａ））では側面
（イ）に粘着テープを巻きつける。また電極を素体の端
面の縁から約０．１〜２Ｉｌｌｌ＋内側において形成す
る場合（第１図（ｂ））には側面（イ）または両端面外
側（ＩＩ）に粘着テープをはりつけるか側面（イ） と
両端面外側（Ｅｌ）の両方にはりつける。また中空形素
子（第１図（ｅ）または（ｆ））の様に中空部のある素
体の場合には、側面（イ）および中空部側面（ハ）また
は両端面中空部（ネ）をふさぐように両端面内側（ニ）
にテープをはる必要がある。Next, the electrode forming surface of the obtained voltage nonlinear resistor element body is polished smooth, and adhesive tape is attached to the area excluding the electrode forming surface. For example, in the case of a cylindrical element in which electrodes are formed on the entire surfaces of both ends of the element (FIG. 1(a)), adhesive tape is wrapped around the side surfaces (a). In addition, if the electrode is formed approximately 0.1 to 2 Illll+ inside from the edge of the end face of the element (Fig. 1(b)), adhesive tape may be pasted on the side face (A) or both end faces outside (II), or the side face ( A) and the outside of both end faces (El). In addition, in the case of an element body with a hollow part like a hollow element (Fig. 1 (e) or (f)), the side face (A) and the hollow part side face (C), or the hollow part on both end faces (N). Inner side of both ends (d)
You need to tape it.
以上述べてたように電極形成面を除く領域の一部又は全
部に粘着テープをはりつけた後、電極形成面に所定の形
の穴を設けた電極材の付着防止用じゃへい板の如きマス
クをかぶせ、溶射によりアルミニウム等の電極を設ける
。電極材としてはアルミニウムの他に金、銀、銅などの
導電性物質であれば特に限定されない。As mentioned above, after pasting adhesive tape on part or all of the area excluding the electrode formation surface, a mask such as a baffle plate with holes of a predetermined shape to prevent electrode material from adhering to the electrode formation surface is applied. Provide electrodes of aluminum, etc. by overlaying or thermal spraying. The electrode material is not particularly limited as long as it is a conductive material such as gold, silver, copper, etc. in addition to aluminum.
なお、電極形成面を除（領域全部に粘着テープをはりつ
けた場合はマスクを省略することもできる。Note that the mask can be omitted if the adhesive tape is attached to the entire area except for the electrode formation surface.
ここで、上記の粘着テープの材質は特に限定されるもの
ではなく、具体的には紙、ビニール、銅などの他、テフ
ロン、ポリエチレン、布、アルミニウム、ステンレス、
その他金属を用いることもできる。Here, the material of the above-mentioned adhesive tape is not particularly limited, and specifically, in addition to paper, vinyl, copper, etc., Teflon, polyethylene, cloth, aluminum, stainless steel, etc.
Other metals can also be used.
また粘着テープの粘着質の厚さは５〜１０００μ閘が好
ましい。というのは５μ麟未満ではこの発明の効果が充
分発揮されなく、また１０００μｍを越えると粘着質が
素体に付着し、特性に悪影響を与えるからである。The thickness of the adhesive tape is preferably 5 to 1000 μm. This is because if the thickness is less than 5 μm, the effect of the present invention will not be fully exhibited, and if it exceeds 1000 μm, adhesive will adhere to the element body and adversely affect the properties.
また、粘着力ははがれない程度で充分である。In addition, the adhesive strength is sufficient so that it does not peel off.
（実施例）
実施例−１
上述した要領にて作製した外径４７ｍｍ、厚さ２２．５
ｍｍの電圧非直線抵抗体（第１図（ａ）及び（ｂ））に
おいて、この発明を通用して得られた試料Ｎαｌ〜６と
、この発明を適用せず得られた試料Ｎα７〜９を準備し
、それぞれの雷サージ放電耐量合格率を調ここに雷サー
ジ放電耐量合格率とは、４／１０Ｉｌｓの波形の電流を
２回繰返し印加した後の合格率（％）である。(Example) Example-1 An outer diameter of 47 mm and a thickness of 22.5 mm manufactured in the manner described above.
mm voltage nonlinear resistor (Fig. 1 (a) and (b)), samples Nαl~6 obtained by applying this invention and samples Nα7~9 obtained without applying this invention were used. The lightning surge discharge withstand pass rate is the pass rate (%) after repeatedly applying a current with a waveform of 4/10 Ils twice.
その結果を表−１に示す。The results are shown in Table-1.
表−１から明らかなように、この発明を適用して製造し
た試料阻１〜６は試料Ｎａ７〜９（比較例）と比べて電
気的特性が良好でかつ安定していることが確かめられた
。As is clear from Table 1, it was confirmed that Samples 1 to 6 manufactured by applying the present invention had better and more stable electrical characteristics than Samples Na7 to 9 (comparative examples). .
実施例−２
実施例−１と同様の要領にて作製した厚さＤ：１２ｍ５
＋、高さＨ： ３７ｎ＋ｓになる電圧非直線抵抗体（第
１図（ｃ）及び（ｄ））において、この発明を適用して
得られた試料Ｎα１０〜１３とこの発明を適用せずに得
られた試料Ｎａ１４．１５を準備し、それぞれの雷サー
ジ放電耐量合格率を調査した。Example-2 Thickness D: 12m5 manufactured in the same manner as Example-1
+, height H: 37n+s In the voltage nonlinear resistor (Fig. 1 (c) and (d)), samples Nα10 to 13 obtained by applying the present invention and samples obtained without applying the present invention were compared. Samples Na14.15 were prepared, and the lightning surge discharge withstand pass rate of each sample was investigated.
その結果を表−２に示す。The results are shown in Table-2.
表−２から明らかなように、この発明を適用してえられ
た試料Ｎａ１Ｏ〜１３は試料Ｎα１４．１５ （比較例
）と比べて電気的特性が良好でかつ安定していることが
確かめられた。As is clear from Table 2, it was confirmed that samples Na1O to 13 obtained by applying this invention had better and more stable electrical characteristics than sample Nα14.15 (comparative example). .
実施例−３
実施例−１と同様の要領にて作製した外径３４ｍｍ、内
径１４１、厚さ３７ｍｍの電圧非直線抵抗体（第１図（
ｅ）及び（ｆ））において、この発明を適用して得られ
た試料Ｎｏ、 １６〜２２と、この発明を適用せずに得
られた試料Ｎα２３〜２５を準備し、それぞれの雷サー
ジ放電耐量合格率を調査した。Example 3 A voltage nonlinear resistor (Fig. 1 (
In e) and (f)), samples Nos. 16 to 22 obtained by applying this invention and samples Nα23 to 25 obtained without applying this invention were prepared, and the lightning surge discharge withstand capacity of each was prepared. We investigated the passing rate.
その結果を表−３に示す。The results are shown in Table-3.
表−３から明らかなように、この発明を適用して製造し
た電圧非直線抵抗体である試料に１６〜２２は、比較例
２３〜２５と比べて電気的特性が良好でかつ安定してい
ることが確かめられた。As is clear from Table 3, samples 16 to 22, which are voltage nonlinear resistors manufactured by applying the present invention, have better and more stable electrical characteristics than comparative examples 23 to 25. This was confirmed.
（発明の効果）
かくしてこの発明によれば、電圧非直線抵抗体素体に電
極を形成する際、電極形成領域以外への電極材の付着を
安全に防止することが可能で、品質の良好な電圧非直線
抵抗体を得ることができる。(Effects of the Invention) Thus, according to the present invention, when forming electrodes on a voltage nonlinear resistor element, it is possible to safely prevent the electrode material from adhering to areas other than the electrode formation area, and to achieve high quality. A voltage non-linear resistor can be obtained.
第１図（ａ）〜（ｆ）は各種の電圧非直線抵抗体の斜視
図である。
第１図
（ａ）
（ｂ）
第１図
（Ｃ）
（ｄ）
第１図
（ｆ）FIGS. 1(a) to 1(f) are perspective views of various voltage nonlinear resistors. Figure 1 (a) (b) Figure 1 (C) (d) Figure 1 (f)
Claims (1)
電極を形成するに当り、 該電圧非直線抵抗体用素体における電極形 成部を除く領域にまず該領域の保護を計る粘着テープを
貼付け、しかるのち該素体の電極形成部に電極材を溶射
することを特徴とする電圧非直線抵抗体の電極形成方法
。1. When forming electrodes on a voltage non-linear resistor element whose main component is zinc oxide, first apply adhesive tape to the area of the voltage non-linear resistor element excluding the electrode forming part to protect the area. 1. A method for forming electrodes of a voltage nonlinear resistor, which comprises pasting and then thermal spraying an electrode material onto the electrode forming portion of the element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289392A JPH01132103A (en) | 1987-11-18 | 1987-11-18 | Preparation of electrode for nonlinearly voltage dependent resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62289392A JPH01132103A (en) | 1987-11-18 | 1987-11-18 | Preparation of electrode for nonlinearly voltage dependent resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01132103A true JPH01132103A (en) | 1989-05-24 |
Family
ID=17742628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62289392A Pending JPH01132103A (en) | 1987-11-18 | 1987-11-18 | Preparation of electrode for nonlinearly voltage dependent resistor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01132103A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6058276B2 (en) * | 1981-03-09 | 1985-12-19 | ヒガシマル醤油株式会社 | natural antioxidants |
| JPS6122603A (en) * | 1984-07-11 | 1986-01-31 | 株式会社東芝 | Method of forming electrode of nonlinear resistor |
-
1987
- 1987-11-18 JP JP62289392A patent/JPH01132103A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6058276B2 (en) * | 1981-03-09 | 1985-12-19 | ヒガシマル醤油株式会社 | natural antioxidants |
| JPS6122603A (en) * | 1984-07-11 | 1986-01-31 | 株式会社東芝 | Method of forming electrode of nonlinear resistor |
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