JP6280441B2 - 電圧非直線抵抗体 - Google Patents
電圧非直線抵抗体 Download PDFInfo
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- JP6280441B2 JP6280441B2 JP2014104641A JP2014104641A JP6280441B2 JP 6280441 B2 JP6280441 B2 JP 6280441B2 JP 2014104641 A JP2014104641 A JP 2014104641A JP 2014104641 A JP2014104641 A JP 2014104641A JP 6280441 B2 JP6280441 B2 JP 6280441B2
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Description
f(100)=I(100)/(I(100)+I(002)+I(101))
但し、I(hkl)は(hkl)面のピーク強度(積分値)を表す。なお、「主成分」とは50重量%以上の重量割合を占める成分のことをいう。
f(002)=I(002)/(I(100)+I(002)+I(101))
酸化亜鉛粉末の原料粉末を以下の方法により作製した。硝酸亜鉛六水和物(関東化学株式会社製)を用いて、濃度0.1MのZn(NO3)2水溶液を作製した。また。水酸化ナトリウム(シグマアルドリッチ社製)を用いて濃度0.1MのNaOH水溶液を作製した。NaOH水溶液に対し、Zn(NO3)2水溶液を体積比1:1で混合し、攪拌しながら80℃で6時間保持して、沈殿物を得た。沈殿物をイオン交換水で3回洗浄した後、乾燥することで板状の酸化亜鉛一次粒子が凝集した球状の二次粒子を得た。続いて、直径2mmのZrO2製ボールを用い、IPA(イソプロピルアルコール)を分散媒として、ボールミル粉砕処理を4時間行うことにより酸化亜鉛二次粒子を体積基準D50平均粒径0.6μmの板状一次粒子へと粉砕した。この板状一次粒子は、(100)面に配向されたものであることを透過型電子顕微鏡像及び制限視野電子線回折により確認した。
f(hkl)=I(hkl)/(I(100)+I(002)+I(101))
(I(hkl)は試料における(hkl)面の回折強度(積分値))
酸化亜鉛とAl成分以外の助剤原料を表1に示す組成となるように所定量秤量し、実施例と同様にボールミル粉砕した助剤原料混合物と、実施例と同様にして作製した板状酸化亜鉛一次粒子及び、硝酸アルミニウム水溶液を所定量添加し、水分量を50wt%となるように調整し、微量のバインダー、分散剤及び消泡剤とともに超音波攪拌を60分間、羽攪拌を30分間行い混合した後、スプレードライヤーにより造粒して造粒物を得た。造粒物を目開き200μmの篩にて篩通しした後、成形圧力800kgf/cm2の下でφ26mm×高さ10mmに一軸加圧成形した。
Claims (2)
- 酸化亜鉛を主成分とし、下記式で表される酸化亜鉛の(100)面の配向度f(100)が0.40以上である、電圧非直線抵抗体。
f(100)=I(100)/(I(100)+I(002)+I(101))
但し、I(hkl)は(hkl)面のピーク強度(積分値)を表す。 - 下記式で表される酸化亜鉛の(002)面の配向度f(002)が0.10以下である、請求項1に記載の電圧非直線抵抗体。
f(002)=I(002)/(I(100)+I(002)+I(101))
但し、I(hkl)は(hkl)面のピーク強度(積分値)を表す。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014104641A JP6280441B2 (ja) | 2013-06-07 | 2014-05-20 | 電圧非直線抵抗体 |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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JP2013120403 | 2013-06-07 | ||
JP2013120403 | 2013-06-07 | ||
JP2014104641A JP6280441B2 (ja) | 2013-06-07 | 2014-05-20 | 電圧非直線抵抗体 |
Publications (2)
Publication Number | Publication Date |
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JP2015015455A JP2015015455A (ja) | 2015-01-22 |
JP6280441B2 true JP6280441B2 (ja) | 2018-02-14 |
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JP2014104641A Active JP6280441B2 (ja) | 2013-06-07 | 2014-05-20 | 電圧非直線抵抗体 |
Country Status (6)
Country | Link |
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US (1) | US9034217B2 (ja) |
EP (1) | EP2818451B1 (ja) |
JP (1) | JP6280441B2 (ja) |
KR (1) | KR102142027B1 (ja) |
CN (1) | CN104240876B (ja) |
TW (1) | TWI595515B (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US10020415B2 (en) * | 2016-01-12 | 2018-07-10 | National University Of Singapore | Device incorporating an oxide film and method of fabricating the same |
JP6827164B2 (ja) * | 2016-12-05 | 2021-02-10 | パナソニックIpマネジメント株式会社 | バリスタおよびその製造方法 |
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