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A platform for research: civil engineering, architecture and urbanism
FERRITE, FERRITE SUBSTRATE, AND THIN FILM INDUCTOR USING THE SAME
PROBLEM TO BE SOLVED: To provide ferrite high in resistance to a high temperature process, and having complex magnetic permeability suitable for a thin film inductor for treating electric signals with frequency of 1 to 25 MHz, a ferrite substrate and the thin film inductor using the same.SOLUTION: Ferrite contains a main component consisting of iron oxide of 45 to 49.5 mol% in terms of FeO, zinc oxide of 25 to 28 mol% in terms of ZnO, copper oxide of 0 to 1.0 mol% in terms of CuO and the balance nickel oxide, titanium oxide of 0.5 to 2 pts.wt. in terms of TiOand cobalt oxide of 0.35 to 5 pts.wt. in terms of CoO based on 100 pts.mass of the main component, and has average crystal particle diameter of 6 μm or more.SELECTED DRAWING: None
【課題】高温プロセスへの耐性が高く、かつ、１〜２５ＭＨｚの周波数の電気信号を処理する薄膜インダクタに好適な複素透磁率を有するフェライト、フェライト基板、及び、これを用いた薄膜インダクタを提供する。【解決手段】フェライトは、Ｆｅ２Ｏ３に換算して４５〜４９．５ｍｏｌ％の酸化鉄、ＺｎＯに換算して２５〜２８ｍｏｌ％の酸化亜鉛、ＣｕＯに換算して０〜１．０ｍｏｌ％の酸化銅、及び、残部の酸化ニッケルからなる主成分と、前記主成分の１００質量部に対して、ＴｉＯ２に換算して０．５〜２重量部の酸化チタン、及び、ＣｏＯに換算して０．３５〜５重量部の酸化コバルトを含み、平均結晶粒子径が６μｍ以上である。【選択図】なし
FERRITE, FERRITE SUBSTRATE, AND THIN FILM INDUCTOR USING THE SAME
PROBLEM TO BE SOLVED: To provide ferrite high in resistance to a high temperature process, and having complex magnetic permeability suitable for a thin film inductor for treating electric signals with frequency of 1 to 25 MHz, a ferrite substrate and the thin film inductor using the same.SOLUTION: Ferrite contains a main component consisting of iron oxide of 45 to 49.5 mol% in terms of FeO, zinc oxide of 25 to 28 mol% in terms of ZnO, copper oxide of 0 to 1.0 mol% in terms of CuO and the balance nickel oxide, titanium oxide of 0.5 to 2 pts.wt. in terms of TiOand cobalt oxide of 0.35 to 5 pts.wt. in terms of CoO based on 100 pts.mass of the main component, and has average crystal particle diameter of 6 μm or more.SELECTED DRAWING: None
【課題】高温プロセスへの耐性が高く、かつ、１〜２５ＭＨｚの周波数の電気信号を処理する薄膜インダクタに好適な複素透磁率を有するフェライト、フェライト基板、及び、これを用いた薄膜インダクタを提供する。【解決手段】フェライトは、Ｆｅ２Ｏ３に換算して４５〜４９．５ｍｏｌ％の酸化鉄、ＺｎＯに換算して２５〜２８ｍｏｌ％の酸化亜鉛、ＣｕＯに換算して０〜１．０ｍｏｌ％の酸化銅、及び、残部の酸化ニッケルからなる主成分と、前記主成分の１００質量部に対して、ＴｉＯ２に換算して０．５〜２重量部の酸化チタン、及び、ＣｏＯに換算して０．３５〜５重量部の酸化コバルトを含み、平均結晶粒子径が６μｍ以上である。【選択図】なし
FERRITE, FERRITE SUBSTRATE, AND THIN FILM INDUCTOR USING THE SAME
フェライト、フェライト基板、及び、これを用いた薄膜インダクタ
KAWAGUCHI YUKIO (author) / KUBOTA KOJI (author)
2018-10-04
Patent
Electronic Resource
Japanese
FERRITE, FERRITE SUBSTRATE, AND THIN FILM INDUCTOR USING THE SAME
| European Patent Office | 2018
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