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公开(公告)号：EP1453070B1
公开(公告)日：2010-03-31
申请号：EP04010340.0
申请日：1999-01-25
申请人： HITACHI METALS, LTD.
CPC分类号： C01G49/0054 , C01G49/0063 , C01G49/0072 , C01G51/006 , C01G53/006 , C01P2002/52 , C01P2004/45 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/42 , C04B35/2633 , C04B35/2683 , C04B35/6261 , C04B35/6262 , C04B35/62625 , C04B35/6263 , C04B35/63 , C04B2235/3213 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3262 , C04B2235/3274 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/5436 , C04B2235/5445 , C04B2235/6022 , C04B2235/72 , C04B2235/724 , C04B2235/726 , C04B2235/727 , C04B2235/767 , H01F1/11 , H01F1/113 , H01F7/0268 , H01F41/0273
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公开(公告)号：EP2244269B1
公开(公告)日：2015-05-13
申请号：EP10008097.7
申请日：2007-02-13
申请人： Hitachi Metals, Ltd.
CPC分类号： H01F7/02 , C01G49/0018 , C01G49/009 , C01G51/006 , C01P2002/52 , C01P2004/03 , C01P2004/20 , C01P2004/54 , C01P2004/62 , C01P2006/10 , C01P2006/42 , C01P2006/80 , C04B35/2633 , C04B35/2641 , C04B35/62204 , C04B35/6261 , C04B35/62675 , C04B35/6268 , C04B2235/3201 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3227 , C04B2235/3241 , C04B2235/3262 , C04B2235/3275 , C04B2235/3277 , C04B2235/3279 , C04B2235/3298 , C04B2235/3409 , C04B2235/3418 , C04B2235/444 , C04B2235/5436 , C04B2235/5445 , C04B2235/605 , C04B2235/656 , C04B2235/6585 , C04B2235/72 , C04B2235/767 , C04B2235/77 , C04B2235/785 , C04B2235/787 , C04B2235/788 , H01F1/11 , H01F41/0266 , H01F41/028
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3.发明公开Method for producing sintered ferrite magnet 有权Herstellungsmethodefüreinen gesinterten Ferritmagneten
公开(公告)号：EP2244269A1
公开(公告)日：2010-10-27
申请号：EP10008097.7
申请日：2007-02-13
申请人： Hitachi Metals, Ltd.
CPC分类号： H01F7/02 , C01G49/0018 , C01G49/009 , C01G51/006 , C01P2002/52 , C01P2004/03 , C01P2004/20 , C01P2004/54 , C01P2004/62 , C01P2006/10 , C01P2006/42 , C01P2006/80 , C04B35/2633 , C04B35/2641 , C04B35/62204 , C04B35/6261 , C04B35/62675 , C04B35/6268 , C04B2235/3201 , C04B2235/3206 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3227 , C04B2235/3241 , C04B2235/3262 , C04B2235/3275 , C04B2235/3277 , C04B2235/3279 , C04B2235/3298 , C04B2235/3409 , C04B2235/3418 , C04B2235/444 , C04B2235/5436 , C04B2235/5445 , C04B2235/605 , C04B2235/656 , C04B2235/6585 , C04B2235/72 , C04B2235/767 , C04B2235/77 , C04B2235/785 , C04B2235/787 , C04B2235/788 , H01F1/11 , H01F41/0266 , H01F41/028
摘要： A method for producing a sintered ferrite magnet having an M-type ferrite structure, comprising Ca, an R element that is at least one of rare earth elements and indispensably includes La, Ba, Fe and Co as indispensable elements, and having a composition represented by the formula: Ca 1-x-y R x Ba y Fe 2n-z CO z , wherein (1-x-y), x, y, z and n represent the contents of Ca, the R element, Ba and Co, and a molar ratio, meeting 0.3 ≤ 1-x-y ≤ 0.65, 0.2 ≤ x ≤ 0.65, 0.001 ≤ 0.2, 0.03 ≤ z ≤ 0.65, 4 ≤ n ≤ 7, and 1-x-y > y; a bonded magnet comprising ferrite powder having the above composition and a binder, and a magnet roll, at least one magnetic pole portion of which is made of the above bonded magnet.
摘要翻译： 一种具有M型铁氧体结构的烧结铁氧体磁体的制造方法，包括Ca，作为稀土元素中的至少一种的R元素，不可缺少地包含La，Ba，Fe和Co作为不可缺少的元素，并且具有代表性的组成 其中（1-xy），x，y，z和n表示Ca，R元素，Ba和Co的含量，和摩尔数 比例，满足0.3‰¤1-xy‰0.65，0.2‰¤x‰0.65，0.001‰¤0.2，0.03‰¤‰0.65，4‰¤n‰7和1-xy> y; 包括具有上述组成的铁氧体粉末和粘合剂的粘结磁体和磁性辊，至少一个磁极部分由上述粘结磁体制成。
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4.发明公开Bonded magnet, magnet roll, ferrite powder used therefor and method for producing same 有权Verbundmagnet，Magnetspule，Ferritpulverdafürund Herstellungsverfahren
公开(公告)号：EP1453070A3
公开(公告)日：2006-05-10
申请号：EP04010340.0
申请日：1999-01-25
申请人： HITACHI METALS, LTD.
CPC分类号： C01G49/0054 , C01G49/0063 , C01G49/0072 , C01G51/006 , C01G53/006 , C01P2002/52 , C01P2004/45 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/42 , C04B35/2633 , C04B35/2683 , C04B35/6261 , C04B35/6262 , C04B35/62625 , C04B35/6263 , C04B35/63 , C04B2235/3213 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3262 , C04B2235/3274 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/5436 , C04B2235/5445 , C04B2235/6022 , C04B2235/72 , C04B2235/724 , C04B2235/726 , C04B2235/727 , C04B2235/767 , H01F1/11 , H01F1/113 , H01F7/0268 , H01F41/0273
摘要： A ferrite powder for bonded magnets having a magnetoplumbite-type crystal structure, said ferrite powder for bonded magnets having a basic composition represented by the following general formula (A 1-x R x )O•n[(Fe 1-y M y ) 2 O 3 ] by atomic ratio, wherein A is Sr and/or Ba; R is at least one of the rare earth elements including Y, La being indispensable; M is at least one of the elements Co, Mn, Ni and Zn; and x, y and n are numbers meeting the following conditions 0.01 ≤ x ≤ 0.4, 0.005 ≤ y ≤ 0.04, and 5 ≤ n ≤ 6. Said powder is produced by preparing a ferrite composition having said basic composition by calcination, pulverising or milling the resultant ferrite composition, and heat-treating the pulverised ferrite powder.
摘要翻译： 一种用于具有磁铅石型晶体结构的粘结磁体的铁氧体粉末，所述用于粘结磁体的铁氧体粉末具有由以下通式（A 1-x R x）表示的基本组成：[Fe 1-y M y ）2 O 3]，其中A是Sr和/或Ba; R是包括Y，La中的至少一种稀土元素是不可缺少的; M是元素Co，Mn，Ni和Zn中的至少一种; x，y，n为满足下列条件的数值：0.01‰¤‰¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤ 通过煅烧，粉碎或研磨所得的铁素体组合物，并对粉碎的铁素体粉末进行热处理。
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公开(公告)号：EP1684315A3
公开(公告)日：2009-05-27
申请号：EP06005339.4
申请日：1998-12-25
申请人： HITACHI METALS, LTD.
发明人： Takami, Takashi , Kubota, Yutaka , Ogata, Yasunobu
CPC分类号： C04B35/2641 , C01G49/0018 , C01P2006/42 , C04B35/2633 , C04B35/62685 , C04B35/63 , C04B35/6303 , C04B35/632 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3241 , C04B2235/3262 , C04B2235/3272 , C04B2235/3274 , C04B2235/3275 , C04B2235/3277 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3418 , C04B2235/5436 , C04B2235/605 , C04B2235/656 , C04B2235/767 , C04B2235/85 , C04B2235/9615 , H01F1/086 , H01F1/11 , H01F41/0273
摘要： A ferrite magnet having a basic composition represented by the following general formula: (A 1-x R x )O·n[(Fe 1-y M y ) 2 O 3 ] by atomic ratio, wherein A is Sr and/or Ba, R is at least one of rare earth elements including Y, M is at least one element selected from the group consisting of Co, Mn, Ni and Zn, and x, y and n are numbers meeting the conditions of 0.01≤x≤0.4, [x/(2.6n)]≤y≤[x/(1.6n)], and 5≤n≤6, and substantially having a magnetoplumbite-type crystal structure, is obtained by uniformly mixing a compound of Sr and/or Ba with an iron compound; calcining the resultant uniform mixture; adding a compound of the R element and/or the M element to the resultant calcined powder at a pulverization step thereof; and sintering the resultant mixture. The compound of the R element and/or the M element may be added at a percentage of more than 0 atomic % and 80 atomic % or less, on an element basis, at a mixing step before calcination.
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公开(公告)号：EP1684315A2
公开(公告)日：2006-07-26
申请号：EP06005339.4
申请日：1998-12-25
申请人： HITACHI METALS, LTD.
发明人： Takami, Takashi , Kubota, Yutaka , Ogata, Yasunobu
CPC分类号： C04B35/2641 , C01G49/0018 , C01P2006/42 , C04B35/2633 , C04B35/62685 , C04B35/63 , C04B35/6303 , C04B35/632 , C04B2235/3208 , C04B2235/3213 , C04B2235/3215 , C04B2235/3217 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3241 , C04B2235/3262 , C04B2235/3272 , C04B2235/3274 , C04B2235/3275 , C04B2235/3277 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/3418 , C04B2235/5436 , C04B2235/605 , C04B2235/656 , C04B2235/767 , C04B2235/85 , C04B2235/9615 , H01F1/086 , H01F1/11 , H01F41/0273
摘要： A ferrite magnet having a basic composition represented by the following general formula: (A 1-x R x )O·n[(Fe 1-y M y ) 2 O 3 ] by atomic ratio, wherein A is Sr and/or Ba, R is at least one of rare earth elements including Y, M is at least one element selected from the group consisting of Co, Mn, Ni and Zn, and x, y and n are numbers meeting the conditions of 0.01≤x≤0.4, [x/(2.6n)]≤y≤[x/(1.6n)], and 5≤n≤6, and substantially having a magnetoplumbite-type crystal structure, is obtained by uniformly mixing a compound of Sr and/or Ba with an iron compound; calcining the resultant uniform mixture; adding a compound of the R element and/or the M element to the resultant calcined powder at a pulverization step thereof; and sintering the resultant mixture. The compound of the R element and/or the M element may be added at a percentage of more than 0 atomic % and 80 atomic % or less, on an element basis, at a mixing step before calcination.
摘要翻译： 具有由以下通式表示的碱性组成的铁氧体磁体：（A 1-x R x）O·n [（Fe 1-y M y）2 O 3]的原子比，其中A是Sr和/或Ba R为包括Y的稀土元素中的至少一种，M为选自Co，Mn，Ni和Zn中的至少一种元素，x，y和n为满足条件为0.01‰×‰的数 ¤0.4，[x /（2.6n）]‰¤y‰[x /（1.6n）]和5‰‰‰¤6，基本上具有磁铅石型晶体结构，通过均匀混合 Sr和/或Ba与铁化合物的化合物; 煅烧所得的均匀混合物; 在其粉碎步骤中向所得煅烧粉末中加入R元素和/或M元素的化合物; 并烧结所得混合物。 R元素和/或M元素的化合物可以在煅烧之前的混合步骤中以元素为基准以大于0原子％和80原子％或更少的百分比加入。
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7.发明公开Bonded magnet, magnet roll, ferrite powder used therefor and method for producing same 有权Verbundmagnet，Herstellungsverfahrendafürund Magnetrolle
公开(公告)号：EP1453070A2
公开(公告)日：2004-09-01
申请号：EP04010340.0
申请日：1999-01-25
申请人： Hitachi Metals, Ltd.
CPC分类号： C01G49/0054 , C01G49/0063 , C01G49/0072 , C01G51/006 , C01G53/006 , C01P2002/52 , C01P2004/45 , C01P2004/51 , C01P2004/61 , C01P2004/62 , C01P2006/10 , C01P2006/42 , C04B35/2633 , C04B35/2683 , C04B35/6261 , C04B35/6262 , C04B35/62625 , C04B35/6263 , C04B35/63 , C04B2235/3213 , C04B2235/3224 , C04B2235/3227 , C04B2235/3229 , C04B2235/3232 , C04B2235/3239 , C04B2235/3262 , C04B2235/3274 , C04B2235/3275 , C04B2235/3279 , C04B2235/3281 , C04B2235/3284 , C04B2235/5436 , C04B2235/5445 , C04B2235/6022 , C04B2235/72 , C04B2235/724 , C04B2235/726 , C04B2235/727 , C04B2235/767 , H01F1/11 , H01F1/113 , H01F7/0268 , H01F41/0273
摘要： A ferrite powder for bonded magnets having a magnetoplumbite-type crystal structure, said ferrite powder for bonded magnets having a basic composition represented by the following general formula (A 1-x R x )O· n[(Fe 1-y M y ) 2 O 3 ] by atomic ratio, wherein A is Sr and/or Ba; R is at least one of the rare earth elements including Y, La being indispensable; M is at least one of the elements Co, Mn, Ni and Zn; and x, y and n are numbers meeting the following conditions 0.01 ≤ x ≤ 0.4, 0.005 ≤ y ≤ 0.04, and 5 ≤ n ≤ 6 is produced by preparing a ferrite composition having said basic composition by calcination, pulverising or milling the resultant ferrite composition, and heat-treating the pulverised ferrite powder.
摘要翻译： 一种用于具有磁铅石型晶体结构的粘结磁体的铁氧体粉末，所述用于粘结磁体的铁氧体粉末具有由以下通式（A 1-x R x）表示的基本组成：[Fe 1-y M y ）2 O 3]，其中A是Sr和/或Ba; R是包括Y，La中的至少一种稀土元素是不可缺少的; M是元素Co，Mn，Ni和Zn中的至少一种; x，y，n为满足下列条件的数值：0.01‰¤‰¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤¤ 通过煅烧，粉碎或研磨所得的铁素体组合物，并对粉碎的铁素体粉末进行热处理。
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