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1.发明公开Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material 失效单晶锰锌ferroferrite具有从生成磁头这种材料具有高Zn含量和。
公开(公告)号：EP0350101A1
公开(公告)日：1990-01-10
申请号：EP89201713.8
申请日：1989-06-28
CPC分类号： G11B5/193 , C30B11/00 , C30B29/26 , G11B5/133 , Y10S428/90 , Y10T428/115
摘要： A monocrystalline MnZn-ferroferrite material for use is a magentic head is described. The material corresponds to the formula
Mn a Zn b Fe c II Fe₂ III O₄, wherein
0.25
0.50
0.02
a + b + c = 1.
The magnetostriction constants of this material are particularly small.摘要翻译： 中使用的单晶锰锌铁氧体的铁磁材料是magentic头进行说明。 该材料对应于式MnaZnbFec
的Fe2 O4，worin 12:25 <α<0:48; 0:50 -
公开(公告)号：EP0327147B1
公开(公告)日：1993-08-04
申请号：EP89200112.4
申请日：1989-01-19
发明人： Van Hoof, Leonardus Augustinus Hubertus , Mateika, Dieter , Laudan, Horst , Pistorius, Johannes Adrianus , Haisma, Jan
CPC分类号： C30B15/00 , C30B29/08 , Y10S117/906
摘要： A descritption is given of the composition and preparation of single phase crystals having a garnet structure and a lattice constant smaller than 11.9 ANGSTROM . The garnets correspond to the formula {Mn3-a-bMgaMb}[Al2-cM min c](Ge3-d-eSidM sec e)O12 (I) wherein 0.0
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3.发明授权Monocrystalline MnZn-ferroferrite material having a high content of Zn, and a magnetic head manufactured from said material 失效具有高含量ZN的单晶MNZN-FERROFITEITE材料以及从该材料制造的磁头
公开(公告)号：EP0350101B1
公开(公告)日：1993-04-28
申请号：EP89201713.8
申请日：1989-06-28
CPC分类号： G11B5/193 , C30B11/00 , C30B29/26 , G11B5/133 , Y10S428/90 , Y10T428/115
摘要： A monocrystalline MnZn-ferroferrite material for use is a magentic head is described. The material corresponds to the formula MnaZnbFec Fe2 O4, wherein 0.25
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4.发明公开
公开(公告)号：EP0327147A1
公开(公告)日：1989-08-09
申请号：EP89200112.4
申请日：1989-01-19
发明人： Van Hoof, Leonardus Augustinus Hubertus , Mateika, Dieter , Laudan, Horst , Pistorius, Johannes Adrianus , Haisma, Jan
CPC分类号： C30B15/00 , C30B29/08 , Y10S117/906
摘要： A descritption is given of the composition and preparation of single phase crystals having a garnet structure and a lattice constant smaller than 11.9 Å. The garnets correspond to the formula
{Mn 3-a-b Mg a M b }[Al 2-c M′ c ](Ge 3-d-e Si d M˝ e )O₁₂ (I)
wherein
0.0 ≦ a ≦ 0.4
0.0 ≦ b ≦ 0.4
0.0 ≦ c ≦ 0.2
0.0 ≦ d ≦ 0.5
0.0 ≦ e ≦ 0.6
0.2 ≦ a+d ≦ 0.8.摘要翻译： 给出了具有石榴石结构和晶格常数小于11.9安培的单相晶体的组成和制备的描述。 石榴石对应于式{Mn3-a-bMgaMb} [Al2-cM min c]（Ge3-d-eSidM sec e）O12（I）其中0.0
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