公开(公告)号：US4165232A

公开(公告)日：1979-08-21

申请号：US942656

申请日：1978-09-15

申请人： Christof Jaeckh ,  Werner Steck ,  Rudolf Brodt ,  Manfred Ohlinger ,  Werner Loeser ,  Eberhard Koester

发明人： Christof Jaeckh ,  Werner Steck ,  Rudolf Brodt ,  Manfred Ohlinger ,  Werner Loeser ,  Eberhard Koester

IPC分类号： H01F1/06 ,  C22C1/04

CPC分类号： H01F1/065 ,  H01F1/061 ,  Y10S428/90

摘要： A process for the manufacture of acicular ferromagnetic metal particles which essentially consist of iron and carry, on their surface, from 0.02 to 0.6% by weight of boron in the form of a borate, by reducing an acicular iron oxide with a gaseous reducing agent at from 250.degree. to 500.degree. C., wherein a compound selected from the group comprising boron oxyacids and their inorganic salts is precipitated on the said iron oxide before reduction.

摘要翻译： 制造针状铁磁性金属颗粒的方法，其主要由铁组成，并在其表面上携带0.02至0.6重量％硼酸盐形式的硼，通过用气态还原剂还原针状氧化铁 从250℃至500℃，其中在还原之前将选自含硼酸及其无机盐的化合物沉淀在所述氧化铁上。

公开(公告)号：US4378240A

公开(公告)日：1983-03-29

申请号：US268108

申请日：1981-05-28

申请人： Hansjoerg Siegle ,  Hans H. Reich ,  Horst Autzen ,  Werner Steck ,  Werner Loeser ,  Eckhard Hetzel ,  Manfred Ohlinger

发明人： Hansjoerg Siegle ,  Hans H. Reich ,  Horst Autzen ,  Werner Steck ,  Werner Loeser ,  Eckhard Hetzel ,  Manfred Ohlinger

IPC分类号： B01J8/38 ,  B22F9/22 ,  H01F1/06 ,  C22B1/10

CPC分类号： B22F9/22 ,  H01F1/065

摘要： A process for the preparation of acicular ferromagnetic metal particles, consisting essentially of iron, by reducing acicular iron oxides and/or iron oxide hydroxides, which are either pure or are modified with conventional foreign metal ions, by means of a gaseous reducing agent in a fluidized bed furnace in which a stirrer is provided immediately above the fluidizing grid.

摘要翻译： 一种用于制备基本上由铁组成的针状铁磁金属颗粒的方法，通过还原针状铁氧化物和/或氧化铁氢氧化物，它们是纯的或用常规外来金属离子改性的，通过在 流化床炉，其中在流化栅格的正上方设置有搅拌器。

公开(公告)号：US4155748A

公开(公告)日：1979-05-22

申请号：US837936

申请日：1977-09-29

申请人： Werner Steck ,  Hans H. Schneehage ,  Christof Jaeckh ,  Werner Huebner ,  Manfred Ohlinger ,  Werner Loeser

发明人： Werner Steck ,  Hans H. Schneehage ,  Christof Jaeckh ,  Werner Huebner ,  Manfred Ohlinger ,  Werner Loeser

IPC分类号： C21B15/02 ,  B22F1/00 ,  B22F9/22 ,  C22C33/02 ,  H01F1/06 ,  C22C1/04

CPC分类号： C22C33/0235 ,  B22F1/0088 ,  B22F9/22 ,  H01F1/061 ,  H01F1/065 ,  Y10S428/90

摘要： A method of preparing acicular ferromagnetic metal particles consisting essentially of iron and suitable for magnetic recording, said particles being modified at the surface with 0.02 to 0.2% by weight of carbon and with 0.5 to 1.9% by weight of phosphorus as phosphate, by reducing a finely divided acicular iron compound, wherein there are deposited on said iron compound, prior to reduction, (a) a hydrolysis-resistant substance selected from the group consisting of oxyacids of phosphorus, their esters and inorganic salts, and (b) a compound selected from the group consisting of aliphatic monobasic, dibasic and tribasic carboxylic acids of from 1 to 6 carbon atoms.

摘要翻译： 制备基本上由铁组成并适于磁记录的针状铁磁金属颗粒的方法，所述颗粒在表面用0.02至0.2重量％的碳和0.5-1.9重量％的磷作为磷酸盐进行改性，通过将 精细分开的针状铁化合物，其中在还原前沉积在所述铁化合物上，（a）选自磷酸的含氧酸，其酯和无机盐的水解抗性物质，和（b）选择的化合物 来自由1至6个碳原子的脂肪族单碱基，二元羧酸和三元羧酸组成的组。

公开(公告)号：US4128672A

公开(公告)日：1978-12-05

申请号：US625659

申请日：1975-10-24

申请人： Gerd Wunsch ,  Paul Deigner ,  Roland Falk ,  Karl Mahler ,  Werner Loeser ,  Friedrich Domas ,  Peter Felleisen ,  Werner Steck

发明人： Gerd Wunsch ,  Paul Deigner ,  Roland Falk ,  Karl Mahler ,  Werner Loeser ,  Friedrich Domas ,  Peter Felleisen ,  Werner Steck

IPC分类号： C23C28/00 ,  C23C30/00 ,  G11B5/708 ,  G11B5/84 ,  G11B5/858 ,  H01F41/14 ,  H01F10/00

CPC分类号： G11B5/84 ,  G11B5/7085 ,  H01F41/14

摘要： A process for the manufacture of rigid magnetic recording media by depositing a cobalt-containing ferromagnetic metal layer on a non-magnetic metallic base disc provided with a cured layer of binder which does not dissolve or swell in organic solvents and contains non-magnetic pigments, and which has been activated, before deposition of the ferromagnetic layer, by treatment with a solution of a palladium (O) complex in an organic solvent, followed by decomposition of this complex, to prepare it to receive the ferromagnetic metal layer which is produced by electroless deposition.

摘要翻译： 一种用于制造刚性磁记录介质的方法，该方法是在一个非磁性金属基盘上沉积一种含钴铁磁性金属层，该非磁性金属基盘具有不溶于或在有机溶剂中溶解或溶胀并含有非磁性颜料的固化粘结层， 并且在沉积铁磁层之前，通过用钯（O）络合物在有机溶剂中的溶液处理，然后分解该络合物，使其被激活，以使其接收由以下产生的铁磁金属层：由 无电沉积

公开(公告)号：US4835909A

公开(公告)日：1989-06-06

申请号：US82226

申请日：1987-08-06

申请人： Juergen Richter ,  Werner Grau ,  Gerd Maurer ,  Friedrich Domas ,  Werner Loeser ,  Rainer Bender ,  Axel-Ruediger Schulze ,  Kurt Doerr

发明人： Juergen Richter ,  Werner Grau ,  Gerd Maurer ,  Friedrich Domas ,  Werner Loeser ,  Rainer Bender ,  Axel-Ruediger Schulze ,  Kurt Doerr

IPC分类号： G11B5/73 ,  G11B5/84

CPC分类号： G11B5/84 ,  G11B5/7305

摘要： Disk-shaped nickel-plated aluminum substrates which are used as bases in the production of magnetic recording disks having a magnetizable metallic layer are surface treated by polishing and texturing.

摘要翻译： 在制造具有可磁化金属层的磁记录盘中用作基底的盘状镀镍铝基板通过抛光和纹理进行表面处理。