公开(公告)号：US4416709A

公开(公告)日：1983-11-22

申请号：US300921

申请日：1981-09-10

申请人： Kazuo Ohya ,  Hiroki Fujishima ,  Norio Ishijima ,  Hiroyoshi Itoga ,  Yasuhiko Kominami

发明人： Kazuo Ohya ,  Hiroki Fujishima ,  Norio Ishijima ,  Hiroyoshi Itoga ,  Yasuhiko Kominami

IPC分类号： C22C45/02 ,  C22C45/04 ,  G11B5/147 ,  H01F1/153 ,  C22C19/00

CPC分类号： G11B5/147 ,  C22C45/04 ,  H01F1/15316

摘要： The present invention relates to an amorphous magnetic alloy material suited for use as a core material of a magnetic head.When the magnetic head is subjected to a slide contact with a magnetic tape over a long period of time, a film of oxide and the like is formed on the surface of an amorphous magnetic alloy material due to chemically corrosive media frequently contained in the magnetic coating layer of the magnetic tape or due to carbon dioxide, water and the like contained in the air.The amorphous magnetic alloy material of the present invention is highly corrosion resistant due to the combination of chromium and platinum family element(s), and, the inconveniences in a magnetic head, due to chemical wear, can be prevented even where the magnetic head is operated or stored in a considerably severe condition.

摘要翻译： 本发明涉及适合用作磁头的芯材的无定形磁性合金材料。 当磁头经受长时间的磁带滑动接触时，由于磁性涂层中经常包含的化学腐蚀介质，在非晶磁性合金材料的表面上形成氧化物膜等 磁带的层或由于包含在空气中的二氧化碳，水等。 本发明的非晶磁性合金材料由于铬和铂族元素的组合而具有高度的耐腐蚀性，并且即使在磁头是磁头的情况下也可以防止由于化学磨损引起的磁头的不便 在相当严酷的条件下操作或储存。