VERFAHREN ZUR HERSTELLUNG VON MAGNETKOPFKERNTEILEN BEI EINER MEHRFACHKOPFANORDNUNG

申请公布号：DE1524777(B2)

申请号：DE1967J033173

申请日期：1967.03.09

申请公布日期：1977.03.31

分类号：G11B5/127;G11B5/133;G11B5/265;G11B5/29;(IPC1-7):G11B5/42

主分类号：G11B5/127

摘要：1,144,288. Laminates. INTERNATIONAL BUSINESS MACHINES CORP. 9 March, 1967 [11 March, 1966], No. 11045/67. Heading B5N. [Also in Divisions G 5 and H1] A laminated structure comprises a plurality of layers of particulate magnetic material with a binder, separated by layers of particulate non- magnetic material with a binder, and sintered to form a unitary structure. Each layer may be formed separately by mixing the particulate material with the binder and a solvent, spreading it on a base, and peeling it off after evaporation of the solvent. The layers are then stacked and sintered at 1000-1500‹ C. The materials used may be a magnetic ferrite, and Pd or a non-magnetic ferrite, in a polyvinyl butyral resin binder. The structure may be cut prior to sintering to form toroids, or shapes used in making recording heads.

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SILENT RATCHET AND METHOD FOR PRODUCING SAME

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