发明名称 MANUFACTURING PROCESS OF FERROMAGNETIC GRIT
摘要 PURPOSE:The manufacturing process of the magnetic recording ferromagnetic iron oxide which provides the high resistive magnetism, stability to the pressure and the heating, transfer characteristic, the less periodic variation and distribution of resistive magnetism as well as the improved SP ratio when it is made into the magnetic tape and erasing characteristic.
申请公布号 JPS5217696(A) 申请公布日期 1977.02.09
申请号 JP19750093828 申请日期 1975.08.01
申请人 FUJI PHOTO FILM CO LTD 发明人 IDESAWA SHINICHIROU;SASAZAWA KOUJI;KITAMOTO TATSUJI;YAMAZAKI NOBUO
分类号 C01G49/00;C09D5/23;C09D7/12;G11B5/706;H01F1/11 主分类号 C01G49/00
代理机构 代理人
主权项
地址
您可能感兴趣的专利