发明名称 METHOD FOR MANUFACTURING MAGNETIC RECORDING MEDIUM WHILE PREVENTING DAMAGE TO SAME CAUSED BY SCRAPING BY COATING HEAD
摘要 A method for manufacturing a magnetic recording medium in which shavings are not generated when an easily bent thin web comes into contact with contact members of a coating head, a conveying system, rolls in calendaring treatment, etc., in which, during coating, a coating having an even coating thickness and good surface properties is formed, and in which a coating liquid does not spread in such a manner as to cause defects such as coating unevenness and the like. In accordance with the inventive method, to manufacture a magnetic recording medium in which a coating liquid is applied onto a surface of a continuously running flexible support except widthwise edge portions of the support while a slot top end of a coating head is pressed against the surface of the flexible support, a material selected from a polymer film, a carbon dispersing liquid, a fatty-acid lubricant, and a fluorine-group lubricant is applied onto at least portions of the flexible support corresponding to the edge portions. The material applied to the edge portions of the flexible support is dried to thereby form a coating at the edge portions of the flexible support. The coating liquid is then applied onto the surface of the flexible support.
申请公布号 US5118525(A) 申请公布日期 1992.06.02
申请号 US19900589573 申请日期 1990.09.28
申请人 FUJI PHOTO FILM CO., LTD. 发明人 CHINO, NAOYOSHI;UEHA, HIROMU
分类号 G11B5/84;B05C5/02;B05C9/06;B05D1/26;G11B5/855 主分类号 G11B5/84
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