Medium for magnetic sheet device or the like
专利汇可以提供Medium for magnetic sheet device or the like专利检索，专利查询，专利分析的服务。并且PURPOSE: To improve printing and magnetic characteristics by finishing a magnetic layer surface to a specific smoothness by clay-coating both sides of paper reinforced by a specific amount of fibers and then by forming a print surface on one side and a magnetic layer on the other after smoothing clay surfaces.
CONSTITUTION: With paper, a 0.2W20% filler for size stabilization, such as glass fiber and synthetic fiber, is mixed and both the surfaces of the obtained base are clay-coated and calendered to form a composite material 1. One surface of clay layer 1a is used as a print surface, and on the other surface 1a, magnetic coating layer 2 is formed. Next, magnetic layer 2 is finished by a heating pressure roller, etc., to a surface smoothness of 200W10,000sec (not a time and angle, but representation of smoothness) to obtain the total thickness of 50W700μ. Thus, the nerve of the sheet is obtained to realize clear print and excellent characteristics having neither noises nor dropouts.
COPYRIGHT: (C)1981,JPO&Japio，下面是Medium for magnetic sheet device or the like专利的具体信息内容。
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