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CN105765499A 笔输入装置用的保护玻璃及其制造方法 无效 - 撤回

笔输入装置用的保护玻璃及其制造方法
摘要：
一种保护玻璃，其是笔输入装置用的保护玻璃，其特征在于，雾度值小于1％，马氏硬度在2000N/mm2～4000N/mm2的范围内，使承载有150gf(1.47N)的载荷的移动构件在室温下以10mm/秒的速度在该保护玻璃的表面沿一个方向移动时，在动摩擦力Fk(N)与时间的关系以直线进行近似的区域中的动摩擦系数μk为0.14以上且0.50以下，上述动摩擦力Fk(N)的标准偏差σ(N)为0.03以下，上述移动构件是具有洛氏硬度为M90的聚缩醛类树脂制的笔尖且该笔尖具有700μm的曲率半径的笔。
摘要（英）：

A cover glass for a pen input device, said cover glass being characterized in that: the haze value is less than 1%; the Martens hardness is in the range of 2,000 N/mm2 to 4,000 N/mm2; when a moving member incurring a load of 150 gf (1.47 N) is moved in one direction with a speed of 10 mm/sec on the surface of the cover glass at room temperature, the coefficient of dynamic friction ([mu]k) is 0.14 - 0.50 in a region where the relationship between the dynamic friction force (Fk) (N) and time is approximated by a straight line, and the standard deviation ([sigma]) (N) of the dynamic friction force (Fk) (N) is 0.03 or less; and the moving member is a pen having a polyacetal resin pen tip with a Rockwell hardness of M90, with the pen tip having a radius of curvature of 700 [mu]m.

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