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前言 彩色显象管内的荫罩起选色的作用,为保证彩色图象不失真,清晰,要求制成的荫罩孔边缘平直、光滑、荫罩孔的大小均匀,作为原材料的荫罩钢带也就必须具有良好的光刻腐蚀性能,足够的强度,低的延伸率,并且钢带的平整度好,表面质量好,厚度公差小等。因此,对钢带的成分,组织,非金属夹杂物及制造工艺都有严格的要求。日本生产的荫罩钢带按其含碳量可分为三类:普通含碳量(C≤0.10％),低含碳量(C≤0.03％)及超低碳(C≤0.01％)萌罩钢带。我们根据材料的含碳量及用途对普通含碳量
Preface The color picture tube shadow mask from the role of color selection, in order to ensure that color images without distortion, clear, made of mask hole edge straight, smooth, shadow mask hole size uniform, as the raw material of the mask steel The tape must also have good lithographic corrosion properties, adequate strength, low elongation, and good strip flatness, good surface quality, and small thickness tolerances. Therefore, the composition of the strip, tissue, non-metallic inclusions and manufacturing processes have strict requirements. Japan’s production of shadow mask steel strip according to its carbon content can be divided into three categories: ordinary carbon content (C ≤ 0.10%), low carbon content (C ≤ 0.03%) and ultra-low carbon (C ≤ 0.01%) Moe Cover strip. We based on the carbon content of materials and uses of ordinary carbon content