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    • 90. 发明授权
    • Surface protection sheet for laser material processing
    • 激光加工表面保护板
    • US09089930B2
    • 2015-07-28
    • US12888024
    • 2010-09-22
    • Ikkou HanakiKeiji HayashiKazuhito Okumura
    • Ikkou HanakiKeiji HayashiKazuhito Okumura
    • B23K26/00B23K26/38B23K26/18B23K26/30B23K37/06C09J7/02
    • B23K26/38B23K26/18B23K26/706B23K37/06B23K2103/05B23K2103/10C09J7/241C09J7/255Y10T428/266
    • The object of the present invention is provision of a surface protection sheet for laser processing to be applied to the surface on the opposite side of the laser beam irradiation face, which can protect the surface of an application object, and does not allow easy development of a dross during laser cutting processing. According to the present invention, a surface protection sheet 1 for laser processing to be applied to the surface on the opposite side of the laser beam irradiation face 2a of a workpiece 2 during a cutting process by irradiation of a laser beam 6 on the workpiece 2 is provided, which contains a substrate layer and an adhesive layer formed on one surface of the substrate layer, wherein the substrate layer is made of a resin material having a melt viscosity measured based on JIS K7199 (1999) at 290° C. of not more than 200 Pa·s, and has a thickness of 0.01-0.12 mm.
    • 本发明的目的是提供一种用于激光加工的表面保护片,其被施加到激光束照射面的相反侧的表面上,该表面保护片可以保护施加对象的表面,并且不允许容易地形成 激光切割加工期间的浮渣。 根据本发明,通过在工件2上照射激光束6,在切割过程中将用于激光加工的表面保护片1施加到工件2的激光束照射面2a的相反侧的表面上 其特征在于,在所述基板层的一个面上形成有基材层和粘合剂层,其特征在于,基材层由290℃以下的基于JIS K7199(1999)测定的熔融粘度的树脂材料制成 大于200Pa·s,厚度为0.01-0.12mm。