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    • 7. 发明授权
    • Flexible printing base
    • 柔性印刷基地
    • US4916009A
    • 1990-04-10
    • US224612
    • 1988-07-27
    • Atsushi HinoYuzuru Noda
    • Atsushi HinoYuzuru Noda
    • B32B15/088B32B15/08C08G73/10H01L23/495H05K1/00H05K1/03H05K3/38
    • C08G73/1042B32B15/08H01L23/49586H05K1/0346H01L2924/0002H05K1/0393Y10T428/266Y10T428/269Y10T428/31681Y10T428/31721
    • A flexible printing base comprising a metal foil having formed thereon a polyimide layer is disclosed, wherein said metal foil has a centerline average roughness of not more than 0.7 .mu.m, and said polyimide mainly comprises a repeating unit represented by formula (I): ##STR1## and a repeating unit represented by formula (II): ##STR2## wherein l:m=x:y, wherein x represents a number not less than 45 and less than 70; y represents a number more than 30 and not more than 55; and x+y=100, said polyimide layer is formed by applying a solution of a polyamic acid mainly comprising a repeating unit represented by formula (III): ##STR3## and a repeating unit represented by formula (IV): ##STR4## wherein l and m are as defined above, in N,N'-dimethylformamide and/or N,N'-dimethylacetamide on a metal foil, followed by imidation. The flexible printing base is quite free from curling either in the state of a composite laminate but also in the state where the metal foil has been removed by etching.
    • 公开了一种柔性印刷基底,其包括在其上形成有聚酰亚胺层的金属箔,其中所述金属箔的中心线平均粗糙度不大于0.7μm,所述聚酰亚胺主要包含由式(I)表示的重复单元: (I)和式(II)表示的重复单元:其中l:m = x:y,其中x表示不小于45且小于70的数; y表示多于30且不超过55的数字; 并且x + y = 100,所述聚酰亚胺层通过施加主要包含由式(III)表示的重复单元的聚酰胺酸的溶液形成:(III)和由式(IV)表示的重复单元: (IV)其中l和m如上定义,在金属箔上的N,N'-二甲基甲酰胺和/或N,N'-二甲基乙酰胺中,随后进行酰亚胺化。 柔性印刷基材在复合层压板的状态下也是完全没有卷曲,而且在通过蚀刻去除金属箔的状态下也是如此。
    • 9. 发明申请
    • OPTICAL FILM CUTTING METHOD AND OPTICAL FILM
    • 光学薄膜切割方法和光学薄膜
    • US20100028606A1
    • 2010-02-04
    • US12442219
    • 2007-09-11
    • Kanji NishidaAtsushi HinoTakaichi AmanoKazuo Kitada
    • Kanji NishidaAtsushi HinoTakaichi AmanoKazuo Kitada
    • B32B3/00B29D11/00
    • B23K26/0732B23K26/38B23K26/40B23K2103/172G02B5/3033Y10T428/24479
    • This invention relates to an optical film cutting method, which includes: a laser beam generation step of performing a waveform shaping of a laser beam to generate a laser beam having a rectangular waveform, and a cutting step of irradiating an optical film with the laser beam obtained by the laser beam generation step and having a rectangular waveform to thereby cut the optical film; as well as to an optical film that is cut by the cutting method and having a size of a raised part generated on a cutting surface thereof of 30 μm or less. According to the optical film cutting method of this invention, it is possible to provide an optical film cutting method for cutting an optical film such as a polarizing film by not using a gaussian beam but using a laser beam of which a waveform is shaped into a rectangular waveform, which is capable of maintaining a raised part size as small as possible in a cutting surface of the optical film and preventing generation of bonding defect and optical defect when the optical film is incorporated into various optical panels.
    • 本发明涉及一种光学膜切割方法,该方法包括:激光束产生步骤,执行激光束的波形整形以产生具有矩形波形的激光束;以及切割步骤,用激光束照射光学膜 通过激光束产生步骤获得并具有矩形波形从而切割光学膜; 以及通过切割方法切割并且具有在其切割表面上产生的凸起部分的尺寸为30μm或更小的光学膜。 根据本发明的光学膜切割方法,可以提供一种用于通过不使用高斯光束来切割诸如偏振膜的光学膜的光学膜切割方法,但是使用其波形被形成为 矩形波形,其能够在光学膜的切割表面中保持尽可能小的凸起部分尺寸,并且当将光学膜结合到各种光学面板中时防止粘合缺陷和光学缺陷的产生。