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    • 1. 发明申请
    • MANUFACTURING METHOD OF OPTICAL WAVEGUIDE DEVICE AND OPTICAL WAVEGUIDE DEVICE OBTAINED THEREBY
    • 光波导器件及其获得的光波导器件的制造方法
    • US20100067849A1
    • 2010-03-18
    • US12562284
    • 2009-09-18
    • Takami HikitaJunichi FujisawaYusuke Shimizu
    • Takami HikitaJunichi FujisawaYusuke Shimizu
    • G02B6/12G03F7/20
    • G02B6/1221G02B6/138
    • A manufacturing method of an optical waveguide device and an optical waveguide device obtained thereby. An under cladding layer is formed on the front surface of a colored-layer-coated PET substrate including a PET substrate portion and a colored layer of a color that absorbs irradiation light and formed on the back surface of the PET substrate portion, and then a photosensitive resin layer for the formation of cores is formed thereon. In forming the cores, when the irradiation light reaches the bottom surface of the PET substrate portion, most of the irradiation light is absorbed by the colored layer, so that there is little irradiation light reflected from the bottom surface of the PET substrate portion. This significantly reduces the irradiation light reflected diffusely from the PET substrate portion and reaching the photosensitive resin layer to thereby effectively suppress the surface roughening of the side surfaces of the cores.
    • 由此获得的光波导器件和光波导器件的制造方法。 在具有PET基板部分和吸收照射光并形成在PET基板部分的背面上的彩色着色层的着色层涂布的PET基板的前表面上形成下包层,然后, 在其上形成用于形成芯的感光性树脂层。 在形成芯时,当照射光到达PET基板部分的底面时,大部分照射光被着色层吸收,使得从PET基板部分的底面反射的照射光很少。 这显着地降低了从PET基板部分漫反射反射并到达感光树脂层的照射光,从而有效地抑制了芯的侧表​​面的粗糙化。
    • 2. 发明授权
    • Manufacturing method of optical waveguide device and optical waveguide device obtained thereby
    • 由此获得的光波导器件和光波导器件的制造方法
    • US08538220B2
    • 2013-09-17
    • US12562284
    • 2009-09-18
    • Takami HikitaJunichi FujisawaYusuke Shimizu
    • Takami HikitaJunichi FujisawaYusuke Shimizu
    • G02B6/10
    • G02B6/1221G02B6/138
    • A manufacturing method of an optical waveguide device and an optical waveguide device obtained thereby. An under cladding layer is formed on the front surface of a colored-layer-coated PET substrate including a PET substrate portion and a colored layer of a color that absorbs irradiation light and formed on the back surface of the PET substrate portion, and then a photosensitive resin layer for the formation of cores is formed thereon. In forming the cores, when the irradiation light reaches the bottom surface of the PET substrate portion, most of the irradiation light is absorbed by the colored layer, so that there is little irradiation light reflected from the bottom surface of the PET substrate portion. This significantly reduces the irradiation light reflected diffusely from the PET substrate portion and reaching the photosensitive resin layer to thereby effectively suppress the surface roughening of the side surfaces of the cores.
    • 由此获得的光波导器件和光波导器件的制造方法。 在具有PET基板部分和吸收照射光并形成在PET基板部分的背面上的彩色着色层的着色层涂布的PET基板的前表面上形成下包层,然后, 在其上形成用于形成芯的感光性树脂层。 在形成芯时,当照射光到达PET基板部分的底面时,大部分照射光被着色层吸收,使得从PET基板部分的底面反射的照射光很少。 这显着地降低了从PET基板部分漫反射反射并到达感光树脂层的照射光,从而有效地抑制了芯的侧表​​面的粗糙化。
    • 3. 发明授权
    • Method of manufacturing optical waveguide device
    • 制造光波导器件的方法
    • US08187796B2
    • 2012-05-29
    • US12834253
    • 2010-07-12
    • Takami HikitaJunichi Fujisawa
    • Takami HikitaJunichi Fujisawa
    • G02B6/13
    • G02B6/138
    • An optical waveguide device is provided which is capable of reducing light propagation losses in the cores of an optical waveguide when the optical waveguide is formed on a surface of a substrate, regardless of the type of substrate. A photosensitive resin layer (4A) for over cladding layer formation is made of a photosensitive resin composition of a non-solvent type, and is heated prior to the exposure thereof to light. This causes interface portions between the cores (3) and the photosensitive resin layer (4A) to be formed into mixed layers (5). This reduces light propagation losses.
    • 提供了一种光波导器件,其能够在光波导形成在基板的表面上时能够减小光波导的芯中的光传播损耗,而与基板的类型无关。 用于上敷层形成的感光性树脂层(4A)由非溶剂型的感光性树脂组合物构成,在曝光前被加热。 这使得芯(3)和感光性树脂层(4A)之间的界面部分形成为混合层(5)。 这减少了光传播损耗。
    • 8. 发明申请
    • RESIN COMPOSITION FOR OPTICAL WAVEGUIDE, AND OPTICAL WAVEGUIDE PRODUCED BY EMPLOYING THE RESIN COMPOSITION
    • 用于光波导的树脂组合物和通过使用树脂组合物生产的光波导
    • US20100003004A1
    • 2010-01-07
    • US12496088
    • 2009-07-01
    • Takami HikitaYusuke ShimizuKazuo Ishihara
    • Takami HikitaYusuke ShimizuKazuo Ishihara
    • G02B6/00
    • G02B6/1221C08G59/24C08L63/00G02B6/138
    • A resin composition for an optical waveguide is provided, which comprises: an epoxy compound represented by the following general formula (1): wherein m is 0 or a positive integer, n is 0 or a positive integer, R and R′ which may be the same or different are each represented by the following formula (2) or (3), wherein c is a positive integer of 1 to 3 and each one of c may be the same or different, and X is represented by the following formula (4): wherein a is an integer of 0 to 2, and b is a positive integer of 1 to 3, and satisfy a condition of a+b=3, and a is 1 to 3 in the epoxy compound represented by the formula (1); and a photoacid generator. The resin composition has a lower viscosity, and is excellent in flexibility and moisture absorption resistance. An optical waveguide produced by employing the resin composition is also provided.
    • 提供了一种用于光波导的树脂组合物,其包含:由以下通式(1)表示的环氧化合物:其中m为0或正整数,n为0或正整数,R和R'可以是 相同或不同的各自由下式(2)或(3)表示,其中c是1至3的正整数,c中的每一个可以相同或不同,X由下式( 4)表示的环氧化合物:其中a为0〜2的整数,b为1〜3的整数,满足a + b = 3的条件,a为1〜3的式 1); 和光致酸发生器。 树脂组合物的粘度较低,柔软性和耐吸湿性优异。 还提供了通过使用树脂组合物制造的光波导。