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    • 2. 发明公开
    • Glass fiber nonwoven fabric and printed wiring board
    • Glasfaservlies und Leiterplatte
    • EP1780323A2
    • 2007-05-02
    • EP07001390.9
    • 1998-12-01
    • NITTO BOSEKI CO., LTD.
    • Konno, MichioSaito, ShoichiMiura, YasushiKasai, Shin
    • D04H13/00D04H1/42
    • H05K1/0366C03B37/083D04H1/4218D04H1/4226D04H1/4382D04H1/4391D04H3/00H05K2201/0293H05K2201/0296Y02P40/57
    • A nonwoven fabric is constructed of a highly flat glass fiber which is a glass fiber whose section is flat and has a flatness ratio of 2.0 to 10 and which has such a section that the packing fraction is at least 85%, preferably at least 90%. In this nonwoven fabric, the glass fiber section has a shape near rectangle, and hence, the glass fibers can be arranged very densely to form a thin nonwoven fabric having a high bulk density, and when it is used as a laminate material, the glass fiber content can be increased and the surface smoothness can simultaneously be enhanced and can be used appropriately as a reinforcing material for a printed wiring board. Moreover, the above flat glass fiber can be produced by use of, for example, a nozzle having such a shape that one side of the major axis walls of a nozzle chip having a flat nozzle hole is partly notched.
    • 非织造布由高度扁平的玻璃纤维构成,玻璃纤维是截面为平坦的平坦度为2.0至10的玻璃纤维,并且具有包装率至少为85%,优选至少90% 。 在该无纺布中,玻璃纤维部的形状接近矩形,玻璃纤维可以非常密集地配置,形成体积密度高的薄型无纺布,作为层叠材料使用时,玻璃纤维 可以提高纤维含量,同时可以提高表面平滑性,并且可以适当地用作印刷线路板的增强材料。 此外,上述扁平玻璃纤维可以通过使用例如具有扁平喷嘴孔的喷嘴芯的长轴壁的一侧部分凹口的形状的喷嘴来制造。
    • 8. 发明公开
    • NONWOVEN FABRIC MADE OF GLASS FIBER AND PRINTED WIRING BOARDS
    • 喷嘴尖端用于纺制玻璃纤维利用大部分扁平横截面和本DEVICE HAVING喷嘴尖端
    • EP1039004A1
    • 2000-09-27
    • EP98956011.5
    • 1998-12-01
    • NITTO BOSEKI CO., LTD.
    • KONNO, MichioMIURA, YasushiSAITO, ShoichiKASAI, Shin
    • D04H1/42D01D5/253C03B37/075C03B37/08
    • H05K1/0366C03B37/083D04H1/4218D04H1/4226D04H1/4382D04H1/4391D04H3/00H05K2201/0293H05K2201/0296Y02P40/57
    • A nonwoven fabric is constructed of a highly flat glass fiber which is a glass fiber whose section is flat and has a flatness ratio of 2.0 to 10 and which has such a section that the packing fraction is at least 85%, preferably at least 90%. In this nonwoven fabric, the glass fiber section has a shape near rectangle, and hence, the glass fibers can be arranged very densely to form a thin nonwoven fabric having a high bulk density, and when it is used as a laminate material, the glass fiber content can be increased and the surface smoothness can simultaneously be enhanced and can be used appropriately as a reinforcing material for a printed wiring board. Moreover, the above flat glass fiber can be produced by use of, for example, a nozzle having such a shape that one side of the major axis walls of a nozzle chip having a flat nozzle hole is partly notched.
    • 的非织造织物被构造一个非常扁平的玻璃纤维的所有这是一种玻璃纤维,其截面是平的,并且具有2.0至10,其中A扁平比的已检查的部分做敛集率至少为85%,优选至少90%的 , 在该非织造织物,玻璃纤维部分具有接近矩形的形状,并且因此,玻璃纤维可以被非常密集地布置,以形成具有高堆积密度的薄的无纺织物,并且当它被用作层压材料,玻璃 纤维含量可以增加和表面光滑度可以同时得到提升,可适当地使用作为强化材料的印刷电路板。 更完了,上述扁平玻璃纤维可通过使用来生产,例如,具有形状搜索的喷嘴那样具有平坦喷嘴孔的喷嘴片的长轴壁中的一个侧面部分地切口。