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    • 2. 发明申请
    • PROCESS FOR PRODUCING OPTICAL FIBER PRODUCTS
    • 生产光纤产品的工艺
    • WO1997037950A1
    • 1997-10-16
    • PCT/JP1997000817
    • 1997-03-14
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.SHIMODA, KojiAIKAWA, HaruhikoYOSHIDA, MotohideHASEGAWA, Takashi
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • C03C25/00
    • C03C25/12C03C23/0075C03C25/1065
    • A process for producing an optical fiber product including a storing step between a glass fiber drawing step at which a glass optical fiber wire covered with a primary covering layer on its circumference is wound on a reel and a processing step at which the optical fiber wire wound on the reel is rewound on a bobbin. At the storing step, the optical fiber wire wound on the reel is stored at a place whose average ambient temperature is T (> 0 DEG C) for at least 30,000/T (hr), or for a period of time of from 30,000/T (hr) to 210,000/T (hr) when a coloring layer is provided on the circumference of the wire. In optical fiber products such as ribbon-type optical fibers produced by a method including such a storing step, an increase in transmission loss due to separation between the glass fiber and the primary covering layer on its outer circumference and also the separation of the coloring layer provided on the outer circumference of the optical fiber wire are effectively suppressed.
    • 1.一种光纤制品的制造方法,其特征在于,包括在玻璃纤维拉伸工序之间的存储工序,玻璃纤维拉伸工序将覆盖有圆周上的主覆盖层的玻璃纤维线卷绕在卷轴上,以及卷绕所述光纤线的处理工序 在卷筒上卷绕在筒管上。 在存储步骤中,将缠绕在卷轴上的光纤线材储存在平均环境温度为T(> 0℃)至少30,000 / T 2(小时)的地方,或者一段时间 当在导线的圆周上设置着色层时,从30,000 / T 2(hr)至210,000 / T 2(小时)。 在通过包括这种存储步骤的方法制造的带状光纤的光纤产品中,由于玻璃纤维和主外围层在其外周上的分离而导致的传输损耗的增加,以及着色层的分离 设置在光纤线的外周上被有效地抑制。
    • 4. 发明申请
    • NON-RECIPROCAL CIRCUIT ELEMENT
    • 非接收电路元件
    • WO1995001659A1
    • 1995-01-12
    • PCT/JP1994001059
    • 1994-06-29
    • MURATA MANUFACTURING CO., LTD.DEJIMA, HirokiHASEGAWA, TakashiISHIURA, YutakaCHIGODOU, YoshikazuMATSUI, HiroshiOGAWA, Keiji
    • MURATA MANUFACTURING CO., LTD.
    • H01P01/383
    • H01P1/387
    • This element can be miniaturized irrespective of the value of the matched capacitance. A circulator (1) is provided with a multilayered board (3) for forming a central electrode (16a) and matching capacitance. The multilayered board (3) is produced by laminating a plurality of dielectric sheets on which the central electrode or the matching capacitance electrode is formed, and burning them integrally. The matching capacitor is structured by connecting in parallel the capacitors formed by laminating many numbers of dielectric sheet pinched by a pair of capacitor electrodes. On the upper surface of the multilayered board (3), there are formed in positions facing the central electrode (16a) a first recess (26) for receiving ferrite (4), and a second recess (25) for receiving a permanent magnet (5). In these recesses, the ferrite (4) and the permanent magnet (5) are installed, respectively.
    • 不管匹配电容的值如何,该元件都可以小型化。 循环器(1)设置有用于形成中心电极(16a)和匹配电容的多层板(3)。 多层板(3)通过层压形成有中心电极或匹配电容电极的多个电介质片材一体化地制造。 匹配电容器通过并联连接形成的电容器构成,该电容器通过层压由一对电容器电极夹持的许多电介质片而形成。 在多层板(3)的上表面上形成有面对中心电极(16a)的位置用于容纳铁氧体(4)的第一凹部(26)和用于容纳永久磁体的第二凹部(25) 5)。 在这些凹部中,分别安装铁氧体(4)和永磁体(5)。