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    • 8. 发明授权
    • Branch structures for rod-type optical transmission lines
    • 棒式光传输线的分支结构
    • US4673243A
    • 1987-06-16
    • US705790
    • 1985-02-26
    • Hiroshi YamashitaKanenaga FujiiJunji HayakawaToru KomiyamaSinji Tamaru
    • Hiroshi YamashitaKanenaga FujiiJunji HayakawaToru KomiyamaSinji Tamaru
    • G02B6/28G02B6/38G02B6/26G02B6/42
    • G02B6/2821G02B6/2804G02B6/3801
    • This invention provides a branch structure for a rod-type optical transmission line having a quartz rod core, characterized in that two quartz rod branch members bent to a substantially L-shaped form and having a circular cross section are combined together with the axes of longitudinal portions of the members in parallel and with the horizontal portions thereof bifurcated, the combined longitudinal portions being ground to a planar surface each at the opposed faces thereof so as to conjointly form a circular cross section in a predetermined cross sectional area ratio, the combined longitudinal portions being adhered together at the ground planar surfaces, conjointly having the same diameter as the quartz rod core and being coaxially connected to the core at a straight portion of the transmission line. The branch structure of the present invention can divide light for transmission into a branch line at a desired ratio with a reduced transmission loss.
    • 本发明提供了一种具有石英杆芯的棒式光传输线的分支结构,其特征在于两个石英杆分支部件弯曲成大致L形并具有圆形横截面,与纵向轴线 构件的平行部分和水平部分分叉,组合的纵向部分在其相对的面上分别被研磨成平面,从而以预定的横截面积比结合形成圆形横截面,组合纵向 部分在接地平面上粘合在一起,共同地具有与石英棒芯相同的直径,并且在传输线的直线部分同轴地连接到芯。 本发明的分支结构可以以传输损耗降低的方式将发送光以期望的比例分散到支线中。
    • 10. 发明授权
    • Tricyclodecane derivative
    • 三环癸烷衍生物
    • US4841005A
    • 1989-06-20
    • US155608
    • 1988-02-12
    • Sinji TamaruMotonobu Kubo
    • Sinji TamaruMotonobu Kubo
    • C07C35/52C07C69/65C07C69/653
    • C07C69/65C07C35/52C07C69/653
    • A tricyclodecane derivative represented by formula (I): ##STR1## wherein R.sup.1 represents a group X.sup.1 O-- or a hydrogen atom;R.sup.2 represents a hydrogen atom when R.sup.1 represents a group X.sup.1 O--, or R.sup.2 represents a group X.sup.1 O-- when R.sup.1 represents a hydrogen atom;wherein X.sup.1 represents a group ##STR2## or a hydrogen atom, wherein X.sup.2 represents a hydrogen atom, a methyl group, or a trifluoromethyl group;R.sup.3 represents a fluoroalkyl group containing from 1 to 21 carbon atoms, an iodine atom, or a hydrogen atom; andR.sup.4 represents an iodine atom or a hydrogen atom when R.sup.3 represents a fluoroalkyl group containing from 1 to 21 carbon atoms, or R.sup.4 represents a fluoroalkyl group containing from 1 to 21 carbon atoms when R.sup.3 represents an iodine atom or a hydrogen atom.
    • 由式(I)表示的三环癸烷衍生物:其中R1表示基团X1O-或氢原子; 当R1表示一个基团X1O-时,R2表示氢原子,或当R1表示氢原子时R2表示基团X1O-; 其中X1表示基团或氢原子,其中X2表示氢原子,甲基或三氟甲基; R3表示含有1至21个碳原子的氟代烷基,碘原子或氢原子; R 3表示含有1〜21个碳原子的氟烷基时,R 4表示碘原子或氢原子,R 3表示R 3表示碘原子或氢原子时,R 4表示碳原子数1〜21的氟代烷基。