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    • 22. 发明授权
    • Photosensitive composition
    • 感光组合物
    • US4731316A
    • 1988-03-15
    • US782454
    • 1985-10-01
    • Hiroshi TomiyasuYoshihiro MaedaKiyoshi GotoNorihito Suzuki
    • Hiroshi TomiyasuYoshihiro MaedaKiyoshi GotoNorihito Suzuki
    • G03F7/016G03C1/52G03C1/54G03C1/60G03F7/004G03F7/021G03F7/033G03F7/038G03F7/08
    • G03F7/021
    • A photosensitive composition of this invention comprises:(a) a photosensitive diazo resin represented by the following general formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each represents a hydrogen atom, an alkyl or alkoxy group, R represents a hydrogen atom, an alkyl or phenyl group, X represents PF.sub.6 or BF.sub.4 and n represents a number of 1 to 200, in which a resin with the number n in the above formula being 5 or more is contained by more than 20 mol %,(b) an oleophilic high molecular weight compound with hydroxyl group and(c) a high molecular weight organic acid without hydroxyl group, and in which the content of the ingredient (c) is from 1.5 to 30% by weight based on the solid matter in said composition.The photosensitive composition of this invention can provide a photosensitive layer having high sensitivity and being excellent in storage stability and developability as well as excellent in the film strength.
    • 本发明的光敏组合物包含:(a)由以下通式(I)表示的光敏重氮树脂:其中R 1,R 2和R 3各自表示氢原子,烷基或烷氧基,R 表示氢原子,烷基或苯基,X表示PF 6或BF 4,n表示1〜200的数,上述通式中n数为5以上的树脂的含量为20摩尔%以上, ,(b)具有羟基的亲油性高分子量化合物和(c)无羟基的高分子量有机酸,其中成分(c)的含量为基于固体的1.5至30重量% 在所述组合物中。 本发明的感光性组合物可以提供具有高灵敏度,保存稳定性和显影性优异以及膜强度优异的感光层。
    • 26. 发明申请
    • Soldering structure of through hole
    • 通孔焊接结构
    • US20070205251A1
    • 2007-09-06
    • US11712955
    • 2007-03-02
    • Norihito SuzukiAkihiro Minoura
    • Norihito SuzukiAkihiro Minoura
    • A47J36/02
    • H05K3/3447H05K3/3463H05K2201/09854
    • A through hole is formed in a printed board. Conductor patterns are formed on an upper face and a lower face of the printed board in such a manner that the conductor patterns are electrically connected to each other, by means of a through hole solder. A lead terminal of an electronic component is inserted into the through hole and soldered with a lead free solder. According to this invention, an area of an opening of the through hole is set to be four times or more as large as a cross sectional area of the lead terminal. In this manner, heat conduction on occasion of soldering can be enhanced, and the soldering can be favorably performed, even when the lead free solder having a high melting point is used.
    • 在印刷电路板上形成通孔。 导体图案形成在印刷电路板的上表面和下表面上,使得导体图案通过通孔焊料彼此电连接。 将电子部件的引线端子插入到通孔中并用无铅焊料焊接。 根据本发明,通孔的开口面积设定为引线端子的横截面面积的四倍以上。 以这种方式,即使使用具有高熔点的无铅焊料,也可以提高焊接时的热传导,并且可以有利地进行焊接。
    • 29. 发明授权
    • Optical fiber connector
    • 光纤连接器
    • US06302591B1
    • 2001-10-16
    • US09342269
    • 1999-06-29
    • Yasutaka NagaokaNobuhiko SuzukiHiroyuki KondoNorihito SuzukiToru IkumiTsuguhito Shirakawa
    • Yasutaka NagaokaNobuhiko SuzukiHiroyuki KondoNorihito SuzukiToru IkumiTsuguhito Shirakawa
    • G02B638
    • G02B6/3869G02B6/3821G02B6/3878G02B6/3893G02B6/4246G02B6/4292
    • In an optical fiber connector 1, optical fibers 2 are inserted respectively into ferrules 3 to form optical fiber plugs 4, and distal end portions of the optical fiber plugs 4 are inserted into a connector housing 6, and a holder 7 is fitted on the connector housing from rear end portions of the optical fiber plugs. The optical fiber connector 1 is fitted into a light receiving-emitting device 8, so that distal end surfaces of the optical fiber plugs are kept spaced a predetermined distance respectively from light receiving-emitting elements received within the light receiving-emitting device. The holder includes insertion holes 41 for respectively passing the optical fibers therethrough in a direction of insertion of the optical fiber plugs, and introduction notches 45 communicating respectively with the insertion holes in a direction intersecting the inserting direction. A ferrule-pressing member 5 is mounted on the optical fiber plugs so as to spring-bias the optical fiber plugs, fitted respectively into the insertion holes through the respective introduction notches after the distal end surfaces of the optical fibers are polished, toward the connector housing.
    • 在光纤连接器1中,将光纤2分别插入到套圈3中,形成光纤插塞4,将光纤插头4的前端部插入连接器壳体6内,将保持器7嵌入连接器 从光纤插头的后端部分容纳。 光纤连接器1装配到光接收发射装置8中,使得光纤插塞的远端表面与受光发射装置中接收的光接收发射元件分开地保持预定距离。 保持器包括插入孔41,用于分别使光纤穿过其中插入光纤插头的方向,以及引入凹口45,其与插入孔相交的方向与插入方向相交。 套管按压构件5安装在光纤插头上,以便在光纤的远端表面被抛光之后,通过相应的引入凹口将光纤插头弹簧偏置成分别插入到插入孔中, 住房。
    • 30. 发明授权
    • Covering fixing structure to an end surface of a tubular body
    • 覆盖固定结构到管状体的端面
    • US5733134A
    • 1998-03-31
    • US756027
    • 1996-11-26
    • Hiroaki IizukaHiraku TanakaNorihito Suzuki
    • Hiroaki IizukaHiraku TanakaNorihito Suzuki
    • B62D1/04F16B5/06F16B5/07F16B21/08H01R35/02H01R35/04
    • H01R35/025
    • A cover fixing structure for an end surface of a tubular body according to the present invention is constructed such that it comprises: a plurality of projections 1 having a tip end hook portion 1a on the mounting surface of an external joint cover 110 which is to be fitted onto the end surface of the tubular body 11, a groove 3 for receiving the locking projection formed at the position corresponding to the locking projection 1, a rib 5 formed on the inner surface of the external peripheral wall of the tubular body 11 within the groove 3, the groove 3 is formed with a through hole 3a for receiving the hook portion 1a on the inner peripheral wall of the tubular body 11, wherein gap between the inner end portion of the rib 5 and the inner peripheral wall of the tubular body 11 is made substantially equal to the thickness of the locking projection 1, and the rib 5 is formed with a tapering surface inclined toward the entrance side of the groove 3
    • 根据本发明的用于管状体的端面的盖固定结构被构造成使得其包括:多个突起1,其在外接头盖110的安装表面上具有尖端钩部1a 安装在管状体11的端面上的槽3,用于接收形成在与锁定突起1对应的位置处的锁定突起的槽3,形成在管状体11的外周壁的内表面上的肋5 槽3形成有用于容纳管状体11的内周壁上的钩部1a的通孔3a,肋5的内端部与管状体的内周壁之间的间隙 11被形成为基本上等于锁定突起1的厚度,并且肋5形成有朝向槽3的入口侧倾斜的锥形表面