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    • 33. 发明专利
    • Semiconductor laser module and optical scanning apparatus using same
    • 半导体激光模块和光学扫描仪使用相同
    • JP2007073870A
    • 2007-03-22
    • JP2005261912
    • 2005-09-09
    • Ricoh Printing Systems Ltdリコープリンティングシステムズ株式会社
    • SHIBAYAMA YASUYUKIKATAOKA KEIJIMONMA SUSUMU
    • H01S5/022G02B26/10
    • G02B6/4248G02B6/4237
    • PROBLEM TO BE SOLVED: To prevent the displacement of an optical fiber by preventing the deformation of components consisting a module in assembling the semiconductor laser module, in an optical fiber coupling optical system which makes the light emitted from a semiconductor laser enter the optical fiber through a lens system; to provide a means to hermetically seal and fix the optical fiber portion without contaminating the optical fiber coupling optical system; to provide the semiconductor laser module with stabilized optical coupling efficiency; and to provide the semiconductor laser module mounting the same.
      SOLUTION: Between a sleeve which is a part of structural component of the semiconductor laser and a laser holder, hermetic seal is carried out by affixing a flexible component.
      COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:为了防止在组装半导体激光器模块时组成模块的部件的变形导致光纤的位移,在使从半导体激光器发射的光的光纤耦合光学系统进入 光纤通过透镜系统; 提供一种密封和固定光纤部分而不污染光纤耦合光学系统的装置; 为半导体激光器模块提供稳定的光耦合效率; 并提供安装它们的半导体激光模块。 解决方案:在作为半导体激光器的结构部件的一部分的套筒和激光器保持器之间,通过粘贴柔性部件来进行气密密封。 版权所有(C)2007,JPO&INPIT
    • 36. 发明专利
    • Ferrule block and optical module using the same
    • 使用它的芯片块和光模块
    • JP2005173534A
    • 2005-06-30
    • JP2004191712
    • 2004-06-29
    • Hitachi Cable Ltd日立電線株式会社
    • ISHIGAMI YOSHIAKISUNAGA YOSHINORI
    • G02B6/35G02B6/42
    • G02B6/4292G02B6/421G02B6/4237G02B6/4239G02B6/4277
    • PROBLEM TO BE SOLVED: To provide a ferrule block which hardly picks up external electromagnetic noise and hardly radiates electromagnetic noise to the outer side.
      SOLUTION: A ferrule block comprises a ferrule block body 2 which is attached to an optical device module, which houses in its package an optical device for sending or receiving a light signal, to optically couple to an optical fiber communicating between the optical device module and an external optical communication system and a shell 3 made of an insulating material which is provided at the tip of the ferrule block body 2, wherein a flange 10 which hits against the tip 2u of the ferrule block body 2 is provided on the outer periphery of the shell 3.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供几乎不吸收外部电磁噪声并且几乎不向外侧辐射电磁噪声的套圈块。 解决方案:套圈块包括套圈块体2,该套圈块体2附接到光学器件模块,该光学器件模块在其封装中容纳用于发送或接收光信号的光学装置,以光学耦合到在光学器件之间通信的光纤 装置模块和外部光通信系统以及设置在套圈主体2的前端的由绝缘材料制成的外壳3,其中,在套圈主体2的顶端上突出有凸缘10, 外壳的外围。3.版权所有(C)2005,JPO&NCIPI
    • 38. 发明专利
    • Optical axis adjusting method, optical module manufacturing method, optical axis adjusting device, and optical module
    • 光轴调整方法,光学模块制造方法,光轴调整装置和光学模块
    • JP2005043479A
    • 2005-02-17
    • JP2003200649
    • 2003-07-23
    • Eudyna Devices Incユーディナデバイス株式会社
    • ONO HARUYOSHISUGAWARA HIDEMITSU
    • G02B6/42G02B7/00G11B7/00
    • G02B6/4237G02B6/4204G02B6/4225G02B6/4226
    • PROBLEM TO BE SOLVED: To easily realize an efficient and highly accurate adjustment of optical axes. SOLUTION: With the main housing 2 side as a reference point between two areas to be optically coupled, in an area from this reference point to a condensing lens 30, namely, in a coarse adjustment area, the amount of adjustment is larger compared with a fine adjustment area since the moving quantity of an optical axis is increased by the deformation of a sub housing 50 by the effect of the condensing lens 30. Also, in this area, the adjustment amount is increased as the reference point gets closer. On the contrary, in an area from the condensing lens 30 to the tip end (optical fiber 42 side) of the sub housing 50, namely, in the fine adjustment area, the amount of adjustment is smaller compared with the coarse adjustment area since there is no effect of the condensing lens 30. Also, in this area, the adjustment amount is decreased as the reference point recedes. Using such optical properties and shape-based characteristics, a laser beam is emitted while the distance from the reference point is controlled. As a result, a desired adjustment amount can be easily obtained with high accuracy and efficiency. COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:轻松实现光轴的高效和高精度调整。 解决方案:在主壳体2侧作为光耦合的两个区域之间的参考点,在从该参考点到聚光透镜30的区域,即在粗调区域中,调节量较大 与通过聚光透镜30的作用使副壳体50的变形而增加光轴的移动量而增加的微调区域相比。另外,在该区域中,随着参考点变得更近,调整量增加 。 相反,在副壳体50的聚光透镜30到前端(光纤42侧)的区域,即在微调区域中,与粗调面积相比,调整量较小 没有聚光透镜30的影响。此外,在该区域中,调整量随着参考点后退而减小。 使用这种光学性质和基于形状的特性,在控制与参考点的距离的同时发射激光束。 结果,可以以高精度和高效率容易地获得期望的调整量。 版权所有(C)2005,JPO&NCIPI
    • 40. 发明专利
    • Laser welding method and semiconductor laser module manufactured by using the method
    • 使用该方法制造的激光焊接方法和半导体激光模块
    • JP2003001452A
    • 2003-01-08
    • JP2001182039
    • 2001-06-15
    • Furukawa Electric Co Ltd:The古河電気工業株式会社
    • SEKIGUCHI KAORU
    • G02B6/42B23K26/00B23K26/06B23K26/20B23K26/22B23K101/40H01S5/022
    • B23K26/0626B23K26/06B23K26/22G02B6/4202G02B6/4237H01S5/02248H01S5/02284
    • PROBLEM TO BE SOLVED: To prevent the deterioration in the strength of welding segments occurring in air bubble and cracks and to reduce the amount of splashing of metals which occurs in cooling weld metal and the residual stress of the welding segments to a smaller level. SOLUTION: In subjecting the areas to be joined of the adjacently arranged metals to laser welding by irradiating the areas with a laser beam, not the power of the laser beam is kept constant from the start of the irradiation till the end of the irradiation but the irradiation of the laser beam is ended after the power of the laser beam is made lower than that at the start of the irradiation, by which the rapid solidification on cooling of the weld metal can be suppressed. As a result, the occurrence of the cracks and air bubbles in the welding segments can be decreased. Also, the amount of splashing of the metals which occurs in cooling the weld metal and the residual stress of the welding segments can be suppressed to the smaller level.
    • 要解决的问题:为了防止气泡和裂纹中发生的焊接段的强度的劣化,并且将焊接金属的冷却中发生的金属的飞溅量和焊接段的残余应力减少到较小的水平。 解决方案:在通过用激光束照射区域来对相邻排列的金属的接合区域进行激光焊接,而不是激光束的功率从照射开始直至照射结束时保持恒定,但是 在激光束的功率比照射开始时的激光束的照射结束之后,可以抑制焊接金属冷却时的快速凝固。 结果,可以减少焊接段中的裂缝和气泡的发生。 此外,可以将焊接金属冷却时发生的金属溅射量和焊接段的残余应力抑制在较小的水平。