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1. 发明专利

JP2005249991A Method and device of manufacturing optical fiber coupler 有权
标题翻译：制造光纤耦合器的方法和装置
公开(公告)号：JP2005249991A
公开(公告)日：2005-09-15
申请号：JP2004058534
申请日：2004-03-03
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , KODERA HIDEKAZU , SASAKURA HISAYASU
IPC分类号： G02B6/287
摘要： PROBLEM TO BE SOLVED: To provide a method and a device of manufacturing an optical fiber couplers by which a two-step type optical fiber coupler of high reliability can be manufactured. SOLUTION: The method of manufacturing the optical fiber coupler coimprises; a step of arranging optical fibers 1 to 3 extending from one ends 11 to the other ends 12 in order; a first grasping step of grasping one ends 11 and the other ends 12 of optical fibers 1 to 3 by optical fiber clamping parts 26 and 27; and a step of separating the optical fiber clamping parts 26 and 27 with one ends 11 and the other ends grasped to couple the optical fibers 1 and 2 in a coupling position 6 by melt-drawing after the first grasping stage. The first grasping step includes a step of grasping one ends 11 and the other ends 12 of optical fibers 1 to 3 so that one ends 11 and the other ends 12 of optical fibers 1 and 2 are fixed ends and at least one of one end 11 and the other end 12 of the optical fiber 3 is a free end. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供一种制造光纤耦合器的方法和装置，通过该方法和装置可以制造高可靠性的两级型光纤耦合器。
解决方案：制造光纤耦合器的方法; 将从一端11延伸到另一端12的光纤1〜3依次排列的步骤; 通过光纤夹持部件26和27抓住光纤1至3的一端11和另一端12的第一抓取步骤; 以及通过一端11分离光纤夹持部件26和27的步骤，并且夹持其另一端以在第一抓取阶段之后通过熔融拉伸将光纤1和2耦合在耦合位置6。第一抓取步骤包括抓住光纤1至3的一端11和另一端12以使光纤1和2的一端11和另一端12为固定端的步骤，并且一端11 光纤3的另一端12为自由端。版权所有（C）2005，JPO＆NCIPI

2. 发明专利

JP2007234963A Optical semiconductor module 审中-公开
标题翻译：光学半导体模块
公开(公告)号：JP2007234963A
公开(公告)日：2007-09-13
申请号：JP2006056385
申请日：2006-03-02
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , FUKUDA KEIICHI , SASAKURA HISAYASU , YONEZAWA HIROTOSHI
IPC分类号： H01L31/0232 , H01S5/022
CPC分类号： H01L2224/48091 , H01L2924/00014
摘要： PROBLEM TO BE SOLVED: To provide an optical semiconductor module which exhibits stable characteristics by suppressing displacement of an optical fiber due to expansion or contraction of a sealing resin when the temperature changes and by reducing the change in coupling efficiency between a light-emitting or receiving device and the optical fiber with respect to a module which is formed by sealing the light-emitting or receiving device and the optical fiber with a transparent resin.
SOLUTION: The optical semiconductor module is provided with an optical waveguide 7, an optical semiconductor device 6 which is optically coupled with the optical waveguide 7, an engagement part wherein the optical waveguide 7 and the optical semiconductor device 6 are engaged by a first resin 1 and a second resin 2 which covers the engagement part. The hardness of the second resin 2 is lower than the hardness of the first resin 1.
COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过当温度变化时通过抑制由于密封树脂的膨胀或收缩导致的光纤的位移，并且通过减少发光元件之间的耦合效率的变化而呈现稳定特性的光学半导体模块，发光或接收装置和光纤相对于通过用透明树脂密封发光或接收装置和光纤而形成的模块。解决方案：光学半导体模块设置有光波导7，与光波导7光学耦合的光学半导体器件6，其中光波导7和光学半导体器件6被接合的接合部分第一树脂1和覆盖接合部的第二树脂2。第二树脂2的硬度低于第一树脂1的硬度。版权所有（C）2007，JPO＆INPIT

3. 发明专利

JP2008256885A Optical fiber coupler 有权
标题翻译：光纤耦合器
公开(公告)号：JP2008256885A
公开(公告)日：2008-10-23
申请号：JP2007098098
申请日：2007-04-04
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , FUKUDA KEIICHI , NAKAMURA SATOSHI , OKAMURA MASAMITSU , SASAKURA HISAYASU
IPC分类号： G02B6/287
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber coupler capable of maintaining reliability as the optical fiber coupler as against a change in an environmental temperature. SOLUTION: In the optical fiber coupler 101 housing a base material 120 fixed with a melt stretching part 111 of the optical fiber 110 into a protective tube 130 and sealing both ends of the protective tube by sealing materials 130, both ends of the protective tube are provided with buffer mechanisms 131. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够保持作为光纤耦合器的可靠性的光纤耦合器，以防止环境温度的变化。解决方案：在光纤耦合器101中，将固定有光纤110的熔融拉伸部分111的基底材料120保持在保护管130中，并通过密封材料130密封保护管的两端，保护管设有缓冲机构131.版权所有（C）2009，JPO＆INPIT

4. 发明专利

JP2012021941A Leakage inspection apparatus 审中-公开
标题翻译：泄漏检测装置
公开(公告)号：JP2012021941A
公开(公告)日：2012-02-02
申请号：JP2010161775
申请日：2010-07-16
申请人： Mitsubishi Electric Corp , Mitsubishi Electric Home Appliance Co Ltd , 三菱電機ホーム機器株式会社 , 三菱電機株式会社
发明人： SASAKURA HISAYASU , OTOSHI YUKIHISA , MATSUMOTO ATSUSHI , SUZUKI TOSHIHIRO
IPC分类号： G01M3/24
摘要： PROBLEM TO BE SOLVED: To provide a leakage inspection apparatus at low cost which utilized ultrasonic wave having no direct propagation from surrounding of a part to be inspected.SOLUTION: An ultrasonic wave transmitter 1 of a leakage inspection apparatus has a tube 12 formed in parallel with a sealing portion 33 which is to be inspected. The interior of the tube is provided with air. The tube wall is provided with an irradiation ports 13 as a plurality of fine holes for ejecting air in the tube and generating ultrasonic wave along and facing the sealing portion 33. By using the irradiation ports 13 as ultrasonic wave transmitting source, the sealing portion 33 is irradiated with ultrasonic wave from the position adjacent to the sealing portion 33.
摘要翻译：要解决的问题：提供一种低成本的泄漏检查装置，其使用没有从被检查部件的周围直接传播的超声波。解决方案：泄漏检查装置的超声波发射器1具有与要检查的密封部分33平行形成的管12。管的内部设有空气。管壁设置有作为多个细孔的照射端口13，用于在管中喷射空气并且沿密封部分33产生超声波。通过使用照射端口13作为超声波发射源，密封部分33 从与密封部分33相邻的位置用超声波照射。（C）2012，JPO＆INPIT

5. 发明专利

JP2007322815A Optical semiconductor module 审中-公开
标题翻译：光学半导体模块
公开(公告)号：JP2007322815A
公开(公告)日：2007-12-13
申请号：JP2006153653
申请日：2006-06-01
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , FUKUDA KEIICHI , SASAKURA HISAYASU , YONEZAWA HIROTOSHI
IPC分类号： G02B6/42 , H01L31/02 , H01S5/022
摘要： PROBLEM TO BE SOLVED: To obtain an optical semiconductor module having stable characteristics such that positional deviation at the tip end of an optical fiber is small relative to an optical semiconductor element and that a change in optical coupling efficiency is small between the optical fiber and the optical semiconductor element, in the occurrence of thermal deformation of a light shielding resin which covers the outside of transparent resin sealing the optical fiber tip end and the optical semiconductor element. SOLUTION: The optical semiconductor module includes: an engaging part in which an optical fiber 1 and a photodetector 2 of the optical semiconductor element are engaged with each other by a first resin 3; a surrounding part which surrounds the engaging part with a side face opposing the engaging part across the photodetector 2 and with a pair of faces nearly vertical to that side face and opposing to each other; and a second resin 8 which is filled in the surrounding part, wherein the photodetector 2 is attached to the surrounding part. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了获得具有如下特性的光学半导体模块，即光纤前端的位置偏差相对于光半导体元件较小，并且光耦合效率的变化在光学纤维和光半导体元件，在覆盖密封光纤末端和光半导体元件的透明树脂的外侧的遮光树脂的热变形的情况下。解决方案：光半导体模块包括：光纤1和光半导体元件的光电检测器2通过第一树脂3彼此接合的接合部分; 周围部分，其围绕所述接合部分具有与所述接合部分相对的所述光电检测器2的侧面以及与所述侧面几乎垂直并且彼此相对的一对面; 以及填充在周围部分的第二树脂8，其中光电检测器2附接到周围部分。版权所有（C）2008，JPO＆INPIT

6. 发明专利

JP2008304761A Optical fiber coupler 有权
标题翻译：光纤耦合器
公开(公告)号：JP2008304761A
公开(公告)日：2008-12-18
申请号：JP2007152671
申请日：2007-06-08
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , FUKUDA KEIICHI , NAKAMURA SATOSHI , OKAMURA MASAMITSU , SASAKURA HISAYASU
IPC分类号： G02B6/287 , G02B6/28
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber coupler in which the reliability as an optical fiber coupler is preserved against the variation in environmental temperature. SOLUTION: The optical coupler is provided with a fiber fixing member 2 which is fixed on both ends of a protection tube 1 of the optical fiber coupler and has a stretched part 21 which stretches in the protection tube toward the central part of the protection tube. The fiber fixing member 2 is made of a material having a larger linear thermal expansion coefficient than that of the protection tube 1. A seal material 3 is applied to the fiber fixing member 2 at a position close to the end part 4b of a base member 4 to which an optical fiber 7 is fixed. The seal material 3 holds the optical fiber stretching from the base member 4 to the outside of the protection tube and seals the protection tube to keep air tight. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种光纤耦合器，其中作为光纤耦合器的可靠性被保留以抵抗环境温度的变化。解决方案：光耦合器设置有固定在光纤耦合器的保护管1的两端的光纤固定部件2，并且具有拉伸部分21，该拉伸部分21在保护管中向中心部分延伸保护管。纤维固定部件2由比保护管1的线性热膨胀系数大的材料制成。密封材料3在靠近基部件的端部4b的位置处施加到纤维固定部件2上 4，固定有光纤7。密封材料3将从基体部件4延伸到保护管外侧的光纤保持密封，保持气密性。版权所有（C）2009，JPO＆INPIT

7. 发明专利

JP2008205259A Optical module 审中-公开
标题翻译：光学模块
公开(公告)号：JP2008205259A
公开(公告)日：2008-09-04
申请号：JP2007040587
申请日：2007-02-21
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： FUKUDA KEIICHI , KITAGAKI SHUNICHI , NAKAMURA SATOSHI , OKAMURA MASAMITSU , SASAKURA HISAYASU , KATAYAMA MASATOSHI , YAMANAKA SHIGEO , YANO NORIYUKI , YAMASHITA JUNICHIRO , NANBARA SEIJI , HASEGAWA KAZUYOSHI , TAKAGI SHINICHI
IPC分类号： H01S5/022 , G02B6/42 , H01L31/02 , H01S5/06
摘要： PROBLEM TO BE SOLVED: To provide an optical module which achieves a longer service lifetime by protecting an optical element while appropriating humidity in an open package that is not hermetically sealed.
SOLUTION: The optical module is provided with the optical element and a heat-generating body that heats the optical element. The optical element is heated by allowing the heat-generating body to generate heat in a period in which the optical element is not energized. The optical module may be further provided with a first switch part for turning OFF/ON the energization to the heat-generating body with a phase reverse to a phase of the ON/OFF of the energization to the optical element. Another optical module is provided with an optical element and a heat-generating body that heats the optical element. In another optical module, a calorific value of the total sum of a calorific value due to the optical element itself and a calorific value of the heat-generating body is set to exceed a prescribed value with the energization to the optical element in a period in which the optical element is energized.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种通过保护光学元件同时在未密封的开放式封装中适应湿气来实现更长使用寿命的光学模块。解决方案：光学模块设置有光学元件和加热光学元件的发热体。通过允许发热体在光学元件不通电的时段内产生热量来加热光学元件。光模块还可以设置有第一开关部件，用于以与向光学元件通电的ON / OFF的相位相反的相位关闭/接通对发热体的通电。另一个光学模块设置有光学元件和加热光学元件的发热体。在另一个光学模块中，由于光学元件本身的发热量和发热体的发热量的总和的热值被设定为超过规定值，在光学元件的通电期间光学元件被激励。版权所有（C）2008，JPO＆INPIT

8. 发明专利

JP2007322959A Optical semiconductor module 审中-公开
标题翻译：光学半导体模块
公开(公告)号：JP2007322959A
公开(公告)日：2007-12-13
申请号：JP2006155719
申请日：2006-06-05
申请人： Mitsubishi Electric Corp , 三菱電機株式会社
发明人： KITAGAKI SHUNICHI , FUKUDA KEIICHI , SASAKURA HISAYASU , YONEZAWA HIROTOSHI
IPC分类号： G02B6/42 , H01L31/0232
CPC分类号： H01L2224/48091 , H01L2224/48137 , H01L2224/48247 , H01L2224/48257 , H01L2224/49171 , H01L2924/3025 , H01L2924/00014 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To obtain an optical semiconductor module that suppresses loss in a high frequency region, that can deal with transmission of high speed signals, and that is easy to be assembled. SOLUTION: The optical semiconductor module includes an optical fiber 2, a PD element 3 which is an optical semiconductor element optically coupled to the optical fiber 2, a preamplifier IC 10 which is a semiconductor IC electrically connected to the PD element 3, and a lead frame 6 which is a metallic member. On the louvered face 6a for which a part of the lead frame 6 is louvered, there are mounted the PD element 3 and the preamplifier IC 10. COPYRIGHT: (C)2008,JPO&INPIT

9. 发明专利

JP2003270449A Optical fiber coating layer removing apparatus and its operating method 审中-公开
标题翻译：光纤涂层去除装置及其操作方法
公开(公告)号：JP2003270449A
公开(公告)日：2003-09-25
申请号：JP2002074402
申请日：2002-03-18
申请人： Fujikura Ltd , Mitsubishi Electric Corp , 三菱電機株式会社 , 株式会社フジクラ
发明人： OE SHINICHI , SASAKURA HISAYASU , TAKAHASHI KENJI , TABATA MANABU , SAITO SHIGERU
IPC分类号： G02B6/00
摘要： PROBLEM TO BE SOLVED: To provide an optical fiber coating layer removing apparatus which prevents a bare fiber from having a microbend through gravitation. SOLUTION: The optical fiber coating layer removing apparatus is equipped with a couple of grip parts 5 which grip both end parts of an optical fiber 1 perpendicularly extending, a couple of discharge electrodes 6 which are provided horizontally opposite each other across the optical fiber 11 and remove a coating layer with heat generated by discharge, a movement control part 7 which moves relatively between the optical fiber 1 and discharge electrodes 6 by moving the grip parts 6 or discharge electrodes 6 perpendicularly, and a discharge control part 8 which controls discharge conditions of the discharge electrodes 6. COPYRIGHT: (C)2003,JPO

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