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公开(公告)号:US20140022734A1
公开(公告)日:2014-01-23
申请号:US13909319
申请日:2013-06-04
Applicant: OCLARO JAPAN, INC.
Inventor: Osamu YAMADA , Mitsuo AKASHI , Shinichi OKAYAMA , Osamu KAGAYA , Hiroyoshi ISHII
IPC: H04B10/60
CPC classification number: H04B10/60 , G02B6/4246 , G02B6/4261 , G02B6/4279
Abstract: An optical module includes: an optical receiving module 101 provided with a plurality of leads 105 for transmitting an electrical signal at 15 Gbit/s or more; a printed circuit board 103 provided with a pad 106 that is connected with the plurality of leads 105 by solder; and a metal thin plate 102 that is provided between the printed circuit board 103 and the optical receiving module 101 when the optical receiving module 101 is mounted on the printed circuit board 103. The thickness of the metal thin plate 102 is defined in such a manner that a distance between the plurality of leads 105 and the pad 106 is in the range of 50 to 500 μm after the optical receiving module. 101 is mounted on the printed circuit board 103.
Abstract translation: 光模块包括:光接收模块101,其具有用于发送15Gbit / s以上的电信号的多个引线105; 设置有通过焊料与多个引线105连接的焊盘106的印刷电路板103; 以及当光接收模块101安装在印刷电路板103上时设置在印刷电路板103和光接收模块101之间的金属薄板102.金属薄板102的厚度以这样的方式 在光接收模块之后,多个引线105和焊盘106之间的距离在50至500μm的范围内。 101安装在印刷电路板103上。
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公开(公告)号:US20180074274A1
公开(公告)日:2018-03-15
申请号:US15696653
申请日:2017-09-06
Applicant: Oclaro Japan, Inc.
Inventor: Fumihide MAEDA , Hiroki IRIE , Hiroyoshi ISHII , Toshikazu OHTAKE
IPC: G02B6/42
CPC classification number: G02B6/4274 , G02B6/4246 , G02B6/4256 , G02B6/4277 , G02B6/428 , G02B6/4284 , G02B6/4292 , G02B6/4293
Abstract: The optical module includes a housing having a first opening for inputting or outputting a first electric signal, a second opening for inputting or outputting a second electric signal, and an optical signal port, one or more substrates disposed in the housing, to/from which the first electric signal is input/output and to/from which the second electric signal is input/output, an optical subassembly disposed in the housing and optically connected to the optical signal port, and a control circuit disposed in the housing and mounted on the substrate for controlling the optical subassembly, wherein the first electric signal is an electric signal input to or output from the optical subassembly, the second electric signal is an electric signal input to or output from the control circuit, and the second opening is provided on one side different from other side of the housing on which the first opening is provided.
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公开(公告)号:US20170331250A1
公开(公告)日:2017-11-16
申请号:US15585511
申请日:2017-05-03
Applicant: Oclaro Japan, Inc.
Inventor: Osamu KAGAYA , Koyu TAKAHASHI , Hiroyoshi ISHII
CPC classification number: H01S5/02248 , H01P3/026 , H01P3/081 , H01P5/04 , H01S5/0427 , H05K1/0245 , H05K1/0251 , H05K1/0298 , H05K1/115 , H05K1/141 , H05K1/181 , H05K2201/10121
Abstract: Provided are a printed circuit board configured to achieve reduction in impedance of a differential transmission line extending in a stacking direction, and an optical module. The printed circuit board includes a stacking-direction differential transmission line extending in the stacking direction, including: a differential signal via pair including a first signal via and a second signal via; and a plurality of conductor plate pairs each including a first conductor plate expanding outward from the first signal via, and a second conductor plate expanding outward from the second signal via. With respect to a perpendicular bisector of a center-of-gravity line segment connecting centers of gravity of the first and second signal vias, in each of the plurality of conductor plate pairs, centers of gravity of contours of the first and second conductor plates are located on inner sides of the centers of gravity.
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公开(公告)号:US20180113262A1
公开(公告)日:2018-04-26
申请号:US15696485
申请日:2017-09-06
Applicant: Oclaro Japan, Inc.
Inventor: Tetsuya AOKI , Hiroki IRIE , Hiroyoshi ISHII , Toshikazu OHTAKE
CPC classification number: G02B6/4441 , G02B6/4249 , G02B6/428 , G02B6/4292 , G02B6/4448
Abstract: An optical module includes: a housing including an optical port in one of side surfaces opposite each other and an electric port in the other; an optical fiber disposed inside the housing and connected to the optical port; and an optical subassembly disposed inside the housing, optically connected to the optical fiber, and electrically connected to the electric port. The optical fiber is disposed so as to wind around the optical subassembly at least one turns in a plan view.
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公开(公告)号:US20170168249A1
公开(公告)日:2017-06-15
申请号:US15362864
申请日:2016-11-29
Applicant: OCLARO JAPAN, INC.
Inventor: Fumihide MAEDA , Koichi OMORI , Yoshikuni UCHIDA , Yuji SEKINO , Koji TAKEGUCHI , Kazutaka NAGOYA , Hiroyoshi ISHII
IPC: G02B6/42
CPC classification number: G02B6/4277 , G02B6/4246 , G02B6/4261
Abstract: An optical module is attachable to and detachable from a cage. The optical module includes a module case, a slider attached to the outside of the module case for releasing coming-off prevention from the cage, and a leakage reducing layer intervening between the module case and the slider to reduce leakage of an electromagnetic wave.
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公开(公告)号:US20150372760A1
公开(公告)日:2015-12-24
申请号:US14744062
申请日:2015-06-19
Applicant: Oclaro Japan, Inc.
Inventor: Osamu KAGAYA , Fumihide MAEDA , Hiroyoshi ISHII , Koichi OMORI , Koji TAKEGUCHI
CPC classification number: G02B6/4215 , G02B6/4246 , G02B6/4292
Abstract: An optical transceiver is configured to use, as an electric signal, a digital modulation signal having a predetermined bit rate. The optical transceiver includes a case having a space for storing a component therein and a resistor being arranged between upper and lower surfaces of the space and having conductance of from 1 S/m to 1,000 S/m. The space has a height equal to or less than a wavelength in a free space of an electromagnetic wave of a frequency corresponding to the predetermined bit rate. At least a part of the height of the space is larger than a half of the wavelength. The height of the space is smaller than a width of the space. The width of the space is smaller than a depth of the space.
Abstract translation: 光收发器被配置为使用具有预定比特率的数字调制信号作为电信号。 光收发器包括具有用于存储部件的空间的壳体和布置在该空间的上表面和下表面之间并具有1S / m至1,000S / m的电导的电阻器。 空间的高度等于或小于对应于预定比特率的频率的电磁波的自由空间中的波长。 空间高度的至少一部分大于波长的一半。 空间的高度小于空间的宽度。 空间的宽度小于空间的深度。
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公开(公告)号:US20140140665A1
公开(公告)日:2014-05-22
申请号:US14070615
申请日:2013-11-04
Applicant: OCLARO JAPAN, INC.
Inventor: Mitsuo AKASHI , Hiroki IRIE , Hiroyoshi ISHII , Michihide SASADA
IPC: G02B6/42
CPC classification number: G02B6/4281 , G02B6/4246
Abstract: An optical module includes: an optical module main body including an optical connector to which a communication cable transferring optical signal is connected, and a terminal portion on which a plurality of terminal pads for transmitting and receiving an electric signal for communication using the optical signal are arranged; a lead array including a lead fixing portion that retains a plurality of metal leads arranged in parallel on and protruding from the lead fixing portion and electrically connected to the plurality of terminal pads of the terminal portion; and a flexible printed circuit including a plurality of holes through which the plurality of metal leads penetrate, and wires electrically connected to the metal leads.
Abstract translation: 光学模块包括:光学模块主体,包括连接有通信电缆传输光信号的光连接器,以及端子部分,用于发送和接收用于使用光信号通信的电信号的多个端子焊盘 安排 引线阵列,其包括引线固定部分,所述引线固定部分保持多个金属引线并联布置并且从所述引线固定部分突出并且电连接到所述端子部分的所述多个端子焊盘; 以及包括多个金属引线穿过的多个孔的柔性印刷电路,以及与金属引线电连接的电线。
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