JP4852442B2 - 光送信モジュール - Google Patents
光送信モジュール Download PDFInfo
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- JP4852442B2 JP4852442B2 JP2007034962A JP2007034962A JP4852442B2 JP 4852442 B2 JP4852442 B2 JP 4852442B2 JP 2007034962 A JP2007034962 A JP 2007034962A JP 2007034962 A JP2007034962 A JP 2007034962A JP 4852442 B2 JP4852442 B2 JP 4852442B2
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- 230000003287 optical effect Effects 0.000 title claims description 31
- 230000005540 biological transmission Effects 0.000 title claims description 27
- 239000004020 conductor Substances 0.000 claims description 69
- 239000000758 substrate Substances 0.000 claims description 39
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 230000001902 propagating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000003993 interaction Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012212 insulator Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 1
Images
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4279—Radio frequency signal propagation aspects of the electrical connection, high frequency adaptations
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/428—Electrical aspects containing printed circuit boards [PCB]
- G02B6/4281—Electrical aspects containing printed circuit boards [PCB] the printed circuit boards being flexible
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4274—Electrical aspects
- G02B6/4283—Electrical aspects with electrical insulation means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
- H05K1/0224—Patterned shielding planes, ground planes or power planes
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0237—High frequency adaptations
- H05K1/025—Impedance arrangements, e.g. impedance matching, reduction of parasitic impedance
- H05K1/0253—Impedance adaptations of transmission lines by special lay-out of power planes, e.g. providing openings
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/42—Coupling light guides with opto-electronic elements
- G02B6/4201—Packages, e.g. shape, construction, internal or external details
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4268—Cooling
- G02B6/4271—Cooling with thermo electric cooling
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0213—Electrical arrangements not otherwise provided for
- H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
- H05K1/0218—Reduction of cross-talk, noise or electromagnetic interference by printed shielding conductors, ground planes or power plane
- H05K1/0219—Printed shielding conductors for shielding around or between signal conductors, e.g. coplanar or coaxial printed shielding conductors
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0393—Flexible materials
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/07—Electric details
- H05K2201/0707—Shielding
- H05K2201/0715—Shielding provided by an outer layer of PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09218—Conductive traces
- H05K2201/09236—Parallel layout
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/09—Shape and layout
- H05K2201/09209—Shape and layout details of conductors
- H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
- H05K2201/09663—Divided layout, i.e. conductors divided in two or more parts
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10007—Types of components
- H05K2201/10121—Optical component, e.g. opto-electronic component
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
- H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
- H05K2201/10431—Details of mounted components
- H05K2201/10439—Position of a single component
- H05K2201/10446—Mounted on an edge
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Lasers (AREA)
- Structure Of Printed Boards (AREA)
Description
実施例2では、フレキシブル基板103BにおけるX寸法とY寸法の関係はX>Yである。これは、図4におけるB点での形状を表している。一般に、被覆導体層は可能な限り広範に取った方がシールド効果は良くなる。したがって、実施例2によれば、Yをできるだけ小さくして導体層によって被覆されない領域(スリット幅)を最小限にすることができ、より良好なシールド効果を得ることができる。また、グランド導体パタン105、106と、被覆導体層107、108とを、VIA等を利用して導通させても良い。
実施例3では、フレキシブル基板103CにおけるX寸法とY寸法の関係は、実施例2と同様にX>Yである。ただし、実施例3では図8に示すようにグランド導体パタン106を2つに分け、信号パタン104から離す構造にしている。こうすることで、グランド導体パタン106からの特性インピーダンスへの影響が小さくなり、Y寸法を実施例2よりも更に小さくすることが可能になる。この結果、より良好なシールド効果を得ることができる。また、グランド導体パタン105、106と、被覆導体層107、108とを、VIA等を利用して導通させても良い。
〔図面の簡単な説明〕
Claims (4)
- 半導体レーザ素子と電気信号によりレーザ光を変調する光変調素子とを内蔵した筐体と、該筐体の内部と外部を電気的に接続するリードピンと、該リードピンに接続されたフレキシブル基板とを有する光送信モジュールにおいて、
前記フレキシブル基板は、前記光変調素子へ接続する信号パタンと、該信号パタンの両側に設けた第1および第2のグランド導体パタンと、前記信号パタンの裏側に設けた第3のグランド導体パタンと、前記信号パタンと併走して配置される端子パタンと、を備え、
前記信号パタンと前記第1のグランド導体パタンと前記第2のグランド導体パタンとはコプレーナラインを形成し、前記信号パタンと前記第3のグランド導体パタンとはマイクロストリップラインを形成しており、
前記信号パタンと前記第1および第2のグランド導体パタンとを被覆する第1の絶縁層と、前記第3のグランド導体パタンを被覆する第2の絶縁層と、前記第1の絶縁層を被覆する第1の被覆導体層と、前記第2の絶縁層を被覆する第2の被覆導体層と、を備え、
前記端子パタンは前記第1の絶縁層および前記第1の被覆導体層と前記第2の絶縁層および前記第2の被覆導体層のいずれかで被覆されており、
前記第1の被覆導体層は、少なくとも前記信号パタン部上にスリットを形成されていることを特徴とする光送信モジュール。 - 請求項1に記載の光送信モジュールであって、
前記端子パタンは前記半導体レーザに駆動電流を供給するレーザ端子パタンであることを特徴とする光送信モジュール。 - 請求項1または請求項2に記載の光送信モジュールであって、
前記筐体にはペルチエ素子が収納され、前記端子パタンは前記ペルチエ素子に電流を供給するペルチエ端子パタンであることを特徴とする光送信モジュール。 - 請求項1ないし請求項3のいずれか一に記載の光送信モジュールであって、
前記信号パタンを伝播する電気信号のビットレートが9.95Gbit/s以上であることを特徴とする光送信モジュール。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007034962A JP4852442B2 (ja) | 2007-02-15 | 2007-02-15 | 光送信モジュール |
EP07254768.0A EP1959280B1 (en) | 2007-02-15 | 2007-12-10 | Optical transmitter module |
CN2007101603294A CN101246266B (zh) | 2007-02-15 | 2007-12-19 | 光发送模块 |
US12/003,225 US7626825B2 (en) | 2007-02-15 | 2007-12-20 | Optical transmitter module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007034962A JP4852442B2 (ja) | 2007-02-15 | 2007-02-15 | 光送信モジュール |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2008198931A JP2008198931A (ja) | 2008-08-28 |
JP2008198931A5 JP2008198931A5 (ja) | 2010-01-07 |
JP4852442B2 true JP4852442B2 (ja) | 2012-01-11 |
Family
ID=39495211
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007034962A Active JP4852442B2 (ja) | 2007-02-15 | 2007-02-15 | 光送信モジュール |
Country Status (4)
Country | Link |
---|---|
US (1) | US7626825B2 (ja) |
EP (1) | EP1959280B1 (ja) |
JP (1) | JP4852442B2 (ja) |
CN (1) | CN101246266B (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5349003B2 (ja) * | 2008-10-27 | 2013-11-20 | 日本オクラロ株式会社 | フレキシブルプリント基板、及び光信号伝送装置 |
JP5580994B2 (ja) * | 2009-02-20 | 2014-08-27 | 日本オクラロ株式会社 | 光モジュール |
WO2011018934A1 (ja) | 2009-08-11 | 2011-02-17 | 株式会社村田製作所 | 信号線路 |
DE102011004061A1 (de) * | 2011-02-14 | 2012-08-16 | Endress + Hauser Gmbh + Co. Kg | Elektronisches Gerät und Schutzelement hierfür für den Einsatz in explosionsgefährdeten Bereichen |
JP5631772B2 (ja) * | 2011-02-22 | 2014-11-26 | 日本電信電話株式会社 | 光送信モジュール |
JP5631773B2 (ja) * | 2011-02-22 | 2014-11-26 | 日本電信電話株式会社 | 光送信モジュール |
JP2015211078A (ja) * | 2014-04-24 | 2015-11-24 | 住友電工デバイス・イノベーション株式会社 | 半導体光モジュール |
CN104836619B (zh) | 2015-03-30 | 2017-08-29 | 青岛海信宽带多媒体技术有限公司 | 一种光器件 |
CN108063362A (zh) | 2015-03-30 | 2018-05-22 | 青岛海信宽带多媒体技术有限公司 | 一种激光器 |
US10433417B2 (en) * | 2016-02-08 | 2019-10-01 | Canon Kabushiki Kaisha | Electronic apparatus |
CN107306009B (zh) * | 2016-04-25 | 2021-04-13 | 住友电工光电子器件创新株式会社 | 在承载体上提供共面线的光发射器 |
CN110556643A (zh) * | 2018-05-30 | 2019-12-10 | 展达通讯(苏州)有限公司 | 双向光学组件连接结构 |
JP7153509B2 (ja) * | 2018-08-31 | 2022-10-14 | 日本ルメンタム株式会社 | 光モジュール、光伝送装置、及び配線基板 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6281451B1 (en) * | 1998-09-24 | 2001-08-28 | International Business Machines Corporation | Electrical cable device |
JP3541697B2 (ja) * | 1998-11-20 | 2004-07-14 | ソニーケミカル株式会社 | フレキシブル配線板の製造方法 |
JP3565768B2 (ja) * | 2000-07-27 | 2004-09-15 | ソニーケミカル株式会社 | 配線基板 |
JP2003110207A (ja) | 2001-09-28 | 2003-04-11 | Alps Electric Co Ltd | フレキシブル基板 |
US6617518B2 (en) * | 2001-11-02 | 2003-09-09 | Jds Uniphase Corporaton | Enhanced flex cable |
US6797891B1 (en) * | 2002-03-18 | 2004-09-28 | Applied Micro Circuits Corporation | Flexible interconnect cable with high frequency electrical transmission line |
US6932518B2 (en) * | 2002-03-19 | 2005-08-23 | Finisar Corporation | Circuit board having traces with distinct transmission impedances |
JP3759494B2 (ja) * | 2002-12-12 | 2006-03-22 | セイコーエプソン株式会社 | 光通信装置 |
JP3936925B2 (ja) * | 2003-06-30 | 2007-06-27 | 日本オプネクスト株式会社 | 光伝送モジュール |
US20050083147A1 (en) * | 2003-10-20 | 2005-04-21 | Barr Andrew H. | Circuit board and method in which the impedance of a transmission-path is selected by varying at least one opening in a proximate conductive plane |
JP4163098B2 (ja) * | 2003-12-24 | 2008-10-08 | 日本メクトロン株式会社 | 電磁シールド型可撓性回路基板 |
-
2007
- 2007-02-15 JP JP2007034962A patent/JP4852442B2/ja active Active
- 2007-12-10 EP EP07254768.0A patent/EP1959280B1/en active Active
- 2007-12-19 CN CN2007101603294A patent/CN101246266B/zh active Active
- 2007-12-20 US US12/003,225 patent/US7626825B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1959280A3 (en) | 2010-11-17 |
JP2008198931A (ja) | 2008-08-28 |
US20080196929A1 (en) | 2008-08-21 |
US7626825B2 (en) | 2009-12-01 |
CN101246266A (zh) | 2008-08-20 |
EP1959280A2 (en) | 2008-08-20 |
CN101246266B (zh) | 2010-09-08 |
EP1959280B1 (en) | 2015-09-09 |
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