WO2013039209A1 - 光送受信装置及びその製造方法 - Google Patents
光送受信装置及びその製造方法 Download PDFInfo
- Publication number
- WO2013039209A1 WO2013039209A1 PCT/JP2012/073643 JP2012073643W WO2013039209A1 WO 2013039209 A1 WO2013039209 A1 WO 2013039209A1 JP 2012073643 W JP2012073643 W JP 2012073643W WO 2013039209 A1 WO2013039209 A1 WO 2013039209A1
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- WIPO (PCT)
- Prior art keywords
- circuit board
- optical module
- optical
- cover
- module
- Prior art date
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- 230000003287 optical effect Effects 0.000 title claims abstract description 161
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 6
- 230000017525 heat dissipation Effects 0.000 abstract description 9
- 239000002184 metal Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- G02B6/36—Mechanical coupling 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
- G02B6/4246—Bidirectionally operating package structures
-
- 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
-
- 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]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/4913—Assembling to base an electrical component, e.g., capacitor, etc.
Definitions
- the present invention relates to an optical transceiver and a method for manufacturing the same.
- An optical transceiver such as an optical transceiver includes each component and a case for storing the component.
- the component include a circuit board, a light receiving module, and a light emitting module.
- an optical transceiver is mounted on a board accommodated in a rack-like housing. Therefore, the outer shape of the case of the optical transmitter / receiver is limited, and the case is generally a flat plate shape.
- the outer size of the optical transceiver is defined by an industry standard called MSA (Multi-Source Agreement). Similarly, in order to realize the function defined by the MSA standard, the optical transmission / reception apparatus includes a large number of components.
- Patent Document 1 discloses an optical transmission module in which a circuit board, a light receiving module that receives an optical signal, and an optical transmission module that transmits an optical signal are directly fixed to a casing. (Optical transceiver) is disclosed. Thereby, the heat generated from the circuit board, the light receiving module, and the optical transmission module is radiated by the housing.
- Patent Document 2 Japanese Patent Laid-Open No. 2006-171398 discloses that a substrate is not fixed to a housing, a predetermined surface of an optical module is brought into contact with a predetermined surface of the housing, and an optical module is used. Is fixed to the housing. Heat generated from the optical module is dissipated through the housing.
- Patent Document 3 Japanese Patent Laying-Open No. 2008-203427 (hereinafter referred to as Patent Document 3) includes an optical assembly that stores an optical element that receives or emits an optical signal, and a circuit board that is electrically connected to the optical assembly.
- An optical module optical transceiver
- the optical assembly is disposed at a predetermined distance from the circuit board and is electrically connected to the circuit board.
- the optical assembly is housed in a case.
- An elastic member having heat dissipation is provided between the optical assembly and the case.
- the optical assembly is fixed to the case via an elastic member.
- the case includes an upper case and a lower case that are divided into upper and lower parts, and the optical assembly is fixed to the upper case via an elastic member.
- the circuit board is fixed to the upper case by screwing a screw into a screw hole of the board column. Heat generated from the optical assembly is dissipated through the upper case.
- optical transceivers have been implemented with high-density mounting of components with downsizing, large capacity, and high functionality.
- the number of components constituting the optical transmission / reception apparatus is large, so that higher-density mounting is required.
- it is also required to improve the heat dissipation efficiency of each component.
- the amount of heat generated by an electrical component of a digital signal processing unit such as an LSI is large, and it is desired to suppress the influence of heat from such an electrical component on the optical module.
- both the circuit board and the optical assembly are fixed to the upper case. Therefore, heat transmitted from the optical module to the upper case may be transmitted to the circuit board, or heat transmitted from the circuit board to the upper case may be transmitted to the optical module. For this reason, there is a possibility that the heat dissipation of the circuit board and / or the optical module is lowered.
- an optical transmission / reception apparatus and a method for manufacturing the same that can increase the heat dissipation of the circuit board and / or the optical module while securing the mounting area of the circuit board.
- An optical transmission / reception apparatus includes a case having a base and a cover, a circuit board, and an optical module.
- the circuit board is housed in a case and fixed to the base.
- the optical module is housed in a case, disposed on the side opposite to the base with respect to the circuit board, and fixed to the cover.
- An optical transceiver apparatus manufacturing method includes a step of fixing a circuit board to a base, a step of placing an optical module on the circuit board, a cover covering the base, and tightening a screw from the outside of the cover to tighten the optical module. Fixing to the cover side.
- the heat dissipation of the circuit board and the optical module can be improved while securing the mounting area of the circuit board.
- the present invention can be applied to all optical transceivers including a circuit board and an optical module.
- the optical transceiver includes a case for storing various components, a circuit board, and an optical module.
- FIG. 1 is a schematic plan view of the optical transceiver.
- FIG. 2 is a schematic plan view of the optical transceiver with the cover removed.
- the circuit board 1 and the optical module 3 are accommodated in a case.
- FIG. 3 is a side view showing the configuration in the vicinity of the circuit board 1 and the optical module 3.
- FIG. 4 is an exploded view showing the configuration in the vicinity of the circuit board 1 and the optical module 3.
- the case 30 has a base 7 and a cover 8.
- the circuit board 1 is fixed to the base 7 by a fixing member 19 such as a screw.
- Various electrical components corresponding to the function of the optical transceiver are mounted on the circuit board 1.
- the optical module 3 has, for example, a laser module and a peripheral circuit.
- the optical module 3 is disposed at a position closer to the cover 8 than the circuit board 1, and is disposed away from the circuit board 1.
- the optical module 3 is electrically connected to the circuit board 1 by, for example, a flexible wiring board 18. Specifically, the connector 11 provided on the flexible wiring board 18 and the connector 12 provided on the circuit board 1 are connected to each other.
- An optical fiber 14 extends from the optical module 3.
- the optical fiber 14 is connected to an optical fiber 16 extending from another optical module 15 by a splicer 17.
- the optical module 3 is fixed to the cover 8 via the plate 6.
- the optical module 3 is fixed to the plate 6 by a fixing member 4 such as a screw.
- the plate 6 is provided between the optical module 3 and the cover 8, and is directly fixed to the cover 8 with screws 10.
- a through hole 9 for fixing the plate 6 with screws 10 is formed in the cover 8.
- the plate 6 is provided with a screw hole 13 at a position corresponding to the through hole 9 of the cover 8.
- the optical module 3 is fixed to the cover 8 side via the plate 6.
- the optical module 3 may be directly fixed to the cover 8 with, for example, screws.
- the base 7 and the cover 8 are preferably made of metal from the viewpoint of heat dissipation. In order to improve heat dissipation, a plurality of grooves may be formed on the outer surface of the cover 8.
- the base 7 and the cover 8 have a function of radiating heat from the circuit board 1 and the optical module 3. In this embodiment, since the circuit board 1 is fixed to the base 7 side and the optical module 3 is fixed to the cover 8 side, both the circuit board 1 and the optical module 3 can be efficiently radiated.
- the circuit board 1 and the optical module 3 are separated from each other, and an air layer exists between the circuit board 1 and the optical module 3. By this air layer, it is also possible to suppress the influence of the heat generated from the electrical components mounted on the circuit board 1 on the optical module.
- an optical module having a light emitting function for example, a high-power laser module for long-distance transmission and a wavelength-tunable light source module, which generates a large amount of heat, is preferably provided apart from the circuit board 1.
- the optical module 3 and the circuit board 1 are arranged apart from each other in the vertical direction, it is not necessary to reduce the size of the circuit board 1 in order to secure a space for mounting the optical module 3. Therefore, the mounting area of the circuit board 1 can be ensured.
- the base 7, the cover 8, and the plate 6 are preferably made of metal.
- the plate 6 is preferably in contact with the cover 8 as shown in FIG.
- the circuit board 1 is preferably provided with a plurality of pins 2.
- two pins 2 are provided on the diagonal line of the circuit board 1.
- the number of pins 2 provided on the circuit board 1 may be three or more.
- the hole 5 is formed in the head of the fixing member 4 that fixes the optical module 3 and the plate 6 to each other.
- the hole 5 faces the pin 2 provided on the circuit board 1 and has a shape corresponding to the shape of the pin 2.
- the pin 2 is provided coaxially with the hole 5 and has a shape that can be inserted into and removed from the hole 5.
- the pin 2 and the hole 5 may have any shape such as a cylinder or a polygonal column. As will be described later, the pins 2 and the holes 5 are used for placing the optical module 3 on the circuit board 1 during the assembly of the optical transceiver.
- the circuit board 1 is fixed to the base 7.
- the circuit board 1 can be fixed to the base with, for example, screws 19.
- the circuit board 1 is preferably provided with pins 2.
- the optical module 3 is placed on the circuit board 1.
- the optical module 3 is preferably fixed to the plate 6 by the fixing member 4. 7 and 8 show a detailed example of a structure for positioning the optical module 3 with respect to the circuit board 1.
- the fixing member 4 that fixes the optical module 3 and the plate 6 has a head portion 21, a column portion 22, and a groove portion 23.
- the groove 23 is a spiral groove and is screwed into the screw hole of the plate 6.
- a hole 5 having a shape corresponding to the pin 2 provided on the circuit board 1 is formed in the head 21.
- the optical module 3 When the pin 2 on the circuit board 1 is fitted into the hole 5 of the head 21 of the fixing member 4, the optical module 3 is temporarily placed at a predetermined position on the circuit board 1 with the plate 6 facing upward. Placed. Thereby, the optical module 3 is positioned with respect to a direction parallel to one surface of the circuit board 1.
- the fixing member 4 that fixes the optical module 3 and the plate 6 to each other is used to place the optical module 3 on the circuit board 1, thereby reducing the number of components and securing the mounting area of the optical module 3.
- the member for fixing the optical module 3 and the plate 6 to each other may be provided separately from the member for placing the optical module 3 on the circuit board 1 as necessary.
- the optical module 3 is electrically connected to the circuit board 1. Specifically, the optical module 3 is electrically connected to the circuit board 1 by connecting the connector 11 provided on the flexible wiring board 18 to the connector 12 provided on the circuit board 1.
- the optical fiber 14 extending from the optical module 3 is routed on the circuit board 1. Thereby, the extra length processing of the optical fiber 14 extended from the optical module 3 is performed.
- another optical module 15 is provided on the base 7, and the optical fiber 14 extending from the optical module 3 and the optical fiber 16 extending from the other optical module 15 are mutually connected by the splicer 17. Connected.
- the optical fiber 14 may be routed before the optical module 3 is placed on the circuit board 1.
- the cover 8 is put on the base 7, and the optical module 3 is fixed to the cover 8 with the screws 10.
- screws 10 are inserted into the through holes 9 formed in the cover 8 and the screw holes 13 formed in the plate 6 from the outside of the cover 8, and the plate 6 is fixed to the cover 8 with the screws 10.
- the plate 6 and the optical module 3 fixed to the plate 6 are lifted from the circuit board 1 and separated from the circuit board 1.
- the optical module 3 is fixed to the cover 8 via the plate 6. It is preferable to tighten the screws 10 until the plate 6 contacts the inner surface of the cover 8. At this time, the pin 2 does not need to be completely removed from the hole 5.
- the optical fiber 14 can be routed easily and accurately by routing the optical fiber 14 with both the circuit board 1 and the optical module 3 placed on the base 7. .
- the optical fiber 14 When the optical fiber 14 is routed in a state where at least one of the circuit board 1 and the optical module 3 is fixed to the cover 8, the optical fiber 14 extends from the cover 8 to the base 7. Accordingly, when the cover 8 is put on the base 7, the optical fiber 14 may be displaced or bent. If the optical fiber 14 is bent beyond a predetermined bending radius, the optical characteristics may be deteriorated or broken. According to the manufacturing method of this embodiment, since the optical fiber 14 can be routed on the circuit board 1 fixed to the base 7, such a problem can be avoided.
- the circuit board 1 Since the optical module 3 and the circuit board 1 are electrically connected by a flexible wiring board, the circuit board 1 is fixed to the base 7 side on the one hand and the optical module 3 is fixed to the cover 8 side on the other hand. I could n’t think of it. However, in the manufacturing method of the present embodiment, the optical module 3 is finally lifted slightly to the cover 8 side and fixed to the cover 8 side. Thereby, the structure of fixing the circuit board 1 to the base 7 side and fixing the optical module 3 to the cover 8 side can be easily realized.
- FIG. 11 shows another structure for positioning the optical module with respect to the circuit board.
- a hole 102 is provided in the circuit board 1
- a pin 105 having a shape corresponding to the shape of the hole 102 is provided in the optical module 3.
- the optical module 3 can be placed at a predetermined position on the circuit board 1 by inserting the pin 105 into the hole 102.
- the pins 105 are preferably formed on the fixing member 4 that fixes the optical module 3 and the plate 6 to each other.
Abstract
Description
2 ピン
3 光モジュール
4 固定部材
5 穴部
6 プレート
7 ベース
8 カバー
9 貫通穴
10 ネジ
30 ケース
Claims (10)
- ベースおよびカバーを有するケースと、
前記ケースに収納され、前記ベースに固定された回路基板と、
前記ケースに収納され、前記回路基板に対して前記ベースとは反対側に配置された光モジュールと、を備え、
前記光モジュールは前記カバーに固定されている、光送受信装置。 - 前記回路基板と前記光モジュールの一方に設けられた穴部と、
前記回路基板と前記光モジュールの他方に、前記穴部と同軸に設けられ、前記穴部に挿抜可能に形成されたピンと、を有する、請求項1に記載の光送受信装置。 - 前記光モジュールと前記カバーの間に設けられ、前記光モジュールに固定されたプレートを有し、
前記プレートは、前記カバーの外側から挿入されたネジによって前記カバーに固定されている、請求項1または2に記載の光送受信装置。 - 前記ピンは前記回路基板に設けられており、
前記ピンに対応した形状の前記穴部が、前記光モジュールと前記プレートとを互いに固定する固定部材に形成されている、請求項3に記載の光送受信装置。 - 前記穴部は前記回路基板に設けられており、
前記穴部に対応した形状の前記ピンが、前記光モジュールと前記プレートとを互いに固定する固定部材に形成されている、請求項3に記載の光送受信装置。 - 前記光モジュールはフレキシブル配線板を介して前記回路基板と電気的に接続されている、請求項1から5のいずれか1項に記載の光送受信装置。
- 回路基板をベースに固定するステップと、
前記回路基板上に前記光モジュールを置くステップと、
カバーを前記ベースに被せ、前記カバーの外側からネジを締めることによって前記光モジュールを前記カバーに固定するステップと、を含む光送受信装置の製造方法。 - 前記光モジュールを前記カバーに固定するときに、前記ネジを回すことによって前記光モジュールを前記回路基板から引き上げる、請求項7に記載の光送受信装置の製造方法。
- 前記回路基板上に前記光モジュールを置く際、前記回路基板と前記光モジュールの一方に設けられたピンを、前記回路基板と前記光モジュールの他方に設けられた穴部に挿入して、前記光モジュールの位置決めをする、請求項7または8に記載の光送受信装置の製造方法。
- 前記回路基板上に前記光モジュールを置くステップと、前記光モジュールを前記カバーに固定するステップとの間に、前記光モジュールから延在する光ファイバを前記回路基板上で引き回す工程をさらに有する、請求項7から9のいずれか1項に記載の光送受信装置の製造方法。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/241,226 US20140205248A1 (en) | 2011-09-15 | 2012-09-14 | Optical transmitter/receiver apparatus and method of manufacturing same |
CN201280042870.4A CN103782211B (zh) | 2011-09-15 | 2012-09-14 | 光发送器/接收器设备及其制造方法 |
JP2013533734A JP5804071B2 (ja) | 2011-09-15 | 2012-09-14 | 光送受信装置及びその製造方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011202227 | 2011-09-15 | ||
JP2011-202227 | 2011-09-15 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013039209A1 true WO2013039209A1 (ja) | 2013-03-21 |
Family
ID=47883425
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2012/073643 WO2013039209A1 (ja) | 2011-09-15 | 2012-09-14 | 光送受信装置及びその製造方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140205248A1 (ja) |
JP (1) | JP5804071B2 (ja) |
CN (1) | CN103782211B (ja) |
WO (1) | WO2013039209A1 (ja) |
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CN105319656A (zh) * | 2014-07-14 | 2016-02-10 | 富士康(昆山)电脑接插件有限公司 | 具有散热结构的有源光组件 |
JP2016081060A (ja) * | 2014-10-10 | 2016-05-16 | 住友電気工業株式会社 | 光トランシーバ |
JP2016156916A (ja) * | 2015-02-24 | 2016-09-01 | 住友電気工業株式会社 | 光データリンク |
JP2019165128A (ja) * | 2018-03-20 | 2019-09-26 | 日本電気株式会社 | 光モジュールパッケージおよび光モジュールパッケージ実装方法 |
CN111338039A (zh) * | 2020-04-21 | 2020-06-26 | 青岛海信宽带多媒体技术有限公司 | 一种光模块 |
CN114911011A (zh) * | 2021-02-08 | 2022-08-16 | 青岛海信宽带多媒体技术有限公司 | 一种光模块 |
US11828991B2 (en) | 2019-03-15 | 2023-11-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical module |
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CN106856653B (zh) * | 2015-12-08 | 2023-11-03 | 华为技术有限公司 | 一种射频拉远装置及其部件 |
JP6791470B2 (ja) * | 2016-06-21 | 2020-11-25 | 住友電工デバイス・イノベーション株式会社 | 光トランシーバ |
CN112262334B (zh) * | 2018-06-19 | 2022-10-11 | 日本电气株式会社 | 光收发器 |
CN117369066A (zh) * | 2021-11-12 | 2024-01-09 | 青岛海信宽带多媒体技术有限公司 | 一种光模块 |
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2012
- 2012-09-14 WO PCT/JP2012/073643 patent/WO2013039209A1/ja active Application Filing
- 2012-09-14 US US14/241,226 patent/US20140205248A1/en not_active Abandoned
- 2012-09-14 JP JP2013533734A patent/JP5804071B2/ja active Active
- 2012-09-14 CN CN201280042870.4A patent/CN103782211B/zh not_active Expired - Fee Related
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JP2019165128A (ja) * | 2018-03-20 | 2019-09-26 | 日本電気株式会社 | 光モジュールパッケージおよび光モジュールパッケージ実装方法 |
JP7187790B2 (ja) | 2018-03-20 | 2022-12-13 | 日本電気株式会社 | 光モジュールパッケージおよび光モジュールパッケージ実装方法 |
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Also Published As
Publication number | Publication date |
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JPWO2013039209A1 (ja) | 2015-03-26 |
CN103782211A (zh) | 2014-05-07 |
JP5804071B2 (ja) | 2015-11-04 |
US20140205248A1 (en) | 2014-07-24 |
CN103782211B (zh) | 2015-12-02 |
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