CN102759780A - Csfp optical transceiver module - Google Patents
Csfp optical transceiver module Download PDFInfo
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- CN102759780A CN102759780A CN2012102292306A CN201210229230A CN102759780A CN 102759780 A CN102759780 A CN 102759780A CN 2012102292306 A CN2012102292306 A CN 2012102292306A CN 201210229230 A CN201210229230 A CN 201210229230A CN 102759780 A CN102759780 A CN 102759780A
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- mainboard
- main board
- flexible pcb
- flexible circuit
- transceiver module
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Abstract
The invention discloses a CSFP optical transceiver module, which includes a main board, a first bidirectional transceiver, a second bidirectional transceiver, a first flexible circuit board and a second flexible circuit board, wherein the main board is provided with a main board top layer and a main board bottom layer; one end part of the main board top layer is provided with a first bonding pad, the main board is connected with one end of the second flexible circuit board through the first bonding pad, and the other end of the second flexible circuit board is connected with the second bidirectional transceiver; and one end part of the main board bottom layer is provided with a second bonding pad, the main board is connected with one end of the first flexible circuit board through the second bonding pad, and the other end of the first flexible circuit board is connected with the first bidirectional transceiver. According to the CSFP optical transceiver module, the main board is connected with the two bidirectional transceiver directly through the flexible circuit boards, thereby simplifying the manufacturing process, improving the production efficiency, and reducing the design and manufacturing costs; welding points are reduced in the manufacturing process, so that failure caused by insufficient welding is avoided, and the stability and reliability of products are greatly improved.
Description
Technical field
The present invention relates to a kind of CSFP (Compact SFP, the hot-swappable light transmitting-receiving of compact miniaturization unification module is hereinafter to be referred as the CSFP optical module) optical module, be mainly used in fiber optic communication field, relevant with the Access Network physical interface.
Background technology
Optical transceiver module is the important component part of Networks of Fiber Communications, and its Core Feature is that the opto-electronic conversion interface is provided between various transmission networks.Along with the rise and the further demand low-cost to the optical module product, high link capacity of a series of hot spot application such as Fiber to the home, the CSFP optical module arises at the historic moment.The CSFP optical module has reduced the physical dimension of optical module and communication system equipment significantly, when promoting port density and information throughput at double, has also reduced system cost, and commercial value is huge.The CSFP optical module, in the package dimension of a SFP optical module, integrated two-way single fiber bi-directional transmitting-receiving ability that is to say that compare with conventional SFP optical module, port density promotes one times.
CSFP optical module structure member in the market mainly comprises bidirectional transmit-receive device, mainboard, subplate and flexible PCB.In this CSFP optical module structure, the bidirectional transmit-receive device mainly is used for receiving and the transmission light signal, and subplate is connected with the mainboard of horizontal positioned after assembling with the bidirectional transmit-receive device respectively again, and flexible PCB mainly is used for guaranteeing effective connection of signal transmission link.There is following problem in the CSFP optical module of this structure on design and production technology:
1, existing structure all has subplate, has increased assembling procedure during actual production, has strengthened process complexity;
2, existing structure all has subplate, has caused the raw materials cost rising;
3, between existing mainboard and the subplate no matter directly to be connected or to use mode such as flexible PCB to connect, the quality of welding all can impact the transmission of high speed signal, can make the photoelectric properties of product, the reliability reduction.
Summary of the invention
In view of this; The technical matters that the present invention will solve is: a kind of CSFP optical transceiver module is provided; Comprise mainboard, first, second bidirectional transmit-receive device and first, second flexible PCB, said mainboard has mainboard top layer and mainboard bottom, has first pad in an end of this mainboard top layer; Link to each other with an end of said second flexible PCB through this first pad, the other end of this second flexible PCB links to each other with the second bidirectional transmit-receive device; End at said mainboard bottom has second pad, links to each other with an end of said first flexible PCB through this second pad, and the other end of this first flexible PCB links to each other with the said first bidirectional transmit-receive device.
Further: first pad of said mainboard top layer is provided with 12, wherein has 10 to come into line side by side.
Further: second pad of said mainboard bottom is provided with 12, wherein has 10 to come into line side by side.
Further: the structure of the said first bidirectional transmit-receive device, the second bidirectional transmit-receive device is identical, and is pros and cons placement straggly respectively with after first flexible PCB, second flexible PCB are connected.
The technique effect that the present invention reaches is: the traditional subplate structure of CSFP optical transceiver module cancellation of the present invention, and for key element is omitted invention.Adopt mainboard directly to be connected with two bidirectional transmit-receive devices, simplified manufacturing process, enhance productivity, reduced design and production cost with flexible PCB; Number of welds reduces in the manufacturing process, has avoided the inefficacy that causes because of rosin joint, and the stability and the reliability of product improve greatly.
Description of drawings
Fig. 1 is existing known typical CSFP optical module structure;
Fig. 2 is the top surface structure synoptic diagram of CSFP optical transceiver module of the present invention;
Fig. 3 is the bottom surface structural representation of CSFP optical transceiver module of the present invention;
Fig. 4 is the top level structure synoptic diagram of mainboard;
Fig. 5 is the bottom surface structural representation of mainboard;
Fig. 6 is the structural representation of first flexible PCB;
Fig. 7 is the structural representation of second flexible PCB.
Embodiment
As shown in Figure 1, be existing known typical CSFP optical module structure, from figure, can see, outside flexible PCB (2b and 2d) and the mainboard (2g), also having two subplates (2e and 2f) structure in the structure except bilateral device (2a and 2c).
Fig. 2-shown in Figure 7; Be a kind of CSFP optical transceiver module of the present invention; Comprise mainboard 5, the first bidirectional transmit-receive device 1, the second bidirectional transmit-receive device 2 and first flexible PCB 3, second flexible PCB 4, mainboard 1 has mainboard top layer 5-1 and mainboard bottom 5-2, has the first pad 5-3 in the end of mainboard top layer 5-1; Link to each other with an end of second flexible PCB 4 through this first pad 5-3, the other end of second flexible PCB 4 links to each other with the second bidirectional transmit-receive device 2; Have the second pad 5-4 in the end of mainboard bottom 5-2, link to each other with an end of first flexible PCB 3 through this second pad 5-4, the other end of first flexible PCB 3 links to each other with the first bidirectional transmit-receive device 1.First, second pad at mainboard top layer 5-1 and bottom mainboard 5-2 respectively is provided with 12, has 10 to come into line side by side in first, second pad, plays electric connection; Other 2 are only the strength of joint of strengthening with mainboard; In addition, also can be according to actual requirement of engineering, adjustment quantity.Second flexible PCB 4 is a little slightly long compared to first flexible PCB 3.
The first bidirectional transmit-receive device 1, the second bidirectional transmit-receive device 2 are pros and cons placement straggly with first flexible PCB 3, second flexible PCB 4 after being connected respectively.These two device architectures are just the same, can accomplish the reception and the emission of signal simultaneously, and the two-way autonomous channel under realization and the same physical dimension of SFP optical module doubles port utilization ratio.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (4)
1. CSFP optical transceiver module; Comprise mainboard, first, second bidirectional transmit-receive device and first, second flexible PCB; It is characterized in that: said mainboard has mainboard top layer and mainboard bottom; End at this mainboard top layer has first pad, links to each other with an end of said second flexible PCB through this first pad, and the other end of this second flexible PCB links to each other with the second bidirectional transmit-receive device; End at said mainboard bottom has second pad, links to each other with an end of said first flexible PCB through this second pad, and the other end of this first flexible PCB links to each other with the said first bidirectional transmit-receive device.
2. CSFP optical transceiver module according to claim 1 is characterized in that: first pad of said mainboard top layer is provided with 12, wherein has 10 to come into line side by side.
3. CSFP optical transceiver module according to claim 1 is characterized in that: second pad of said mainboard bottom is provided with 12, wherein has 10 to come into line side by side.
4. CSFP optical transceiver module according to claim 1; It is characterized in that: the structure of the said first bidirectional transmit-receive device, the second bidirectional transmit-receive device is identical, and is pros and cons placement straggly respectively with after first flexible PCB, second flexible PCB are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102292306A CN102759780A (en) | 2012-07-04 | 2012-07-04 | Csfp optical transceiver module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012102292306A CN102759780A (en) | 2012-07-04 | 2012-07-04 | Csfp optical transceiver module |
Publications (1)
| Publication Number | Publication Date |
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| CN102759780A true CN102759780A (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012102292306A Pending CN102759780A (en) | 2012-07-04 | 2012-07-04 | Csfp optical transceiver module |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516064A (en) * | 2013-09-26 | 2015-04-15 | Jds尤尼弗思公司 | OSA cage with reinforced PCB connector |
| CN111327363A (en) * | 2020-02-24 | 2020-06-23 | 成都优博创通信技术股份有限公司 | 2 × 10G DSFP Pigtail transceiver optical module |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070058980A1 (en) * | 2005-08-03 | 2007-03-15 | Hirotoshi Hidaka | Optical transceiver suppressing radiation noise form transmitter to receiver |
| US7562804B2 (en) * | 2004-02-27 | 2009-07-21 | Finisar Corporation | Methods for manufacturing optical modules using lead frame connectors |
| JP2010109173A (en) * | 2008-10-30 | 2010-05-13 | Mitsubishi Electric Corp | Optical transmitter-receiver, optical transmitter and optical receiver |
| CN202033497U (en) * | 2011-03-31 | 2011-11-09 | 索尔思光电（成都）有限公司 | CSFP optical transceiver module |
-
2012
- 2012-07-04 CN CN2012102292306A patent/CN102759780A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7562804B2 (en) * | 2004-02-27 | 2009-07-21 | Finisar Corporation | Methods for manufacturing optical modules using lead frame connectors |
| US20070058980A1 (en) * | 2005-08-03 | 2007-03-15 | Hirotoshi Hidaka | Optical transceiver suppressing radiation noise form transmitter to receiver |
| JP2010109173A (en) * | 2008-10-30 | 2010-05-13 | Mitsubishi Electric Corp | Optical transmitter-receiver, optical transmitter and optical receiver |
| CN202033497U (en) * | 2011-03-31 | 2011-11-09 | 索尔思光电（成都）有限公司 | CSFP optical transceiver module |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104516064A (en) * | 2013-09-26 | 2015-04-15 | Jds尤尼弗思公司 | OSA cage with reinforced PCB connector |
| CN104516064B (en) * | 2013-09-26 | 2017-11-17 | 朗美通运营有限责任公司 | The OSA cages and transceiver of PCB connectors with reinforcement |
| CN111327363A (en) * | 2020-02-24 | 2020-06-23 | 成都优博创通信技术股份有限公司 | 2 × 10G DSFP Pigtail transceiver optical module |
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Application publication date: 20121031 |