CN202735551U - Mini optical transceiver - Google Patents
Mini optical transceiver Download PDFInfo
- Publication number
- CN202735551U CN202735551U CN 201220397125 CN201220397125U CN202735551U CN 202735551 U CN202735551 U CN 202735551U CN 201220397125 CN201220397125 CN 201220397125 CN 201220397125 U CN201220397125 U CN 201220397125U CN 202735551 U CN202735551 U CN 202735551U
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- secondary module
- optical transceiver
- rigid
- light
- module
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Abstract
The utility model relates to a mini optical transceiver which comprises a base, a rigid flexible printed circuit board, a light emission sub module and a light reception sub module. The rigid flexible printed circuit board is bent to form an optical device area with the base, and the light emission sub module and the light reception sub module are installed in the optical device area. Due to the rigid flexible printed circuit board, the optical transceiver changes a traditional plane design concept, expands to three-dimensional space concept, utilizes available space in a maximum mode, reduces occupancy and achieves mini design. In addition, the optical device area enables a module to be compact in structure. Thus, the size and the weight of the module are greatly reduced. The mini optical transceiver is convenient to install and use and facilitates system integration.
Description
Technical field
The utility model relates to a kind of photoelectricity communication field, relates in particular to a kind of miniature optical transceiver.
Background technology
Existing optical transceiver module generally adopts rigid circuit board to make, although laser instrument and detector can be selected light emission secondary module and the light-receiving secondary module of small volume, but because rigid circuit board physical characteristics restriction, so that the design of module can not jumped the limitation of conventional planar formula design, the volume and weight of module can not get effectively reducing.
Yet under electronic product modularization and integrated trend, traditional optical transceiver module can not satisfy the integrated requirement of the miniaturization of products and system.
The utility model content
In view of this, be necessary to provide a kind of optical transceiver module of microminiaturization.
The utility model is achieved through the following technical solutions:
A kind of miniature optical transceiver comprises base, rigid-flex combined board, light emission secondary module, light-receiving secondary module, and the rigid-flex combined board bending forms the optical device district with base, and light emission secondary module, light-receiving secondary module are installed in the optical device district.
Described miniature optical transceiver also comprises fixed card, and light emission secondary module, light-receiving secondary module are fixed on the base by fixed card.
One end of described rigid-flex combined board is provided with the screens terminal, and base is provided with the screens groove, and the screens terminal snaps in the screens groove, an other end of rigid-flex combined board and base by position guiding groove be connected a post and be connected.
Described rigid-flex combined board is provided with the installation via hole of light emission secondary module and light-receiving secondary module, and light emission secondary module and light-receiving secondary module are welded on to be installed on the via hole.
Described miniature optical transceiver also comprises case, and case is stuck on the base.
The beneficial effects of the utility model are:
Rigid-flex combined board described in the utility model has rigid layer and flexible layers concurrently, is a kind of multilayer board.Typically (four layers) are rigid-flexible has polyimide nuclear in conjunction with printed circuit board (PCB), and its upper and lower surface has and covering Copper Foil.The external rigidity layer is comprised of the FR4 of single face, and they are laminated into the two sides of flexible nuclear, is assembled into the PCB of multilayer.When making the multilayered rigidity and flexibility board, the processing technology of flexible layers is completely different with outside FR4 layer again.The every aspect of being made by different materials must flock together by lamination, and then holes, electroplates.The rigid-flex combined board utilization be interconnecting of flex substrate, rather than the connection device of a plurality of PCB, Here it is reduces the key that takes up room and reduce weight, this just a lot of designing institutes need.Rigid-flex combined board has changed the design concept of traditional plane formula, expand 3 three-dimensional dimension space concepts to, have flexible, folding characteristics, therefore can be used for the custom circuit of making, utilize substantially free space, reduce the shared space of whole system.
Smooth emission secondary module described in the utility model (Transmitter Optical Subassembly, abbreviation TOSA) is a kind of of optical secondary module.Part at first of heap of stone brilliant be with gallium arsenide (GaAs), indium phosphide (InP), InGaAsP (InGaAs) etc. as luminous and inspection luminescent material, utilize organic metal vapour deposition process (Metal-Organic Chemical Vapor Deposition; MOCVD) etc. mode is made wafer of heap of stone.In the chip processing procedure, then will build wafer, make laser diode.With laser diode, the assemblies such as collocation filter, crown cap are packaged into TO can(Transmitter Outline can subsequently), again with assemblies such as this TO can and porcelain bushings, be packaged into optical secondary module (OSA).The electronics secondary module (ESA) of arranging in pairs or groups again at last, electronics secondary module inside comprise and transmit and receive two drive IC, in order to drive laser diode and inspection optical diode, so in conjunction with namely forming light emission secondary module (TOSA).According to the difference of the electronics secondary module of arranging in pairs or groups, optical secondary module can be subdivided into again light emission secondary module (Transmitter Optical Subassembly; TOSA) with light-receiving secondary module (Receiver Optical Subassembly, abbreviation ROSA).
Miniature optical transceiver described in the utility model comprises base, rigid-flex combined board, light emission secondary module, light-receiving secondary module, and the rigid-flex combined board bending forms the optical device district with base, and light emission secondary module, light-receiving secondary module are installed in the optical device district.Owing to adopted rigid-flex combined board, so that the optical transceiver of making has changed the design concept of traditional plane formula, expand 3 three-dimensional dimension space concepts to, utilize substantially free space, reduce the shared space of optical transceiver, realized miniaturized design.In addition, form the optical device district, so that the structure of module is very compact, greatly dwindled the volume and weight of module, and easy to install, be convenient to the integrated of system.
Miniature optical transceiver described in the utility model also comprises fixed card, and light emission secondary module, light-receiving secondary module are fixed on the base by fixed card.Light emission secondary module, light-receiving secondary module are fixed on, have made things convenient for the installation of rigid-flex combined board.
One end of rigid-flex combined board described in the utility model is provided with the screens terminal, and base is provided with the screens groove, and the screens terminal snaps in the screens groove, an other end of rigid-flex combined board and base by position guiding groove be connected a post and be connected.Simple in structure by this connected mode, cost is lower.
Rigid-flex combined board described in the utility model is provided with the installation via hole of light emission secondary module and light-receiving secondary module, and light emission secondary module and light-receiving secondary module are welded on to be installed on the via hole.Be welded and fixed to install and realize simply, and realize easily and extraneous being connected.
In addition, miniature optical transceiver described in the utility model also comprises case, and case is stuck on the base.So that this optical transceiver has excellent mechanical property and environmental adaptability.
Description of drawings
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the structural representation of the rigid-flex combined board of the utility model optical transceiver;
Fig. 2 is the TOSA of the utility model optical transceiver and the structural representation of ROSA;
Fig. 3 is the perspective view of the utility model optical transceiver
Fig. 4 is the cut-open view of Fig. 3;
The whole structure figure of Fig. 5 the utility model optical transceiver.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail:
Embodiment one:
See also Fig. 1, Fig. 2, Fig. 3 and described in the utility model miniature optical transceiver shown in Figure 4, comprise base 11, rigid-flex combined board 12, light emission secondary module (TOSA) 13, light-receiving secondary module (ROSA) 14, fixed card 16, rigid-flex combined board 12 bendings form optical device district 15 with base 11, and light emission secondary module 13, light-receiving secondary module 14 are installed in the optical device district 15.Light emission secondary module 13, light-receiving secondary module 14 are fixed on the base 11 by fixed card 16.
Described base 11 is metab.
One end of described rigid-flex combined board 12 is provided with screens terminal 121, and an other end is provided with position guiding groove 122.Being provided with screens groove 111 and leading a post 112 of base 11 correspondences, screens terminal 121 snaps in the screens groove 111, leads a post 112 and is stuck in the position guiding groove 122.The screens terminal 121 of rigid-flex combined board 12 is packed in the screens groove 111 of metab, crooked rigid-flex combined board, and two position guiding grooves 122 of rigid-flex combined board are stuck in two of metab lead a post 112 bottoms, crooked rigid-flex combined board 12 forms optical device districts 15 with metab 11.This rigid-flex combined board 12 also is provided with the installation via hole 123 of light emission secondary module 13 and light-receiving secondary module 14, and light emission secondary module 13 is welded on light-receiving secondary module 14 and installs on the via hole 123, realizes fixing.
Described smooth emission secondary module (TOSA) 13 and light-receiving secondary module (ROSA) 14, put into metab 11, make two grooves (figure does not look) of fixed card 16 tightly block light emission secondary module (TOSA) 13 and light-receiving secondary module (ROSA) 14, the top fixed card of fixed card 16 is between two reference columns and inwall of metab 11, keep fixed card 16 to maintain static, the fastening clubfoot of fixed card 16 is bent to fixing so that fixed card tightly is fixed on TOSA and ROSA on the metab 11.
Miniature optical transceiver described in the utility model also comprises case 17, and case 17 is stuck on the base 11.This case 17 is the metal case, so that this optical transceiver has excellent mechanical property and environmental adaptability.
The preparation method of miniature optical transceiver module described in the utility model comprises:
Step 1 chooses fixed card 16 and metal case 17 is for subsequent use;
Step 2 is chosen TOSA and ROSA, put it into respectively in corresponding two mounting holes of metab 11, and rotation adjusts TOSA and ROSA, makes the position of its pin and the corresponding installation via hole 123(pad of rigid-flex combined board 12) position is corresponding;
Step 3 is inserted fixed card for subsequent use in the middle of the interface of TOSA and ROSA, make two grooves of fixed card tightly block TOSA and ROSA, the top fixed card of fixed card is between two reference columns and inwall of metab, keep fixed card 16 to maintain static, the fastening clubfoot of fixed card 16 is bent to fixing so that fixed card tightly is fixed on TOSA and ROSA on the metab 11;
Step 4 is installed in the screens terminal 121 of rigid-flex combined board 12 respectively 111 li in the screens hole of metab 11, a fixing end of rigid-flex combined board, crooked rigid-flex combined board slowly, and the pin that makes TOSA and ROSA passes respectively the corresponding via holes 123 of installing of rigid-flex combined board 12, props up the root that metab is led a post 112 fully to the position guiding groove 122 of rigid-flex combined board 122;
Step 5 utilizes electric soldering iron that each pin of TOSA and ROSA and rigid-flex combined board 12 corresponding installation via holes 123 are welded together, and cools off after 1 ~ 2 minute, utilizes diagonal cutting pliers that TOSA and each pin redundance of ROSA are wiped out;
Step 6 is installed metal case 17 from top to bottom, ends with two positioning table sub-connections of metab 11 respectively to two pilot holes of metal case 17;
Step 7 keeps under the prerequisite of two positioning table sub-connections of two pilot holes of metal case 17 and metab 11, the position of fine setting metal case, being alignd with two mounting grooves of metab respectively in the position of two installation feet of metal case, aligns with two screens grooves of metab 11 respectively in the position of two screens pin of metal case 17;
Step 8 fixing metal case 17, respectively two installation feet of metal case 17 are bent in two mounting grooves of metab 11 and chucking, with two screens pin of metal case 17 respectively curved in two screens grooves of metab 11 until prop up metab.Produce miniature optical transceiver module described in the utility model.
Miniature optical transceiver module described in the utility model is owing to adopt the bendable folding endurance of rigid-flex combined board 12, so that light emission secondary module (TOSA) 13 and light-receiving secondary module (ROSA) 14 can be installed in the optical device district 15 that forms after metab 11 bends with rigid-flex combined board 12, and light emission secondary module (TOSA) 13 and light-receiving secondary module (ROSA) 14 by being welded to connect, have realized the integrated of TOSA, ROSA and rigid-flex combined board with rigid-flex combined board 12.Utilize simultaneously fixed card 16 that TOSA and ROSA are fixed on the metab 11, rigid-flex combined board 12 is connected with metab and is led a post and be connected with position guiding groove, at last, fix by metal case 17 again, successfully realized the integrated and compact designed of optical transceiver module.
In addition, the technical parameter of the rigid-flex combined board 12 of miniature optical transceiver described in the utility model is as follows: a specific example is that dimensions is 22.3mm * 13.0mm * 0.75mm; The technical parameter of light emission secondary module (TOSA) 13 is as follows: Po 〉=1mW@Iop=30mA; The technical parameter of light-receiving secondary module (ROSA) 14 is as follows: Sensitivity≤-17dBm@λ=1310nm, 4.25Gbps, BER=1E-12; So, so that this miniature optical transceiver can reach the transfer rate of 4.25Gbps, Output optical power can reach more than the 1mW, and transmission range can reach thousands of rice, is expected to obtain widespread use in optical fiber communication and various high speed optoelectronic transmission system.
Claims (5)
1. miniature optical transceiver is characterized in that: comprise base, rigid-flex combined board, light emission secondary module, light-receiving secondary module, the rigid-flex combined board bending forms the optical device district with base, and light emission secondary module, light-receiving secondary module are installed in the optical device district.
2. miniature optical transceiver as claimed in claim 1, it is characterized in that: described miniature optical transceiver also comprises fixed card, light emission secondary module, light-receiving secondary module are fixed on the base by fixed card.
3. miniature optical transceiver as claimed in claim 2, it is characterized in that: an end of described rigid-flex combined board is provided with the screens terminal, base is provided with the screens groove, and the screens terminal snaps in the screens groove, an other end of rigid-flex combined board and base by position guiding groove be connected a post and be connected.
4. such as the described miniature optical transceiver of claims 1 to 3 any one, it is characterized in that: described rigid-flex combined board is provided with the installation via hole of light emission secondary module and light-receiving secondary module, and light emission secondary module and light-receiving secondary module are welded on to be installed on the via hole.
5. miniature optical transceiver as claimed in claim 4, it is characterized in that: described miniature optical transceiver also comprises case, and case is stuck on the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397125 CN202735551U (en) | 2012-08-11 | 2012-08-11 | Mini optical transceiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220397125 CN202735551U (en) | 2012-08-11 | 2012-08-11 | Mini optical transceiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202735551U true CN202735551U (en) | 2013-02-13 |
Family
ID=47661236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220397125 Expired - Lifetime CN202735551U (en) | 2012-08-11 | 2012-08-11 | Mini optical transceiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202735551U (en) |
-
2012
- 2012-08-11 CN CN 201220397125 patent/CN202735551U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130213 |