CN108196345A - A kind of optical secondary module and optical module - Google Patents
A kind of optical secondary module and optical module Download PDFInfo
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- CN108196345A CN108196345A CN201711269604.6A CN201711269604A CN108196345A CN 108196345 A CN108196345 A CN 108196345A CN 201711269604 A CN201711269604 A CN 201711269604A CN 108196345 A CN108196345 A CN 108196345A
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- fpc
- region
- transmitting terminal
- terminal routing
- secondary module
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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
- 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
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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
- G02B6/4274—Electrical aspects
- G02B6/4277—Protection against electromagnetic interference [EMI], e.g. shielding means
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Optical Couplings Of Light Guides (AREA)
Abstract
The present invention relates to optical communication fields, disclose a kind of optical secondary module and optical module：The phenomenon that for solving the problem of to be susceptible to electrical crosstalk in current packaged type and no effective solution.In optical secondary module of the embodiment of the present invention, the plane of flattening distribution Chong Die with the plane of flattening of the 2nd FPC of first FPC, first FPC receiving terminal routing regions and the 2nd FPC transmitting terminal routing regions are stretched to by the opening in the housing, and then it is connect with the optoelectronic transceiver functional unit, interval insulant is equipped between the first FPC routings region and the 2nd FPC routings region, so that the first FPC routings region is electrically isolated with the 2nd FPC routings region, the signal interference between the first FPC and the 2nd FPC is avoided.
Description
Technical field
The present invention relates to technical field of photo communication, more particularly to a kind of optical secondary module and optical module.
Background technology
Optical module is made of opto-electronic device, functional circuit and optical interface etc., and wherein opto-electronic device includes light
Two parts of transmitting and reception.The effect of optical module is exactly to realize opto-electronic conversion in simple terms.In distant signal transmission process
In, when the transmitting terminal of electric signal transmission to optical module, electric signal can be converted into optical signal, and optical signal is passed by optical fiber
The defeated optical module to opposite end；After optical module receiving terminal receives the optical signal of other optical modules by optical fiber, optical signal is converted
Into electric signal, the remote transmission of signal can be achieved in this way.
Also there are many kinds of mode classifications for optical module.Common optical module has SFP (the light transmit-receive integrated moulds of small form factor pluggable
Block) optical module, SPF+ (upgrade version of the small form factor pluggable integrated module of optical transceiver) optical module, (10 kilomegabits are small-sized can by GBIC
Plug-in element) optical module, XFP (10 kilomegabit small pluggable element) optical module etc..
In use, it needs optical module being packaged processing, realizes the company between inside chip and external circuit
It connects.It is that transmitting terminal and receiving terminal are packaged in an inside cavity simultaneously in existing light module package scheme, because of transmitting terminal
Power be far longer than receiving terminal, and wiring is adjacent to each other, so extremely easily occurring the problem of circuit crosstalk.In order to
It solves the problems, such as circuit crosstalk, is generally a piece ground wire of insertion between two more serious signal lines of crosstalk by the way of,
Reduce the coupling between two lines, and then reduce the crosstalk between signal wire, but the effect that this method obtains is excessively poor.
In conclusion the phenomenon that being susceptible to electrical crosstalk in current packaged type, and without effective solution.
Invention content
The embodiment of the present invention provides a kind of optical secondary module and optical module, for solving in current packaged type easily
There is the phenomenon that electrical crosstalk, and the problem of no effective solution.
The embodiment of the present invention provides a kind of optical secondary module, which includes the housing with opening, adagio group
Part and the optoelectronic transceiver functional unit being installed in the housing；
The adagio component include the first flexible PCB FPC and the 2nd FPC, the plane of flattening of the first FPC with it is described
The plane of flattening overlapping distribution of 2nd FPC；
The first FPC routings region and the 2nd FPC routings region are stretched to by the opening in the housing,
And then it is connect with the optoelectronic transceiver functional unit；
There is the interval insulant realized and be electrically isolated between the first FPC routings region and the 2nd FPC routings region.
The embodiment of the present invention provides a kind of optical module, including such as claim 1-9 any one of them optical secondary module.
In optical secondary module of the embodiment of the present invention, the plane of flattening distribution Chong Die with the plane of flattening of the 2nd FPC of the first FPC, the
One FPC receiving terminal routing regions and the 2nd FPC transmitting terminal routing regions are stretched to by the opening in the housing, Jin Eryu
The optoelectronic transceiver functional unit connection, is equipped with interval insulant between the first FPC routings region and the 2nd FPC routings region,
So that the first FPC routings region is electrically isolated with the 2nd FPC routings region, the signal between the first FPC and the 2nd FPC is avoided to do
It disturbs.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly introduced, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for this
For the those of ordinary skill in field, without having to pay creative labor, it can also be obtained according to these attached drawings
His attached drawing.
Fig. 1 is the composition structure diagram of optical secondary module of the embodiment of the present invention；
Fig. 2 is the side view of adagio component of the embodiment of the present invention；
Fig. 3 is adagio of embodiment of the present invention upper strata schematic diagram；
Fig. 4 is adagio superstructure schematic diagram of the embodiment of the present invention；
Fig. 5 is double layers table scalariform FPC structure schematic side views of the embodiment of the present invention；
Fig. 6 is that the embodiment of the present invention realizes the schematic diagram being in staggered distribution between signal wire and DC lines；
Fig. 7 A realize that signal wire and DC lines are in staggered distribution schematic diagram for the first FPC of the embodiment of the present invention；
Fig. 7 B realize that signal wire and DC lines are in staggered distribution schematic diagram for the 2nd FPC of the embodiment of the present invention；
Fig. 8 A realize that signal wire and DC lines are in staggered distribution schematic diagram for first FPC of another kind of the embodiment of the present invention；
Fig. 8 B realize that signal wire and DC lines are in staggered distribution schematic diagram for 2nd FPC of another kind of the embodiment of the present invention；
Fig. 9 is the double-deck independent step-like structure schematic diagram of the embodiment of the present invention；
Figure 10 is double layers table scalariform independence FPC structure upper schematic diagrams of the embodiment of the present invention；
Figure 11 regards laminated construction schematic diagram for double layers table scalariform independence FPC of embodiment of the present invention structure sides.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention is made below in conjunction with attached drawing into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without making creative work
All other embodiment, shall fall within the protection scope of the present invention.
It please refers to Fig.1 to Fig. 5, wherein, Fig. 1 is the composition structure diagram of optical secondary module of the embodiment of the present invention, and Fig. 2 is
The side view of adagio of embodiment of the present invention component 12, Fig. 3 are adagio of embodiment of the present invention upper strata schematic diagram, and Fig. 4 is real for the present invention
An adagio superstructure schematic diagram is applied, Fig. 5 is double layers table scalariform FPC structure schematic side views of the embodiment of the present invention.
As shown in Figure 1, the present invention provides a kind of optical secondary module, the optical secondary module include the housing 10 with opening,
Adagio component 12 and the optoelectronic transceiver functional unit 11 (as shown in Figure 2) being installed in the housing；
The adagio component includes the first flexible PCB FPC123 and the 2nd FPC122, the extension of the first FPC123
Face distribution Chong Die with the plane of flattening of the 2nd FPC122；
The first FPC123 routings region and the 2nd FPC122 routings region stretch to institute by the opening 101
It states in housing 10, and then is connect with the optoelectronic transceiver functional unit 11；
With between realization electric isolution between the first FPC123 routings region and the 2nd FPC122 routings region
Barrier material 121.
It should be noted that the shape of the adagio component 12 in Fig. 1 is unfixed, it can be according to the more of concrete signal line
It is few, etc. actual conditions determine the shape of adagio component 12.
In optical secondary module of the embodiment of the present invention, the plane of flattening distribution Chong Die with the plane of flattening of the 2nd FPC of the first FPC, the
One FPC receiving terminal routing regions and the 2nd FPC transmitting terminal routing regions are stretched to by the opening in the housing, Jin Eryu
The optoelectronic transceiver functional unit connection, is equipped with interval insulant between the first FPC routings region and the 2nd FPC routings region,
So that the first FPC routings region is electrically isolated with the 2nd FPC routings region, the signal between the first FPC and the 2nd FPC is avoided to do
It disturbs.
Also, as shown in Fig. 2, optoelectronic transceiver functional unit 11 includes photoelectric sender part 112 and photoelectric receiving device
111, since the first FPC123 and the 2nd FPC122 is mutually overlapping, in order to realize that the area that adagio component 12 occupies is small, and then makes
It is small to obtain device overall dimensions；And the first is formed with external series gap between FPC123 and the 2nd FPC122, can prevent photoelectricity from sending
Signal cross-talk between device 112 and photoelectric receiving device 111, so as to further reduce letter when optical module works between circuit
Number crosstalk.
Optionally, the first FPC123 is equipped with notch, and the transmitting terminal routing region is set to the notch and exists
In the region of the orthographic projection covering of 2nd FPC122.
In Fig. 9 at dotted line frame C, indication notch；And the routing region of transmitting terminal and the first FPC123 on the 2nd FPC122
The routing region of upper receiving terminal is to be in staggered distribution, and effectively avoids the crosstalk between signal wire.
Optionally, the notch is set to the edge of the first FPC123, and the transmitting terminal routing region with it is described
First FPC123 cooperatively forms step-like structure.
As shown in figure 9, Fig. 9 is the double-deck independent step-like structure schematic diagram of the embodiment of the present invention, it can in dotted line frame C from figure
To find out：Step-like structure is cooperatively formed between first FPC123 and the 2nd FPC122, in the first FPC123 and the 2nd FPC122
The position of formation step-like structure is different in the size that 10 direction of housing is inserted into along adagio component 12, it will be apparent that is found out
Come, at the step-like structure shown in dotted line frame C, the size that the first FPC123 is inserted into 10 direction of housing along adagio component 12 is small
The size of housing direction is inserted into along adagio component in the 2nd FPC122.
This mode so that the part exposed is the routing region of the 2nd FPC122 transmitting terminals；So that ensureing first
While FPC123 and the 2nd FPC122 can set routing region, and do not need to the 2nd FPC122 of lengthening and inserted along adagio component 12
Enter the size in 10 direction of housing.
Optionally, the optoelectronic transceiver functional unit 11 includes the photoelectric receiving device 111 being installed in the housing 10
With photoelectric sender part 112, the photoelectric receiving device 111 is connected by receiving circuit and the receiving terminal routing regional signal
It connects, and the photoelectric sender part 112 is connect by transmission circuit with the transmitting terminal routing regional signal；Wherein：
The receiving circuit include the printed circuit board vertical with the first FPC123, the first of the printed circuit board
Surface B1 is vertical with the first FPC123 and towards the photoelectric receiving device 111, and the second table of the printed circuit board
Face B2 is parallel with the first FPC123, and the printed circuit board is equipped with multiple contact As, in each contact A：
The first part A1 of the contact A is located at the first surface B1；
The second part A2 of the contact A is located at the second surface B2 for being electrically connected with the FPC.
As shown in figure 3, A represents contact, A1 represents the first part of contact A, and A2 represents the second part of contact A, B1 tables
Show the first surface of printed circuit board, B2 represents the second surface of printed circuit board.
The first part A1 of contact A is connect with first surface B1, and the second part A2 of contact A is connect with second surface B2,
It is to realize that the circuit between receiving circuit and photoelectric receiving device 111 connects.
Optionally, orthographic projection of the receiving terminal routing region on the 2nd FPC122 is located at the interval insulant and exists
In orthographic projection on 2nd FPC122.In this way, interval insulant 121 can be supported receiving terminal routing region, improve
Receiving terminal routing region and transmitting terminal routing region keep the stability that space is isolated.
The material of the interval insulant 121 of the embodiment of the present invention includes but not limited to following one kind：
Flexible macromolecule polymer (such as polyethyleneimine), aluminium block, bloom.
Such as Fig. 9, shown in dotted line frame D：
Orthographic projection of the receiving terminal routing region on the 2nd FPC122 on first FPC123 is with interval insulant 121 second
Orthographic projection on FPC122 is identical；
Interval insulant 121 is that transmitting terminal routing region is beaten with receiving terminal on the first FPC123 on the 2nd FPC122 in order to realize
The isolation of signal wire between line region, so as to reduce the influence of electrical crosstalk.The part for not adding in interval insulant 121 is in encapsulation
Absorb tolerance.
That is, it is assumed that the size that the first FPC123 is inserted into housing direction along adagio component is set as a, the 2nd FPC122 edges
The dimensions length that adagio component is inserted into housing direction is set as b, and the size that interval insulant 121 is inserted into housing direction along adagio component is set
For c；
So, a/b=d, a/c=f, b/c=e；And d, e, f are fixed value；
Under the same terms, the first FPC123 is inserted into the size of housing direction if g along adagio component, then the 2nd FPC122
The size h that 10 direction of housing is inserted into along adagio component 12 need to only meet g/h=d, and interval insulant 121 is inserted along adagio component 12
Enter the size j in 10 direction of housing and need to only meet to be set as g/j=f.
Optionally, the first FPC123 is additionally provided with receiving terminal routing region, and the 2nd FPC122 is additionally provided with transmitting terminal
Routing region；Wherein：
The receiving terminal routing region includes signal wire region and direct current DC lines region, the transmitting terminal routing region include
Signal wire region and DC lines region；
The signal wire region of the receiving terminal is in the projection of the 2nd FPC122 and the signal wire region of the transmitting terminal
It is not overlapped；
The DC lines region of the receiving terminal is not weighed in the projection of the 2nd FPC122 and the DC lines region of the transmitting terminal
It is folded.
Wherein, routing region refers to the wiring area of signal wire and DC lines.
Realize that the mode being in staggered distribution between signal wire and DC lines is as shown in Figure 6；
Fig. 6 is double layers table scalariform FPC structure of the main view of the embodiment of the present invention, and 61 regions represent the first FPC123 in figure
Upper receiving terminal DC wiring regions, 62 represent receiving end signal line area on the first FPC123, and 63 represent transmitting terminal letter on the 2nd FPC122
Number line area, 64 represent transmitting terminal DC lines area on the 2nd FPC122.
By Fig. 6 can with the relationship found out between the first FPC123, the 2nd FPC122 and interval insulant 121 of simple, intuitive,
And find out receiving end signal line and the DC lines and transmitting terminal signal wire and D lines on the first FPC123 of energy simple, intuitive are to be staggered
Distribution.
It can be seen that in Fig. 9：
First FPC123 is inserted into the size of housing direction along adagio component and the 2nd FPC122 is inserted into housing along adagio component
The size in direction, the size for being inserted into housing direction along adagio component than interval insulant is long, and interval insulant is located at first
FPC123 receiving terminals routing region and the first each part in FPC123 receiving terminal routings region.
Wherein, optoelectronic transceiver functional unit 11 includes a photoelectric sender part 112 and a photoelectric receiving device 111,
Primarily to prevent the photoelectric interference between photoelectric sender part 112 and photoelectric receiving device 111.
That is, the signal wire region of receiving terminal and the signal wire region of the transmitting terminal are wrong on the first FPC123
Open distribution；The DC lines region of receiving terminal is in staggered distribution with the DC lines region of the transmitting terminal on first FPC123；Described
The signal wire of receiving terminal and the signal wire of the transmitting terminal are in staggered distribution on one FPC123.This design can make the first FPC123
Upper receiving end signal line realizes being spatially separating in horizontal direction with transmitting terminal signal wire on the 2nd FPC122, further reduces electricity
The influence of crosstalk.
In force, in order to realize that the first FPC123 receiving terminal routings region is arranged on the first FPC123 receiving terminal cablings area
Overseas, the 2nd FPC122 transmitting terminal routings region is arranged on the 2nd FPC122 transmitting terminals routing region and is in staggered distribution；
The arrangement mode that region is in staggered distribution has very much, as shown in Fig. 7 A, 7B and 8A, 8B；
Arrangement mode 1, as shown in figures 7 a and 7b；
Fig. 7 A represent the wiring in receiving terminal routing region and receiving terminal routing region on the first FPC123 on the first FPC123
Area schematic；
Fig. 7 B represent the wiring in transmitting terminal routing region and transmitting terminal routing region on the 2nd FPC122 on the 2nd FPC122
Area schematic；
Also, 61 represent receiving terminal DC wiring areas on the first FPC123, to receive on 62 the first FPC123 of expression in Fig. 7 A
End signal line region；
63 represent transmitting terminal signal wire region on the 2nd FPC122 in Fig. 7 B, and 64 represent transmitting terminal DC cloth on the 2nd FPC122
Line region.
It can be seen that the DC wiring areas of receiving terminal are located at signal wire overlying regions from Fig. 7 A, can be seen that from Fig. 7 B
DC wiring areas on 2nd FPC122 are located at below signal wire region.
Signal wire and DC lines region can also be exchanged in aforesaid way, i.e.,：The DC lines area of receiving terminal on first FPC123
Domain is located at below signal wire region, and the DC lines region of transmitting terminal is located at signal wire overlying regions on the 2nd FPC122.
Arrangement mode 2, as shown in figs. 8 a and 8b；
Fig. 8 A represent the wiring in receiving terminal routing region and receiving terminal routing region on the first FPC123 on the first FPC123
Area schematic；Fig. 8 B represent the cloth in transmitting terminal routing region and receiving terminal routing region on the 2nd FPC122 on the 2nd FPC122
Line area schematic；
Also, 61 represent receiving terminal DC wiring areas on the first FPC123, to receive on 62 the first FPC123 of expression in Fig. 8 A
End signal line region；
63 represent transmitting terminal signal wire region on the 2nd FPC122 in Fig. 8 B, and 64 represent transmitting terminal DC cloth on the 2nd FPC122
Line region.
It can be seen that the DC wiring areas of receiving terminal are located on the right side of signal wire on the first FPC123, from Fig. 8 B from Fig. 8 A
It can be seen that the DC lines of receiving terminal are located on the left of signal wire on the first FPC123.
It will be apparent that can also be that the DC lines region of receiving terminal on the first FPC123 is located on the left of signal wire, first
The DC lines of the upper receiving terminals of FPC123 are located on the right side of signal wire.
What is enumerated in attached drawing above is that signal wire region is in contact with DC wiring areas.It in force, can also be according to light
Module design needs two regions being provided separately.
It should be noted that the position relationship in several signal wire regions and DC wiring areas is merely illustrative above, root
Situations such as according to optical module application scenarios, can change the position relationship in signal wire region and DC wiring areas.Signal wire region with
The other positions relationship of DC wiring areas is equally in the protection domain of the embodiment of the present invention.
Optionally, the direction for the opening 101 that comes in and goes out along the adagio component 12, the size of the interval insulant 121 are big
Size in the transmitting terminal routing region；Along the length direction of the opening 101, the size of the interval insulant 121 and institute
State adagio component 12 stretch into the opening size it is identical, and the first FPC123 with it is described opening cooperation position exist
Orthographic projection on 2nd FPC122 is located at the interval insulant within the orthographic projection on the first FPC123.
As shown in Figure 10, dotted line frame E represents the 2nd FPC122 transmitting terminal routings region in figure, and dotted line frame F represents first
FPC123 receiving terminal routings region, the direction of the adagio component discrepancy opening is exactly the direction of arrow G meanings, the opening
Length direction is the direction shown in arrow H；
It can be evident that in Figure 10：
It is more than the size in the 2nd FPC122 transmitting terminal routings region along the size of the direction interval insulant 121 of arrow G；
The size of the opening is stretched into along the size and the adagio component 12 of the direction interval insulant 121 of arrow H
It is identical；
It will be the advantages of design as size：Improve the stability between the first FPC123 and the 2nd FPC122.
Such as：When adagio component 12 is inserted into 10 inside of housing, if only the first FPC123 and the 2nd FPC122 will
It has no idea to fix adagio component.
Optionally, the adagio component 12 and the housing 10 are sealed between being open and are coordinated.
By the size relationship of Figure 10, can be realized when adagio component 12 is inserted into 10 inside of housing adagio component 12 with
Seal combination between housing 10.
Design avoids adagio component 12 by ring primarily to prevent contact of the adagio component 12 with external environment in this way
The erosion in border improves the service life of device.
Optionally, the first FPC123 includes the first substrate, and first substrate is set on one side towards the 2nd FPC122's
There is ground wire metal layer, first substrate is equipped with receiving terminal routing area on the first FPC123 away from the one side of the 2nd FPC122
Domain；
2nd FPC122 includes the second substrate, and the one side of second substrate towards the first FPC123 are equipped with ground wire gold
Belong to layer, second substrate is equipped with the transmitting terminal routing region away from the one side of the first FPC123.
Specifically it may refer to Figure 11.
As shown in figure 11, the upper first primary backing circuit signal line 11A of the first FPC123, the second substrate ground wire metal layer 11B；
2nd FPC122 the first substrate ground wires metal layer 11B, the second primary backing circuit signal line 11C；
This design method makes to send terminal circuit letter on receiving terminal circuit signal wire and the 2nd FPC122 on the first FPC123
It is isolated between number line by double-deck ground wire, effectively eliminates the electricity of receiving terminal on transmitting terminal and the first FPC123 on the 2nd FPC122
Crosstalk.
Other than above-mentioned arrangement mode, as long as realizing on the first FPC123 on receiving terminal circuit signal wire and the 2nd FPC122
The arrangement mode of isolation between transmitting terminal circuit signal line is all suitable for the embodiment of the present invention.For example the first FPC123 may be used
First primary backing circuit signal line, the 2nd the second substrates of FPC122 are used for cloth circuit signal line；The second substrate of first FPC123
The mode of ground wire metal layer is still with the first substrate of the 2nd FPC122.
Optionally, the embodiment of the present invention also provides a kind of optical module, which includes above-mentioned times of the embodiment of the present invention
One optical secondary module.
Above by reference to showing according to the method, apparatus (system) of the embodiment of the present application and/or the frame of computer program product
Figure and/or flow chart describe the application.It should be understood that it can realize that block diagram and/or flow illustrate by computer program instructions
One block of figure and the combination of block diagram and/or the block of flowchart illustration.These computer program instructions can be supplied to logical
With computer, the processor of special purpose computer and/or other programmable data processing units, to generate machine so that via meter
The instruction establishment that calculation machine processor and/or other programmable data processing units perform is used to implement block diagram and/or flow chart block
In specified function/action method.
Correspondingly, the application can also be implemented with hardware and/or software (including firmware, resident software, microcode etc.).More
Further, the application can take computer to can be used or the shape of computer program product on computer readable storage medium
Formula there is the computer realized in the medium can be used or computer readable program code, to be made by instruction execution system
It is used with or with reference to instruction execution system.In the present context, computer can be used or computer-readable medium can be with
It is arbitrary medium, can includes, stores, communicates, transmits or transmit program, is made by instruction execution system, device or equipment
It is used with or with reference to instruction execution system, device or equipment.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. a kind of optical secondary module, which is characterized in that the optical secondary module includes housing, adagio component and installation with opening
In the optoelectronic transceiver functional unit in the housing；
The adagio component includes the first flexible PCB FPC and the 2nd FPC, the plane of flattening and described second of the first FPC
The plane of flattening overlapping distribution of FPC；
The first FPC routings region and the 2nd FPC routings region are stretched to by the opening in the housing, and then
It is connect with the optoelectronic transceiver functional unit；
There is the interval insulant realized and be electrically isolated between the first FPC routings region and the 2nd FPC routings region.
2. optical secondary module as described in claim 1, which is characterized in that the first FPC is equipped with notch, and the transmission
End routing region is set in the region that the notch is covered in the orthographic projection of the 2nd FPC.
3. optical secondary module as claimed in claim 2, which is characterized in that the notch is set to the edge of the first FPC,
And the transmitting terminal routing region cooperatively forms step-like structure with the first FPC.
4. optical secondary module as claimed in claim 3, which is characterized in that the optoelectronic transceiver functional unit includes being installed on institute
The photoelectric receiving device and photoelectric sender part in housing are stated, the photoelectric receiving device passes through receiving circuit and the receiving terminal
Routing regional signal connects, and the photoelectric sender part is connect by transmission circuit with the transmitting terminal routing regional signal；
Wherein：
The receiving circuit include the printed circuit board vertical with the first FPC, the first surface of the printed circuit board with
First FPC is vertical and towards the photoelectric receiving device, and the second surface of the printed circuit board and the first FPC
Parallel, the printed circuit board is equipped with multiple contacts, in each contact：
The first part of the contact is located at the first surface；
The second part of the contact is located at the second surface for being electrically connected with the FPC.
5. optical secondary module as claimed in claim 3, which is characterized in that the receiving terminal routing region is in the 2nd FPC
On orthographic projection be located at the interval insulant in the orthographic projection on the 2nd FPC.
6. optical secondary module as claimed in claim 2, which is characterized in that the first FPC is additionally provided with receiving terminal routing region,
2nd FPC is additionally provided with transmitting terminal routing region；Wherein：
The receiving terminal routing region includes signal wire region and direct current DC lines region, and the transmitting terminal routing region includes signal
Line region and DC lines region；
Projection of the signal wire region of the receiving terminal in the 2nd FPC be not be overlapped with the signal wire region of the transmitting terminal；
Projection of the DC lines region of the receiving terminal in the 2nd FPC be not be overlapped with the DC lines region of the transmitting terminal.
7. optical secondary module as claimed in claim 6, which is characterized in that in the first FPC, the receiving terminal routing region
In the signal wire region of the receiving terminal routing region；And
In 2nd FPC, the transmitting terminal routing region is located in the signal wire region of the transmitting terminal routing region.
8. optical secondary module as described in claim 1, which is characterized in that the side for the opening that comes in and goes out along the adagio component
To the size of the interval insulant is more than the size in the transmitting terminal routing region；Along the length direction of the opening, between described
The size of barrier material is identical with the size that the adagio component stretches into the opening, and the first FPC and the opening
Orthographic projection of the position of cooperation on the 2nd FPC is located at the interval insulant within the orthographic projection on the first FPC.
9. the optical secondary module as described in claim 1~8 is any, which is characterized in that the first FPC includes the first substrate,
The one side of first substrate towards the 2nd FPC are equipped with ground wire metal layer, and first substrate is equipped with away from the one side of the 2nd FPC
The receiving terminal routing region；
2nd FPC includes the second substrate, and the one side of second substrate towards the first FPC are equipped with ground wire metal layer, described
Second substrate is equipped with the transmitting terminal routing region away from the one side of the first FPC.
10. a kind of optical module, which is characterized in that including such as claim 1-9 any one of them optical secondary module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711269604.6A CN108196345B (en) | 2017-12-05 | 2017-12-05 | Optical secondary module and optical module |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407233A (en) * | 2018-12-17 | 2019-03-01 | 青岛海信宽带多媒体技术有限公司 | A kind of optical secondary module and optical module |
| CN109407235A (en) * | 2018-12-17 | 2019-03-01 | 青岛海信宽带多媒体技术有限公司 | A kind of optical secondary module and optical module |
| CN110542956A (en) * | 2019-09-02 | 2019-12-06 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110596833A (en) * | 2019-10-21 | 2019-12-20 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2022083366A1 (en) * | 2020-10-20 | 2022-04-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2022083339A1 (en) * | 2020-10-23 | 2022-04-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| US11828993B2 (en) | 2018-12-17 | 2023-11-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical sub-module and optical module |
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| CN202033497U (en) * | 2011-03-31 | 2011-11-09 | 索尔思光电（成都）有限公司 | CSFP optical transceiver module |
| CN203551846U (en) * | 2013-04-02 | 2014-04-16 | 华星光通科技股份有限公司 | Optical connector packaging structure |
| CN104283023A (en) * | 2013-07-11 | 2015-01-14 | 正凌精密工业股份有限公司 | High-frequency connector, optical module and two-way transmission method of high-frequency connector |
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| CN202033497U (en) * | 2011-03-31 | 2011-11-09 | 索尔思光电（成都）有限公司 | CSFP optical transceiver module |
| CN203551846U (en) * | 2013-04-02 | 2014-04-16 | 华星光通科技股份有限公司 | Optical connector packaging structure |
| CN104283023A (en) * | 2013-07-11 | 2015-01-14 | 正凌精密工业股份有限公司 | High-frequency connector, optical module and two-way transmission method of high-frequency connector |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109407233A (en) * | 2018-12-17 | 2019-03-01 | 青岛海信宽带多媒体技术有限公司 | A kind of optical secondary module and optical module |
| CN109407235A (en) * | 2018-12-17 | 2019-03-01 | 青岛海信宽带多媒体技术有限公司 | A kind of optical secondary module and optical module |
| CN109407233B (en) * | 2018-12-17 | 2020-10-02 | 青岛海信宽带多媒体技术有限公司 | Optical secondary module and optical module |
| US11828993B2 (en) | 2018-12-17 | 2023-11-28 | Hisense Broadband Multimedia Technologies Co., Ltd. | Optical sub-module and optical module |
| CN110542956A (en) * | 2019-09-02 | 2019-12-06 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN110596833A (en) * | 2019-10-21 | 2019-12-20 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2022083366A1 (en) * | 2020-10-20 | 2022-04-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| WO2022083339A1 (en) * | 2020-10-23 | 2022-04-28 | 青岛海信宽带多媒体技术有限公司 | Optical module |
| CN114488420A (en) * | 2020-10-23 | 2022-05-13 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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