CN203241580U - Photoelectric module with silicon-based optical base - Google Patents
Photoelectric module with silicon-based optical base Download PDFInfo
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- CN203241580U CN203241580U CN 201320301327 CN201320301327U CN203241580U CN 203241580 U CN203241580 U CN 203241580U CN 201320301327 CN201320301327 CN 201320301327 CN 201320301327 U CN201320301327 U CN 201320301327U CN 203241580 U CN203241580 U CN 203241580U
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Abstract
The utility model discloses a photoelectric module with a silicon-based optical base. The photoelectric module comprises a circuit board, an optical base arranged on the circuit board, and an optical fiber fixing frame on which optical fibers are fixed, wherein the optical base and the optical fiber fixing frame are detachably connected, and the optical base is a silicon-based optical base. According to the utility model, as the optical base and the optical fiber fixing frame are detachably connected, burn-in treatment can be separately carried out on the optical base, the problem that the optical fibers are damaged due to aging to influence the performance of the photoelectric module is effectively prevented, and the unqualified rate of the photoelectric module is reduced. In addition, the optical base is a silicon-based optical base, which facilitates processing of a high-precision structure, reduces processing technology of the photoelectric module and simplifies the production process.
Description
Technical field
The utility model belongs to the optical communication technique field, specifically, relates to a kind of optical-electric module, more particularly, relates to a kind of optical-electric module with silica-based optical substrate (SIOB).
Background technology
At present, in the used optical-electric module of optical communication, it is the integral type structure that the optical substrate of light source, photodetector and lens and the fiber fixed frame of fixed fiber are installed.Because existing optical communication system is higher to the reliability requirement of optical-electric module, the optical-electric module product all will be done burin-in process in process of production.Because optical substrate and fiber fixed frame are integrated, before aging, need optical fiber and optical substrate are partly coupled together, therefore, optical fiber is aging simultaneously, this damage to optical fiber is larger, can affect the quality of light intensity and signal during the optical fiber damage, reduces the optical-electric module performance.And, if find after aging that product is bad, be difficult for optical substrate dismantled to come with fiber fixed frame carrying out maintenance process, can only do and scrap processing, cause production cost to uprise.
Summary of the invention
The purpose of this utility model provides a kind of optical-electric module with silica-based optical substrate, with solve existing optical-electric module rejection rate high, fiber loss reached greatly the problems referred to above such as production cost height.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of optical-electric module with silica-based optical substrate, comprise circuit board, described optical-electric module also includes the optical substrate that is arranged on the described circuit board and is fixed with the fiber fixed frame of optical fiber, described optical substrate is connected with described fiber fixed frame is detachable, and described optical substrate is silica-based optical substrate.
Aforesaid optical-electric module, for realizing the photoelectric converting function of optical-electric module, offer some through holes on the described optical substrate, in described through hole, be provided with the wire paster, covering that the copper zone is electrically connected and then be electrically connected through described copper transmitter circuitry and/or the receiver circuit regional and on the described circuit board of covering on described wire paster and the described circuit board.
Perhaps, the surface of described optical substrate is provided with some wire pasters, and described wire paster is electrically connected with transmitter circuitry and/or receiver circuit on the described circuit board by connecting line.
Aforesaid optical-electric module is provided with coupled lens at described optical substrate, and described coupled lens is silica-based optical material, and one-body molded with described optical substrate.
Perhaps, offer some grooves at described optical substrate, in described groove, be provided with coupled lens.
Preferably, be provided with reference column/pilot hole at described optical substrate, be provided with pilot hole/reference column at described fiber fixed frame, described optical substrate and described fiber fixed frame are connected the detachable connection of reference column by described reference column/pilot hole with institute rheme hole.
Aforesaid optical-electric module for convenient fixing, offers some hole for injecting glue on the described fiber fixed frame.
For reducing cost, preferred, the material of described fiber fixed frame is plastics.
Aforesaid optical-electric module is provided with the protective cover that cover is established described optical substrate and described transmitter circuitry and/or receiver circuit at described circuit board, to play the defencive functions such as dust-separation, anti-steam.
Preferably, described optical substrate welding or glue curing are on described circuit board.
Compared with prior art, advantage of the present utility model with good effect is connected: by adopting removably to be connected optical substrate and fiber fixed frame, make things convenient for that both is detachable, thereby can realize the independent burin-in process of optical substrate, after aging, connect again fiber fixed frame and fixed fiber, avoided the damage to optical fiber, effectively prevented because the optical fiber damage causes the impact of optical-electric module performance, and reduced the disqualification rate of optical-electric module.In addition, optical substrate adopts silica-based optical substrate, is convenient to the structure of machining high-precision, has reduced the optical-electric module processing technology, has simplified production process.
After reading by reference to the accompanying drawings embodiment of the present utility model, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the part blast structural representation that the utlity model has first embodiment of optical-electric module of silica-based optical substrate;
Fig. 2 is the assembly structure synoptic diagram of Fig. 1 embodiment;
Fig. 3 is the part-structure synoptic diagram that the utlity model has second embodiment of optical-electric module of silica-based optical substrate.
Among above-mentioned each figure, the component names of Reference numeral and correspondence thereof is as follows:
1, circuit board; 11, cover the copper zone;
2, optical substrate; 21, reference column; 22, wire paster; 23, connecting line; 24, through hole; 25, coupled lens;
3, fiber fixed frame; 31, pilot hole; 4, optical fiber; 5, transmitter circuitry; 6, receiver circuit; 7, optical assembly array; 8, protective cover.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
Please refer to first embodiment of the optical-electric module that the utlity model has silica-based optical substrate shown in Fig. 1 and Fig. 2, wherein, Fig. 1 is the part blast structural representation of this embodiment optical-electric module, and Fig. 2 is its assembly structure synoptic diagram.
Anticipate as shown in Figures 1 and 2, the optical-electric module of this embodiment includes circuit board 1, is fixed with optical substrate 2 and fiber fixed frame 3 at circuit board 1, offers the V-type groove on the fiber fixed frame 3, is fixed with arrayed optical fiber 4 in groove.Wherein, optical substrate 2 and fiber fixed frame 3 are connected with removably, and optical substrate 2 is silica-based optical substrate.
This embodiment is by adopting removably to be connected with fiber fixed frame 3 optical substrate 2, make things convenient for that both is detachable, can first fixed optics pedestal 2 in the optical-electric module production run and carry out burin-in process, after burin-in process is complete, be fixedly connected with again the fiber fixed frame 3 of optical fiber 4.So fiber fixed frame 3 and optical fiber 4 do not participate in burin-in process, avoided because of the aging damage to optical fiber under the extreme temperature, effectively prevented because the optical fiber damage causes the impact of optical-electric module performance, and reduced the disqualification rate of optical-electric module.In addition, because optical substrate 2 adopts silica-based optical substrate, be convenient to the structure of machining high-precision, for example, offer boss, ball, hole, V-type groove etc., thereby can at optical substrate 2 required structure be set with simple realization technique, reduce the optical-electric module processing technology, simplified production process.
And, owing to fiber fixed frame 3 and optical substrate 2 are separated from each other, and need not to wear out, fiber fixed frame 3 can and preferably adopt plastics to make, and has reduced cost of products on the basis that does not affect performance.
Specifically, be provided with two reference columns 21 at optical substrate 2, be provided with two corresponding pilot holes 31 at fiber fixed frame 3, optical substrate 2 and fiber fixed frame 3 are realized detachable being connected and fixed by reference column 21 and cooperating of pilot hole 31, and then utilize opto-electronic conversion structure and the optical fiber on the fiber fixed frame 34 on the optical substrate 2 to carry out the coupling of light signal, realize the luminous of optical-electric module and receive the light function.Optical substrate 2 can adopt the mode of welding or glue curing to be fixed on the circuit board 1, and offers the hole for injecting glue (not shown) on the fiber fixed frame 3, solidifies by injecting glue in hole for injecting glue and realizes fiber fixed frame 3 fixing on circuit board 1.
For realizing the accurate coupling of light signal, be provided with some coupled lens 25 at optical substrate 2, its quantity is identical with number of fibers in the arrayed optical fiber 4.Coupled lens 25 can adopt following two kinds of structures to realize: one, and coupled lens 25 also adopts silica-based optical material, and one-body molded with optical substrate 2, also namely forms this coupled lens 25 between on the optical substrate 2; Its two, coupled lens 25 adopts silica-based optical materials or other materials with light-focusing function to make separately, offers some grooves at optical substrate 2, places corresponding coupled lens 25 in groove.
For realizing the mutual conversion of optical-electric module light signal and electric signal, be provided with transmitter circuitry 5 and receiver circuit 6 at circuit board 1.Upper surface at optical substrate 2 is provided with some wire pasters 22, and this wire paster 22 is generally gold thread by connecting line 23() respectively with transmitter circuitry 5 and receiver circuit 6 corresponding electrical connections.The optical assembly array 7 that includes laser instrument and photodetector by pad be welded on the optical substrate 2, corresponding the position of wire paster 22.
And, in this embodiment, on optical substrate 2 and transmitter circuitry 5 and receiver circuit 6, also be covered with protective cover 8, utilizing this protective cover 8 to intercept outside dust, steam etc., to enter circuit structure inner and affect the electric property of optical-electric module.
The optical-electric module of this embodiment is transmitting-receiving integrated optical-electric module, has simultaneously transmitter circuitry 5 and receiver circuit 6, but is not limited to this.For unidirectional optical-electric module, still can adopt the design concept of this embodiment, namely adopt optical substrate 2 and the fiber fixed frame 3 detachable structures that are connected.
Please refer to Fig. 3, this figure is depicted as the part-structure synoptic diagram of second embodiment of optical-electric module that the utlity model has silica-based optical substrate.
As shown in Figure 3, similar with Fig. 1 and Fig. 2 embodiment, the optical-electric module of this embodiment also includes circuit board 1, is fixed with optical substrate 2 and fiber fixed frame 3 at circuit board 1, optical substrate 2 and fiber fixed frame 3 are connected with removably, and optical substrate 2 is silica-based optical substrate.
Different from Fig. 1 and Fig. 2 embodiment is in this Fig. 3 embodiment, for realizing the mutual conversion of optical-electric module light signal and electric signal, to be provided with transmitter circuitry 5 and receiver circuit 6 at circuit board 1.Offer some through holes 24 at optical substrate 2, in each through hole 24, be equipped with wire paster (not shown), the copper zone 11 of covering on wire paster and the circuit board 1 is electrically connected, and then is electrically connected with transmitter circuitry 5 and receiver circuit 6 through covering copper regional 11.
In Fig. 1 and two embodiment of Fig. 3, be provided with coupled lens 25 on the optical substrate 2, purpose is to guarantee that light signal can accurately be coupled in each parts of optical-electric module, but need to prove that coupled lens 25 is not essential.For example, also can ensure enough light signals and be coupled in the optical fiber in the situation of not using coupled lens, then corresponding coupled lens can be set, the optical-electric module of this structure also belongs to the claimed technical scheme of the utility model.
Above embodiment is only in order to illustrating the technical solution of the utility model, but not limits it; Although with reference to previous embodiment the utility model is had been described in detail, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. optical-electric module with silica-based optical substrate, comprise circuit board, it is characterized in that, described optical-electric module also includes the optical substrate that is arranged on the described circuit board and is fixed with the fiber fixed frame of optical fiber, described optical substrate is connected with described fiber fixed frame is detachable, and described optical substrate is silica-based optical substrate.
2. optical-electric module according to claim 1, it is characterized in that, offer some through holes on the described optical substrate, in described through hole, be provided with the wire paster, covering that the copper zone is electrically connected and then be electrically connected through described copper transmitter circuitry and/or the receiver circuit regional and on the described circuit board of covering on described wire paster and the described circuit board.
3. optical-electric module according to claim 1 is characterized in that, the surface of described optical substrate is provided with some wire pasters, and described wire paster is electrically connected with transmitter circuitry and/or receiver circuit on the described circuit board by connecting line.
4. each described optical-electric module in 3 according to claim 1 is characterized in that be provided with coupled lens at described optical substrate, described coupled lens is silica-based optical material, and one-body molded with described optical substrate.
5. each described optical-electric module in 3 according to claim 1 is characterized in that, offers some grooves at described optical substrate, is provided with coupled lens in described groove.
6. optical-electric module according to claim 1, it is characterized in that, be provided with reference column/pilot hole at described optical substrate, be provided with pilot hole/reference column at described fiber fixed frame, described optical substrate and described fiber fixed frame are connected the detachable connection of reference column by described reference column/pilot hole with institute rheme hole.
7. optical-electric module according to claim 6 is characterized in that, offers some hole for injecting glue on the described fiber fixed frame.
8. according to claim 1 or 6 or 7 described optical-electric modules, it is characterized in that the material of described fiber fixed frame is plastics.
9. according to claim 2 or 3 described optical-electric modules, it is characterized in that, be provided with the protective cover that cover is established described optical substrate and described transmitter circuitry and/or receiver circuit at described circuit board.
10. optical-electric module according to claim 1 is characterized in that, described optical substrate welding or glue curing are on described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320301327 CN203241580U (en) | 2013-05-29 | 2013-05-29 | Photoelectric module with silicon-based optical base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320301327 CN203241580U (en) | 2013-05-29 | 2013-05-29 | Photoelectric module with silicon-based optical base |
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| CN203241580U true CN203241580U (en) | 2013-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320301327 Expired - Lifetime CN203241580U (en) | 2013-05-29 | 2013-05-29 | Photoelectric module with silicon-based optical base |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676037A (en) * | 2013-12-25 | 2014-03-26 | 武汉电信器件有限公司 | Silicon-based light transmitting-receiving component with parallel optical fiber transmission |
| CN104898215A (en) * | 2015-06-24 | 2015-09-09 | 苏州洛合镭信光电科技有限公司 | Simple coupled parallel light transmit-receive engine used for interconnection between boards |
| CN104898216A (en) * | 2015-06-24 | 2015-09-09 | 苏州洛合镭信光电科技有限公司 | Miniaturized parallel light transmit-receive engine used for interconnection between boards |
| CN106125214A (en) * | 2016-08-31 | 2016-11-16 | 中航海信光电技术有限公司 | Parallel optical module |
| CN106125215A (en) * | 2016-08-31 | 2016-11-16 | 中航海信光电技术有限公司 | A kind of parallel light assembly |
| CN108227183A (en) * | 2018-02-09 | 2018-06-29 | 深圳市砝石激光雷达有限公司 | Rotary laser scanning means |
| WO2021037085A1 (en) * | 2019-08-30 | 2021-03-04 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2013
- 2013-05-29 CN CN 201320301327 patent/CN203241580U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103676037A (en) * | 2013-12-25 | 2014-03-26 | 武汉电信器件有限公司 | Silicon-based light transmitting-receiving component with parallel optical fiber transmission |
| CN104898215A (en) * | 2015-06-24 | 2015-09-09 | 苏州洛合镭信光电科技有限公司 | Simple coupled parallel light transmit-receive engine used for interconnection between boards |
| CN104898216A (en) * | 2015-06-24 | 2015-09-09 | 苏州洛合镭信光电科技有限公司 | Miniaturized parallel light transmit-receive engine used for interconnection between boards |
| CN104898215B (en) * | 2015-06-24 | 2017-03-22 | 苏州洛合镭信光电科技有限公司 | Simple coupled parallel light transmit-receive engine used for interconnection between boards |
| CN106125214A (en) * | 2016-08-31 | 2016-11-16 | 中航海信光电技术有限公司 | Parallel optical module |
| CN106125215A (en) * | 2016-08-31 | 2016-11-16 | 中航海信光电技术有限公司 | A kind of parallel light assembly |
| CN106125214B (en) * | 2016-08-31 | 2017-12-15 | 中航海信光电技术有限公司 | Parallel optical module |
| CN108227183A (en) * | 2018-02-09 | 2018-06-29 | 深圳市砝石激光雷达有限公司 | Rotary laser scanning means |
| CN108227183B (en) * | 2018-02-09 | 2024-05-17 | 深圳市砝石激光雷达有限公司 | Rotary laser scanning device |
| WO2021037085A1 (en) * | 2019-08-30 | 2021-03-04 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131016 |
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| CX01 | Expiry of patent term |