CN102183829A - Light receiving and transmitting assembly for broadband parallel optics - Google Patents
Light receiving and transmitting assembly for broadband parallel optics Download PDFInfo
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- CN102183829A CN102183829A CN2011101128206A CN201110112820A CN102183829A CN 102183829 A CN102183829 A CN 102183829A CN 2011101128206 A CN2011101128206 A CN 2011101128206A CN 201110112820 A CN201110112820 A CN 201110112820A CN 102183829 A CN102183829 A CN 102183829A
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Abstract
The invention relates to a light receiving and transmitting assembly for broadband parallel optics, which comprises an MT (Manual Transmission) type optical connector and a lens base butted with the MT type optical connector, wherein the MT type optical connector is internally provided with linearly and uniformly arranged optical fiber arrays, the lens base is internally embedded with linearly and uniformly arranged lens arrays, the lens arrays and the optical fiber arrays in the MT type optical connector are aligned and coupled; and a VCSEL (Vertical Cavity Surfaceemitting Laser) array and a PD (Photoelectric Detector) array are assembled on a substrate and respectively connected with a conductive gold wire in a routing manner, the substrate is fixed and attached on the side surface of a PCBA (Printed Circuit Board Assembly) support member in a routing connection manner, a laser drive chip and a detector TIA (Totally Integrated Automation) chip are respectively arranged on an upper surface electrode and a lower surface electrode of the PCBA support member, and the PCBA support member connected with the substrate is abutted with the MT type optical connector connected with the lens base. The invention has the advantages of increasing the coupling efficiency of photoelectric devices and optical fibers, remarkably improving elements on the aspects of flexibility, process difficulty and the like, and meeting demands on parallel light receiving and transmitting.
Description
Technical field
The present invention relates to a kind of light transmitting-receiving subassembly that is used for the broadband parallel optical.
Background technology
Along with the quick growth of the mankind to communication bandwidth requirements, the existing communication systems face capacity and energy consumption two is challenged greatly.Because can be in littler space, lower energy consumption takies down that bigger bandwidth is provided, the research and development of parallel optical module is increasing.The parallel optical module is a plurality of optical fiber of a plurality of laser alignment in an independent module---for example be fit to the 4 passage short distance transceiver modules that the short distance high bandwidth is calculated and exchange is used, integrated four independently send and receiving cable, and are connected to one 12 passage multimode ribbon fiber.Because the low-power consumption that device is integrated and miniaturization is brought makes generation of parallel optical module and the heat that distributes be less than a plurality of discrete devices greatly, thereby has improved the reliability of device and total system.
The patent No. is to have introduced a kind of two substrate parallel optical sub-assembly in 7537394 the United States Patent (USP) " Method for assembling a two substrate parallel optical sub-assembly ", wherein pairing two substrates of laser array and detector array are spaced apart and place form one and have the very groove of SerComm degree along its length, to allow laser array and detector array to aim at optical coupling face in man-to-man mode respectively, aim at this location of realizing multi-optical channel.
Yet, the optical transceiver module that relies on this method realization has following shortcoming: the electrical connection between photovoltaic array parts and corresponding substrate (connecting as gold thread) distribution range is big, length is longer, bad noise is introduced in the emission and the meeting of detection for high-frequency signal, make the signal variation, the device performance deterioration; Use the direct and photoelectric device coupling of optical fiber, sensitivity reduces, and coupling efficiency is poor; Technology difficulty is higher on assembling is aimed at simultaneously, and accuracy requirement is big and implement complicated.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of light transmitting-receiving subassembly that is used for the broadband parallel optical is provided.
Purpose of the present invention is achieved through the following technical solutions:
The light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor and lens mount, lens mount and MT type optical conenctor connect, it is characterized in that: be provided with linearly evenly distributed fiber array in the described MT type optical conenctor, described lens mount is embedded with linearly evenly distributed lens arra, and lens arra is aimed at coupling with the fiber array in the MT type optical conenctor; VCSEL laser array and PD photodetector array are assembled on the substrate, and be connected with conduction gold thread routing respectively, substrate is connected and fixed the side that fits in the PCBA support member by routing, laser driving chip and detector TIA chip are positioned over respectively on PCBA support member upper surface electrode and the lower surface electrode, and the PCBA support member that is connected with substrate connects with the MT type optical conenctor that is connected with lens mount.
Further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, described lens mount is provided with pilot hole, MT type optical conenctor is provided with pilot hole corresponding to it, in pilot hole on the register pin insertion lens mount and the pilot hole on the MT type optical conenctor lens mount and MT type optical conenctor is connected and fixed.
Further, the fiber array in the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, described MT type optical conenctor has 12 optical fiber side by side, constitutes 12 passages, and wherein four of left ends are transmission channel, and four of right-hand members are receiving cable; The VCSEL laser array is with four passages of man-to-man mode difference alignment light fibre array left end, and the PD photodetector array is with four passages of man-to-man mode difference alignment light fibre array right-hand member.
Further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, the end of described 12 optical fiber are side by side linearly equidistantly arranged, and spacing is 0.25mm.
Again further, the above-mentioned light transmitting-receiving subassembly that is used for the broadband parallel optical, the PCBA support member that is connected with substrate connects by fixture and the MT type optical conenctor that is connected with lens mount.
Substantive distinguishing features and obvious improvement that technical solution of the present invention is outstanding are mainly reflected in:
The present invention adopts the side coating technique, and it is more reasonable that gold thread distributes, and length is shorter; Use the optical frames group, improve the coupling efficiency of photoelectric device and optical fiber, device all has clear improvement at aspects such as sensitivity, technology difficulty, satisfies parallel optical transmitting-receiving demand.
Description of drawings
Below in conjunction with accompanying drawing technical solution of the present invention is described further:
Fig. 1: the light that is used for the side applying of parallel optical is received and dispatched the overall package synoptic diagram of submodule;
Fig. 2: each assembly of the light transmitting-receiving submodule among Fig. 1 is in unassembled decomposing schematic representation;
Fig. 3: the schematic top plan view of substrate;
Fig. 4: the synoptic diagram of lens mount;
Fig. 5: lens mount and optic splice are in the synoptic diagram of unassembled state;
Fig. 6 a: the synoptic diagram that is coupled to an optical fiber by the light of a laser instrument emission by lens;
Fig. 6 b: by light from be coupled to the synoptic diagram of a photodetector by lens by an optical fiber;
Fig. 7: light transmitting-receiving submodule is in the synoptic diagram of unassembled state.
The implication of each Reference numeral sees the following form among the figure:
Embodiment
As shown in Figure 1 and Figure 2, the light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor 01 and lens mount 04, lens mount 04 connects with MT type optical conenctor 01, be provided with linearly evenly distributed fiber array 02 in the MT type optical conenctor 01, lens mount 04 is embedded with linearly evenly distributed lens arra 05, and lens arra 05 is aimed at coupling with the fiber array 02 in the MT type optical conenctor; Lens mount 04 is provided with pilot hole 16, MT type optical conenctor 01 is provided with pilot hole corresponding to it, in pilot hole 16 on the register pin 03 insertion lens mount 04 and the pilot hole on the MT type optical conenctor 01 lens mount 04 and MT type optical conenctor 01 is connected and fixed.As Fig. 3, VCSEL laser array 07 and PD photodetector array 08 are assembled on the substrate 09, and be connected with conduction gold thread 14 routings with conduction gold thread 13 respectively, substrate 09 is connected and fixed the side that fits in PCBA support member 12 by routing, laser driving chip 10 and detector TIA chip 11 are positioned over respectively on PCBA support member 12 upper surface electrodes 15 and the lower surface electrode, and the PCBA support member 12 that is connected with substrate 09 connects by fixture 06 and the MT type optical conenctor 01 that is connected with lens mount 04.
Wherein, the fiber array 02 in the MT type optical conenctor has 12 optical fiber side by side, and the end of each optical fiber is linearly equidistantly arranged, spacing is 0.25mm, constitutes 12 passages, and wherein four of left ends are transmission channel, four of right-hand members are receiving cable, and middle four are not used; VCSEL laser array 07 is with four passages of man-to-man mode difference alignment light fibre array 02 left end, and PD photodetector array 08 is with four passages of man-to-man mode difference alignment light fibre array 02 right-hand member.
As Fig. 4, shown in Figure 5, lens mount 04 is embedded with a lens arra 05, can be one to one with MT type optical conenctor 01 in fiber array 02 aim at coupling, be used for the optically-coupled between direct light electrical part and the optical fiber.Register pin 03 and pilot hole 16 are used for being connected and fixed between lens mount 04 and the MT type optical conenctor 01.
Fig. 6 a has illustrated the optically-coupled between photoelectric device and light joint.Because substrate 09 is placed on PCBA support member 12 sides, a laser instrument 17 in the VCSEL laser array 07 will be positioned at the place ahead of lens 18 and optical channel 19, and the light that laser instrument 17 sends is coupled into optical fiber through lens 18 corresponding in the lens mount 04 and transmits.Fig. 6 b has illustrated light to be coupled to photodetector 20 the PD photodetector array 08 from optical fiber.Photodetector is set at the place ahead of corresponding optical channel 19 and lens 18.The light of propagating in optical fiber enters lens 18 at the optical coupling face place, is collected by photodetector 20 again.The center of the effective coverage of laser instrument 17 or photodetector 20 is positioned at the dead ahead of the focusing center of lens 18 1 ends fully, the focusing center of lens 18 other ends also aims at fully with fiber optic hub, to improve the coupling performance that optically-coupled enters optical fiber or photodetector 20.
When guide structure has foregoing optic splice, the passage that uses in the optic splice is four of four of Far Lefts and rightmosts, and middle passage is not when using, and optics connector, lens mount and comprise that the aligning assembling process of substrate of two photoelectric chips is as follows:
One 1 * 4 VCSEL laser array 07 is connected the mark position that is installed on the substrate 09 with one 1 * 4 PD photodetector array 08 through routing, mark position makes two chips line spread side by side, and 4 passages that the interval of two chips just is not used in the alignment optical joint, i.e. 1mm at interval.Mark position can help mark VCSEL laser array 07 and PD photodetector array 08 to aim at MT type optical conenctor 01 leftmost 4 passages and rightmost 4 passages respectively in man-to-man mode.
As shown in Figure 5, the alignment procedures of MT type optical conenctor 01 and lens mount 04 is: lens arra 05 and fiber array 02 are aimed at fully in man-to-man mode, utilized register pin 03 and pilot hole 16 that MT optical conenctor MT type optical conenctor 01 and lens mount 04 are connected and fixed.Because lens arra 05 and fiber array 02 are linearly evenly distributed, therefore only need lens mount 04 Far Left and rightmost lens are aimed at fully and can be realized with corresponding optical fiber.
As shown in Figure 7, will be connected with lens mount 04 MT type optical conenctor 01 and be connected with the aligning of the PCBA support member 12 of substrate 09: adopt a visible system that substrate 09 and lens mount 04 are aimed at and make the center of each effective coverage of each VCSEL laser array and PD photodetector array aim at fully with the center of corresponding lens, also promptly with the centrally aligned of four passages on MT type optical conenctor 01 left side and right side.In one embodiment,, therefore only need lens mount 04 Far Left and rightmost lens are realized aiming at fully with corresponding laser instrument and detector, can realize because the mark position on the substrate 09 has been determined the relative position and the spacing of two chip chambers.
The body of operating optical joint is aimed in the time of by fixing PCBA support member 12 and substrate 09, but opposite mode also is feasible in the practical operation.Operation PCBA support member 12 when the body of optic splice is fixed in this case.After this, substrate is fixedly connected in the optic splice at this position fixture 06.Require difference according to attachment reliability, also can select the location structure of other types a certain specific components, as ultra-sonic welded, thermal weld or epoxy finishes etc.
The present invention adopts the side coating technique, and it is more reasonable that gold thread distributes, and length is shorter; Use the optical frames group, improve the coupling efficiency of photoelectric device and optical fiber, device all has clear improvement at aspects such as sensitivity, technology difficulty, satisfies parallel optical transmitting-receiving demand.
What need understand is: the above only is a preferred implementation of the present invention; for those skilled in the art; under the prerequisite that does not break away from the principle of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. the light transmitting-receiving subassembly that is used for the broadband parallel optical, comprise MT type optical conenctor (01) and lens mount (04), lens mount (04) connects with MT type optical conenctor (01), it is characterized in that: be provided with linearly evenly distributed fiber array (02) in the described MT type optical conenctor (01), described lens mount (04) is embedded with linearly evenly distributed lens arra (05), and lens arra (05) is aimed at coupling with the fiber array (02) in the MT type optical conenctor; VCSEL laser array (07) and PD photodetector array (08) are assembled on the substrate (09), and be connected with conduction gold thread routing respectively, substrate (09) is connected and fixed the side that fits in PCBA support member (12) by routing, laser driving chip (10) and detector TIA chip (11) are positioned over respectively on PCBA support member (12) upper surface electrode (15) and the lower surface electrode, and the PCBA support member (12) that is connected with substrate (09) connects with the MT type optical conenctor (01) that is connected with lens mount (04).
2. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1, it is characterized in that: described lens mount (04) is provided with pilot hole (16), MT type optical conenctor (01) is provided with pilot hole corresponding to it, and lens mount (04) and MT type optical conenctor (01) are connected and fixed.
3. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1, it is characterized in that: the fiber array (02) in the described MT type optical conenctor has 12 optical fiber side by side, constitute 12 passages, wherein four of left ends are transmission channel, and four of right-hand members are receiving cable; VCSEL laser array (07) is with four passages of man-to-man mode difference alignment light fibre array (02) left end, and PD photodetector array (08) is with four passages of man-to-man mode difference alignment light fibre array (02) right-hand member.
4. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 3 is characterized in that: the end of described 12 optical fiber is side by side linearly equidistantly arranged, and spacing is 0.25mm.
5. the light transmitting-receiving subassembly that is used for the broadband parallel optical according to claim 1 is characterized in that: the described PCBA support member (12) that is connected with substrate (09) connects by fixture (06) and the MT type optical conenctor (01) that is connected with lens mount (04).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101128206A CN102183829A (en) | 2011-05-03 | 2011-05-03 | Light receiving and transmitting assembly for broadband parallel optics |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101128206A CN102183829A (en) | 2011-05-03 | 2011-05-03 | Light receiving and transmitting assembly for broadband parallel optics |
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| CN102183829A true CN102183829A (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011101128206A Pending CN102183829A (en) | 2011-05-03 | 2011-05-03 | Light receiving and transmitting assembly for broadband parallel optics |
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Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508342A (en) * | 2011-11-25 | 2012-06-20 | 深圳市易飞扬通信技术有限公司 | Parallel optical module and optical fiber connector |
| CN102520494A (en) * | 2012-01-13 | 2012-06-27 | 河北华美光电子有限公司 | Packaging structure of multi-mode QSFP (Quad Small Form-factor Pluggable) parallel optical transceiver module |
| CN103176250A (en) * | 2011-12-26 | 2013-06-26 | 环隆科技股份有限公司 | Optical interconnection transmission module |
| CN103246027A (en) * | 2013-05-23 | 2013-08-14 | 中航海信光电技术有限公司 | Multichannel parallel optical component capable of being passively coupled and packaging method |
| CN103257414A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel light transmitting and receiving assembly for broadband high-speed transmission |
| CN103326772A (en) * | 2013-05-29 | 2013-09-25 | 武汉光迅科技股份有限公司 | Mini-sized array detector |
| CN103885143A (en) * | 2014-04-15 | 2014-06-25 | 昆山柯斯美光电有限公司 | Chip array and parallel optical fiber coupled alignment assembly and manufacturing method of chip array and parallel optical fiber coupled alignment assembly |
| CN103984068A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | QFN packaged and broadband high-speed transmitted parallel optical transceiver module |
| CN103984067A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | Optical device allowing multi-channel light beam splitting to be achieved |
| CN104216078A (en) * | 2013-05-29 | 2014-12-17 | 安华高科技通用Ip(新加坡)公司 | Optics system for use in a parallel optical communications module |
| WO2014179511A3 (en) * | 2013-04-30 | 2014-12-24 | Finisar Corporation | Thermal management structures for optoelectronic modules |
| CN104834063A (en) * | 2014-06-16 | 2015-08-12 | 硅光电科技股份有限公司 | Optical-coupling packaging part with locking device, and method |
| 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 |
| CN106950652A (en) * | 2016-01-06 | 2017-07-14 | 中兴通讯股份有限公司 | Optical waveguide assembly |
| CN109115251A (en) * | 2017-06-22 | 2019-01-01 | 广州市合熠电子科技有限公司 | A kind of biplate shape D-shaped lens area type color fibre optical sensor |
| CN109964160A (en) * | 2016-11-28 | 2019-07-02 | 恩普乐股份有限公司 | The manufacturing method of optical module and optical module |
| CN110426793A (en) * | 2018-08-02 | 2019-11-08 | 祥茂光电科技股份有限公司 | Fiber-optical socket and optical transceiver |
| CN110780391A (en) * | 2019-11-12 | 2020-02-11 | 杭州耀芯科技有限公司 | Optical fiber connection optical assembly |
| CN111279237A (en) * | 2017-11-16 | 2020-06-12 | 株式会社藤仓 | Ferrule structure |
| CN111948763A (en) * | 2019-05-16 | 2020-11-17 | 讯芯电子科技（中山）有限公司 | Light emitting module, optical communication module and method for manufacturing light emitting module |
| CN113799466A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Grating plate and light guide plate laminating system and method |
| CN115276807A (en) * | 2022-07-29 | 2022-11-01 | 中航光电科技股份有限公司 | Cableless optical transmission module |
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| US20030026554A1 (en) * | 2001-07-16 | 2003-02-06 | Photonage, Inc. | Multi-channel fiber-optical connector |
| CN101809477A (en) * | 2007-09-27 | 2010-08-18 | 里夫莱克斯光子公司 | A two substrate parallel optical sub-assembly |
| CN202083816U (en) * | 2011-05-03 | 2011-12-21 | 苏州旭创科技有限公司 | Optical transceiver module for broadband parallel optics |
Cited By (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102508342A (en) * | 2011-11-25 | 2012-06-20 | 深圳市易飞扬通信技术有限公司 | Parallel optical module and optical fiber connector |
| CN103176250A (en) * | 2011-12-26 | 2013-06-26 | 环隆科技股份有限公司 | Optical interconnection transmission module |
| CN102520494B (en) * | 2012-01-13 | 2014-11-05 | 河北华美光电子有限公司 | Packaging structure of multi-mode QSFP (Quad Small Form-factor Pluggable) parallel optical transceiver module |
| CN102520494A (en) * | 2012-01-13 | 2012-06-27 | 河北华美光电子有限公司 | Packaging structure of multi-mode QSFP (Quad Small Form-factor Pluggable) parallel optical transceiver module |
| US9788417B2 (en) | 2013-04-30 | 2017-10-10 | Finisar Corporation | Thermal management structures for optoelectronic modules |
| WO2014179511A3 (en) * | 2013-04-30 | 2014-12-24 | Finisar Corporation | Thermal management structures for optoelectronic modules |
| CN103257414A (en) * | 2013-05-07 | 2013-08-21 | 苏州旭创科技有限公司 | Parallel light transmitting and receiving assembly for broadband high-speed transmission |
| CN103246027B (en) * | 2013-05-23 | 2015-04-22 | 中航海信光电技术有限公司 | Multichannel parallel optical component capable of being passively coupled and packaging method |
| CN103246027A (en) * | 2013-05-23 | 2013-08-14 | 中航海信光电技术有限公司 | Multichannel parallel optical component capable of being passively coupled and packaging method |
| CN104216078A (en) * | 2013-05-29 | 2014-12-17 | 安华高科技通用Ip(新加坡)公司 | Optics system for use in a parallel optical communications module |
| CN103326772B (en) * | 2013-05-29 | 2016-09-14 | 武汉光迅科技股份有限公司 | A kind of miniaturization detector array |
| CN103326772A (en) * | 2013-05-29 | 2013-09-25 | 武汉光迅科技股份有限公司 | Mini-sized array detector |
| CN103885143A (en) * | 2014-04-15 | 2014-06-25 | 昆山柯斯美光电有限公司 | Chip array and parallel optical fiber coupled alignment assembly and manufacturing method of chip array and parallel optical fiber coupled alignment assembly |
| CN103885143B (en) * | 2014-04-15 | 2016-06-15 | 昆山柯斯美光电有限公司 | The assembly that chip array and parallel optical fibre are coupled and aligned and its preparation method |
| CN103984067A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | Optical device allowing multi-channel light beam splitting to be achieved |
| CN103984068A (en) * | 2014-06-03 | 2014-08-13 | 苏州洛合镭信光电科技有限公司 | QFN packaged and broadband high-speed transmitted parallel optical transceiver module |
| CN103984068B (en) * | 2014-06-03 | 2016-07-27 | 苏州洛合镭信光电科技有限公司 | The parallel light transceiver component of the broadband high-speed transmission of QFN encapsulation |
| CN103984067B (en) * | 2014-06-03 | 2016-08-17 | 苏州洛合镭信光电科技有限公司 | Realize the optical device of multichannel light beam splitting |
| CN104834063A (en) * | 2014-06-16 | 2015-08-12 | 硅光电科技股份有限公司 | Optical-coupling packaging part with locking device, and method |
| 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 |
| 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 |
| 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 |
| CN106950652A (en) * | 2016-01-06 | 2017-07-14 | 中兴通讯股份有限公司 | Optical waveguide assembly |
| CN109964160A (en) * | 2016-11-28 | 2019-07-02 | 恩普乐股份有限公司 | The manufacturing method of optical module and optical module |
| CN109115251A (en) * | 2017-06-22 | 2019-01-01 | 广州市合熠电子科技有限公司 | A kind of biplate shape D-shaped lens area type color fibre optical sensor |
| CN111279237A (en) * | 2017-11-16 | 2020-06-12 | 株式会社藤仓 | Ferrule structure |
| CN110426793A (en) * | 2018-08-02 | 2019-11-08 | 祥茂光电科技股份有限公司 | Fiber-optical socket and optical transceiver |
| CN111948763A (en) * | 2019-05-16 | 2020-11-17 | 讯芯电子科技（中山）有限公司 | Light emitting module, optical communication module and method for manufacturing light emitting module |
| CN110780391A (en) * | 2019-11-12 | 2020-02-11 | 杭州耀芯科技有限公司 | Optical fiber connection optical assembly |
| CN113799466A (en) * | 2020-06-12 | 2021-12-17 | 神讯电脑(昆山)有限公司 | Grating plate and light guide plate laminating system and method |
| CN115276807A (en) * | 2022-07-29 | 2022-11-01 | 中航光电科技股份有限公司 | Cableless optical transmission module |
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Application publication date: 20110914 |