CN105572811A - Surface-mounted type laser module group - Google Patents
Surface-mounted type laser module group Download PDFInfo
- Publication number
- CN105572811A CN105572811A CN201510728784.4A CN201510728784A CN105572811A CN 105572811 A CN105572811 A CN 105572811A CN 201510728784 A CN201510728784 A CN 201510728784A CN 105572811 A CN105572811 A CN 105572811A
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- Prior art keywords
- diode
- laser
- optical element
- laser module
- surperficial fixed
- Prior art date
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Classifications
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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
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4244—Mounting of the optical elements
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
-
- 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
- G02B6/4219—Mechanical fixtures for holding or positioning the elements relative to each other in the couplings; Alignment methods for the elements, e.g. measuring or observing methods especially used therefor
- G02B6/4236—Fixing or mounting methods of the aligned elements
- G02B6/4245—Mounting of the opto-electronic elements
-
- 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
- G02B6/4296—Coupling light guides with opto-electronic elements coupling with sources of high radiant energy, e.g. high power lasers, high temperature light sources
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Semiconductor Lasers (AREA)
Abstract
The invention provides a surface-mounted type laser module group, and the module group comprises a housing, a vertical resonant cavity surface emitting type laser diode unit, at least one optical element, and a substrate which is disposed in the housing and is integrated with the vertical resonant cavity surface emitting type laser diode unit. The substrate is provided with at least one surface transmission mechanism which is exposed outside the substrate and the housing, so as to allow an electronic signal to pass through the substrate. The optical element is located at an opening of the housing or nearby the opening, and is used for the passing of a laser beam supplied by the vertical resonant cavity surface emitting type laser diode unit. The module group employs a mode of fixing an element on a surface, can effectively reduce the overall size, and is suitable to be used on light, thin and short electronic equipment of a hand-held device and a wearable device.
Description
Technical field
The present invention about a kind of laser module, especially about a kind of laser module of surperficial retaining element type.
Background technology
Refer to Fig. 1, it is the part-structure perspective diagram of existing laser module.Existing laser module 1 adopts the form of coaxial packaging (TOCAN), comprise shade 11, pedestal 12, laser diode 13, light sensation diode 14, radiating piece 15, first leg 16 and the second leg 17, and radiating piece 15 and light sensation diode 14 are fixedly arranged on pedestal 12, laser diode 13 is then arranged on radiating piece 15; Wherein, laser diode 13 and light sensation diode 14 are connected to the first leg 16 and the second leg 17 through electric wire 19,18 respectively, and the first leg 16 and the second leg 17 are passed down through pedestal 12 and outside protruding from respectively, its be used for through the circuit board (not shown) of an outside perforation with so that on circuit boards soldered, thus, the transmission of electronic signal can just be carried out between laser module 1 and circuit board.
Moreover shade 11 is arranged on pedestal 12, be used for ladle cover laser diode 13, light sensation diode 14 and radiating piece 15, and shade 11 has an opening 111, and settle on it for collimating lens; Laser beam L1 can be provided when laser diode 13 receives electric power via the first leg 16, and most laser beam L11 can advance toward opening 111 direction of shade 11, and in through the backward outer output of collimation lens 10, the laser beam L12 of small part then projects toward the direction of light sensation diode 14, carries out light detecting for light sensation diode 14; Wherein, light sensation diode 14 can produce detection signal in the process of detecting, and makes those detection signals transfer to circuit board via the second leg 17, for follow-up relevant control program.
Special instruction, in the past in order to laser module 1 is welded on circuit board, laser module 1 needed additionally arrange the first leg 16 and the second leg 17 be used for through circuit board; But, this kind of leg has the restriction of its minimum dimension, otherwise leg is just easy to be fractureed because of external force, but so packaged type causes laser module 1 cannot effective microminiaturization, and more leisure opinion is applied on the electronic equipment of light, thin, the short and small design such as hand-held device, Wearable device.
Moreover, existing laser module 1 when integrating optical element (as collimation lens 10) because of the restriction of itself structure often cause take up space excessive, be also cannot one of the reason reaching small form factor requirements.Separately, existing laser module 1 is mostly based on single light emitting source, thus cannot meet the demand of multiple light courcess now needed for electronic equipment or multi-wavelength, and then limit to the fast development of the electronic equipment such as hand-held device, Wearable device; According to above explanation, existing laser module 1 is still to be improved.
Summary of the invention
One of the technical problem to be solved in the present invention is, for prior art above shortcomings, a kind of surperficial retaining element (surfacemounteddevice is provided, SMD) the laser module of type, the overall volume of the electronic installation making it apply is reduced, and incorporate diffraction optical element due to laser module, therefore there is the effect of laser diffraction projection; Again, laser module also can have multiple vertical cavity surface emitting laser (VCSEL) diode, therefore can meet the demand of multiple light courcess now needed for electronic equipment or multi-wavelength, and then accelerates the development of the electronic equipment such as hand-held device, Wearable device.
The technical solution adopted for the present invention to solve the technical problems is to provide a kind of surperficial fixed laser module, it comprises housing, pedestal, vertical cavity surface emitting laser (VCSEL) diode (vertical-cavitysurface-emittinglaserdiode, VCSEL) unit and at least one optical element, this housing has an opening; This pedestal to be placed in this housing and to have and is exposed at least one surface delivery structure outside this pedestal and this housing at least one electronic signal by wherein; This vertical cavity surface emitting laser (VCSEL) diode is fixed on this pedestal and provides at least one laser beam; This at least one optical element is fixed on this housing and is positioned at an adjacent place of this opening or this opening; Wherein, this vertical cavity surface emitting laser (VCSEL) diode is between this pedestal and this at least one optical element, and the Part I in this at least one laser beam is in being projected to this at least one optical element and being carried out the backward outer output of optical processing by this at least one optical element.
Preferably, this surperficial fixed laser module also comprises at least one light sensation diode being arranged at this pedestal; Wherein, the Part II in this at least one laser beam is projected to this light sensation diode and detects for this light sensation diode.
Preferably, the central laser light beam in this at least one laser beam is advanced from a center of a light-emitting zone of this vertical cavity surface emitting laser (VCSEL) diode towards the direction of a photocentre of this at least one optical element.
Preferably, this at least one optical element comprises a collimation optics, in order to collimation by laser beam wherein.
Preferably, this at least one optical element also comprises a diffraction optical element, in order to carry out beam shaping to the laser beam by this collimation optics and outwards to export.
Preferably, the distance between a primary optic axis of this collimation optics and one second optical axis of this diffraction optical element is less than 0.2 millimeter.
Preferably, the angle between a primary optic axis of this collimation optics and one second optical axis of this diffraction optical element is less than 2.5 degree.
Preferably, this collimation optics and this diffraction optical element are integrated into single optical structure.
Preferably, an effective focal length f of this collimation optics meets following condition: f<1.5 millimeter.
Preferably, a numerical aperture N.A. of this collimation optics meets following condition: N.A.<0.5.
Preferably, this surperficial fixed laser module also comprises another vertical cavity surface emitting laser (VCSEL) diode, and multiple laser beams that this collimation optics provides in order to collimate this vertical cavity surface emitting type diode and this another vertical cavity surface emitting laser (VCSEL) diode.
Preferably, this at least one optical element is coated with an anti-reflective film (anti-reflectioncoating).
Preferably, this at least one surface delivery structure comprises at least one electric pad or at least one pin.
Preferably, this vertical cavity surface emitting laser (VCSEL) diode comprises multiple laser diode chip, to provide multiple laser beam.
Preferably, this surperficial fixed laser module also comprises and is arranged at light sensation diode outside this pedestal and light-guide device, and this light-guide device is advanced toward this light sensation diode in order to a Part II of guiding in this at least one laser beam, detects for this light sensation diode.
Laser module is designed to the form of surperficial retaining element (surfacemounteddevice, SMD) by the present invention, effectively can reduce overall volume, therefore can be applied on the electronic equipment of light, thin, the short and small design such as hand-held device, Wearable device; And diffraction optical element is integrated in surperficial fixed laser module due to the present invention, the effect making laser diffraction project is played; In addition, laser module of the present invention also can have multiple vertical cavity surface emitting laser (VCSEL) diode, therefore can meet the demand of multiple light courcess now needed for electronic equipment or multi-wavelength, and then accelerates the development of the electronic equipment such as hand-held device, Wearable device.
Accompanying drawing explanation
Fig. 1: be the part-structure schematic diagram of existing laser module.
Fig. 2: for the present invention surface fixed laser module is in the surface structure schematic diagram of one first preferred embodiment.
Fig. 3: be the perspective exploded view of Fig. 2 institute presentation surface fixed laser module.
Fig. 4: be the part-structure front view of Fig. 2 institute presentation surface fixed laser module.
Fig. 5: for the present invention surface fixed laser module is in the structural representation of the part-structure of one second preferred embodiment.
Fig. 6: for the present invention surface fixed laser module is in the structural representation of the part-structure of one the 3rd preferred embodiment.
Embodiment
Refer to Fig. 2 ~ Fig. 4, Fig. 2 is that the present invention surface fixed laser module is in the surface structure schematic diagram of one first preferred embodiment, Fig. 3 is the perspective exploded view of Fig. 2 institute presentation surface fixed laser module, and Fig. 4 is the part-structure front view of Fig. 2 institute presentation surface fixed laser module.Surface fixed laser module 2 comprises a housing 21, pedestal 22, one vertical cavity surface emitting laser (VCSEL) diode (vertical-cavitysurface-emittinglaserdiode, VCSEL) unit 23, two light sensation diode (PD) unit 24 and multiple optical elements 25, and pedestal 22 is placed in housing 21, it carries one or more vertical cavity surface emitting laser (VCSEL) diode 23 and light sensation diode 24, and the depression that can provide a flat surfaces or have a bottom surface fixes one or more vertical cavity surface emitting laser (VCSEL) diode 23 and light sensation diode 24.Wherein, pedestal 22 has the multiple surface delivery structures 221 be exposed to outside pedestal 22 and housing 21, its thickness is much smaller than thickness with housing 21 of pedestal 22, and can pass through tin cream and be welded in (not shown) on circuit board, make the electronic signal from surperficial fixed laser module 2 by transmission enters circuit board by surface delivery structure 221, and also can enter surperficial fixed laser module 2 by being transmitted by surface delivery structure 221 from the electronic signal of circuit board.Preferably, surface delivery structure 221 can the form of electric pad or the form of pin present, but is not limited with above-mentioned.Again, although the pedestal 22 in diagram presents with the form of rectangular parallelepiped, not as limit, application can design according to actual demand.
Again, housing 21 and/or pedestal 22 can provide heat radiation, and housing 21 has an opening 211, the round-shaped and size (shown in not limitting on figure) of its split shed 211, also can be other shape and size, mainly allowing the laser beam in the housing 21 of alternatively non-transparent can be extraneous by arriving.Moreover, the plurality of optical element 25 is arranged at the adjacent place of opening 211 place or opening 211, and vertical cavity surface emitting laser (VCSEL) diode 23 comprises a laser diode chip 231, it is in the horizontal direction between two light sensation diodes 24, is then in vertical direction between pedestal 22 and the plurality of optical element 25.Wherein, vertical cavity surface emitting laser (VCSEL) diode 23 can provide multiple laser beam L2 after reception electric power (as received electric power via surface delivery structure 221), and Part I (major part) the light beam L21 of those laser beams L2 advances towards the opening 211 of housing 21, and then carry out optical processing for the plurality of optical element 25 and outwards export; In addition, Part II (secondary part) the light beam L22 of those laser beams L2 then projects toward the direction of light sensation diode 24, light detecting is carried out for light sensation diode 24, and light sensation diode 24 can produce detection signal in the process of detecting, and those detection signals are outwards transmitted, for follow-up relevant control program via surface delivery structure 221.
In this preferred embodiment, the plurality of optical element 25 comprises collimation optics 251 and a diffraction optical element 252 (diffractiveopticalelement, DOE), and collimation optics 251 is fixedly arranged on opening 211 place of housing 21, diffraction optical element 252 is then positioned at the top of collimation optics 251, and is fixedly arranged on groove 212 place on housing 21.Wherein, collimation optics 251 is in order to collimate the laser beam L21 launched from vertical cavity surface emitting laser (VCSEL) diode 23, make to be incident to diffraction optical element 252 by the laser beam L21 of collimation optics 251 with preferably incident direction, diffraction optical element 252 is then in order to carry out beam shaping to the laser beam L21 by collimation optics 251 and outwards to export.In general, the lines through diffraction optical element 252 designs, and surperficial fixed laser module 2 can be made to become the generator of ad hoc structure light source, and can play the effect of laser diffraction projection; Only, diffraction optical element originally known as the art those of ordinary skill, is namely no longer repeated at this.
Again, in this preferred embodiment, collimation optics 251 and/or diffraction optical element 252 can be coated with anti-reflective film (anti-reflectioncoating) respectively to improve light transmittance, and the effective focal length f of collimation optics 251 and numerical aperture N.A. meets following condition respectively: f<1.5 millimeter, N.A.<0.5, but be not limited with above-mentioned; Wherein, side-play amount between the optical axis 2511 of collimation optics 251 and the optical axis 2521 (the second optical axis) of diffraction optical element 252 is to be less than 0.2 millimeter for good, and the angle between the optical axis 2511 of collimation optics 251 and the optical axis 2521 of diffraction optical element 252 is good to be less than 2.5 degree.Preferably, but not to be limited, the central laser light beam L211 in those laser beams L21 advances from the center of the light-emitting zone of vertical cavity surface emitting laser (VCSEL) diode 23 towards the direction of the photocentre 2512,2522 (light is constant by the fore-and-aft direction of these points) of those optical elements 25.
Again, in another preferred embodiment, collimation optics 251 and diffraction optical element 252 are integrated into single optical structure; Selectively, one plate body is arranged between collimation optics 251 and diffraction optical element 252, and in order to overcome the error because collimation optics 251 causes with the integration of diffraction optical element 252, plate body adopts the material being different from collimation optics 251 and diffraction optical element 252, to revise the penetration direction of laser beam L21 and to improve light transmittance.
Certainly, above are only embodiment, the art those of ordinary skill can carry out the design for change of any equalization according to practical application request, for example, although the surperficial fixed laser module in above-described embodiment only comprises single vertical cavity surface emitting laser (VCSEL) diode 23, change and be designed to as shown in Figure 5.Refer to Fig. 5, it is that the present invention surface fixed laser module is in the structural representation of the part-structure of one second preferred embodiment.The surperficial fixed laser module of this second preferred embodiment is roughly similar to person described in aforementioned first preferred embodiment, is namely no longer repeated at this; And this preferred embodiment and aforementioned preferred embodiment different be in, pedestal 22 comprises multiple vertical cavity surface emitting laser (VCSEL) diode 23 and suitable configuration done by multiple light sensation diode 24, and multiple laser beam L21 that the plurality of vertical cavity surface emitting laser (VCSEL) diode 23 provides all are incident to diffraction optical element 252 after collimation optics 251 collimates; In like manner, similar mode also can be utilized to reach object of the present invention when vertical cavity surface emitting laser (VCSEL) diode 23 has multiple laser diode chip.Certainly, the quantity of collimation optics 251 is also unrestricted, as surperficial fixed laser module can comprise multiple collimation optics 251 corresponding to these cavity surface emitting laser diode unit 23.
Again for example, although the light sensation diode 24 of surperficial fixed laser module is all be arranged on pedestal 22 in above-described embodiment, changes and be designed to as shown in Figure 6.Refer to Fig. 6, it is that the present invention surface fixed laser module is in the structural representation of the part-structure of one the 3rd preferred embodiment.The surperficial fixed laser module of this preferred embodiment is roughly similar to person described in first and second preferred embodiment aforementioned, is namely no longer repeated at this; And this preferred embodiment and aforementioned preferred embodiment different be in, light sensation diode 24 is the outsides being arranged at pedestal 22, and surperficial fixed laser module more comprises light-guide device 27, when the segment beam being used to laser beam L2 is incident on it, guiding light beam L2 advances toward light sensation diode 24, and then make the light sensation diode 24 be arranged at outside pedestal 22 to carry out light detecting, as the explanation of previous embodiment, light sensation diode 24 can produce detection signal, for follow-up relevant control program in the process of detecting.
In this preferred embodiment, light sensation diode 24 can be a plane formula (planartype) light sensation diode or mound shape formula (dometype) light sensation diode, and light-guide device 27 can be a light reflection element or a diffraction optical element (DOE), and can be designed in a film-form or be formed in the mode of coating (coating).Only above are only an embodiment, the form of light sensation diode, the position of light-guide device, form and generation type thereof are not limited with above-mentioned.
What illustrate is, laser module is designed to surperficial retaining element (surfacemounteddevice by the present invention, SMD) form, effectively can reduce overall volume, therefore can be applied on the electronic equipment of light, thin, the short and small design such as hand-held device, Wearable device; And diffraction optical element is integrated in surperficial fixed laser module due to the present invention, the effect making laser diffraction project is played; In addition, laser module of the present invention also can have multiple vertical cavity surface emitting laser (VCSEL) diode, therefore can meet the demand of multiple light courcess now needed for electronic equipment or multi-wavelength, and then accelerates the development of the electronic equipment such as hand-held device, Wearable device.
The foregoing is only preferred embodiment of the present invention, and be not used to limit right of the present invention, under therefore all other does not depart from disclosed spirit, the equivalence that completes changes or modifies, and all should be contained in scope of patent protection of the present invention.
Claims (15)
1. a surperficial fixed laser module, is characterized in that, comprising:
Housing, it has an opening;
Pedestal, to be placed in this housing and to have and be exposed at least one surface delivery structure outside this pedestal and this housing at least one electronic signal by wherein;
Vertical cavity surface emitting laser (VCSEL) diode, is fixed on this pedestal and provides at least one laser beam; And
At least one optical element, it is fixed on this housing and is positioned at an adjacent place of this opening or this opening; Wherein, this vertical cavity surface emitting laser (VCSEL) diode is between this pedestal and this at least one optical element, and the Part I in this at least one laser beam is in being projected to this at least one optical element and being carried out the backward outer output of optical processing by this at least one optical element.
2. surperficial fixed laser module as claimed in claim 1, is characterized in that, this surperficial fixed laser module also comprises at least one light sensation diode being arranged at this pedestal; Wherein, the Part II in this at least one laser beam is projected to this light sensation diode and detects for this light sensation diode.
3. surperficial fixed laser module as claimed in claim 1, it is characterized in that, the central laser light beam in this at least one laser beam is advanced from a center of a light-emitting zone of this vertical cavity surface emitting laser (VCSEL) diode towards the direction of a photocentre of this at least one optical element.
4. surperficial fixed laser module as claimed in claim 1, it is characterized in that, this at least one optical element comprises a collimation optics, in order to collimation by laser beam wherein.
5. surperficial fixed laser module as claimed in claim 4, it is characterized in that, this at least one optical element also comprises a diffraction optical element, in order to carry out beam shaping to the laser beam by this collimation optics and outwards to export.
6. surperficial fixed laser module as claimed in claim 5, is characterized in that, the distance between a primary optic axis of this collimation optics and one second optical axis of this diffraction optical element is less than 0.2 millimeter.
7. surperficial fixed laser module as claimed in claim 5, is characterized in that, the angle between a primary optic axis of this collimation optics and one second optical axis of this diffraction optical element is less than 2.5 degree.
8. surperficial fixed laser module as claimed in claim 5, it is characterized in that, this collimation optics and this diffraction optical element are integrated into single optical structure.
9. surperficial fixed laser module as claimed in claim 4, it is characterized in that, an effective focal length f of this collimation optics meets following condition: f<1.5 millimeter.
10. surperficial fixed laser module as claimed in claim 4, it is characterized in that, a numerical aperture N.A. of this collimation optics meets following condition: N.A.<0.5.
11. surperficial fixed laser modules as claimed in claim 4, it is characterized in that, this surperficial fixed laser module also comprises another vertical cavity surface emitting laser (VCSEL) diode, and multiple laser beams that this collimation optics provides in order to collimate this vertical cavity surface emitting type diode and this another vertical cavity surface emitting laser (VCSEL) diode.
12. surperficial fixed laser modules as claimed in claim 1, is characterized in that, this at least one optical element is coated with an anti-reflective film.
13. surperficial fixed laser modules as claimed in claim 1, it is characterized in that, this at least one surface delivery structure comprises at least one electric pad or at least one pin.
14. surperficial fixed laser modules as claimed in claim 1, it is characterized in that, this vertical cavity surface emitting laser (VCSEL) diode comprises multiple laser diode chip, to provide multiple laser beam.
15. surperficial fixed laser modules as claimed in claim 1, it is characterized in that, this surperficial fixed laser module also comprises and is arranged at light sensation diode outside this pedestal and light-guide device, and this light-guide device is advanced toward this light sensation diode in order to a Part II of guiding in this at least one laser beam, detects for this light sensation diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510728784.4A CN105572811B (en) | 2014-10-31 | 2015-10-30 | Surface fixed laser module |
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410610290 | 2014-10-31 | ||
| CN2014106102901 | 2014-10-31 | ||
| US14/595818 | 2015-01-13 | ||
| US14/595,818 US20160124240A1 (en) | 2014-10-31 | 2015-01-13 | Surface mount device type laser module |
| CN201510728784.4A CN105572811B (en) | 2014-10-31 | 2015-10-30 | Surface fixed laser module |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105572811A true CN105572811A (en) | 2016-05-11 |
| CN105572811B CN105572811B (en) | 2018-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510728784.4A Active CN105572811B (en) | 2014-10-31 | 2015-10-30 | Surface fixed laser module |
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| CN (1) | CN105572811B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109638634A (en) * | 2018-12-14 | 2019-04-16 | 上海灿瑞科技股份有限公司 | A kind of radium-shine light emitting devices |
| CN109980497A (en) * | 2019-04-15 | 2019-07-05 | 上海灿瑞科技股份有限公司 | Laser light light emitting device |
| CN110824722A (en) * | 2018-08-07 | 2020-02-21 | 宁波舜宇光电信息有限公司 | Structured light projection module assembly device and projection module assembly and detection method |
| CN112166483A (en) * | 2018-06-05 | 2021-01-01 | 金刚石电机株式会社 | Ignition coil for internal combustion engine and method for manufacturing the same |
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| CN1746710A (en) * | 2004-09-06 | 2006-03-15 | 三菱电机株式会社 | Optical transmitter and receiver module |
| US20080056648A1 (en) * | 2006-09-05 | 2008-03-06 | Yun-Kyung Oh | Optical module and optical communication system using the same |
| CN102043208A (en) * | 2009-10-09 | 2011-05-04 | 昂科公司 | Cooled laser module |
| CN102377104A (en) * | 2010-08-20 | 2012-03-14 | 住友电气工业株式会社 | Optical module with ceramic package |
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|---|---|---|---|---|
| CN1746710A (en) * | 2004-09-06 | 2006-03-15 | 三菱电机株式会社 | Optical transmitter and receiver module |
| US20080056648A1 (en) * | 2006-09-05 | 2008-03-06 | Yun-Kyung Oh | Optical module and optical communication system using the same |
| CN102043208A (en) * | 2009-10-09 | 2011-05-04 | 昂科公司 | Cooled laser module |
| CN102377104A (en) * | 2010-08-20 | 2012-03-14 | 住友电气工业株式会社 | Optical module with ceramic package |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112166483A (en) * | 2018-06-05 | 2021-01-01 | 金刚石电机株式会社 | Ignition coil for internal combustion engine and method for manufacturing the same |
| CN112166483B (en) * | 2018-06-05 | 2024-04-19 | 金刚石捷步拉电机株式会社 | Ignition coil for internal combustion engine and method for manufacturing the same |
| CN110824722A (en) * | 2018-08-07 | 2020-02-21 | 宁波舜宇光电信息有限公司 | Structured light projection module assembly device and projection module assembly and detection method |
| CN109638634A (en) * | 2018-12-14 | 2019-04-16 | 上海灿瑞科技股份有限公司 | A kind of radium-shine light emitting devices |
| CN109980497A (en) * | 2019-04-15 | 2019-07-05 | 上海灿瑞科技股份有限公司 | Laser light light emitting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105572811B (en) | 2018-04-20 |
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