CN108333695A - Tunable receiving end shell based on NGPON2 technologies and receiving terminal component - Google Patents
Tunable receiving end shell based on NGPON2 technologies and receiving terminal component Download PDFInfo
- Publication number
- CN108333695A CN108333695A CN201810287692.0A CN201810287692A CN108333695A CN 108333695 A CN108333695 A CN 108333695A CN 201810287692 A CN201810287692 A CN 201810287692A CN 108333695 A CN108333695 A CN 108333695A
- Authority
- CN
- China
- Prior art keywords
- cavity
- technologies
- ngpon2
- tunable
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- G02B6/4256—Details of housings
- G02B6/426—Details of housings mounting, engaging or coupling of the package to a board, a frame or a panel
-
- 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
- G02B6/4204—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms
- G02B6/4215—Packages, e.g. shape, construction, internal or external details the coupling comprising intermediate optical elements, e.g. lenses, holograms the intermediate optical elements being wavelength selective optical elements, e.g. variable wavelength optical modules or wavelength lockers
-
- 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
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4267—Reduction of thermal stress, e.g. by selecting thermal coefficient of materials
-
- 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
- G02B6/4266—Thermal aspects, temperature control or temperature monitoring
- G02B6/4268—Cooling
- G02B6/4271—Cooling with thermo electric cooling
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Receiving Elements (AREA)
Abstract
The present invention relates to fields of light devices, and in particular to applies the optical device in second generation PON technologies.Propose tunable receiving end shell and receiving terminal component based on NGPON2 technologies, receiving end shell is internally provided with the position that pipe receivers are encapsulated for placing tunable filter, condenser lens and single channel TO, and good thang-kng can be carried out between each cavity of enclosure interior, by can be carried out wavelength selection after device needed for installation, realize the purpose that multichannel reception can be completed using a light-receiving component, advantageously reduce cost, message capacity is improved, is laid the foundation for next generation's PON technologies.Tunable receiving terminal component is the light-receiving component based on above-mentioned housing design, is installed by the cooperation of 0 ° of filter and the components such as adjustable EATLON filters and condenser lens, and the purpose that can receive multichannel light using a light-receiving component is realized.
Description
Technical field
The present invention relates to fields of light devices, and in particular to applies the optical device in second generation PON technologies.
Background technology
With the development of technology, 10GPON is just gradually to the NGPON2 of more capacity, wider coverage area, more high energy efficiency
(Next Generation Passive Optical Network Stage 2, next-generation passive optical access network second stage)
Evolution.10GPON technologies application at present is single channel laser device, and receiving terminal generally uses the light-receiving of TO encapsulating structures
Component, and NGPON2 technical characterstics are can to increase channel capacity and raising switch speed, the single channel of existing 10GPON technologies
Signal reception is bound to cannot meet the needs of next-generation PON technologies, therefore designs one kind and disclosure satisfy that multichannel optical signal receives
And lower-cost receiving terminal component is technical problem urgently to be resolved hurrily in NGPON2 Technique Popularizings and application.
Invention content
To solve problems of the prior art, the present invention proposes the receiving end shell being exclusively used in NGPON2 technologies
And component, receiving end shell use Seal Design, can built-in a variety of devices, delicate structure disclosure satisfy that multichannel optical signal connects
The demand of receipts；Based on the receiving terminal component of above-mentioned receiving end shell design, realized using one by the thermal tuning of filter
A light-receiving component is the purpose that can receive multichannel light.
To achieve the above object, the technical solution adopted by the present invention is：Tunable reception end housing based on NGPON2 technologies
Body, including：It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, first light hole
Place is fixed with 0 ° of filter plate；
With the cavity positioned at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
The first cavity is stated for placing wavelength tuning device, is arranged leaded on the side wall of the first cavity, the lead is by the first cavity
Internal stretch to containment portion, the bottom plate center of first cavity offers second thang-kng opposite with the first light hole
Hole；It is isolated using thang-kng glass capsulation between second cavity and the first cavity；The company of the third cavity and the second cavity
Logical place is used for fixed focus lenses, and the third cavity is for placing light receiving element.
The lead is by glass solder sealing welding on the side wall of the first cavity.
The bottom plate of first cavity uses Tungsten-copper Composites.
The shell is integrally machined molding using kovar alloy or tungsten copper.
The size of the shell is Φ 6.6*5.6mm.
The tunable receiving terminal component based on NGPON2 technologies using above-mentioned shell is also proposed, including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, consolidates at first light hole
Surely there is 0 ° of filter plate；
With the cavity positioned at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
State and be pasted with tunable filter component on the bottom plate of the first cavity, be arranged on the side wall of first cavity it is leaded, it is described to draw
For line by the internal stretch of the first cavity to containment portion, the circuit lead of the tunable filter component is tied to chamber by gold thread
On the lead in internal portion, first well floor center offers second light hole opposite with the first light hole；Described
It is sealed off using transparent glass between two cavitys and the first cavity；The connectivity part of the third cavity and the second cavity is fixed with
Condenser lens, the third cavity is for placing light receiving element.
The tunable filter component includes the thermoelectric cooler being mounted in the first well floor, is mounted on the thermoelectricity
The EATLON filters of refrigerator upper surface and be mounted on EATLON filters upper surface thermistor, the thermoelectricity system
Light hole is carried on cooler, and the light hole is opposite with the first light hole.
The lead is by glass solder sealing welding on the side wall of the first cavity.
The cover board is by laser welding or parallel seam welding sealing welding in case top.
The size of the shell is Φ 6.6*5.6mm.
The present invention is to solve how to receive multichannel optical signal by single channel optical receiver in NGPON2 technologies
Technical problem.It is tunable receiving end shell delicate structure in the present invention, simple for process and of low cost, it has the following advantages：
（1）Seal Design is used, cover board is welded by laser welding or parallel seam welding technology；
（2）Shell is integrally designed using kovar alloy and tungsten-copper alloy, and thermal conductivity is good, reduces power consumption；
（3）It receives housing section and has reserved the installation site of tunable filter, installation site and use for placing condenser lens
The position of pipe receivers is encapsulated in placing single channel TO, and good thang-kng can be carried out between each cavity of enclosure interior, is passed through
It can be carried out wavelength selection after device needed for installation, realize the mesh that multichannel reception can be completed using a light-receiving component
, cost is advantageously reduced, message capacity is improved, is laid the foundation for next generation's PON technologies；
（4）Shell dimension design is only Φ 6.6*5.6mm, is advantageously implemented Miniaturization Design encapsulation, can be applied to BOSA,
Triplxer etc. provides premise technology for next generation PON.
The tunable receiving terminal component of the present invention is the light-receiving component based on above-mentioned housing design, is advantageously reduced into
This, improves message capacity, has the following advantages that：
（1）Only chip being received with one, multi-center selection reception can be realized；
（2）Realize that inside and outside electrical connection, component internal mount thermoelectric cooler and thermistor, it can be achieved that having by lead connection
Temperature control is imitated, component is built-in with 0 ° of degree filter plate and ETALON filters, can reach wavelength selection purpose；
（3）Enclosure interior mounts condenser lens, is convenient for coupled outside light receiving element；
（4）Cover board uses seam weld technology, entire component to encapsulate, can be applied under adverse circumstances using housing seal；
（5）Shape smallerization, size are only Φ 6.6*5.6mm, meet optic communication device module protocol standard；
（6）Thermoelectric cooler uses design with holes, entire component to have good thang-kng effect.
Description of the drawings
Fig. 1 is the sectional view of receiving end shell in the present invention；
Fig. 2 is receiving end shell topology view in the present invention；
Fig. 3 is the sectional view of housing cover；
Fig. 4 is the topology view of housing cover；
Fig. 5 is the overall structure figure of shell；
Fig. 6 is the sectional view of receiving terminal component in the present invention.
In figure：1- cover boards, 2- shells, the first light holes of 3-, 4-0 ° of filter plate, the first cavitys of 5-, the second cavitys of 6-, 7-
Three cavitys, 8- glass solders, 9- leads, the first well floors of 10-, the second light holes of 11-, the flat glass panes of 12-, 13- temperature-sensitive electricity
Resistance, 14-EATLON filters, 15- thermoelectric cooler, 16- condenser lenses.
Specific implementation mode
The present invention is described in detail below in conjunction with the accompanying drawings.
Embodiment one：
Tunable receiving end shell based on NGPON2 technologies as shown in Figs. 1-5, including cover board 1 and shell 2.Cover board 1 passes through
In 2 top of shell, 1 center of cover board offers the first light hole 3, the first light hole 3 for laser welding or parallel seam welding sealing welding
Place is fixed with 0 ° of filter plate 4, plays thang-kng and wavelength selection purpose, passband is on required wavelength.The size of shell is Φ
6.6*5.6mm, shell are integrally designed using kovar alloy or tungsten copper, and thermal conductivity is good, reduce power consumption.
The inside of shell 2 is cavity, and cavity is respectively the first cavity 5, the second cavity 6 and third cavity 7 from top to bottom, first
Cavity 5 is provided with 6 leads 9 for placing wavelength tuning device on the side wall of first cavity 5, lead 9 is from the first cavity 5
Internal stretch is to containment portion, and for internal circuit to be connected with external circuit, lead 9 is existed by 8 sealing welding of glass solder
The side wall of first cavity 5, glass solder 8 play fixed and sealing function.First well floor 10 uses Tungsten-copper Composites, heat dissipation effect
Fruit is good.First well floor, 10 center offers the second light hole 11 corresponding with 3 hole of the first thang-kng, and the second light hole 11 is
Clear opening, to transmit light path；It is sealed off using flat glass pane 12 between second cavity 6 and the first cavity 5, flat glass pane 12
It is welded in inner walls by glass solder, plays the role of sealing thang-kng；The connectivity part of third cavity 7 and the second cavity 6
Trepanning is used for fixed focus lenses, to be converged to light path, the light receiving element in third cavity is made to obtain higher light
Electric current, third cavity 7 are used to couple the light receiving element of TO encapsulation, can be fixed on cavity TO shells are received by injecting glue
Interior, a diameter of 5.3mm of third cavity 7, a height of 1.6mm are suitable for routine TO encapsulation, consider focal length problem, third cavity 7
Height design and the selection of condenser lens needs are used cooperatively.
Embodiment two：
Tunable receiving terminal component as shown in FIG. 6 based on NGPON2 technologies, including cover board 1 and shell 2.Cover board 1 is by swashing
In 2 top of shell, 1 center of cover board offers the first light hole 3 for photocoagulation or parallel seam welding sealing welding, at the first light hole 3
It is fixed with 0 ° of filter plate 4, plays thang-kng and wavelength selection purpose, passband is on required wavelength.The size of shell is Φ
6.6*5.6mm, shell are integrally designed using kovar alloy or tungsten copper, and thermal conductivity is good, reduce power consumption.
The inside of shell 2 is cavity, and cavity is respectively the first cavity 5, the second cavity 6 and third cavity 7 from top to bottom, first
Well floor 10 uses Tungsten-copper Composites, good heat dissipation effect to be pasted with thermoelectric cooler 15, ETALON filters in the first well floor 10
Wave device 14 is attached to by elargol in thermoelectric cooler 15, and thermistor 13 is attached to elargol on EATLON filters 14.First chamber
10 center of body bottom plate offers the second light hole 11 corresponding with 3 hole of the first thang-kng, and the second light hole 11 is clear opening, thermoelectricity
With light hole on refrigerator 15, and the light hole is communicated with the second light hole, convenient for transmission light path.The side of first cavity 5
It is provided with 6 leads 9 on wall, the circuit lead of thermoelectric cooler and thermistor is tied to the lead of inside cavity by gold thread
On 9, lead 9 is connected from the internal stretch of the first cavity 5 to containment portion, by internal circuit with external circuit, and lead 9 passes through glass
For 8 sealing welding of glass solder in the side wall of the first cavity 5, glass solder 8 plays fixed and sealing function.Second cavity 6 and first
It is sealed off using flat glass pane 12 between cavity 5, flat glass pane 12 is welded in inner walls by glass solder, is played close
Seal thang-kng effect.Third cavity 7 is installed with condenser lens 16, condenser lens with the opening of the second cavity 6 being connected
16, for being converged to light path, make in third cavity 7 light receiving element obtain higher photoelectric current.Third cavity 7 is used for
Couple TO encapsulation light receiving element, can by injecting glue receive TO shells fix in the cavity, third cavity 7 it is a diameter of
5.3mm, a height of 1.6mm are suitable for routine TO encapsulation, consider focal length problem, height design and the condenser lens of third cavity 7
Selection needs to be used cooperatively.
Claims (10)
1. the tunable receiving end shell based on NGPON2 technologies, it is characterised in that：Including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, consolidates at first light hole
Surely there is 0 ° of filter plate；
With the cavity positioned at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
The first cavity is stated for placing wavelength tuning device, is arranged leaded on the side wall of the first cavity, the lead is by the first cavity
Internal stretch to containment portion, the bottom plate center of first cavity offers second thang-kng opposite with the first light hole
Hole；It is isolated using thang-kng glass capsulation between second cavity and the first cavity；The company of the third cavity and the second cavity
Logical place is used for fixed focus lenses, and the third cavity is for placing light receiving element.
2. the tunable receiving end shell according to claim 1 based on NGPON2 technologies, it is characterised in that：The lead
By glass solder sealing welding on the side wall of the first cavity.
3. the tunable receiving end shell according to claim 1 based on NGPON2 technologies, it is characterised in that：Described first
The bottom plate of cavity uses Tungsten-copper Composites.
4. the tunable receiving end shell according to claim 1 based on NGPON2 technologies, it is characterised in that：The shell
Molding is integrally machined using kovar alloy or tungsten copper.
5. the tunable receiving end shell according to claim 1 based on NGPON2 technologies, it is characterised in that：The shell
Size be Φ 6.6*5.6mm.
6. the tunable receiving terminal component based on NGPON2 technologies, it is characterised in that：Including：
It is fixed on the seal cover board of case top, the cover plate central offers the first light hole, consolidates at first light hole
Surely there is 0 ° of filter plate；
With the cavity positioned at enclosure interior, the cavity is respectively the first cavity, the second cavity and third cavity, institute from top to bottom
State and be pasted with tunable filter component on the bottom plate of the first cavity, be arranged on the side wall of first cavity it is leaded, it is described to draw
For line by the internal stretch of the first cavity to containment portion, the circuit lead of the tunable filter component is tied to chamber by gold thread
On the lead in internal portion, first well floor center offers second light hole opposite with the first light hole；Described
It is sealed off using transparent glass between two cavitys and the first cavity；The connectivity part of the third cavity and the second cavity is fixed with
Condenser lens, the third cavity is for placing light receiving element.
7. the tunable receiving terminal component according to claim 6 based on NGPON2 technologies, it is characterised in that：It is described adjustable
Filter assembly includes the thermoelectric cooler being mounted in the first well floor, is mounted on the thermoelectric cooler upper surface
EATLON filters and be mounted on EATLON filters upper surface thermistor, thang-kng is carried in the thermoelectric cooler
Hole, and the light hole is opposite with the first light hole.
8. the tunable receiving terminal component according to claim 6 based on NGPON2 technologies, it is characterised in that：The lead
By glass solder sealing welding on the side wall of the first cavity.
9. the tunable receiving terminal component according to claim 6 based on NGPON2 technologies, it is characterised in that：The cover board
By laser welding or parallel seam welding sealing welding in case top.
10. the tunable receiving terminal component according to claim 6 based on NGPON2 technologies, it is characterised in that：The shell
The size of body is Φ 6.6*5.6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287692.0A CN108333695A (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287692.0A CN108333695A (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108333695A true CN108333695A (en) | 2018-07-27 |
Family
ID=62932392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810287692.0A Pending CN108333695A (en) | 2018-04-03 | 2018-04-03 | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108333695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815604A (en) * | 2022-11-17 | 2023-03-21 | 大连藏龙光电子科技有限公司 | Method for improving packaging reliability of photoelectric device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008306100A (en) * | 2007-06-11 | 2008-12-18 | Fibest Ltd | Optical module |
| CN102870037A (en) * | 2012-06-21 | 2013-01-09 | 华为技术有限公司 | Tunable optical filter, tunable light component, and multi-wavelength passive optical network system |
| CN104880775A (en) * | 2015-05-29 | 2015-09-02 | 青岛海信宽带多媒体技术有限公司 | Optical filter assembly |
| WO2016015262A1 (en) * | 2014-07-30 | 2016-02-04 | 华为技术有限公司 | Tunable optical device, optical network unit and passive optical network system |
| CN105340199A (en) * | 2013-06-26 | 2016-02-17 | 光速株式会社 | Optical receiver using wavelength tunable filter |
| CN105467535A (en) * | 2015-12-17 | 2016-04-06 | 湖北捷讯光电有限公司 | Wavelength-adjustable receiver optical subassembly |
| CN205581348U (en) * | 2016-05-11 | 2016-09-14 | 福州高意通讯有限公司 | Tunable ROSA of wavelength |
| CN208156254U (en) * | 2018-04-03 | 2018-11-27 | 大连藏龙光电子科技有限公司 | Tunable receiving end shell and receiving end component based on NGPON2 technology |
-
2018
- 2018-04-03 CN CN201810287692.0A patent/CN108333695A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008306100A (en) * | 2007-06-11 | 2008-12-18 | Fibest Ltd | Optical module |
| CN102870037A (en) * | 2012-06-21 | 2013-01-09 | 华为技术有限公司 | Tunable optical filter, tunable light component, and multi-wavelength passive optical network system |
| CN105340199A (en) * | 2013-06-26 | 2016-02-17 | 光速株式会社 | Optical receiver using wavelength tunable filter |
| WO2016015262A1 (en) * | 2014-07-30 | 2016-02-04 | 华为技术有限公司 | Tunable optical device, optical network unit and passive optical network system |
| CN104880775A (en) * | 2015-05-29 | 2015-09-02 | 青岛海信宽带多媒体技术有限公司 | Optical filter assembly |
| CN105467535A (en) * | 2015-12-17 | 2016-04-06 | 湖北捷讯光电有限公司 | Wavelength-adjustable receiver optical subassembly |
| CN205581348U (en) * | 2016-05-11 | 2016-09-14 | 福州高意通讯有限公司 | Tunable ROSA of wavelength |
| CN208156254U (en) * | 2018-04-03 | 2018-11-27 | 大连藏龙光电子科技有限公司 | Tunable receiving end shell and receiving end component based on NGPON2 technology |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115815604A (en) * | 2022-11-17 | 2023-03-21 | 大连藏龙光电子科技有限公司 | Method for improving packaging reliability of photoelectric device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206378622U (en) | A kind of coaxial packaging optic communication device | |
| CN201936040U (en) | Cooling coaxial package light emission tube core | |
| CN111048500B (en) | Integrally packaged radio frequency microsystem assembly | |
| CN102650718A (en) | Refrigeration-type coaxial packaging light-emitting tube core | |
| CN102313937A (en) | Refrigeration coaxial light-emitting pipe core | |
| CN109407226B (en) | High-speed EML coaxial transmitting assembly and manufacturing method thereof | |
| CN108957649A (en) | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type | |
| CN202172395U (en) | Ultra-thin leadless light MOS relay | |
| CN201707474U (en) | Coaxial light emission tube core with cooling function | |
| CN208156254U (en) | Tunable receiving end shell and receiving end component based on NGPON2 technology | |
| CN108333695A (en) | Tunable receiving end shell based on NGPON2 technologies and receiving terminal component | |
| CN208737057U (en) | A kind of parallel photo structure is double to receive double hair hermetically sealed optical devices of cell type | |
| CN213240598U (en) | Small-volume light emitting assembly and multichannel parallel optical device | |
| CN215816823U (en) | Optical transmitter sub-module and optical module | |
| CN115084092A (en) | Radio frequency front-end module of integrated filter, preparation method and wireless communication system | |
| CN111123431B (en) | Packaging method of laser waveguide chip | |
| CN113671639A (en) | Optical module structure and manufacturing method thereof | |
| CN105431006A (en) | Low cost photovoltaic module | |
| CN209401616U (en) | A kind of encapsulating structure and electronic equipment of optical module | |
| CN220358102U (en) | Package case and optical semiconductor device | |
| CN219627099U (en) | Miniaturized laser | |
| CN112117238B (en) | Miniaturized optoelectronic oscillator based on SIP packaging technology | |
| JP4514647B2 (en) | Electronic component storage package and electronic device | |
| CN213240599U (en) | Multichannel light emission component | |
| CN219737843U (en) | Miniature high transmission encapsulation optical module of high gas tightness |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |