CN200976711Y - Flexible circuit based high-speed photoelectric devices - Google Patents
Flexible circuit based high-speed photoelectric devices Download PDFInfo
- Publication number
- CN200976711Y CN200976711Y CN 200620157588 CN200620157588U CN200976711Y CN 200976711 Y CN200976711 Y CN 200976711Y CN 200620157588 CN200620157588 CN 200620157588 CN 200620157588 U CN200620157588 U CN 200620157588U CN 200976711 Y CN200976711 Y CN 200976711Y
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- CN
- China
- Prior art keywords
- flexible pcb
- high speed
- flexible circuit
- package tube
- characteristic impedance
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- 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.)
- Expired - Lifetime
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- Optical Couplings Of Light Guides (AREA)
- Light Receiving Elements (AREA)
Abstract
The utility model relates to a high speed photoelectric device with high performance flexible circuit connection, which comprises a flexible circuit (10), a photoelectric tank package tube (20) and an optical adapter (30); wherein, the flexible circuit board (10) is connected to the root of the electric interface pin of the photoelectric tank package tube (20), which is between the flexible circuit board (10) and the optical adapter (30); the flexible circuit (10) is a windable printed circuit board, wherein the top interface (11) of which is connected to the electric interface of the photoelectric tank package tube (20), and the bottom interface (12) of which is connected to the electric interface of the photoelectric module respectively. The utility model can make the radio frequency performance of high speed photoelectric device satisfy the requirement of optical communication system by flexible circuit board, optimize the transmission distance and the transmission stability of high speed photoelectric device in optical communication system.
Description
Technical field
The utility model relates to a kind of high speed optoelectronic device, relates in particular to a kind of high speed optoelectronic device based on flexible PCB; Specifically, relate to the flexible circuit board that to realize on circuit that high-performance, high reliability, flexible deflection connect.
Background technology
At present, the common photoelectric device comprises that (TO CAN is Transistor Outline Can to TO CAN, is translated into the pot type package tube of transistor outline, is called for short the pot type package tube; Be a kind of same shaft housing package tube of special use, inner sealing is also used nitrogen protection, generally contains glass materials such as lens in the structure.) and package casing.The common photoelectric device is not provided with the high-performance flexible circuit board, can't realize that on circuit high-performance, high reliability, flexible deflection connect, and to the influence of optical communication system is:
1, signal eye diagram cracking, galvanic reflex increases;
2, reduce system signal noise ratio (SNR);
3, be unfavorable for the miniaturization that optical module is used.
ITU-T G.957, G.691 standard has very high requirement to the photoelectricity index of high speed optoelectronic device.Along with the miniaturization that optical module is used, the high speed optoelectronic device of ordinary construction more and more difficulty satisfies demands of applications.If use the electric connection mode of high-performance flexible circuit connection, can satisfy the performance index of following several keys well:
1, the connection of high-performance flexible circuit can reduce RF-reflective, and the signal quality of optical communication system is well guaranteed;
2, the connection of high-performance flexible circuit can make the signal communication loop shorten, and strengthens the impedance matching continuity;
3, the good flexural property of flexible circuit can be optimized light mouth plug performance well in optical module is used.
Summary of the invention
The purpose of this utility model is exactly to overcome the shortcoming and defect that prior art exists, a kind of high speed optoelectronic device based on flexible PCB is provided, even the electrical interface of high speed optoelectronic device is realized flexible circuit and is connected, thereby reduces RF-reflective, shortening signal communication loop, optimization impedance matching continuity, the light mouth plug performance of optimizing.
The purpose of this utility model is achieved in that
As seen from Figure 1, Figure 2, the utility model comprises flexible PCB 10, photoelectricity pot type package tube 20, optical adapter 30; Flexible PCB 10 is enclosed within the electrical interface pin root of photoelectricity pot type package tube 20, and photoelectricity pot type package tube 20 is between flexible PCB 10 and optical adapter 30;
Described flexible PCB 10 is printed circuit boards of a kind of deflection, and its top interface 11 is connected with the electrical interface of photoelectricity pot type package tube 20, and its bottom interface 12 is connected with the optical-electric module electrical interface is corresponding.
The utility model has following advantage:
1, the connection of high-performance flexible circuit can reduce RF-reflective, and the signal quality of optical communication system is well guaranteed;
2, the connection of high-performance flexible circuit can make the signal communication loop shorten, and strengthens the impedance matching continuity;
3, the good flexural property of flexible circuit can be optimized light mouth plug performance well in optical module is used.
Description of drawings
Fig. 1 is the utility model structure chart (front view);
Fig. 2 is the utility model structure chart (right view).
Wherein:
The 10-flexible PCB,
11-top interface,
The 12-bottom interface;
20-photoelectricity TO CAN (photoelectricity pot type package tube);
The 30-optical adapter.
Embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
1, to the requirement of each parts of the utility model
* flexible PCB 10, or single sided board, or double sided board, or multi-layer sheet.
* the electrical interface pin of the punching size of top interface 11 and photoelectricity pot type package tube 20 forms the certain clearance cooperation.
* according to the pinout of photoelectricity pot type package tube 20, the electrical interface of photoelectricity pot type package tube 20 is connected to bottom interface 12.
* flexible PCB 10 has 1 or 2 characteristic impedance holding wires, or single-ended characteristic impedance line, or difference characteristic impedance line; The characteristic impedance value of single-ended characteristic impedance line is controlled to be 25 Ω or 50 Ω or 75 Ω, and the characteristic impedance value of difference characteristic impedance line is controlled to be 50 Ω or 100 Ω or 150 Ω; Characteristic impedance control can be satisfied 2.5Gb/s, 10Gb/s even higher rate application demand.
* flexible PCB 10 and photoelectricity pot type package tube 20 between fit system or welding or gluing or other mode that is fit to.
* the optical adapter 30 or the assembly of discrete component, or incorporate Press fitting; Or LC type (the connector standard that a kind of optical communication industry is used) adapter, or SC type (the optical connector standard that a kind of optical communication industry is used) adapter by the formulation of U.S. Lucent company.
* the connection between the electrical interface pin of flexible PCB 10 and photoelectricity pot type package tube 20 is a kind of welding or bonding assembly relation.
2, the utility model production assembly method
1. photoelectricity pot type package tube 20 carries out the photoelectricity coupling with optical adapter 30;
2. above-mentioned coupling finishes, and to join encapsulation fixing for laggard luggage;
3. the electrical interface pin root that flexible PCB 10 is enclosed within photoelectricity pot type package tube 20 compresses and welds/gluing assembling.
3, the utility model using method
1. the flexible printed circuit that makes the high speed optoelectronic device realize that on circuit high-performance, high reliability, flexible deflection connect connects;
2. make the high speed optoelectronic device reduce RF-reflective, the shortening of signal communication loop, strengthen the impedance matching continuity;
3. rely on the good flexural property of flexible circuit, in optical module, can optimize light mouth plug performance well.
Claims (5)
1, a kind of high speed optoelectronic device based on flexible PCB is characterized in that:
Comprise flexible PCB (10), photoelectricity pot type package tube (20), optical adapter (30); Flexible PCB (10) is enclosed within the electrical interface pin root of photoelectricity pot type package tube (20), and photoelectricity pot type package tube (20) is between flexible PCB (10) and optical adapter (30);
Flexible PCB (10) is a kind of printed circuit board of deflection, and the electrical interface of its top interface (11) and photoelectricity pot type package tube (20) is connected, and its bottom interface (12) is connected with the optical-electric module electrical interface is corresponding.
2, high speed optoelectronic device as claimed in claim 1 is characterized in that:
Flexible PCB (10), or single sided board, or double sided board, or multi-layer sheet.
3, high speed optoelectronic device as claimed in claim 1 is characterized in that:
Flexible PCB (10) has 1 or 2 characteristic impedance holding wires, or single-ended characteristic impedance line, or difference characteristic impedance line; The characteristic impedance value of single-ended characteristic impedance line is controlled to be 25 Ω or 50 Ω or 75 Ω, and the characteristic impedance value of difference characteristic impedance line is controlled to be 50 Ω or 100 Ω or 150 Ω.
4, high speed optoelectronic device as claimed in claim 1 is characterized in that:
Fit system or welding or gluing between flexible PCB (10) and the photoelectricity pot type package tube (20).
5, high speed optoelectronic device as claimed in claim 1 is characterized in that:
Optical adapter (30) or assembly, or incorporate Press fitting; Or LC type adapter, or SC type adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620157588 CN200976711Y (en) | 2006-11-24 | 2006-11-24 | Flexible circuit based high-speed photoelectric devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620157588 CN200976711Y (en) | 2006-11-24 | 2006-11-24 | Flexible circuit based high-speed photoelectric devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200976711Y true CN200976711Y (en) | 2007-11-14 |
Family
ID=38902987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620157588 Expired - Lifetime CN200976711Y (en) | 2006-11-24 | 2006-11-24 | Flexible circuit based high-speed photoelectric devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200976711Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798943A (en) * | 2011-05-24 | 2012-11-28 | 住友电气工业株式会社 | Optical transceiver implemented with tunable LD |
| CN103278891A (en) * | 2013-05-17 | 2013-09-04 | 武汉电信器件有限公司 | High-speed optical receiver module of integrated limiting amplifier and preparation method for high-speed optical receiver module |
| CN105304726A (en) * | 2015-10-28 | 2016-02-03 | 武汉电信器件有限公司 | Photoelectric packaging structural body and manufacture method of flexible printed circuit board |
| CN110794524A (en) * | 2018-08-03 | 2020-02-14 | 朗美通日本株式会社 | Optical subassembly and optical module |
| US10681804B2 (en) | 2017-11-16 | 2020-06-09 | Innolight Technology (Suzhou) Ltd. | Flexible circuit board, optical transceiver assembly, and optical module |
-
2006
- 2006-11-24 CN CN 200620157588 patent/CN200976711Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102798943A (en) * | 2011-05-24 | 2012-11-28 | 住友电气工业株式会社 | Optical transceiver implemented with tunable LD |
| CN102798943B (en) * | 2011-05-24 | 2016-05-11 | 住友电气工业株式会社 | The optical transceiver of realizing with tunable LD |
| CN103278891A (en) * | 2013-05-17 | 2013-09-04 | 武汉电信器件有限公司 | High-speed optical receiver module of integrated limiting amplifier and preparation method for high-speed optical receiver module |
| CN103278891B (en) * | 2013-05-17 | 2016-04-20 | 武汉电信器件有限公司 | High-speed light receiving unit of integrated clipping amplifier and preparation method thereof |
| CN105304726A (en) * | 2015-10-28 | 2016-02-03 | 武汉电信器件有限公司 | Photoelectric packaging structural body and manufacture method of flexible printed circuit board |
| US10681804B2 (en) | 2017-11-16 | 2020-06-09 | Innolight Technology (Suzhou) Ltd. | Flexible circuit board, optical transceiver assembly, and optical module |
| CN110794524A (en) * | 2018-08-03 | 2020-02-14 | 朗美通日本株式会社 | Optical subassembly and optical module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071114 |
|
| EXPY | Termination of patent right or utility model |