CN102323212A - Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof - Google Patents
Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof Download PDFInfo
- Publication number
- CN102323212A CN102323212A CN201110229835A CN201110229835A CN102323212A CN 102323212 A CN102323212 A CN 102323212A CN 201110229835 A CN201110229835 A CN 201110229835A CN 201110229835 A CN201110229835 A CN 201110229835A CN 102323212 A CN102323212 A CN 102323212A
- Authority
- CN
- China
- Prior art keywords
- micro
- nano
- nano fiber
- optical fiber
- laser sensor
- 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
Images
Abstract
The invention discloses a micro-nano optical fiber mode-locked laser sensor and a manufacturing method thereof. The laser sensor comprises an ordinary optical fiber of which a certain middle section is provided with a micro-nano optical fiber structure; the micro-nano optical fiber section of the ordinary optical fiber is provided with monomolecular layers of multiple layers of carbon nanotube films; and one end of the ordinary optical fiber, provided with the micro-nano optical fiber section, is connected with an optical coupler, an optical fiber amplifier, a polarized controller and an optical isolator, and is then connected to the other end of the ordinary optical fiber. In the invention, the oscillation of the laser is controlled by controlling the polarization state of light in the resonant cavity of the laser and the gain of an EDFA (Erbium-Doped Fiber Amplifier), so that stable pulse laser output is formed; and the passive mode-locked laser sensor constructed by an micro-nano optical fiber plated with the carbon nanotube films can be taken as a high-sensitivity near field optical sensor, and has a good application prospect on the aspect of high-accuracy online quantitative detection of trace gases, liquids and the like.
Description
Technical field
The present invention relates to the laser sensor field, relate in particular to a kind of micro-nano fiber mode-locked laser sensor and manufacturing approach thereof based on carbon nano-tube film.
Background technology
Micro-nano fiber grows up on micro-nano photonics theoretical foundation, is the meso-scale optical wave wire structure of covering with the air, and it both had been different from ordinary optic fibre, also was different from integrated optical waveguide structure.The strong evanescent wave coupling of evanescent wave transmission, high non-linearity, high chromatic dispersion district ﹑ that micro-nano fiber has vast scale closes characteristics such as ﹑ low bend loss.Therefore; It can solve the problem that the optical device size of ordinary optic fibre made is difficult to dwindle to a certain extent; Can remedy simultaneously the high and bigger shortcoming and defect of loss of integrated optical wave guide device manufacture difficulty again, make it all have wide practical use at optical communication, light sensory field as one type of novel micro-nano photonic device.
The Langmuir-Blogeet film; Be called for short the LB film; This film is proposed by Langmuir (I. Langmuir) and Blaw Ztel (K.Blodgett) the earliest and gains the name, and it is that the amphiphile, amphiphilic molecule with hydrophilic head and hydrophobic tail is dispersed on the water surface (parfacies), and along continuous straight runs is exerted pressure to the water surface; Molecule tightens the solid matter row at the water surface, forms one deck and arranges orderly insoluble unimolecular film.The LB membrane technology is exactly that the unimolecular film on above-mentioned gas/liquid interface is transferred to solid surface and realized shifting continuously the technology of assembling.The LB film has thickness and can accurately control; Film-forming process does not need very high condition, and is simple to operation, characteristics such as molecules align high-sequential in the film; Therefore can be implemented in the assembling on the molecular level, all be with a wide range of applications in fields such as materialogy, optics, galvanochemistry and bionic.Carried out numerous researchs in recent years, related to biological membrane human simulation, ultrathin membrane preparation, optics and various aspects such as sensor based on the LB film.
Summary of the invention
The technical matters that the present invention will solve provides a kind ofly has high sensitivity near field optic sensing arrangement, and is applicable to the micro-nano fiber mode-locked laser sensor and the manufacturing approach thereof based on carbon nano-tube film of high precision such as minimum gas, liquid, online detection by quantitative aspect.
In order to solve the problems of the technologies described above; The present invention adopts following technical scheme: a kind of micro-nano fiber mode-locked laser sensor; Certain section ordinary optic fibre that is made as the micro-nano fiber structure in the middle of comprising; Micro-nano fiber section in the said ordinary optic fibre is provided with the unimolecular layer of several layers of carbon nano-tube film, an end of the said ordinary optic fibre that is provided with the micro-nano fiber section successively with the other end that is connected in this ordinary optic fibre after photo-coupler, fiber amplifier, Polarization Controller, optoisolator are connected.
A kind of manufacturing approach of micro-nano fiber mode-locked laser sensor comprises the steps:
A. the coat post-tensioning section is removed in the centre of ordinary optic fibre and make middle certain section ordinary optic fibre with micro-nano fiber structure;
B. utilize the scattered carbon nano-tube solution of ultrasonic machine and it is spread into the deionized water surface, make uniform, the compact arranged monomolecular film of its formation;
C. utilize the LB coating technique several layers of CNT monomolecular film to be plated in the micro-nano fiber section of ordinary optic fibre described in the step a;
Vertically be inserted into the micro-nano fiber section that obtains among the step a liquid level of step b gained liquid; Under the effect of mould; Gas/the CNT of liquid interface surface is transferred to the surface of micro-nano fiber continuously, utilizes the number of plies and the plated film length of the accurate controlling carbon nanotube film of LB plated film software;
D. will be through micro-nano fiber and the optoisolator that obtains behind the step c, fiber amplifier, Polarization Controller and coupling mechanism are connected to form the laser with active-passive lock mould structure.
Further, said carbon nano-tube solution is the CNT chloroform soln of 0.19mg/ml.
Further, the unimolecular layer of said carbon nano-tube film is 5 ~ 15 layers, and every layer thickness is less than 2 nanometers.
Further, said fiber amplifier is EDFA Erbium-Doped Fiber Amplifier (EDFA).
Compared with prior art; The present invention has following beneficial effect: the micro-nano fiber based on carbon nano-tube film makes up the mode-locked laser sensor; It is the technology that CNT, sub-wavelength diameter micro-nano fiber are combined with the LB plated film; The CNT that will have many good sensing character is transferred to the micro-nano fiber surface, forms a kind of composite optical wave guide line with good optical sensing and nonlinear characteristic.Exist stronger light evanscent field to distribute owing to be coated with the micro-nano fiber surface of carbon nano-tube film; Therefore; Its surface carbon nano-tube film is adsorptive liquid or gas molecule effectively, and directly acts on the near field photon, makes it have outstanding optical sensing high-acruracy survey and response characteristic.Simultaneously this composite optical wave guide line structure based on the carbon nano-tube film micro-nano fiber is in also extensive application prospect aspect photon communication of new generation, photonic device and the full light signal processing.
The optical wave wire of this composite structure is connected with Polarization Controller with EDFA (EDFA Erbium-Doped Fiber Amplifier), coupling mechanism, optoisolator can makes up a kind of passive mode-locking laser sensor; Control the vibration of laser instrument through the gain of polarization state and the EDFA of control light in laser resonant cavity, form stable pulse laser and export.Simultaneously; Carbon nano-tube film has outstanding characterization of adsorption and quick recovery characteristics; Make that micro-nano fiber surface light evanscent field can adsorbed with carbon nano-tube film fully test substance molecular action; Thereby modulate the output laser pulse width of this laser sensing structure,, can reflect the variable quantity of test substance molecular conecentration through accurate measurement pulse strenching.This constructed passive mode-locking laser sensor of micro-nano fiber that is coated with carbon nano-tube film can be used as a kind of highly sensitive near field optic sensing arrangement, aspect the high precision of minimum gas, liquid etc., the online detection by quantitative good prospects for application is being arranged.
Description of drawings
Fig. 1 prepares the apparatus structure synoptic diagram of micro-nano fiber for the embodiment of the invention;
Fig. 2 is coated with the optical fiber structure synoptic diagram of CNT for the embodiment of the invention;
Fig. 3 is the LB plated film principle sketch of the embodiment of the invention based on micro-nano fiber;
Fig. 4 prepares the experimental provision structural representation of carbon nano-tube film micro-nano fiber based on the LB coating technique for the embodiment of the invention;
Fig. 5 is the micro-nano fiber mode-locked laser sensor construction synoptic diagram of the embodiment of the invention.
Wherein: 1, ordinary optic fibre 2, the optical fiber 3 of removing coat, spirit lamp 4, micro-nano fiber 5, carbon nanotube molecule layer 6, deionized water (parfacies) 7, sliding cane 8, film balance 9, EDFA Erbium-Doped Fiber Amplifier (EDFA) 10, Polarization Controller 11, optoisolator 12, photo-coupler.
Embodiment
To combine accompanying drawing and embodiment that the present invention is done further description below.
As shown in Figure 5; A kind of micro-nano fiber mode-locked laser sensor; Certain section general single mode fiber 1 that is made as the micro-nano fiber structure in the middle of comprising; Micro-nano fiber section in the said general single mode fiber 1 is provided with the unimolecular layer 5 of 5 ~ 15 layers of carbon nano-tube film; One end of the said general single mode fiber 1 that is provided with the micro-nano fiber section successively with the other end that is connected in this general single mode fiber 1 after photo-coupler 12, EDFA Erbium-Doped Fiber Amplifier (EDFA) 9, Polarization Controller 10, optoisolator 11 are connected, as preferably, said photo-coupler 12 is the photo-coupler of 9:1.
Referring to Fig. 1 ~ Fig. 5, a kind of method of making above-mentioned micro-nano fiber mode-locked laser sensor comprises the steps:
General single mode fiber 1 is removed the optical fiber 2 of the coat that is removed after the coat, draw in 3 times heating of spirit lamp and obtain micro-nano fiber 4, the diameter of said micro-nano fiber 4 is 2～5 microns, and length is 5～10 centimetres;
Be placed on the fiber clamp of LB coating system drawing good micro-nano fiber 4, regulate the contact point of micro-nano fiber 4 and liquid level; The CNT chloroform soln of the 0.19mg/ml that 1000 microlitres are configured dropwise drips to deionized water (parfacies) 6 surfaces, waits to let the methenyl choloride volatilization after one hour, forms the unimolecular layer 5 of carbon nano-tube film.
Set relevant plated film software parameter; Mould is constant in 30mN, and micro-nano fiber 4 pull rate are 0.3mm/min, utilize LB coating technique and relevant Control Software; The unimolecular layer 5 of the carbon nano-tube film of transferase 45 on micro-nano fiber 4～15 layer, every tunic is thick in 2 nanometers; By the fine length of the low-light of CNT parcel is 1～5 millimeter.Every layer stand-by period is 2 minutes in the coating process.
Can obtain the optical waveguide of carbon nano-tube film by the way; The optical wave wire of this structure is connected with Polarization Controller 10 with EDFA Erbium-Doped Fiber Amplifier (EDFA) 9, photo-coupler 12, optoisolator 11 again and can makes up the passive mode-locking laser sensor, pulse laser is from the 10% port output of coupling mechanism.
This kind is as shown in Figure 3 based on the preparation principle of the micro-nano fiber 4 of carbon nano-tube film; Under certain pressure; The carbon nanotube molecules on deionized water (parfacies) 6 surface constitute compact arranged unimolecular film, and micro-nano fiber 4 vertically proposes from liquid level with certain speed, under the effect of mould; Gas/liquid interface surface is transferred to micro-nano fiber 4 surfaces continuously, has constituted the unimolecular layer 5 of one deck carbon nano-tube film.
Like Fig. 4 is LB plated film experimental provision, and carbon nano-tube solution is spread on deionized water (parfacies) 6 surfaces, treat the volatilization of its solution methenyl choloride after, the surface forms the unimolecular layer 5 of carbon nano-tube film.Utilize the squeezing action of sliding cane 7, under the perception of film balance 8, make mould maintain 30mN to the center.Through software control micro-nano fiber 4 is vertically moved with certain speed.Because it is constant to have kept the mould of LB unimolecular layer, so when micro-nano fiber 4 passes liquid level, all can shift the surface of a skim at every turn from gas/liquid surface to micro-nano fiber 4.Software parameter is set, repeats 5～15 times, can obtain the carbon nano-tube film micro-nano fiber.
This kind is following based on the preparation parameter of the micro-nano fiber mode-locked laser sensor of carbon nano-tube film: used parfacies is a secondary deionized water in the coating process; Resistivity is 18.25M
/cm; Temperature constant is at 20 degrees centigrade, and pH value is 7.0.
Above-mentioned practical implementation method is used for the apparatus of the present invention of explaining, rather than limits the invention, and in the protection domain of spirit of the present invention and claims, to any change of the present invention and change, all falls into protection scope of the present invention.
Claims (7)
1. micro-nano fiber mode-locked laser sensor; It is characterized in that: certain section ordinary optic fibre that is made as the micro-nano fiber structure in the middle of comprising; Micro-nano fiber section in the said ordinary optic fibre is provided with the unimolecular layer of several layers of carbon nano-tube film, an end of the said ordinary optic fibre that is provided with the micro-nano fiber section successively with the other end that is connected in this ordinary optic fibre after photo-coupler, fiber amplifier, Polarization Controller, optoisolator are connected.
2. micro-nano fiber mode-locked laser sensor according to claim 1 is characterized in that: the unimolecular layer of said carbon nano-tube film is 5 ~ 15 layers, and every layer thickness is less than 2 nanometers.
3. micro-nano fiber mode-locked laser sensor according to claim 1 and 2 is characterized in that: said fiber amplifier is EDFA Erbium-Doped Fiber Amplifier (EDFA).
4. the manufacturing approach of a micro-nano fiber mode-locked laser sensor is characterized in that, comprises the steps:
A. the coat post-tensioning section is removed in the centre of ordinary optic fibre and make middle certain section ordinary optic fibre with micro-nano fiber structure;
B. utilize the scattered carbon nano-tube solution of ultrasonic machine and it is spread into the deionized water surface, make uniform, the compact arranged monomolecular film of its formation;
C. utilize the LB coating technique several layers of CNT monomolecular film to be plated in the micro-nano fiber section of ordinary optic fibre described in the step a;
Wherein, Vertically be inserted into the micro-nano fiber section that obtains among the step a liquid level of step b gained liquid; Under the effect of mould, the gas/CNT of liquid interface surface is transferred to the surface of micro-nano fiber continuously, utilizes the number of plies and the plated film length of the accurate controlling carbon nanotube film of LB plated film software;
D. will be through micro-nano fiber and the optoisolator that obtains behind the step c, fiber amplifier, Polarization Controller and coupling mechanism are connected to form the laser with active-passive lock mould structure.
5. the manufacturing approach of micro-nano fiber mode-locked laser sensor according to claim 4 is characterized in that: said carbon nano-tube solution is the CNT chloroform soln of 0.19mg/ml.
6. the manufacturing approach of micro-nano fiber mode-locked laser sensor according to claim 4 is characterized in that: the unimolecular layer of said carbon nano-tube film is 5 ~ 15 layers, and every layer thickness is less than 2 nanometers.
7. according to the manufacturing approach of claim 4 or 5 or 6 described micro-nano fiber mode-locked laser sensors, it is characterized in that: said fiber amplifier is EDFA Erbium-Doped Fiber Amplifier (EDFA).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110229835A CN102323212A (en) | 2011-08-11 | 2011-08-11 | Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110229835A CN102323212A (en) | 2011-08-11 | 2011-08-11 | Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102323212A true CN102323212A (en) | 2012-01-18 |
Family
ID=45450998
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110229835A Pending CN102323212A (en) | 2011-08-11 | 2011-08-11 | Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102323212A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628797A (en) * | 2012-04-18 | 2012-08-08 | 山东省科学院激光研究所 | Active cavity gas detection system based on laser injection mode locking technology |
| CN107271402A (en) * | 2017-07-28 | 2017-10-20 | 中国工程物理研究院激光聚变研究中心 | Molecular state organic pollution on-Line Monitor Device and detection method in confined space |
| CN111044088A (en) * | 2019-12-12 | 2020-04-21 | 天津理工大学 | Humidity and stress double-parameter micro optical fiber sensor based on carbon nano tube compound |
| CN111413317A (en) * | 2020-04-29 | 2020-07-14 | 中国科学院长春光学精密机械与物理研究所 | Stimulated Raman gas sensing system based on annular optical fiber resonant cavity |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006324613A (en) * | 2005-05-17 | 2006-11-30 | Alnair Labs:Kk | Passive mode-locking short pulsed light fiber laser and scanning pulsed laser |
| CN1950979A (en) * | 2004-03-05 | 2007-04-18 | 古河电气工业株式会社 | Optical fiber laser using rare earth-added fiber and wide band light source |
| CN101169488A (en) * | 2006-10-27 | 2008-04-30 | 古河电子北美公司 | Selective deposition of carbon nanotubes on optical fibers |
| WO2010039310A1 (en) * | 2008-06-26 | 2010-04-08 | Cornell University | Skin securable drug delivery device with a shock absorbing protective shield |
| CN101714738A (en) * | 2008-09-25 | 2010-05-26 | Ofs飞泰尔公司 | Passively modelocked fiber laser using carbon nanotubes |
| CN101826696A (en) * | 2009-03-02 | 2010-09-08 | 北京大学 | High-energy low-repetition-frequency fiber laser |
| US20110001001A1 (en) * | 2008-02-01 | 2011-01-06 | Ashley Christopher Bryant | Flying-wing aircraft |
| US20110015874A1 (en) * | 2009-07-16 | 2011-01-20 | Yong-Won Song | Apparatus and method for detecting components of mixed gas |
| CN102005689A (en) * | 2010-10-27 | 2011-04-06 | 中国科学院西安光学精密机械研究所 | All-fiber structural laser system capable of generating high-energy wave-free split rectangular pulse |
-
2011
- 2011-08-11 CN CN201110229835A patent/CN102323212A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1950979A (en) * | 2004-03-05 | 2007-04-18 | 古河电气工业株式会社 | Optical fiber laser using rare earth-added fiber and wide band light source |
| JP2006324613A (en) * | 2005-05-17 | 2006-11-30 | Alnair Labs:Kk | Passive mode-locking short pulsed light fiber laser and scanning pulsed laser |
| CN101169488A (en) * | 2006-10-27 | 2008-04-30 | 古河电子北美公司 | Selective deposition of carbon nanotubes on optical fibers |
| US20110001001A1 (en) * | 2008-02-01 | 2011-01-06 | Ashley Christopher Bryant | Flying-wing aircraft |
| WO2010039310A1 (en) * | 2008-06-26 | 2010-04-08 | Cornell University | Skin securable drug delivery device with a shock absorbing protective shield |
| CN101714738A (en) * | 2008-09-25 | 2010-05-26 | Ofs飞泰尔公司 | Passively modelocked fiber laser using carbon nanotubes |
| CN101826696A (en) * | 2009-03-02 | 2010-09-08 | 北京大学 | High-energy low-repetition-frequency fiber laser |
| US20110015874A1 (en) * | 2009-07-16 | 2011-01-20 | Yong-Won Song | Apparatus and method for detecting components of mixed gas |
| CN102005689A (en) * | 2010-10-27 | 2011-04-06 | 中国科学院西安光学精密机械研究所 | All-fiber structural laser system capable of generating high-energy wave-free split rectangular pulse |
Non-Patent Citations (2)
| Title |
|---|
| 赵浙明等: "基于白光干涉的新型微纳光纤传感器", 《中国激光》, vol. 37, no. 8, 31 August 2010 (2010-08-31), pages 2001 - 2004 * |
| 郭晓燕等: "基于碳纳米管的LB膜制备技术", 《纳米技术与精密工程》, vol. 6, no. 5, 30 September 2008 (2008-09-30), pages 317 - 321 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102628797A (en) * | 2012-04-18 | 2012-08-08 | 山东省科学院激光研究所 | Active cavity gas detection system based on laser injection mode locking technology |
| CN107271402A (en) * | 2017-07-28 | 2017-10-20 | 中国工程物理研究院激光聚变研究中心 | Molecular state organic pollution on-Line Monitor Device and detection method in confined space |
| CN111044088A (en) * | 2019-12-12 | 2020-04-21 | 天津理工大学 | Humidity and stress double-parameter micro optical fiber sensor based on carbon nano tube compound |
| CN111413317A (en) * | 2020-04-29 | 2020-07-14 | 中国科学院长春光学精密机械与物理研究所 | Stimulated Raman gas sensing system based on annular optical fiber resonant cavity |
| CN111413317B (en) * | 2020-04-29 | 2021-09-21 | 中国科学院长春光学精密机械与物理研究所 | Stimulated Raman gas sensing system based on annular optical fiber resonant cavity |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109358038B (en) | Microstructure optical fiber surface plasma resonance multifunctional sensor and preparation method thereof | |
| Tong et al. | Relative humidity sensor based on small up-tapered photonic crystal fiber Mach–Zehnder interferometer | |
| Zhao et al. | Humidity sensor based on unsymmetrical U-shaped microfiber with a polyvinyl alcohol overlay | |
| Akita et al. | A humidity sensor based on a hetero-core optical fiber | |
| CN108562386B (en) | Temperature-compensated photonic crystal fiber transverse stress sensor | |
| CN102323212A (en) | Micro-nano optical fiber mode-locked laser sensor and manufacturing method thereof | |
| Peng et al. | Humidity sensor based on unsymmetrical U-shaped twisted microfiber coupler with wide detection range | |
| CN103439765B (en) | A kind of All-optical-fiber type multi-path interferometer | |
| CN110726697A (en) | Mach-Zehnder interferometer optical fiber ammonia gas sensor based on tapered fine core optical fiber | |
| WO2010124400A1 (en) | Photonic crystal pressure sensor | |
| Li et al. | Ethanol gas sensor based on a hybrid polymethyl methacrylate–silica microfiber coupler | |
| CN106896084A (en) | A kind of light fibre humidity transducer for being based on two selenizing molybdenums and preparation method thereof | |
| Zhao et al. | U-shaped microfiber coupler coated with polyvinyl alcohol film for highly sensitive humidity detection | |
| CN103900993A (en) | Molecular imprinting microfluidics sensor based on double-annular-fiber-core optical fiber and double-annular-fiber-core optical fiber | |
| Yang et al. | Optofluidic twin-core hollow fiber interferometer for label-free sensing of the streptavidin-biotin binding | |
| Karthikeyan et al. | Graphene oxide-based optical waveguide for moisture sensing in transformer oil | |
| CN101813622B (en) | Optical-waveguide two-channel interferometer array | |
| Zhang et al. | Spider dragline silk-based FP humidity sensor with ultra-high sensitivity | |
| Huang et al. | Optical fiber Fabry-Perot interferometer refractive index sensor based on Vernier effect for silica colloidal sol aging monitoring | |
| Deng et al. | A peanut-shaped optical fiber sensor coated with electrospinning polyvinyl alcohol/nano-ZnO film | |
| Yang et al. | Investigation of relative humidity sensing using tapered no-core fiber coated with graphene oxide film | |
| CN101825744B (en) | High-nonlinearity composite-structure micro-nano optical wave conducting wire and preparation method thereof | |
| Casas-Bedoya et al. | Chip scale humidity sensing based on a microfluidic infiltrated photonic crystal | |
| CN105784598A (en) | Optical fiber humidity sensor based on tungsten disulfide and manufacturing method thereof | |
| Gao et al. | Optofluidic in-fiber on-line ethanol sensing based on graphene oxide integrated hollow optical fiber with suspended core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20120118 |