CN102589703A - Method and device for measuring linear polarization light polarization vector direction - Google Patents
Method and device for measuring linear polarization light polarization vector direction Download PDFInfo
- Publication number
- CN102589703A CN102589703A CN2012100232423A CN201210023242A CN102589703A CN 102589703 A CN102589703 A CN 102589703A CN 2012100232423 A CN2012100232423 A CN 2012100232423A CN 201210023242 A CN201210023242 A CN 201210023242A CN 102589703 A CN102589703 A CN 102589703A
- Authority
- CN
- China
- Prior art keywords
- polarizer
- polarized light
- linearly polarized
- light
- orientation
- 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.)
- Granted
Links
- 230000010287 polarization Effects 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 26
- 229910021532 Calcite Inorganic materials 0.000 claims abstract description 19
- 239000013078 crystal Substances 0.000 claims abstract description 19
- 230000005540 biological transmission Effects 0.000 claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims abstract description 5
- 230000008033 biological extinction Effects 0.000 claims description 20
- 238000005259 measurement Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000002310 reflectometry Methods 0.000 claims description 5
- 238000012545 processing Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004026 adhesive bonding Methods 0.000 abstract 2
- 230000008569 process Effects 0.000 description 5
- 238000013459 approach Methods 0.000 description 4
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 230000005570 vertical transmission Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention provides a method and a device for measuring the linear polarization light polarization vector direction, wherein the measuring device comprises a polarization device, a reference prism, an auto-collimation theodolite, a one-dimensional turntable for driving the polarization device to rotate horizontally, and a condenser lens and a photoelectric detector which are sequentially arranged on the emergent light path of the polarization device along a light transmission shaft; the polarizing device is an integrated piece formed by gluing three calcite crystals with the same material parameters, wherein the calcite crystal positioned in the middle is marked as A, and the calcite crystals positioned on two sides are respectively marked as B, C; a has an upper light-passing surface and a lower light-passing surface, B, C is wedge-shaped, B has a lower light-passing surface, and C has an upper light-passing surface; B. the C is parallel to the oblique gluing surfaces formed by the A respectively. The detection precision of the measuring device can be controlled within 10'; meanwhile, the method has the advantages of simple principle, convenience in operation and the like.
Description
Technical field
The present invention relates to the measuring method and the device thereof in a kind of linearly polarized light polarization vector orientation.
Background technology
The polarization vector orientation of linearly polarized light remains unchanged forever, and these characteristics make it be widely used in the precision measurement metering field.And the measuring accuracy in linearly polarized light polarization vector orientation has directly influenced the final precision of precision measurement or metering.
As shown in Figure 1, the measuring method in the linearly polarized light polarization vector orientation of using always at present: incident light I0 is a linearly polarized light, is normally incident in polarizer P, receives the luminous energy through P with photodetector D.If with incident beam I0 is a rotatory polarization device P, in the process of 360 ° of P rotations, when the vector orientation of incident ray polarized light was parallel with the light transmission shaft of polarizer, the light intensity that D receives was for very big, and the light intensity that D received when both were vertical is for minimum.Finally can confirm the vector orientation of linearly polarized light to be measured, but the precision of the method is merely 1 ° by the anglec of rotation of polarizer.Can obtain higher precision through methods such as " screening shadows ", but measuring system is complicated, precision is the highest also can only to be arrived about 0.1 °.
Above-mentioned measuring method is complicated, and accuracy of detection is low, can't satisfy the request for utilization of precision measurement or metering.
Summary of the invention
The object of the present invention is to provide the measuring method and the device thereof in a kind of linearly polarized light polarization vector orientation, be easy to simply realize that measuring accuracy is high, has solved the subject matter that exists in the background technology.
Technical scheme of the present invention is following:
The measuring method in a kind of linearly polarized light polarization vector orientation, this method may further comprise the steps:
1) polarizer, photodetector and autocollimation theodolite are set, wherein, photodetector is arranged on the light transmission shaft of polarizer, and autocollimation theodolite is used for side to polarizer from locating tab assembly;
Described polarizer is the integral piece of processing according to the identical calcite crystal of former reason three block of material parameters of Glan Taylor polarizer, and wherein, the calcite crystal in the middle of being positioned at is designated as A, and the calcite crystal that is positioned at both sides is designated as B, C respectively; Then A has upper and lower logical light face, and B, C are wedge shape and B has following logical light face, C has the logical light face of going up; B, C are parallel to each other with the oblique cemented surface that A forms respectively;
2) make a branch of linearly polarized light successively through A, the B part of polarizer, export photodetector to, judge according to the signal that photodetector obtains whether relative linearly polarized light is in the extinction position to polarizer; The light transmission shaft direction of supposing polarizer is a vertical direction, then horizontally rotates polarizer, makes the relative linearly polarized light of polarizer be in the extinction position, and promptly the light transmission shaft of polarizer is vertical with incident ray polarized light polarization vector direction; The employing autocollimation theodolite from locating tab assembly, obtains azimuth angle theta 1 to polarizer A side partly;
3) keep the autocollimation theodolite unchanged direction, with 180 ° of polarizer self upsets, the A, the C part that make incident ray polarized light at this moment pass polarizer successively;
Horizontally rotate polarizer once more, make the relative linearly polarized light of polarizer be in the extinction position; And by said autocollimation theodolite to the side of polarizer A part from locating tab assembly, obtain azimuth angle theta 2;
4) in accordance with the
calculate the azimuth of linearly polarized light polarization vector
Horizontally rotating of above-mentioned polarizer can realize that the turntable rotating shaft is vertical with surface level by the one dimension turntable.
In above-mentioned steps 2) and step 3) in, specifically can be through a benchmark reflecting surface that is connected with polarizer be set, realize autocollimation theodolite to the side of polarizer A part from locating tab assembly.
The extinction ratio of above-mentioned polarizer preferably is not more than 10
-5The angular resolution of one dimension turntable is not more than 0.2 ".
A kind of measurement mechanism of realizing above-mentioned detection method; Comprise one dimension turntable that polarizer, benchmark prism, autocollimation theodolite, drive polarizer horizontally rotate and be set in turn in condenser and photodetector on the polarizer emitting light path adopt electric-control system indication polarizer whether to turn to the extinction position along light transmission shaft; Wherein, autocollimation theodolite is used for side to polarizer from locating tab assembly; Said benchmark prism and polarizer are connected through picture frame and make polarizer and location, benchmark prism upset back reliably, thereby the orientation of realization measuring basis prism is to replace measuring the orientation, side of polarizer;
Described polarizer is the integral piece that is formed by the identical calcite crystal gummed of three block of material parameters, and wherein, the calcite crystal in the middle of being positioned at is designated as A, and the calcite crystal that is positioned at both sides is designated as B, C respectively; Then A has upper and lower logical light face, and B, C are wedge shape and B has following logical light face, C has the logical light face of going up; B, C are parallel to each other with the oblique cemented surface that A forms respectively.
The extinction ratio of above-mentioned polarizer preferably is not more than 10
-5The angular resolution of one dimension turntable is not more than 0.2 ".
Above-mentioned polarizer and benchmark prism specifically can be assemblied in the same picture frame through trip bolt.
The outside surface of the logical light face of all of above-mentioned polarizer all can be coated with antireflecting film, makes reflectivity not be higher than 0.7%.
The measurement mechanism in the linearly polarized light polarization vector orientation that designs among the present invention, because the polarizer that has adopted the calcite crystal gummed of three identical parameters to form is equipped with high precision turntable and automatically controlled disposal system, its accuracy of detection can be controlled at 10 " in; Have advantages such as principle is simple, easy to operate simultaneously; In addition, increase benchmark prism 5, condenser 2, strengthened the ability that through engineering approaches is used.
Description of drawings
Fig. 1 is traditional linearly polarized light polarization vector bearing measuring method synoptic diagram.
Fig. 2 is the structural representation of pick-up unit of the present invention.
Fig. 3 is the structure of polarizer of the present invention and detects principle schematic (if the coordinate system of Fig. 3 is moved into Fig. 2, then the polarizer of Fig. 2 is to rotate along the Z axle.)
The drawing reference numeral explanation:
The 1-polarizer; The 2-condenser; The 3-photodetector; The 4-pedestal; 5-benchmark prism; The 6-trip bolt; The 7-electric-control system; The 8-instrument mask; The 9-incident ray polarized light.
Embodiment
The measuring method in a kind of linearly polarized light polarization vector orientation may further comprise the steps:
1) relative position of polarizer and photoelectric detector is seen Fig. 3;
2) make A, the B part of a branch of linearly polarized light, received by photelectric receiver through polarizer.The rotatory polarization device makes the relative linearly polarized light of polarizer be in the extinction position, can think that the light transmission shaft of polarizer A part is vertical with incident ray polarized light polarization vector direction this moment.Employing high precision autocollimation theodolite from locating tab assembly, obtains azimuth angle theta 1 to polarizer A side partly;
3) polarizer is overturn 180 ° around the Y axle, the A, the C part that make incident ray polarized light pass polarizer, the rotatory polarization device makes the relative linearly polarized light of polarizer be in the extinction position.Use once more same high precision autocollimation theodolite to the side of polarizer A part from locating tab assembly, obtain azimuth angle theta 2;
4) according to the formula
calculate the azimuth of linearly polarized light polarization vector
Polarizer 1 is formed by the identical optical grade calcite crystal gummed of three block of material parameters according to Glan Taylor polarizer principle design.A partly is a whole block material, and material homogeneity is good, free of birefringence.Polarizer 1 adopts the optical grade calcite crystal.Polarizer 1 extinction ratio is 10
-5The air-gap inclusion-free of polarizer B part and A part cemented surface, thickness is even.The C part is even with air-gap inclusion-free, the thickness of A part cemented surface.The logical up and down light face of the logical light face of polarizer B part, A part, the logical light face coated with antireflection film of C part require reflectivity not to be higher than 0.7%.
Horizontally rotating of polarizer can realize that polarizer is installed on the turntable table top, and the turntable rotating shaft is vertical with surface level by the High Precision One Dimensional turntable.The turntable angular resolution is not more than 0.2 ".
The order of the logical light of twice of polarizer is not unique: can pass through A, B part earlier again through A, C part, also can inverted order, but must guarantee that each incident ray polarized light passes through polarizer A part earlier.
Polarizer is in measuring process, and the rotatory polarization device is measured the orientation of A part side with the high precision autocollimation theodolite behind the extinction position.After measurement finishes, must guarantee the autocollimation theodolite azimuthal stabilization, overturn once more behind the polarizer, turn to the extinction position, the orientation with same autocollimation theodolite measurement A part same side calculates linearly polarized light polarization vector orientation.
Polarizer is in measuring process, and the incident angle of linearly polarized light gets final product in the aperture angle scope (design parameter that depends on polarizing prism) of polarizer, makes the linearly polarized light A through polarizer, B part or A, C part successively.
The measurement mechanism in linearly polarized light polarization vector of the present invention as shown in Figure 2 orientation is made up of polarizer 1 and picture frame, condenser 2 and picture frame thereof, photodetector 3, pedestal 4, benchmark prism 5, trip bolt 6, electric-control system 7 and instrument mask 8.During 180 ° of upsets of polarizer, need dismounting polarizer picture frame both sides trip bolt.
Benchmark prism 5 is a secondary reflection type right-angle prism, right-angle prism string face coated with antireflection film, and reflectivity is not more than 0.7%.Two right angle face plating internal reflection films, reflectivity is not less than 95%.The azimuth deviation of right-angle prism outgoing beam and incident beam is not more than 5 ".The high precision autocollimation theodolite is set up in benchmark prism 5 dead aheads, transit objective lens optical axis and the visual grade of benchmark prism 5 rib ridges height.In the measuring process, the autocollimation theodolite azimuthal stabilization is reliable.
Replace measuring the orientation of polarizer A part side with the orientation of measuring basis prism, both be convenient to through engineering approaches, and can be convenient to the through engineering approaches application setting up fixing position angle relation between linearly polarized light polarization vector orientation and the benchmark prism method plane.Therefore, polarizer 1 is connected in the picture frame structure with benchmark prism 5, together upset.Condenser 2 and picture frame effect are that the emergent light with polarizer converges on the photodetector.Signal prompt when electric-control system is mainly used in differentiation whether to the extinction position and to the extinction position.
The measuring method in linearly polarized light polarization vector orientation commonly used is carried out according to the synoptic diagram of Fig. 1 at present, and measuring accuracy is about 0.1 °.And the measurement mechanism in the linearly polarized light polarization vector orientation that provides among employing the present invention; Because being the calcite crystal gummed of three same materials, its polarizer forms; Linearly polarized light passes the same part of polarizer for twice in the measuring process, obtains the extinction position of polarizer and linearly polarized light through high precision turntable and electric-control system, and its measuring accuracy can be controlled at 10 " in; it is simple to have measuring principle simultaneously, advantage such as processing ease, through engineering approaches ability are strong.The present invention can be used for the realization of interconvertibility of instrument function up and down in the orientation vertical transmission device.
Claims (8)
1. the measuring method in a linearly polarized light polarization vector orientation is characterized in that, this method may further comprise the steps:
1) polarizer, photodetector and autocollimation theodolite are set, wherein, photodetector is arranged on the light transmission shaft of polarizer, and autocollimation theodolite is used for side to polarizer from locating tab assembly;
Described polarizer is the integral piece of processing according to the identical calcite crystal of former reason three block of material parameters of Glan Taylor polarizer, and wherein, the calcite crystal in the middle of being positioned at is designated as A, and the calcite crystal that is positioned at both sides is designated as B, C respectively; Then A has upper and lower logical light face, and B, C are wedge shape and B has following logical light face, C has the logical light face of going up; B, C are parallel to each other with the oblique cemented surface that A forms respectively;
2) make a branch of linearly polarized light successively through A, the B part of polarizer, export photodetector to, judge according to the signal that photodetector obtains whether relative linearly polarized light is in the extinction position to polarizer; The light transmission shaft direction of supposing polarizer is a vertical direction, then horizontally rotates polarizer, makes the relative linearly polarized light of polarizer be in the extinction position, and promptly the light transmission shaft of polarizer is vertical with incident ray polarized light polarization vector direction; The employing autocollimation theodolite from locating tab assembly, obtains azimuth angle theta 1 to polarizer A side partly;
3) keep the autocollimation theodolite unchanged direction, with 180 ° of polarizer self upsets, the A, the C part that make incident ray polarized light at this moment pass polarizer successively;
Horizontally rotate polarizer once more, make the relative linearly polarized light of polarizer be in the extinction position; And by said autocollimation theodolite to the side of polarizer A part from locating tab assembly, obtain azimuth angle theta 2;
4) in accordance with the
linearly polarized polarization vector calculated azimuth
2. according to the measuring method in the said linearly polarized light polarization vector of claim 1 orientation, it is characterized in that:
Horizontally rotating by the one dimension turntable of polarizer realizes that the turntable rotating shaft is vertical with surface level.
3. according to the measuring method in the said linearly polarized light polarization vector of claim 2 orientation, it is characterized in that:
In step 2) and step 3) in, through a benchmark reflecting surface that is connected with polarizer is set, realize autocollimation theodolite to the side of polarizer A part from locating tab assembly.
4. according to the measuring method in the said linearly polarized light polarization vector of claim 2 orientation, it is characterized in that: the extinction ratio of said polarizer is not more than 10
-5The angular resolution of one dimension turntable is not more than 0.2 ".
5. realize the measurement mechanism of detection method according to claim 1 for one kind; Comprise one dimension turntable that polarizer, benchmark prism, autocollimation theodolite, drive polarizer horizontally rotate and be set in turn in condenser and photodetector on the polarizer emitting light path adopt electric-control system indication polarizer whether to turn to the extinction position along light transmission shaft; Wherein, autocollimation theodolite is used for side to polarizer from locating tab assembly; Said benchmark prism and polarizer are connected through picture frame and make polarizer and location, benchmark prism upset back reliably, thereby the orientation of realization measuring basis prism is to replace measuring the orientation, side of polarizer;
Described polarizer is the integral piece that is formed by the identical calcite crystal gummed of three block of material parameters, and wherein, the calcite crystal in the middle of being positioned at is designated as A, and the calcite crystal that is positioned at both sides is designated as B, C respectively; Then A has upper and lower logical light face, and B, C are wedge shape and B has following logical light face, C has the logical light face of going up; B, C are parallel to each other with the oblique cemented surface that A forms respectively.
6. measurement mechanism according to claim 5 is characterized in that: the extinction ratio of said polarizer is not more than 10
-5The angular resolution of one dimension turntable is not more than 0.2 ".
7. measurement mechanism according to claim 5 is characterized in that: polarizer and benchmark prism are assemblied in the same picture frame through trip bolt.
8. measurement mechanism according to claim 5 is characterized in that: the outside surface of the logical light face of all of polarizer all is coated with antireflecting film, makes reflectivity not be higher than 0.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210023242 CN102589703B (en) | 2012-02-02 | 2012-02-02 | Method and device for measuring linear polarization light polarization vector direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210023242 CN102589703B (en) | 2012-02-02 | 2012-02-02 | Method and device for measuring linear polarization light polarization vector direction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102589703A true CN102589703A (en) | 2012-07-18 |
| CN102589703B CN102589703B (en) | 2013-11-06 |
Family
ID=46478669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210023242 Expired - Fee Related CN102589703B (en) | 2012-02-02 | 2012-02-02 | Method and device for measuring linear polarization light polarization vector direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102589703B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179066A (en) * | 2017-05-10 | 2017-09-19 | 中国科学院西安光学精密机械研究所 | Rotary calibration device and calibration method thereof |
| CN113933024A (en) * | 2021-08-31 | 2022-01-14 | 中国科学院合肥物质科学研究院 | Method for measuring absolute polarization azimuth angle of depolarizer in optical remote sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08122154A (en) * | 1994-10-19 | 1996-05-17 | Advantest Corp | Polarization measuring instrument |
| KR100594368B1 (en) * | 2004-08-12 | 2006-06-30 | (주)엘립소테크놀러지 | An Apparatus For Measuring Optic Axis Off-Alignment Of Polarizing Plate And Phase Retardation Plate And Method Thereof |
| CN102073324A (en) * | 2010-12-29 | 2011-05-25 | 哈尔滨工业大学 | Linearly polarized light-based polarization tracking system and method |
| CN102279094A (en) * | 2011-03-16 | 2011-12-14 | 中国科学院上海技术物理研究所 | Apparatus and method for calibrating transmission axis of polaroid |
-
2012
- 2012-02-02 CN CN 201210023242 patent/CN102589703B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08122154A (en) * | 1994-10-19 | 1996-05-17 | Advantest Corp | Polarization measuring instrument |
| KR100594368B1 (en) * | 2004-08-12 | 2006-06-30 | (주)엘립소테크놀러지 | An Apparatus For Measuring Optic Axis Off-Alignment Of Polarizing Plate And Phase Retardation Plate And Method Thereof |
| CN102073324A (en) * | 2010-12-29 | 2011-05-25 | 哈尔滨工业大学 | Linearly polarized light-based polarization tracking system and method |
| CN102279094A (en) * | 2011-03-16 | 2011-12-14 | 中国科学院上海技术物理研究所 | Apparatus and method for calibrating transmission axis of polaroid |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107179066A (en) * | 2017-05-10 | 2017-09-19 | 中国科学院西安光学精密机械研究所 | Rotary calibration device and calibration method thereof |
| CN113933024A (en) * | 2021-08-31 | 2022-01-14 | 中国科学院合肥物质科学研究院 | Method for measuring absolute polarization azimuth angle of depolarizer in optical remote sensor |
| CN113933024B (en) * | 2021-08-31 | 2023-05-02 | 中国科学院合肥物质科学研究院 | Method for measuring absolute polarization azimuth angle of analyzer in optical remote sensor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102589703B (en) | 2013-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10215854B2 (en) | Distance measuring module comprising a variable optical attenuation unit including an LC cell | |
| CN102954869B (en) | A kind of polarization maintaining optical fibre High Extinction Ratio calibrating installation and calibration steps thereof | |
| CN103926574A (en) | Laser radar optical receiver assembly | |
| CN104142579A (en) | Adjustment method for reflectors of periscopic type acquisition and tracking mechanism | |
| CN102109330A (en) | Light beam position and polarization angle common light path detection device and method | |
| CN106338333B (en) | High robust homodyne laser vibration measurer and four steppings based on wave plate yaw | |
| CN102927992A (en) | Theodolite horizontal one-test-return precision testing system under extreme temperature condition | |
| GB2539844A (en) | Dual-optical-path optical centering instrument for eliminating stray light | |
| CN106248195B (en) | The high robust homodyne laser vibration measurer and four steppings of additional phase shift compensation | |
| CN202420681U (en) | Measuring device for linear polarization light polarization vector direction | |
| CN100559114C (en) | High-precision angle measuring method | |
| CN102589703B (en) | Method and device for measuring linear polarization light polarization vector direction | |
| CN101776454B (en) | Plane verticality detection method and device by right-angle reflecting prism method | |
| CN203053678U (en) | Detection calibration apparatus for multi-optical axis dynamic consistency | |
| CN205067831U (en) | A adjusting device for making camera camera lens optical axis accuracy turns to 90 | |
| CN1896718A (en) | Method for measuring semiconductor chip sub-surface damage layer | |
| JP2006242617A (en) | Device and method for measuring axial azimuth | |
| CN203069863U (en) | Adjusting device applied to coincidence of image point in prism reflector and reflector reference point | |
| CN117073655A (en) | Full-optical-path power stabilizing system of SERF inertial device based on annular PD | |
| CN217766824U (en) | Radar photoelectricity is with monitoring equipment of shafting setting | |
| CN103148807A (en) | Ultraviolet and visible light double optical axis parallelism calibration device under external field environment | |
| CN102749187B (en) | Method for measuring polarization fidelity of optical film | |
| KR100997948B1 (en) | a system for simultaneous measurement of linear and angilar displacement | |
| CN104316000B (en) | A kind of polarization isolation digital photoelectric auto-collimator of twin shaft | |
| CN205482978U (en) | Total powerstation light shaft detection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131106 Termination date: 20210202 |