CN110470612A - A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range - Google Patents
A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range Download PDFInfo
- Publication number
- CN110470612A CN110470612A CN201910664232.XA CN201910664232A CN110470612A CN 110470612 A CN110470612 A CN 110470612A CN 201910664232 A CN201910664232 A CN 201910664232A CN 110470612 A CN110470612 A CN 110470612A
- Authority
- CN
- China
- Prior art keywords
- prism
- light
- coherence tomography
- optical coherence
- reflecting mirror
- 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
- 238000012014 optical coherence tomography Methods 0.000 title claims abstract description 27
- 238000001228 spectrum Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 16
- 239000006185 dispersion Substances 0.000 claims description 12
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 6
- PFNQVRZLDWYSCW-UHFFFAOYSA-N (fluoren-9-ylideneamino) n-naphthalen-1-ylcarbamate Chemical group C12=CC=CC=C2C2=CC=CC=C2C1=NOC(=O)NC1=CC=CC2=CC=CC=C12 PFNQVRZLDWYSCW-UHFFFAOYSA-N 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000001914 filtration Methods 0.000 abstract description 4
- 230000001427 coherent effect Effects 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 201000009310 astigmatism Diseases 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/12—Generating the spectrum; Monochromators
- G01J3/14—Generating the spectrum; Monochromators using refracting elements, e.g. prisms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
- G01J3/45—Interferometric spectrometry
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/255—Details, e.g. use of specially adapted sources, lighting or optical systems
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The invention discloses a kind of operation wavelength and with the adjustable Optical coherence tomography of broad range, it include: laser, sample arm, reference arm, spectrum acquisition device, photo-coupler and filter, the filter includes: D-shaped reflecting mirror, prism to, shelter and the first reflecting mirror, laser issues complex light, the complex light projects after entering filter filtering and respectively enters sample arm and reference arm, the light that the sample arm and reference arm are returned forms interference fringe in photo-coupler and passes to spectrum acquisition device, the coherent tomographic of complete paired samples.The Optical coherence tomography is adjusted wavelength and bandwidth using filter, so that the operation wavelength and bandwidth of entire Optical coherence tomography are adjustable, facilitate and adapts to different detection environment.Present invention is mainly used for optical coherence tomography equipment technical fields.
Description
Technical field
The present invention relates to optical coherence tomography equipment technical field, in particular to a kind of operation wavelength and can with broad range
The Optical coherence tomography of tune.
Background technique
Optical coherence tomography can obtain the three-dimensional structure information of sample.Current Optical coherence tomography desorption device is all
Fixed wave length, the system of fixed-bandwidth, so that Optical coherence tomography desorption device is only applicable to specifically apply, and performance indicator is
Fixed.
Summary of the invention
The object of the present invention is to provide the adjustable Optical coherence tomographies of a kind of operation wavelength, bandwidth.
The solution that the present invention solves its technical problem is: a kind of operation wavelength and with the adjustable optics phase of broad range
Dried layer analysis system, comprising: laser, sample arm, reference arm, spectrum acquisition device, photo-coupler and filter, the filter
It include: D-shaped reflecting mirror, prism to, shelter and the first reflecting mirror, laser issues complex light, and the prism is to including: first
The optical characteristics of prism and the second prism, first prism and the second prism is all the same, and the complex light is with cloth
This special angle incidence of scholar enters the first prism, and the light incident surface of second prism and the light-emitting face of the first prism are flat
Row, the complex light successively form dispersed light after the first prism and the second prism, and the dispersed light is blocked object filter
The first reflecting mirror is reached after wave, first reflecting mirror is with first angle towards prism to inclination, the angle of the first angle
Value is 1 ° -2 °, and the dispersed light is reflected and is back to prism to being mixed into detection complex light, the spy by first reflecting mirror
It surveys complex light and is projected by D-shaped reflecting mirror and enter photo-coupler, the detection complex light is divided into two-way light by the photo-coupler, the
Light enters sample arm all the way, and the second road light enters reference arm, the light that the sample arm and reference arm are returned shape in photo-coupler
At interference fringe and pass to spectrum acquisition device.
Further, the reference arm includes: the second reflecting mirror, dispersion compensator, attenuator, half-wave plate, second tunnel
Light passes sequentially through half-wave plate, attenuator, dispersion compensator and reaches the second reflecting mirror.
Further, spectrum acquisition device includes: InGaAs spectrometer, two-way Look mirror and CMOS spectrometer, the bidirectional color
The interference fringe passed over is distinguished and respectively enters CMOS spectrometer and InGaAs spectrometer by mirror.
Further, the material of first prism is N-SF11, optical transmission window is 420nm-2.3 μm.
Further, the material of first prism is F2, optical transmission window is 385nm-2 μm.
Further, the material of first prism is calcirm-fluoride, optical transmission window is 600nm-8 μm.
Further, the material of first prism is zinc selenide, optical transmission window is 2 μm -16 μm.
Further, the shelter is connected with motorized precision translation stage, and the motorized precision translation stage is moved for controlling the shelter
It moves to control shelter to the amount of blocking of dispersed light, the shelter is filtered dispersed light with shielding mode.
Further, the shelter is plate-like.
The beneficial effects of the present invention are: the Optical coherence tomography is adjusted wavelength and bandwidth using filter,
So that the operation wavelength and bandwidth of entire Optical coherence tomography are adjustable, facilitate and adapt to different detection environment.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described.Obviously, described attached drawing is a part of the embodiments of the present invention, rather than is all implemented
Example, those skilled in the art without creative efforts, can also be obtained according to these attached drawings other designs
Scheme and attached drawing.
Fig. 1 is the index path of Optical coherence tomography；
Fig. 2 is the location diagram of reflecting mirror.
Specific embodiment
It is carried out below with reference to technical effect of the embodiment and attached drawing to design of the invention, specific structure and generation clear
Chu is fully described by, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is this hair
Bright a part of the embodiment, rather than whole embodiments, based on the embodiment of the present invention, those skilled in the art are not being paid
Other embodiments obtained, belong to the scope of protection of the invention under the premise of creative work.In addition, be previously mentioned in text
All connection/connection relationships not singly refer to that component directly connects, and referring to can be added deduct according to specific implementation situation by adding
Few couple auxiliary, Lai Zucheng more preferably coupling structure.Each technical characteristic in the invention, in not conflicting conflict
Under the premise of can be with combination of interactions.
Embodiment 1, with reference to Fig. 1 and Fig. 2, a kind of operation wavelength and with the adjustable Optical coherence tomography of broad range,
It include: laser 510, sample arm 700, reference arm 600, spectrum acquisition device 800, photo-coupler 520 and filter, the filter
Wave device includes: D-shaped reflecting mirror 100, prism to 200, shelter 300 and the first reflecting mirror 400, and shelter 400 is preferably plate
Shelter, laser 510 issue complex light 110, and the prism includes: the first prism 210 and the second prism 220 to 200,
The optical characteristics of first prism 210 and the second prism 220 is all the same, and the complex light 110 is entered with Brewster's angle
It injecting into the first prism 210, the light incident surface of second prism 220 is parallel with the light-emitting face of the first prism 210,
The complex light 110 successively forms dispersed light 120, the dispersed light after the first prism 210 and the second prism 220
120, which are blocked, reaches the first reflecting mirror 400 after object 300 filters, wherein the first reflecting mirror 400 is with first angle α towards prism pair
Inclination is expressed for convenience with reference to Fig. 1 and 2, draws coordinate system in fig. 1, wherein the plane of drawing is the face x-y, deeply
Drawing direction is the direction z.With reference to Fig. 2, the first reflecting mirror 400 is tilted towards prism to 200 with first angle α, first angle α's
Angle value is 1 ° -2 °, which refers to the angle value between z-axis.First reflecting mirror 400 is by the dispersed light
120 reflection be back to prism to be mixed into detection complex light 130, the detection complex light 130 by D-shaped reflecting mirror 100 project into
Enter photo-coupler 520, the detection complex light 130 is divided into two-way light by the photo-coupler 520, and first via light enters sample arm
700, the second road light enters reference arm 600, and the light that the sample arm 700 and reference arm 600 are returned is formed in photo-coupler 520
Interference fringe simultaneously passes to spectrum acquisition device 800.
When this system needs to adjust operation wavelength and bandwidth, it is only necessary to adjust the spatial position of shelter 300.Tool
Body principle is as follows: the first prism 210 and the second prism 220 composition prism are to 200, when complex light 110 passes through the first trigone
When mirror 210, complex light 110 is done only once dispersion, and complex light 110 is opened according to spectrum by dispersion, the complex light 110 after dispersion into
Enter the second prism 220, under the action of the second prism 220, the complex light 110 after dispersion forms dispersed light by dispersion again
120, by dispersion twice, so that dispersed light 120 scatters completely in space according to wavelength, when needing to operation wavelength and bandwidth
When being adjusted, shelter 300 is adjusted, it can spatially the light of stop portions wavelength passes through.By shelter 300 to hide
The mode of gear is filtered dispersed light 120, it is preferred that by motorized precision translation stage control shelter to needs filter out at
Light splitting is stopped, so that it can not reach the first reflecting mirror 400.First reflecting mirror 400 reflects dispersed light 120, from
And changing the transmission route for the astigmatism 120 that fades, dispersed light 120 returns.During return, again by prism to 200, color
Astigmatism 120 is combined into outgoing complex light 130, and the outgoing complex light 130 is compared with original complex light 110, spectral component
Filtered.The outgoing complex light 130 projects by D-shaped reflecting mirror 100 and enters photo-coupler 520, and photo-coupler 520 will
Outgoing complex light 130 is divided into two-way light, and first via light enters sample arm 700, and the second road light enters reference arm 600, the sample
The light that arm 700 and reference arm 600 are returned forms interference fringe in photo-coupler 520 and passes to spectrum acquisition device 800, complete
It is operated at coherent tomographic.
The Optical coherence tomography is adjusted wavelength and bandwidth using filter, so that entire optical coherence tomography
The operation wavelength and bandwidth of system are adjustable, facilitate and adapt to different detection environment.
As optimization, the reference arm 600 includes: the second reflecting mirror 610, dispersion compensator 620, attenuator 630, half-wave
Piece 640, second road light pass sequentially through half-wave plate 640, attenuator 630, dispersion compensator 620 and reach the second reflecting mirror 610.
As optimization, spectrum acquisition device 800 includes: InGaAs spectrometer 830, two-way Look mirror 820 and CMOS spectrometer
810, the interference fringe passed over is distinguished and respectively enters CMOS spectrometer 810 and InGaAs light by the two-way Look mirror 820
Spectrometer 830.
As optimization, the material of first prism 210 is N-SF11, optical transmission window is 420nm-2.3 μm.Passing through will
The material selection of first prism 210 is N-SF11, optical transmission window is 420nm-2.3 μm, be may be implemented to 420nm-2.3 μm
Spectrum segment is filtered.
As optimization, the material of first prism 210 is F2, optical transmission window is 385nm-2 μm.By by the one or three
The material of prism 210 is F2, optical transmission window is 385nm-2 μm, and effective filtering of the spectrum segment to 385nm-2 μm may be implemented.
As optimization, the material of first prism 210 is calcirm-fluoride, optical transmission window is 600nm-8 μm.By by
The material of one prism 210 is selected as calcirm-fluoride, optical transmission window is 600nm-8 μm, and the spectrum segment to 600nm-8 μm may be implemented
Effectively filtering.
As optimization, the material of first prism 210 is zinc selenide, optical transmission window is 2 μm -16 μm.By by
The material of one prism 210 is selected as zinc selenide, optical transmission window is 2 μm -16 μm, and having for the spectrum segment to 2 μm -16 μm may be implemented
Effect filtering.
Better embodiment of the invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make various equivalent modifications on the premise of without prejudice to spirit of the invention or replace
It changes, these equivalent variation or replacement are all included in the scope defined by the claims of the present application.
Claims (9)
1. a kind of operation wavelength and with the adjustable Optical coherence tomography of broad range characterized by comprising laser,
Sample arm, reference arm, spectrum acquisition device, photo-coupler and filter, the filter include: D-shaped reflecting mirror, prism to,
Shelter and the first reflecting mirror, laser issue complex light, and the prism is to including: the first prism and the second prism, institute
The optical characteristics for stating the first prism and the second prism is all the same, and the complex light enters the one or three with brewster angle incidence
The light incident surface of prism, second prism is parallel with the light-emitting face of the first prism, and the complex light successively passes through
Dispersed light is formed after one prism and the second prism, the dispersed light is blocked after object filters and reaches the first reflecting mirror, described
First reflecting mirror with first angle towards prism to inclination, the angle value of the first angle is 1 ° -2 °, first reflecting mirror
The dispersed light is reflected and is back to prism and is projected to detection complex light, the detection complex light is mixed by D-shaped reflecting mirror
Into photo-coupler, the detection complex light is divided into two-way light by the photo-coupler, and first via light enters sample arm, the second tunnel
Light enters reference arm, and the light that the sample arm and reference arm are returned, which forms interference fringe in photo-coupler and passes to spectrum, to be connect
Receiving apparatus.
2. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the reference arm includes: the second reflecting mirror, dispersion compensator, attenuator, half-wave plate, and second road light successively leads to
It crosses half-wave plate, attenuator, dispersion compensator and reaches the second reflecting mirror.
3. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that spectrum acquisition device includes: InGaAs spectrometer, two-way Look mirror and CMOS spectrometer, and the two-way Look mirror will be transmitted
The interference fringe to come over is distinguished and respectively enters CMOS spectrometer and InGaAs spectrometer.
4. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the material of first prism is N-SF11, optical transmission window is 420nm-2.3 μm.
5. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the material of first prism is F2, optical transmission window is 385nm-2 μm.
6. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the material of first prism is calcirm-fluoride, optical transmission window is 600nm-8 μm.
7. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the material of first prism is zinc selenide, optical transmission window is 2 μm -16 μm.
8. a kind of operation wavelength according to claim 1 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the shelter is connected with motorized precision translation stage, and the motorized precision translation stage is mobile to control for controlling the shelter
Shelter is filtered the amount of blocking of dispersed light, the shelter with shielding mode to dispersed light.
9. a kind of operation wavelength according to claim 8 and with the adjustable Optical coherence tomography of broad range, special
Sign is that the shelter is plate-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664232.XA CN110470612A (en) | 2019-07-23 | 2019-07-23 | A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910664232.XA CN110470612A (en) | 2019-07-23 | 2019-07-23 | A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110470612A true CN110470612A (en) | 2019-11-19 |
Family
ID=68508955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910664232.XA Pending CN110470612A (en) | 2019-07-23 | 2019-07-23 | A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110470612A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201542612U (en) * | 2009-11-26 | 2010-08-11 | 浙江大学 | Acousto-optic gating light spectrum fast detection system for spectral domain OCT |
| CN103815868A (en) * | 2014-02-26 | 2014-05-28 | 中国科学院光电技术研究所 | Full-eye optical coherence tomography imager |
| CN104483291A (en) * | 2014-12-12 | 2015-04-01 | 渭南师范学院 | Rapid full-field detecting method of OCT (optical coherence tomography) |
| CN106821323A (en) * | 2017-02-21 | 2017-06-13 | 苏州大学 | The adjustable optical coherence tomography method and system of image planes form |
| CN108141003A (en) * | 2015-10-16 | 2018-06-08 | 统雷有限公司 | For the linear electric machine or voice coil of quick tuning laser device chamber |
| CN108732133A (en) * | 2018-04-12 | 2018-11-02 | 杭州电子科技大学 | It is a kind of based on the plant disease of optical image technology in body nondestructive detection system |
-
2019
- 2019-07-23 CN CN201910664232.XA patent/CN110470612A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201542612U (en) * | 2009-11-26 | 2010-08-11 | 浙江大学 | Acousto-optic gating light spectrum fast detection system for spectral domain OCT |
| CN103815868A (en) * | 2014-02-26 | 2014-05-28 | 中国科学院光电技术研究所 | Full-eye optical coherence tomography imager |
| CN104483291A (en) * | 2014-12-12 | 2015-04-01 | 渭南师范学院 | Rapid full-field detecting method of OCT (optical coherence tomography) |
| CN108141003A (en) * | 2015-10-16 | 2018-06-08 | 统雷有限公司 | For the linear electric machine or voice coil of quick tuning laser device chamber |
| CN106821323A (en) * | 2017-02-21 | 2017-06-13 | 苏州大学 | The adjustable optical coherence tomography method and system of image planes form |
| CN108732133A (en) * | 2018-04-12 | 2018-11-02 | 杭州电子科技大学 | It is a kind of based on the plant disease of optical image technology in body nondestructive detection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103900493B (en) | Micro-nano structure topography measurement device and method based on digital scan white light interference | |
| US6654127B2 (en) | Optical delay line | |
| CN104950429B (en) | Including for providing repeatedly the 3D microscope of the pluggable component of imaging and measurement capability | |
| DE112015001069T5 (en) | Apparatus and method for detecting a moving object using images in cooperation with spectrum of entire wavelength ranges | |
| DE3240234C2 (en) | Surface profile interferometer | |
| EP0087574A1 (en) | Optical system for transmission-type microphotometry | |
| CN107144217B (en) | Fiber optic interferometric confocal system for optical element processing quality on-line checking | |
| DE102017128158A9 (en) | Distance measuring device and method for measuring distances | |
| CN106290228A (en) | A kind of fitment combination formula terahertz time-domain spectroscopy system | |
| CN103424190B (en) | Double wedge plate dispersion shear interference Hyper spectral Imaging device and method | |
| CN104748855B (en) | Binary channels high flux interference imaging spectral device and method | |
| CN106153196A (en) | Based on the Fourier transform spectrometer, without horizontal glass Michelson's interferometer | |
| CN103592652B (en) | Bifrequency Doppler laser radar detection system based on single four marginal technology of solid FP etalons | |
| CN102749042A (en) | Double-triangle type multi-channel medium wave infrared interference detection device | |
| Ohmi et al. | Development of novel high-speed en face optical coherence tomography system using KTN optical beam deflector | |
| CN102322956A (en) | Rotating-mirror Fourier interference imaging spectrometer | |
| CN110470612A (en) | A kind of operation wavelength and with the adjustable Optical coherence tomography of broad range | |
| DE102012214019B3 (en) | Measuring system for determination of reflectance characteristics of materials of e.g. solar mirror in solar power plant, has hood comprising recess or area over which beam is introduced, and tape pivotably arranged at surface of hood | |
| JPH11264935A (en) | Microscopic infrared device | |
| DE102011116403B4 (en) | Apparatus and method for measuring surfaces or interfaces | |
| DE102017006846A1 (en) | Device and method for distance measurement | |
| Kim et al. | Quantum optical induced-coherence tomography by a hybrid interferometer | |
| DE3737426C2 (en) | Interferometer | |
| CN208013077U (en) | A kind of transparent sample light scattering signal collection device and corresponding signal analytical equipment | |
| Hattori et al. | High-speed ultrahigh-resolution spectral domain optical coherence tomography using high-power supercontinuum at 0.8 µm wavelength |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191119 |
|
| RJ01 | Rejection of invention patent application after publication |