CN103606751B - Thin substrate quasi-yagi difference beam plane horn antenna - Google Patents
Thin substrate quasi-yagi difference beam plane horn antenna Download PDFInfo
- Publication number
- CN103606751B CN103606751B CN201310620854.5A CN201310620854A CN103606751B CN 103606751 B CN103606751 B CN 103606751B CN 201310620854 A CN201310620854 A CN 201310620854A CN 103606751 B CN103606751 B CN 103606751B
- Authority
- CN
- China
- Prior art keywords
- antenna
- substrate
- horn antenna
- yagi
- quasi
- 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.)
- Expired - Fee Related
Links
Landscapes
- Waveguide Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Thin substrate quasi-yagi difference beam plane horn antenna relates to a kind of horn antenna.This antenna is included in the microstrip feed line (2) on medium substrate (1), horn antenna (3) and Quasi-Yagi antenna (4), horn antenna (3) is by the first metal flat (7), second metal flat (8) and two row's metallization via hole trumpet side walls (9) compositions, odd number metallization arrays of vias (11) and even number dielectric-filled waveguide (17) is had in horn antenna (3), in horn antenna (3) bore face (10), upper each dielectric-filled waveguide (17) is connected to a Quasi-Yagi antenna (4) be made up of active dipole (20) and parasitic element (21), left half antenna (15) and institute's Quasi-Yagi antenna that connects (4) and right half antenna (16) and institute's Quasi-Yagi antenna that connects (4) symmetrical.Radiation field of aerial polarised direction and substrate-parallel, this antenna can use thin Substrate manufacture and gain high, large zero is dark, cost is low and compact conformation.
Description
Technical field
The present invention relates to a kind of horn antenna, especially a kind of thin substrate quasi-yagi difference beam plane horn antenna.
Background technology
Horn antenna has a wide range of applications in the systems such as satellite communication, terrestrial microwave link and radio telescope.But the huge physical dimension of three-dimensional horn antenna constrains its application and development in planar circuit.In recent years, the proposition of substrate integrated waveguide technology and development well facilitate the development of planar horn antenna.Substrate integration wave-guide have size little, lightweight, be easy to integrated and the advantage such as processing and fabricating.Based on the substrate integration wave-guide planar horn antenna of the plane of substrate integration wave-guide except the feature with horn antenna, also well achieve the miniaturization of horn antenna, lightness, and be easy to be integrated in microwave and millimeter wave planar circuit.Traditional substrate integration wave-guide planar horn antenna have a restriction, the thickness of antenna horn aperture substrate is greater than 1/10th operation wavelengths, and antenna just can have good radiance, not so due to reflection, the energy emission in antenna is not gone out.So just require that the thickness of antenna substrate can not be too thin, L-band etc. comparatively low-frequency range to meet this requirement very difficult especially, very thick substrate not only volume and weight is very large, counteracts integrated advantage, but also adds cost.The polarised direction of these antenna radiation field is generally all perpendicular to medium substrate in addition, and some application needs the polarization parallel of radiation field in medium substrate.More existing antennas load the radiation that paster improves thin substrate plane horn antenna before planar horn antenna, but the patch size loaded is comparatively large, and working band is narrower.Generally for and realize difference beam, need to adopt special feeder equipment, these feeder equipments or not easily realize in planar circuit, or the phase-shift circuit of arrowband.
Summary of the invention
technical problem:the object of the invention is to propose a kind of thin substrate quasi-yagi difference beam plane horn antenna, the polarised direction of this radiation field of aerial is parallel with medium substrate, very thin medium substrate manufacture can be used, when the electric very thin thickness of substrate, still there is excellent radiance, increase the zero dark and improve the slope of antenna difference beam of antenna difference beam.
technical scheme:thin substrate quasi-yagi difference beam plane horn antenna of the present invention, is characterized in that this antenna comprises the microstrip feed line be arranged on medium substrate, the integrated horn antenna of substrate and multiple Quasi-Yagi antenna; First port of described microstrip feed line is the input/output port of this antenna, and the second port of microstrip feed line connects with the integrated horn antenna of substrate; The integrated horn antenna of substrate to be connected the first metal flat and the second metal flat by the first metal flat being positioned at medium substrate one side, the second metal flat of being positioned at medium substrate another side two row's metallization via hole trumpet side walls with through medium substrate form, width between two row's metallization via hole trumpet side walls of the integrated horn antenna of substrate becomes large gradually, form one tubaeformly to dehisce, the end of dehiscing is the bore face of the integrated horn antenna of substrate; Odd number metallization arrays of vias is had to connect the first metal flat and the second metal flat in the integrated horn antenna of substrate, the length of each metallization arrays of vias is the same, the head end of metallization arrays of vias is inner at the integrated horn antenna of substrate, and the tail end of metallization arrays of vias is on the bore face of the integrated horn antenna of substrate; In metallization arrays of vias, there is an intermediate metallization arrays of vias that whole antenna is divided into a symmetrical left side half antenna and right half antenna two parts; Row's metallization via hole trumpet side walls that two adjacent metallization arrays of vias or a metallization arrays of vias are adjacent, form dielectric-filled waveguide with the first metal flat and the second metal flat, outside bore face, each dielectric-filled waveguide is connected to a Quasi-Yagi antenna.
The conduction band of microstrip feed line connects with the first metal flat, and the ground plane of microstrip feed line connects with the second metal flat.
The width of dielectric-filled waveguide will make electromagnetic wave to propagate and not to be cut off wherein, and the length of dielectric-filled waveguide has more than half guide wavelength.
Each Quasi-Yagi antenna is made up of an active dipole, one or several parasitic element; Active dipole has the first radiation arm and the second radiation arm respectively on the two sides of medium substrate, first radiation arm of active dipole is connected with the first metal flat of the integrated horn antenna of substrate, second radiation arm of active dipole is connected with the second metal flat of the integrated horn antenna of substrate, and the first radiation arm and second radiation arm of each active dipole stretch in the opposite direction; Parasitic element is positioned at any one side of medium substrate or two sides can.
The direction of extension of the first radiation arm of all active dipoles that left half antenna connects is all identical, and the direction of extension of the second radiation arm of all active dipoles that left half antenna connects is all identical; The direction of extension of the first radiation arm of all active dipoles that right half antenna connects is all identical, and the direction of extension of the second radiation arm of all active dipoles that right half antenna connects is all identical; The direction of extension of the first radiation arm of the active dipole that left half antenna connects is identical with the direction of extension of the second radiation arm of the active dipole that right half antenna connects, and the direction of extension of the second radiation arm of the active dipole that left half antenna connects is identical with the direction of extension of the first radiation arm of the active dipole that right half antenna connects.
Metallize in via hole trumpet side walls and metallization arrays of vias, the spacing of two adjacent metallization via holes is less than or equals 1/10th of operation wavelength, makes the metallization via hole trumpet side walls formed can be equivalent to electric wall with metallization arrays of vias.
Electromagnetic wave inputs from one end of microstrip feed line, the other end through microstrip feed line enters substrate integration wave-guide horn antenna, after propagating a segment distance, run into metallization arrays of vias, just enter the transmission of each dielectric-filled waveguide respectively, the electromagnetic wave entering each dielectric waveguide enters Quasi-Yagi antenna radiation by antenna opening diametric plane, the polarised direction of radiation field also becomes and connects subparallel horizontal direction with substrate, because the radiation arm of left half antenna Quasi-Yagi antenna and the radiation arm of right half antenna Quasi-Yagi antenna are symmetrical, therefore the polarised direction of left half antenna Quasi-Yagi antenna radiation field is contrary with the polarised direction of right half antenna Quasi-Yagi antenna radiation field, so just define difference beam in the direction of parallel medium substrate.Quasi-Yagi antenna, in main radiation direction, is equivalent to a linear array, has higher gain, and therefore relative to common plane horn antenna, this antenna has very high gain, namely adds zero dark and slope of difference beam.
Owing to there being multiple metallization arrays of vias that the bore face of antenna is divided into a lot of little bore faces, it is very little that the size of the Quasi-Yagi antenna that each osculum diametric plane connects can be done, and compact conformation, the size of such antenna also only increase seldom.
Antenna is between feeding microstrip line to Quasi-Yagi antenna, and be all closed substrate integrated wave guide structure, therefore feeder loss is less.
beneficial effect:the beneficial effect of the thin substrate quasi-yagi difference beam plane horn antenna of the present invention is that the polarised direction of this radiation field of aerial is parallel with medium substrate; This antenna can use the medium substrate manufacture of thickness of wavelength lower than 2 percent, far below the substrate thickness of 1/10th wavelength required by usual planar horn antenna, when the electric very thin thickness of substrate, still there is excellent radiance, such as in 6GHz frequency, adopt the thickness of epoxide resin material substrate can be reduced to 0.5mm by 2.5mm, thus greatly reduce size, weight and cost; Antenna can increase the zero dark and improve the slope of antenna difference beam of difference beam, and compact conformation, the feeder loss of antenna are little.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further described.
Fig. 1 is the structural representation of the thin substrate quasi-yagi difference beam plane horn antenna of the present invention.
Have in figure: the integrated horn antenna 3 of medium substrate 1, microstrip feed line 2, substrate, Quasi-Yagi antenna array 4, first port 5 of microstrip feed line 2, second port 6 of microstrip feed line 2, first metal flat 7 of medium substrate 1, second metal flat 8 of medium substrate 1, metallization via hole trumpet side walls 9, the bore face 10 of antenna 3, metallization arrays of vias 11, the head end 12 of metallization arrays of vias 11, the tail end 13 of metallization arrays of vias 11, intermediate metallization arrays of vias 14, left half antenna 15, right half antenna 16, dielectric-filled waveguide 17, the conduction band 18 of microstrip feed line 2, the ground plane 19 of microstrip feed line 2, active dipole 20, parasitic element 21, first radiation arm 22 and the second radiation arm 23.
Embodiment
Embodiment of the present invention is: thin substrate quasi-yagi difference beam plane horn antenna comprises the microstrip feed line 2 be arranged on medium substrate 1, the integrated horn antenna of substrate 3 and multiple Quasi-Yagi antenna 4; First port 5 of described microstrip feed line 2 is input/output ports of this antenna, and the second port 6 of microstrip feed line 2 connects with the integrated horn antenna 3 of substrate; The integrated horn antenna 3 of substrate to be connected the first metal flat 7 and the second metal flat 8 by the first metal flat 7 being positioned at medium substrate 1 one side, the second metal flat 8 of being positioned at medium substrate 1 another side two row's metallization via hole trumpet side walls 9 with through medium substrate 1 form, width between two row's metallization via hole trumpet side walls 9 of the integrated horn antenna of substrate 3 becomes large gradually, form one tubaeformly to dehisce, the end of dehiscing is the bore face 10 of the integrated horn antenna 3 of substrate; Odd number metallization arrays of vias 11 is had to connect the first metal flat 7 and the second metal flat 8 in the integrated horn antenna 3 of substrate, the length of each metallization arrays of vias 11 is the same, the head end 12 of metallization arrays of vias 11 is inner at the integrated horn antenna 3 of substrate, and the tail end 13 of metallization arrays of vias 11 is on the bore face 10 of the integrated horn antenna 3 of substrate; In metallization arrays of vias 11, there is an intermediate metallization arrays of vias 14 that whole antenna is divided into a symmetrical left side half antenna 15 and right half antenna 16 two parts; Row's metallization via hole trumpet side walls 9 that two adjacent metallization arrays of vias 11 or a metallization arrays of vias 11 are adjacent, form dielectric-filled waveguide 17 with the first metal flat 7 and the second metal flat 8, in bore face 10, outer each dielectric-filled waveguide 17 is connected to a Quasi-Yagi antenna 4.
The conduction band 18 of microstrip feed line 2 connects with the first metal flat 7, and the ground plane 19 of microstrip feed line 2 connects with the second metal flat 8.
The width of dielectric-filled waveguide 17 will make electromagnetic wave to propagate and not to be cut off wherein, and the length of dielectric-filled waveguide 17 has more than half guide wavelength.
Each Quasi-Yagi antenna 4 is made up of an active dipole 20, or several parasitic element 21; Active dipole 20 has the first radiation arm 22 and the second radiation arm 23 respectively on the two sides of medium substrate 1, first radiation arm 22 of active dipole 20 is connected with the first metal flat 7 of the integrated horn antenna 3 of substrate, second radiation arm 23 of active dipole 20 is connected with the second metal flat 8 of the integrated horn antenna 3 of substrate, and the first radiation arm 22 of each active dipole 20 and the second radiation arm 23 stretch in the opposite direction; Parasitic element 22 is positioned at any one side of medium substrate 1 or two sides can.
The direction of extension of the first radiation arm 22 of all active dipoles 20 that left half antenna 15 connects is all identical, and the direction of extension of the second radiation arm 23 of all active dipoles 20 that left half antenna 15 connects is all identical; The direction of extension of the first radiation arm 22 of all active dipoles 20 that right half antenna 16 connects is all identical, and the direction of extension of the second radiation arm 23 of all active dipoles 20 that right half antenna 16 connects is all identical; The direction of extension of the first radiation arm 22 of the active dipole 20 that left half antenna 15 connects is identical with the direction of extension of the second radiation arm 23 of the active dipole 20 that right half antenna 16 connects, and the direction of extension of the second radiation arm 23 of the active dipole 20 that left half antenna 15 connects is identical with the direction of extension of the first radiation arm 22 of the active dipole 20 that right half antenna 16 connects.
Metallization via hole trumpet side walls 9 is with in metallization arrays of vias 11, the spacing of two adjacent metallization via holes is less than or equals 1/10th of operation wavelength, makes the metallization via hole trumpet side walls 9 formed can be equivalent to electric wall with metallization arrays of vias 11.
When designing, the length of metallization arrays of vias 11 generally will make the length of dielectric-filled waveguide 17 have more than half guide wavelength that antenna just can be made to have larger gain.
In technique, thin substrate quasi-yagi difference beam plane horn antenna both can adopt common printed circuit board (PCB) (PCB) technique, and the integrated circuit technologies such as LTCC (LTCC) technique or CMOS, Si substrate also can be adopted to realize.The via hole that wherein metallizes can be hollow metal through hole also can be solid metal hole, and also can be continuous print metallization wall, the shape of metal throuth hole can be circular, also can be square or other shapes.
Structurally, according to same principle, can increase or reduce the quantity of metallization arrays of vias 11, and then change quantity and the size of Quasi-Yagi antenna 4, as long as ensure that dielectric-filled waveguide 17 can transmit main mould.
According to the above, just the present invention can be realized.
Claims (4)
1. thin substrate quasi-yagi difference beam plane horn antenna, is characterized in that this antenna comprises the microstrip feed line (2) be arranged on medium substrate (1), the integrated horn antenna of substrate (3) and multiple Quasi-Yagi antenna (4); First port (5) of described microstrip feed line (2) is the input/output port of this antenna, and second port (6) of microstrip feed line (2) connects with the integrated horn antenna of substrate (3); The integrated horn antenna of substrate (3) to be connected the first metal flat (7) and the second metal flat (8) by the first metal flat (7) being positioned at medium substrate (1) one side, the second metal flat (8) of being positioned at medium substrate (1) another side two rows with through medium substrate (1) via hole trumpet side walls (9) that metallizes forms, width between two rows' metallization via hole trumpet side walls (9) of the integrated horn antenna of substrate (3) becomes large gradually, form one tubaeformly to dehisce, the end of dehiscing is the bore face (10) of the integrated horn antenna of substrate (3); Odd number metallization arrays of vias (11) is had to connect the first metal flat (7) and the second metal flat (8) in the integrated horn antenna of substrate (3), the length of each metallization arrays of vias (11) is the same, the head end (12) of metallization arrays of vias (11) is inner at the integrated horn antenna of substrate (3), and the tail end (13) of metallization arrays of vias (11) is on the bore face (10) of the integrated horn antenna of substrate (3); In metallization arrays of vias (11), there is an intermediate metallization arrays of vias (14) that whole antenna is divided into a symmetrical left side half antenna (15) and right half antenna (16) two parts; Row's metallization via hole trumpet side walls (9) that two adjacent metallization arrays of vias (11) or metallization arrays of vias (11) are adjacent, form dielectric-filled waveguide (17) with the first metal flat (7) and the second metal flat (8), bore face (10) outward each dielectric-filled waveguide (17) be connected to a Quasi-Yagi antenna (4) through the broadband line such as a section;
The thickness of medium substrate (1) lower than 2 percent wavelength;
Each Quasi-Yagi antenna (4) is made up of an active dipole (20), one or several parasitic element (21); Active dipole (20) has the first radiation arm (22) and the second radiation arm (23) respectively on the two sides of medium substrate (1), first radiation arm (22) of active dipole (20) is connected with first metal flat (7) of the integrated horn antenna of substrate (3), second radiation arm (23) of active dipole (20) is connected with second metal flat (8) of the integrated horn antenna of substrate (3), and the first radiation arm (22) and second radiation arm (23) of each active dipole (20) stretch in the opposite direction; Parasitic element (22) is positioned at any one side of medium substrate (1) or two sides can;
The direction of extension of first radiation arm (22) of all active dipoles (20) that left half antenna (15) connects is all identical, and the direction of extension of second radiation arm (23) of all active dipoles (20) that left half antenna (15) connects is all identical; The direction of extension of first radiation arm (22) of all active dipoles (20) that right half antenna (16) connects is all identical, and the direction of extension of second radiation arm (23) of all active dipoles (20) that right half antenna (16) connects is all identical; The direction of extension of first radiation arm (22) of the active dipole (20) that left half antenna (15) connects is identical with the direction of extension of second radiation arm (23) of the active dipole (20) that right half antenna (16) connects, and the direction of extension of second radiation arm (23) of the active dipole (20) that left half antenna (15) connects is identical with the direction of extension of first radiation arm (22) of the active dipole (20) that right half antenna (16) connects.
2. thin substrate quasi-yagi difference beam plane horn antenna according to claim 1, it is characterized in that the conduction band (18) of microstrip feed line (2) connects with the first metal flat (7), the ground plane (19) of microstrip feed line (2) connects with the second metal flat (8).
3. thin substrate quasi-yagi difference beam plane horn antenna according to claim 1, it is characterized in that the width of dielectric-filled waveguide (17) will make electromagnetic wave to propagate and not to be cut off wherein, the length of dielectric-filled waveguide (17) has more than half guide wavelength.
4. thin substrate quasi-yagi difference beam plane horn antenna according to claim 1, it is characterized in that in described metallization via hole trumpet side walls (9) and metallization arrays of vias (11), the spacing of two adjacent metallization via holes is less than or equals 1/10th of operation wavelength, makes the metallization via hole trumpet side walls (9) of formation and metallization arrays of vias (11) can be equivalent to electric wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620854.5A CN103606751B (en) | 2013-11-29 | 2013-11-29 | Thin substrate quasi-yagi difference beam plane horn antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310620854.5A CN103606751B (en) | 2013-11-29 | 2013-11-29 | Thin substrate quasi-yagi difference beam plane horn antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103606751A CN103606751A (en) | 2014-02-26 |
| CN103606751B true CN103606751B (en) | 2015-11-18 |
Family
ID=50124963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310620854.5A Expired - Fee Related CN103606751B (en) | 2013-11-29 | 2013-11-29 | Thin substrate quasi-yagi difference beam plane horn antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103606751B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937316A (en) * | 2006-10-20 | 2007-03-28 | 东南大学 | Single-pulse chip integrated waveguide slot array antenna |
| CN101075702A (en) * | 2007-06-19 | 2007-11-21 | 东南大学 | Printing antenna with baseplate integrated waveguide feeder |
| CN102324627A (en) * | 2011-09-06 | 2012-01-18 | 电子科技大学 | Miniaturization substrate integrated multi-beam antenna |
| CN103022715A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Planar horn antenna for phase calibration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8669834B2 (en) * | 2008-03-18 | 2014-03-11 | Shi Cheng | Substrate integrated waveguide |
-
2013
- 2013-11-29 CN CN201310620854.5A patent/CN103606751B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1937316A (en) * | 2006-10-20 | 2007-03-28 | 东南大学 | Single-pulse chip integrated waveguide slot array antenna |
| CN101075702A (en) * | 2007-06-19 | 2007-11-21 | 东南大学 | Printing antenna with baseplate integrated waveguide feeder |
| CN102324627A (en) * | 2011-09-06 | 2012-01-18 | 电子科技大学 | Miniaturization substrate integrated multi-beam antenna |
| CN103022715A (en) * | 2012-12-21 | 2013-04-03 | 东南大学 | Planar horn antenna for phase calibration |
Non-Patent Citations (1)
| Title |
|---|
| Broadband Millimeter-Wave Quasi-Yagi Antenna Using Substrate Integrated Waveguide Technique;Zhenyu Zhang，Ke Wu;《Radio and Wireless Symposium, 2008 IEEE》;20080124;第671-674页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103606751A (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103594812B (en) | Thin substrate broadband difference-beam planar horn antenna | |
| CN103594807B (en) | Thin substrate amplitude correction broadband difference-beam planar horn antenna | |
| CN103594804B (en) | Thin substrate slot-line planar horn antenna | |
| CN103618145B (en) | The accurate Yagi spark gap planar horn antenna of thin substrate | |
| CN103594816B (en) | Thin substrate phasing slot-line planar horn antenna | |
| CN103606752B (en) | Thin substrate phasing broadband difference-beam planar horn antenna | |
| CN103606750B (en) | The accurate Yagi spark gap planar horn antenna of thin substrate phasing | |
| CN103606754B (en) | Thin substrate phase amplitude corrects accurate Yagi spark gap difference beam planar horn antenna | |
| CN103606746B (en) | Thin substrate broadband planar horn antenna | |
| CN103618143B (en) | Thin substrate oscillator difference beam plane horn antenna | |
| CN103594806B (en) | Thin substrate amplitude correction slot-line planar horn antenna | |
| CN103606751B (en) | Thin substrate quasi-yagi difference beam plane horn antenna | |
| CN103594808B (en) | Thin substrate slot-line difference-beam planar horn antenna | |
| CN103594815B (en) | Thin substrate surface of oscillator horn antenna | |
| CN103594813B (en) | thin substrate amplitude correction quasi-Yagi planar horn antenna | |
| CN103594805B (en) | Thin substrate amplitude correction slot-line difference-beam planar horn antenna | |
| CN103594810B (en) | Thin substrate amplitude correction surface of oscillator horn antenna | |
| CN103594814B (en) | Thin substrate phasing surface of oscillator horn antenna | |
| CN103618146B (en) | Thin substrate phasing broadband planar horn antenna | |
| CN103606749B (en) | The accurate Yagi spark gap difference beam planar horn antenna of thin substrate phasing | |
| CN103618142B (en) | thin substrate amplitude correction quasi-Yagi difference beam planar horn antenna | |
| CN103618144B (en) | Thin substrate phasing oscillator difference-beam planar horn antenna | |
| CN103594811B (en) | Thin substrate amplitude correction oscillator difference-beam planar horn antenna | |
| CN103594818B (en) | Thin substrate phasing slot-line difference-beam planar horn antenna | |
| CN103606753B (en) | Thin substrate phase amplitude corrects oscillator difference-beam planar horn antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20151118 Termination date: 20181129 |