CN104852134B - Printed antenna, preparation method and mobile communication terminal device - Google Patents
Printed antenna, preparation method and mobile communication terminal device Download PDFInfo
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- CN104852134B CN104852134B CN201510194352.XA CN201510194352A CN104852134B CN 104852134 B CN104852134 B CN 104852134B CN 201510194352 A CN201510194352 A CN 201510194352A CN 104852134 B CN104852134 B CN 104852134B
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- 238000010295 mobile communication Methods 0.000 title claims abstract description 13
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000004020 conductor Substances 0.000 claims abstract description 36
- 239000011159 matrix material Substances 0.000 claims abstract description 33
- 239000002002 slurry Substances 0.000 claims description 24
- 239000010985 leather Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 description 4
- 229910052709 silver Inorganic materials 0.000 description 4
- 239000004332 silver Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- QYMFNZIUDRQRSA-UHFFFAOYSA-N dimethyl butanedioate;dimethyl hexanedioate;dimethyl pentanedioate Chemical compound COC(=O)CCC(=O)OC.COC(=O)CCCC(=O)OC.COC(=O)CCCCC(=O)OC QYMFNZIUDRQRSA-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
Abstract
The present invention relates to a kind of printed antenna, preparation method and mobile communication terminal devices.A kind of printed antenna, including：There is first surface and the second surface opposite with the first surface, described matrix to offer through-hole for matrix, described matrix, and the through-hole runs through the first surface and the second surface；Electric conductor is filled in the through-hole, and the electric conductor has first end face and second end face opposite with the first end face；Antenna radiator is printed in the first surface of described matrix and at least partly described first end face of covering；And antenna feed point, it is printed in the second surface of described matrix and at least partly described second end face of covering.Above-mentioned printed antenna performance is stablized.
Description
Technical field
The present invention relates to a kind of printed antenna, preparation method and use the mobile communication terminal device of the printed antenna.
Background technology
In recent years, Mobile Phone Consumption person increasingly tends to Cell Phone Design demand thin with thickness, light-weight, while harsh setting
Meter requires also to bring difficulty to antenna making, and traditional flexible PCB (FPC) technique cannot meet setting for 3D curve antennas
Meter requires, and thickness also violates the thin design requirement of casing thickness, and laser direct forming (LDS) is although technique can meet 3D
Curve antenna and the thin requirement of thickness, but change plating liquid medicine has corrosion reaction to metal edge frame (magnesium alloy, aluminium alloy etc.), limits
The realizations of LDS techniques.Printed antenna can meet 3D curved surfaces and thickness requirement, need not change plating, will not be to metal edge frame
It impacts, to be widely used in the mobile communication terminal devices such as mobile phone, tablet computer, wearable device field.
Existing printed antenna distinguishes printed antenna radiator and antenna on two surfaces of the mobile phone shell for offering through-hole
Feed point, later in the inner wall of through-hole printing conductive silver paste to connect antenna radiator and antenna feed point.However, this
Printed antenna is connected between the conductive silver paste and antenna radiator and antenna feed point of through-hole wall by way of point or line,
It is be easy to cause poor contact, it is unstable so as to cause printed antenna performance.
Invention content
Based on this, it is necessary to provide a kind of printed antenna that performance is stablized.
A kind of printed antenna, including：
There is first surface and the second surface opposite with the first surface, described matrix to open up for matrix, described matrix
There are through-hole, the through-hole to run through the first surface and the second surface；
Electric conductor is filled in the through-hole, and the electric conductor has first end face and opposite with the first end face
Second end face；
Antenna radiator is printed in the first surface of described matrix and at least partly described first end face of covering；And
Antenna feed point is printed in the second surface of described matrix and at least partly described second end face of covering.
The first end face is concordant with the first surface in one of the embodiments, the second end face with it is described
Second surface is concordant.
The through-hole is bellmouth in one of the embodiments,.
The angle of the bellmouth is more than 60 ° in one of the embodiments, a diameter of 0.4mm of the small end of bellmouth
~1.0mm.
The antenna radiator covers the first end face in one of the embodiments,；The antenna feed point covers institute
State second end face.
A kind of preparation method of printed antenna, includes the following steps：
Matrix is provided, described matrix has first surface and the second surface opposite with the first surface, described matrix
Through-hole is offered, the through-hole runs through the first surface and the second surface；
Electrocondution slurry is injected in the through-hole；
Prebake conditions are carried out to the electrocondution slurry, until the electrocondution slurry is in leather hard and obtains electric conductor, it is described
Electric conductor has first end face and second end face opposite with the first end face；
Respectively in the first surface and the second surface printed antenna radiator and antenna feed point, the aerial radiation
Body covers at least partly described first end face, at least partly described second end face of the antenna feed point；And
Baking is carried out to the electric conductor until electrocondution slurry is fully cured.
The temperature of the prebake conditions is 80 DEG C~150 DEG C in one of the embodiments, and the time of the prebake conditions is 10
Minute~30 minutes.
The temperature of the baking is 80 DEG C~150 DEG C in one of the embodiments, and the time of the baking is 60 minutes
~90 minutes.
The through-hole is bellmouth in one of the embodiments,.
A kind of mobile communication terminal device, including：
Mainboard；
Above-mentioned printed antenna；And
Shell foot is contacted, while being electrically connected with the mainboard and the printed antenna.
Above-mentioned printed antenna, preparation method and mobile communication terminal device have the in through-holes by the way that filling is arranged
The electric conductor of end face and second end face, antenna radiator cover at least partly described first end face, and antenna feed point covers at least
The part second end face so that the connection of antenna feed point and antenna radiator and electric conductor connects for face, to contact area
It is larger, poor contact is not easily caused, to the high stability of printed antenna.
Description of the drawings
Fig. 1 is the structural schematic diagram of the mobile communication terminal device of an embodiment of the present invention.
Specific implementation mode
To facilitate the understanding of the present invention, below with reference to relevant drawings to invention is more fully described.In attached drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.Keep the understanding to the disclosure more saturating on the contrary, purpose of providing these embodiments is
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article and belong to the technical field of the present invention
The normally understood meaning of technical staff is identical.Used term is intended merely to description tool in the description of the invention herein
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the Listed Items of pass.
Referring to Fig. 1, the mobile communication terminal device 100 of an embodiment includes printed antenna 110, mainboard 150 and connects
Touch shell foot 170.Printed antenna 110 and mainboard 150 are electrically connected by contacting shell foot 170.
Printed antenna 110 includes matrix 112, electric conductor 114, antenna radiator 116 and antenna feed point 118.
The substantially plate of matrix 112.Matrix 112 has first surface 1121 and second table opposite with first surface 1121
Face 1123.Matrix 112 can be the shell of mobile communication terminal device 100, or special supporter.Specifically illustrating
Embodiment in, first surface 1121 and second surface 1123 are plane, certainly, in other embodiments, the first table
Face 1121 and second surface 1123 can also be curved surface.
Matrix 112 offers through-hole 1125.Through-hole 1125 runs through first surface 1121 and second surface 1123, and vertical the
One surface 1121 extends.In the illustrated embodiment, through-hole 1125 is bellmouth, certainly in other embodiments, through-hole
1125 can also be the hole of the other shapes such as stepped hole, as long as electrocondution slurry can be filled.Preferably, the angle [alpha] of bellmouth
More than 60 °, the diameter D of small end is 0.4mm~1.0mm.Further, the depth of through-hole 1125 is 0.5mm~3mm.It needs
Bright, the quantity of through-hole 1125 is not limited to one, or two or more.
Electric conductor 114 is filled in through-hole 1125.The shape of electric conductor 114 is adapted to the shape item of through-hole 1125, to
Through-hole 1125 can be filled up completely and so that the inner wall of the outer wall and through-hole 1125 of electric conductor 114 fits closely.Electric conductor 114 is
Circular platform type, electric conductor have first end face 1141 and the second end face 1143 opposite with first end face 1141.Specifically in diagram
In embodiment, first end face 1141 is concordant with first surface 1121, and second end face 1143 is concordant with second surface 1123.
Electric conductor 114 is cured by electrocondution slurry, and electrocondution slurry is in terms of mass percentage including 70%~80%
Silver, 5%~10% polyester binder, 8%~15% dibasic ester, 5%~12% cyclohexanone and 0~3% other materials
Material.Silver is silver powder.Other materials is auxiliary agent commonly used in the trade.It should be noted that the composition of electrocondution slurry is without being limited thereto, in the industry
Other common electrocondution slurries can be with.
Antenna radiator 116 is printed in first surface 1121.Specifically in the illustrated embodiment, antenna radiator 116
First end face 1141 is covered, and the area of antenna radiator 116 is more than the area of first end face 1141.Certainly, in other implementations
In mode, antenna radiator 116 can also only covering part first end face 1141, as long as antenna radiator 116 can be made and led
Electric body 114 reaches face connection.Preferably, the thickness of antenna radiator 116 is 0.010mm~0.025mm.
Antenna feed point 118 is printed in second surface 1123.Specifically in the illustrated embodiment, antenna feed point 118 covers
Second end face 1143, and the area of antenna feed point 118 is more than the area of second end face 1143.Certainly, in other embodiments,
Antenna feed point 1186 can also only covering part second end face 1143, as long as antenna feed point 118 can be made to reach with electric conductor 114
Face connects.Preferably, the thickness of antenna feed point 118 is 0.010mm~0.025mm.
Preferably, antenna radiator 116 and the material of antenna feed point 118 are identical as electric conductor 114.
Mainboard 150 is arranged with the interval of matrix 112.Specifically in the present embodiment, the position of mainboard 150 and antenna feed point 118
It sets and is generally corresponding to.
It is generally U-shaped to contact shell foot 170.One support arm of contact shell foot 170 is fixed on mainboard 150 close to matrix 112
Side, and be electrically connected with mainboard 150.Another support arm of contact shell foot 170 flexibly supports antenna feed point 118, thus and antenna
Feed point 118 is electrically connected.
Above-mentioned mobile communication terminal device 100, being filled in through-hole 1125 by setting has first end face 1141 and the
The electric conductor 114 of biend 1143, the covering of antenna radiator 116 at least partly first end face 1141, antenna feed point 118 cover extremely
Small part second end face 1143 so that antenna feed point 116 and antenna radiator 118 and the connection of electric conductor 114 connect for face, from
And contact area is larger, does not easily cause poor contact, to the high stability of printed antenna.
The preparation method of the printed antenna of one embodiment, includes the following steps：
Step S210, matrix 112 is provided.
The substantially plate of matrix 112.Matrix 112 has first surface 1121 and second table opposite with first surface 1121
Face 1123.Matrix 112 can be the shell of mobile communication terminal device 100, or special supporter.Specifically illustrating
Embodiment in, first surface 1121 and second surface 1123 are plane, certainly, in other embodiments, the first table
Face 1121 and second surface 1123 can also be curved surface.
Matrix 112 offers through-hole 1125.Through-hole 1125 runs through first surface 1121 and second surface 1123, and vertical the
One surface 1121 extends.In the illustrated embodiment, through-hole 1125 is bellmouth, certainly in other embodiments, through-hole
1125 can also be the hole of the other shapes such as stepped hole, as long as electrocondution slurry can be filled.Preferably, the angle of bellmouth is big
In 60 °, a diameter of 0.4mm~1.0mm of small end.Further, the depth of through-hole 1125 is 0.5mm~3mm.It needs to illustrate
It is that the quantity of through-hole 1125 is not limited to one, or two or more.
Step S220, electrocondution slurry is injected in through-hole 1125.
Electrocondution slurry in terms of mass percentage including 70%~80% silver, 5%~10% polyester binder, 8%
~15% dibasic ester, 5%~12% cyclohexanone and 0~3% other materials.Silver is silver powder.Other materials is normal in the industry
Auxiliary agent.It should be noted that the composition of electrocondution slurry is without being limited thereto, other electrocondution slurries commonly used in the trade can be with.
Preferably, electrocondution slurry is injected in through-hole 1125 using mode for dispensing glue.Further, dispensing use is by air pressure
Directly act on the automation dispensing equipment that evacuated interior generates pressure.It is furthermore preferred that the air pressure of spot gluing equipment is can to adjust
's.
Specifically in the present embodiment, when dispensing, the aperture of bellmouth is downward, it is ensured that electrocondution slurry does not leak outside.
Step S230, prebake conditions are carried out to electrocondution slurry, until electrocondution slurry is in leather hard and obtains electric conductor 114.
Electric conductor 114 is filled in through-hole 1125.The shape of electric conductor 114 is adapted to the shape item of through-hole 1125, and complete
Full packing through-hole 1125 and the inner wall of outer wall and through-hole 1125 of electric conductor 114 is fitted closely.Electric conductor 114 is round platform
Type, electric conductor have first end face 1141 and the second end face 1143 opposite with first end face 1141.Specifically in the implementation of diagram
In mode, first end face 1141 is concordant with first surface 1121, and second end face 1143 is concordant with second surface 1123.
The temperature of prebake conditions is 80 DEG C~150 DEG C, and the time of prebake conditions is 10 minutes~30 minutes.
Step S240, respectively in first surface 1121 and 1123 printed antenna radiator of the second surface and antenna feed
Point.
Antenna radiator 116 is printed in first surface 1121.Specifically in the illustrated embodiment, antenna radiator 116
First end face 1141 is covered, and the area of antenna radiator 116 is more than the area of first end face 1141.Certainly, in other implementations
In mode, antenna radiator 116 can also only covering part first end face 1141, as long as antenna radiator 116 can be made and led
Electric body 114 reaches face connection.Preferably, the thickness of antenna radiator 116 is 0.010mm~0.025mm.
Antenna feed point 118 is printed in second surface 1123.Specifically in the illustrated embodiment, antenna feed point 118 covers
Second end face 1143, and the area of antenna feed point 118 is more than the area of second end face 1143.Certainly, in other embodiments,
Antenna feed point 1186 can also only covering part second end face 1143, as long as antenna feed point 118 can be made to reach with electric conductor 114
Face connects.Preferably, the thickness of antenna feed point 118 is 0.010mm~0.025mm.
Preferably, antenna radiator 116 and the material of antenna feed point 118 are identical as electric conductor 114.
Step S250, baking is carried out to electric conductor until electrocondution slurry is fully cured to obtain printed antenna.
Preferably, the temperature of baking is 80 DEG C~150 DEG C, and the time of baking is 60 minutes~90 minutes.
Step S260, printed antenna is detected.
Specifically in the present embodiment, the resistance of antenna radiator and antenna feed point is detected, resistance is necessarily less than
2.5 ohm.
The preparation method of above-mentioned printed antenna, printed antenna radiator and antenna feed in the state that electrocondution slurry is half-dried
Point is baked to is fully cured later again so that the combination between antenna feed point and antenna radiator and electric conductor is preferable, can keep away
Exempt from slight crack occur, more stablizes to the performance of printed antenna.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (3)
1. a kind of printed antenna, which is characterized in that including：
There is first surface and the second surface opposite with the first surface, described matrix to offer logical for matrix, described matrix
Hole, the through-hole run through the first surface and the second surface；
Electric conductor is filled in the through-hole, and the electric conductor has first end face and opposite with the first end face second
End face；
Antenna radiator is printed in the first surface of described matrix；And
Antenna feed point is printed in the second surface of described matrix；
The first end face is concordant with the first surface, and the second end face is concordant with the second surface；
The electric conductor is circular platform type；
The through-hole is bellmouth；
The angle of the bellmouth is more than 60 °, a diameter of 0.4mm~1.0mm of the small end of bellmouth；
The antenna radiator covers the first end face；The antenna feed point covers the second end face；
The thickness of the antenna radiator is 0.010mm~0.025mm；
The thickness of the antenna feed point is 0.010mm~0.025mm.
2. a kind of preparation method of printed antenna, which is characterized in that include the following steps：
Matrix is provided, there is described matrix first surface and the second surface opposite with the first surface, described matrix to open up
There are through-hole, the through-hole to run through the first surface and the second surface；
Electrocondution slurry is injected in the through-hole；
Prebake conditions are carried out to the electrocondution slurry, until the electrocondution slurry is in leather hard and obtains electric conductor, the conduction
Body has first end face and second end face opposite with the first end face, and the first end face is concordant with the first surface,
The second end face is concordant with the second surface, and the electric conductor is circular platform type；
Respectively in the first surface and the second surface printed antenna radiator and antenna feed point；And
Baking is carried out to the electric conductor until electrocondution slurry is fully cured；
The through-hole is bellmouth；
The angle of the bellmouth is more than 60 °, a diameter of 0.4mm~1.0mm of the small end of bellmouth；
The antenna radiator covers the first end face；The antenna feed point covers the second end face；
The thickness of the antenna radiator is 0.010mm~0.025mm；
The thickness of the antenna feed point is 0.010mm~0.025mm；
The temperature of the prebake conditions is 80 DEG C~150 DEG C, and the time of the prebake conditions is 10 minutes~30 minutes；
The temperature of the baking is 80 DEG C~150 DEG C, and the time of the baking is 60 minutes~90 minutes；
The through-hole is bellmouth.
3. a kind of mobile communication terminal device, which is characterized in that including：
Mainboard；
Printed antenna described in claim 1；And
Shell foot is contacted, while being electrically connected with the mainboard and the printed antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194352.XA CN104852134B (en) | 2015-04-22 | 2015-04-22 | Printed antenna, preparation method and mobile communication terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194352.XA CN104852134B (en) | 2015-04-22 | 2015-04-22 | Printed antenna, preparation method and mobile communication terminal device |
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| CN104852134A CN104852134A (en) | 2015-08-19 |
| CN104852134B true CN104852134B (en) | 2018-10-09 |
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| CN201510194352.XA Active CN104852134B (en) | 2015-04-22 | 2015-04-22 | Printed antenna, preparation method and mobile communication terminal device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105244602A (en) * | 2015-11-06 | 2016-01-13 | 传为科技（天津）有限公司 | Novel antenna structure suitable for wearable equipment, and technology thereof |
| CN107770992B (en) * | 2017-10-18 | 2019-12-06 | 维沃移动通信有限公司 | Metal rear cover machining method, metal rear cover and mobile terminal |
| WO2019196028A1 (en) * | 2018-04-11 | 2019-10-17 | 深圳市可信华成通信科技有限公司 | Ceramic antenna manufacturing method, ceramic antenna, and ceramic back cover |
| CN108598670B (en) * | 2018-04-26 | 2021-01-08 | 维沃移动通信有限公司 | Antenna, terminal equipment and manufacturing method of antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009065565A (en) * | 2007-09-07 | 2009-03-26 | Nippon Tungsten Co Ltd | Antenna |
| TW201114102A (en) * | 2009-10-09 | 2011-04-16 | Htc Corp | Handheld device and disposition method of planar antenna |
| CN202907365U (en) * | 2012-09-24 | 2013-04-24 | 比亚迪精密制造有限公司 | A housing of a portable device and the portable device |
| CN103208677A (en) * | 2013-03-30 | 2013-07-17 | 东莞劲胜精密组件股份有限公司 | Printing antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7444734B2 (en) * | 2003-12-09 | 2008-11-04 | International Business Machines Corporation | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate |
| CN201623261U (en) * | 2010-01-14 | 2010-11-03 | 华新科技股份有限公司 | Capacitance coupling type antenna device |
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2015
- 2015-04-22 CN CN201510194352.XA patent/CN104852134B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009065565A (en) * | 2007-09-07 | 2009-03-26 | Nippon Tungsten Co Ltd | Antenna |
| TW201114102A (en) * | 2009-10-09 | 2011-04-16 | Htc Corp | Handheld device and disposition method of planar antenna |
| CN202907365U (en) * | 2012-09-24 | 2013-04-24 | 比亚迪精密制造有限公司 | A housing of a portable device and the portable device |
| CN103208677A (en) * | 2013-03-30 | 2013-07-17 | 东莞劲胜精密组件股份有限公司 | Printing antenna |
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Address after: 523878 Changan Town, Dongguan, Guangdong Province, upper corner Village Applicant after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Applicant after: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. Address before: 523878 Changan City, Guangdong Province town on the corner management area Applicant before: JANUS ( DONGGUAN ) PRECISION COMPONENTS Co.,Ltd. Applicant before: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. |
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Effective date of registration: 20171201 Address after: 523878 Changan Town, Dongguan, Guangdong Province, upper corner Village Applicant after: Guangdong Jinsheng Intelligent Group Co.,Ltd. Address before: 523878 Changan Town, Dongguan, Guangdong Province, upper corner Village Applicant before: Guangdong Jinsheng Intelligent Group Co.,Ltd. Applicant before: DONGGUAN WEIREN ELECTRONIC Co.,Ltd. |
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Effective date of registration: 20201224 Address after: 215300 no.1689-5 Zizhu Road, Yushan Town, Suzhou City, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Address before: 523878 corner village, Changan Town, Dongguan, Guangdong Patentee before: Guangdong Jinsheng Intelligent Group Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215300 Room 009, No. 55, Shengchuang Road, Yushan Town, Kunshan, Suzhou, Jiangsu Province Patentee after: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Guo jiahuodiqu after: Zhong Guo Address before: 215300 no.1689-5 Zizhu Road, Yushan Town, Suzhou City, Jiangsu Province Patentee before: KUNSHAN RUIXIANG XUNTONG COMMUNICATION TECHNOLOGY Co.,Ltd. Guo jiahuodiqu before: Zhong Guo |