CN107020813B - Liquid droplet ejection apparatus and inkjet-printing device - Google Patents
Liquid droplet ejection apparatus and inkjet-printing device Download PDFInfo
- Publication number
- CN107020813B CN107020813B CN201610923543.XA CN201610923543A CN107020813B CN 107020813 B CN107020813 B CN 107020813B CN 201610923543 A CN201610923543 A CN 201610923543A CN 107020813 B CN107020813 B CN 107020813B
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- China
- Prior art keywords
- liquid
- circulation slot
- slot
- circulation
- nozzle
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14201—Structure of print heads with piezoelectric elements
Landscapes
- Ink Jet (AREA)
Abstract
The present invention proposes that a kind of liquid droplet ejection apparatus includes nozzle plate, and the nozzle that multiple nozzles are arranged by defined array is arranged on it；Liquid chamber is arranged for each former nozzle, and the surface of former nozzle is arranged；Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop and spray from former nozzle；It is characterized in that, further including the liquid circulation slot for being directed to each aforementioned liquid chamber and being arranged on the nozzle plate, the liquid circulation slot includes the first circulation slot and second circulation slot for being separately positioned on nozzle two sides.
Description
Technical field
The present invention relates to inkjet printing field, in particulars relate to a kind of liquid droplet ejection apparatus of carrying liqs circulatory function and make
With the inkjet-printing device of the liquid droplet ejection apparatus.
Background technique
Inkjet printing technology, which refers to, is ejected into ink droplet on print media to form print image or text by ink gun
Technology.Very high to the ink ejecting state requirement of ink gun in industrial inkjet printing, cannot have has nozzle in print procedure
The case where missing.The nozzle deletion condition of ink gun is usually to occur in following situation, first is that occurring bubble in nozzle, second is that having
Precipitating blocking spray orifice.And the trend of the structural development of ink gun is that the higher the better for integrated level, the compacter volume the better, thus leads
Cause the extraction of the coordination electrode of each nozzle increasingly by volume, the limitation of size.Import and electrode due to ink
Pad will be arranged on the same pinboard, lead to size-constrained system, it is impossible to be used for high-resolution ink gun.
Summary of the invention
In view of the problems of the existing technology, it is an object of the invention to propose a kind of carrying liqs circulatory function, size compared with
Small, the higher liquid droplet ejection apparatus of resolution ratio.
To achieve the above object, multiple nozzles are arranged by rule in liquid droplet ejection apparatus nozzle plate proposed by the present invention on it
The nozzle of fixed array setting；Liquid chamber is arranged for each former nozzle, and the surface of former nozzle is arranged；Pressure
Generating element is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop and spray from former nozzle；
It is characterized in that, further including the liquid circulation slot for being directed to each aforementioned liquid chamber and being arranged on the nozzle plate, the liquid circulation slot
First circulation slot and second circulation slot including being separately positioned on nozzle two sides.
It further include a pinboard in above-mentioned liquid droplet ejection apparatus, the surface of liquid chamber is arranged in pinboard, for that will press
The electrode of electric generating element, which amplifies, draws.
In above-mentioned liquid droplet ejection apparatus, the central axis of the central axis of the first circulation slot and the second circulation slot exists
In same horizontal line.
In above-mentioned liquid droplet ejection apparatus, vertically, the second circulation slot is arranged in the first circulation slot
Upper end.
In above-mentioned liquid droplet ejection apparatus, vertically, the second circulation slot is arranged in the first circulation slot
Lower end.
In above-mentioned liquid droplet ejection apparatus, the quantity of the first circulation slot is less than the quantity of the second circulation slot.
In above-mentioned liquid droplet ejection apparatus, the area of the cross section of the first circulation slot is greater than the second circulation slot
The area of cross section.
In above-mentioned liquid droplet ejection apparatus, the cross of the shape of the cross section of the first circulation slot and the second circulation slot
The shape in section is identical, and the shape of the cross section of the first circulation slot is rectangle, square or one of trapezoidal.
In above-mentioned liquid droplet ejection apparatus, liquid enters after the import main body of liquid injection apparatus through first circulation slot
Liquid chamber, then flows to the outlet of liquid injection apparatus by second circulation slot, and liquid is in components of stres when inkjet printing
It is sprayed under effect from nozzle.
Another object of the present invention is to propose a kind of inkjet-printing device, which is characterized in that spray including above-mentioned drop
Injection device.
The present invention has the following technical effect that compared with the existing technology
1, it by increasing liquid circulation slot on the nozzle plate, is followed so that liquid flows to be formed in liquid droplet ejection apparatus
Ring ink supply reduces bubble and collects in spray slot, take away particle big in liquid, keeps the unimpeded of spray conduit.
2, the driving electrodes of nozzle are drawn by increasing pinboard, can satisfy high-resolution cloth using electrode arrangements
Linear dimension reduces liquid droplet ejection apparatus in the size in nozzle arrangement direction.
3, making the cost of the manufacturing of high-precision ink gun reduces, and the difficulty for processing installation reduces, and qualification rate is substantially
It improves.
Detailed description of the invention
Fig. 1 is the schematic perspective view of liquid droplet ejection apparatus in a specific embodiment of the invention；
Fig. 2 is the schematic cross-sectional view of the liquid droplet ejection apparatus in the first specific embodiment of the invention；
Fig. 3 is the schematic cross-sectional view of the liquid droplet ejection apparatus in the second specific embodiment of the invention；
Fig. 4 is the schematic cross-sectional view of the liquid droplet ejection apparatus in third specific embodiment of the present invention；
Fig. 5 is the schematic cross-sectional view of the liquid droplet ejection apparatus in the 4th specific embodiment of the invention；
Fig. 6 is the schematic cross-sectional view of the liquid droplet ejection apparatus in the 5th specific embodiment of the invention；.
Specific embodiment
Liquid injection apparatus proposed by the present invention is described further with reference to the accompanying drawings and examples.Following embodiment
It is merely to illustrate the present invention, but is not intended to limit the scope of the invention.
As depicted in figs. 1 and 2, the liquid droplet ejection apparatus of the embodiment of the present invention includes multiple nozzles 111, by defined array
Setting；Liquid chamber 01, including the first wall 15 and the second wall 16 are arranged for each former nozzle, and former nozzle 111 are arranged
Surface；Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop the past
It states in nozzle and sprays, components of stres setting (does not regard out) on the first wall 15 and the second wall 16 in figure；Pinboard 14 is arranged
In the surface of liquid chamber 01, for the driving electrodes of components of stres to be drawn；It states and is arranged on nozzle plate 11 in each of front
Liquid circulation slot, liquid circulation slot includes the first circulation slot 121 being arranged on the first side 12 of nozzle 111, in nozzle 111
The second circulation slot 131 being arranged in second side 13, first circulation slot 121 are connect with second circulation slot 131 by liquid chamber 01；And the
The central axis of the central axis of one circulating slot 121 and second circulation slot 131 in the same horizontal line, first circulation slot 121 and liquid
The import 2 of injection apparatus connects, and second circulation slot 131 is connect with the outlet 3 of liquid injection apparatus.Liquid enters when inkjet printing
The import 2 of liquid injection apparatus 1 from first circulation slot 121 through entering, then by flowing after liquid chamber 01 from second circulation slot 131
To the outlet of liquid injection apparatus 3, sprayed under the action of components of stres from the nozzle 111 on nozzle plate 11.The present invention
The connecting terminal of the import in liquid flow ink feed road and electrode is separated, the integrated level of array nozzle is improved.Pinboard is only responsible for
Contact conductor arrangement, ink can reduce liquid injection apparatus in the size of nozzle direction from the two sides ink supply of liquid chamber；Liquid simultaneously
Body circulation slot makes liquid flow to form cyclic ink supply in liquid droplet ejection apparatus, reduces bubble and collects in spray slot, band
Particle big in liquid is walked, the unimpeded of spray conduit is kept.
The shape of the cross section of the shape and second circulation slot 131 of the cross section of first circulation slot 121 in the present embodiment
It is identical, and the area d2 of the cross section of first circulation slot 121 is greater than the area d1 of the cross section of second circulation slot 131.First follows
The shape of the cross section of annular groove 121 and second circulation slot 131 is rectangle, square or one of trapezoidal.
As depicted in figs. 1 and 2, liquid droplet ejection apparatus of the invention includes multiple nozzles 211, is arranged by defined array；
Liquid chamber 02, including the first wall 22 and the second wall 23 are arranged for each former nozzle, and former nozzle 211 are arranged just
Top；Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
It is sprayed in mouth；Components of stres setting (does not regard out) on the first wall 25 and the second wall 26 in figure；Pinboard 24 is arranged in liquid
The surface of room 01, for drawing the driving electrodes of components of stres；The liquid being arranged on nozzle plate 21 is stated in each of front
Circulating slot, liquid circulation slot includes the first circulation slot 221 being arranged on the first side 22 of nozzle 211, the second of nozzle 211
The second circulation slot 231 being arranged on side 23, first circulation slot 221 are connect with second circulation slot 231 by liquid chamber 02；And along vertical
Direction, the central axis of first circulation slot 221 is in the surface of the central axis of second circulation slot 231, first circulation slot 221 and second
Circulating slot 231 is connected by liquid chamber 02, and first circulation slot 221 is connect with the import 2 of liquid injection apparatus, second circulation slot 231
It is connect with the outlet 3 of liquid injection apparatus.The import 2 that liquid enters liquid injection apparatus 1 when inkjet printing is passed through from first circulation
Slot 221 enters, and then by flowing to the outlet 3 of liquid injection apparatus after liquid chamber 02 from second circulation slot 231, generates in pressure
It is sprayed under the action of element from the nozzle 211 on nozzle plate 21.
The shape of the cross section of the shape and second circulation slot 231 of the cross section of first circulation slot 221 in the present embodiment
It is identical, and the area of the cross section of first circulation slot 221 is greater than the area of the cross section of second circulation slot 231.First circulation slot
221 and the shape of cross section of second circulation 231 be rectangle, square or one of trapezoidal.
As shown in figures 1 and 3, liquid droplet ejection apparatus of the invention includes multiple nozzles 311, is arranged by defined array；
Liquid chamber 03, including the first wall 32 and the second wall 33 are arranged for each former nozzle, and former nozzle 311 are arranged just
Top；Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
It is sprayed in mouth, components of stres setting (does not regard out) on the first wall 35 and the second wall 36 in figure；Pinboard 34 is arranged in liquid
The surface of room 01, for drawing the driving electrodes of components of stres；The liquid being arranged on nozzle plate 31 is stated in each of front
Circulating slot, liquid circulation slot includes the first circulation slot 321 being arranged on the first side 32 of nozzle 311, the second of nozzle 311
The second circulation slot 331 being arranged on side 33, first circulation slot 321 are connect with second circulation slot 331 by liquid chamber 03；And along vertical
Direction, the central axis of first circulation slot 321 is in the underface of the central axis of second circulation slot 331, first circulation slot 321 and second
Circulating slot 331 is connected by liquid chamber 03, and first circulation slot 321 is connect with the import 2 of liquid injection apparatus, second circulation slot 331
It is connect with the outlet 3 of liquid injection apparatus.The import 2 that liquid enters liquid injection apparatus 1 when inkjet printing is passed through from first circulation
Slot 321 enters, and then by flowing to the outlet 3 of liquid injection apparatus after liquid chamber 03 from second circulation slot 331, generates in pressure
It is sprayed under the action of element from the nozzle 311 on nozzle plate 31.
The shape of the cross section of the shape and second circulation slot 331 of the cross section of first circulation slot 321 in the present embodiment
It is identical, and the area of the cross section of first circulation slot 321 is greater than the area of the cross section of second circulation slot 331.First circulation slot
321 and the shape of cross section of second circulation 331 be rectangle, square or one of trapezoidal.
As shown in Figure 1 and Figure 4, liquid droplet ejection apparatus of the invention includes multiple nozzles 411, is arranged by defined array；
Liquid chamber 04, including the first wall 42 and the second wall 43 are arranged for each former nozzle, and former nozzle 411 are arranged just
Top；Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
It is sprayed in mouth, components of stres setting (does not regard out) on the first wall 45 and the second wall 46 in figure；Pinboard 44 is arranged in liquid
The surface of room 01, for drawing the driving electrodes of components of stres；The liquid being arranged on nozzle plate 41 is stated in each of front
Circulating slot, liquid circulation slot includes the first circulation slot 421 being arranged on the first side 42 of nozzle 411, the second of nozzle 411
The second circulation slot 431 and third circulating slot 432 being arranged on side 43；First circulation slot 421 and second circulation slot 431 pass through liquid chamber
04 connection, first circulation slot 421 are connect with second circulation slot 432 by liquid chamber 04, first circulation slot 421 and liquid injection apparatus
Import 2 connect, second circulation slot 431 and third circulating slot 432 are connect with the outlet 3 of liquid injection apparatus.When inkjet printing
Liquid enters the import 2 of liquid injection apparatus 1 through entering from first circulation slot 421, then by following after liquid chamber 01 from second
Annular groove 431 flows to the outlet 3 of liquid injection apparatus, sprays under the action of components of stres from the nozzle 411 on nozzle plate 41
Out.
The shape of the cross section of the shape and second circulation slot 431 of the cross section of first circulation slot 421 in the present embodiment
It is identical, and the area of the cross section of first circulation slot 421 is greater than the area of the cross section of second circulation slot 431.First circulation slot
421 and the shape of cross section of second circulation slot 431 be rectangle, square or one of trapezoidal.
As shown in Figure 1 and Figure 5, liquid droplet ejection apparatus of the invention includes multiple nozzles 511, is arranged by defined array；
Liquid chamber 05, including the first wall 52 and the second wall 53 are arranged for each former nozzle, and former nozzle 511 are arranged just
Top；Components of stres 54 is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop from aforementioned
It is sprayed in nozzle, states the liquid circulation slot being arranged on nozzle plate 51 in each of front, liquid circulation slot includes the first of nozzle 511
First circulation slot 521 and second circulation slot 522 disposed in parallel, disposed in parallel in second side 53 of nozzle 511 on side 52
Third circulating slot 533 and the 4th circulating slot 534；And vertically.The center of first circulation slot 521 and second circulation slot 522
Axis can be in the underface or underface of third circulating slot 533 and the central axis of the 4th circulating slot 534, or can also be in two
Mandrel in the same horizontal line, first circulation slot 521 and second circulation slot 55 and third circulating slot 533 and the 4th circulating slot 534
Between connected by liquid chamber 05, first circulation slot 521 and second circulation slot 522 are connect with the import 2 of liquid injection apparatus, third
Circulating slot 533 and the 4th circulating slot 534 are connect with the outlet 3 of liquid injection apparatus.Liquid enters liquid injection when inkjet printing
The import 2 of device 1 from first circulation slot 521 through entering, then by flowing to liquid spray from second circulation slot 531 after liquid chamber 05
The outlet 3 of injection device sprays under the action of components of stres from the nozzle 511 on nozzle plate 51.In the present embodiment
The shape and third circulating slot 533 of the cross section of one circulating slot 521 and second circulation slot 522 and the 4th circulating slot 534 it is transversal
The shape in face is identical.And the sum of area of cross section of first circulation slot 521 and second circulation slot 532 is greater than third circulating slot
533 and the 4th circulating slot 534 the sum of the area of cross section.First circulation slot 521, second circulation slot 522, third circulating slot
531, the shape of the cross section of the 4th circulating slot 534 is rectangle, square or one of trapezoidal.First circulation slot 521 with
The cross-sectional area of second circulation slot 522 can be equal or differs, and third circulating slot 523 is transversal with the 4th circulating slot 524
Area can be equal or differs.
Mode used above is merely to illustrate the present invention, and is not the limitation to invention, the common skill in relation to technical field
Art personnel can also make a variety of changes and modification without departing from the spirit and scope of the present invention, therefore all etc.
Same technical solution also belongs to protection category of the invention.
Claims (8)
1. a kind of liquid droplet ejection apparatus, comprising:
Nozzle plate is provided with multiple nozzles by defined array on it；
Liquid chamber is arranged for each former nozzle, and is set to the surface of former nozzle；
Components of stres is arranged for each aforementioned liquid chamber, makes the indoor liquid of aforementioned liquid as drop from aforementioned spray
It is sprayed in mouth；
It is characterized in that, further including the liquid circulation slot for being directed to each aforementioned liquid chamber and being arranged on the nozzle plate, the liquid is followed
Annular groove includes the first circulation slot and second circulation slot for being separately positioned on nozzle two sides；It further include a pinboard, pinboard setting
In the surface of liquid chamber, drawn for amplifying the electrode of components of stres；The first circulation slot and the second circulation
Slot contraposition or dislocation arrangement；
When inkjet printing, liquid enters after the import of liquid injection apparatus main body and enters liquid chamber through first circulation slot, then leads to
Cross the outlet that second circulation slot flows to liquid injection apparatus, liquid is under the action of components of stres from nozzle when inkjet printing
It sprays.
2. liquid droplet ejection apparatus as described in claim 1, which is characterized in that the central axis of the first circulation slot and described the
The central axis of two circulating slots is in the same horizontal line.
3. liquid droplet ejection apparatus as described in claim 1, which is characterized in that along the vertical direction, the first circulation slot setting
In the upper end of the second circulation slot.
4. liquid droplet ejection apparatus as described in claim 1, which is characterized in that along the vertical direction, the first circulation slot setting
In the lower end of the second circulation slot.
5. liquid droplet ejection apparatus as described in claim 1, which is characterized in that the quantity of the first circulation slot is less than described the
The quantity of two circulating slots.
6. liquid droplet ejection apparatus as described in claim 1, which is characterized in that the area of the cross section of the first circulation slot is big
Area in the cross section of the second circulation slot.
7. liquid droplet ejection apparatus as described in claim 1, which is characterized in that the shape of the cross section of the first circulation slot and
The shape of the cross section of the second circulation slot is identical, and the shape of the cross section of the first circulation slot is rectangle, square
Or it is one of trapezoidal.
8. a kind of inkjet-printing device, which is characterized in that spray and fill including drop described in any one of claim 1 to 7
It sets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923543.XA CN107020813B (en) | 2016-10-22 | 2016-10-22 | Liquid droplet ejection apparatus and inkjet-printing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610923543.XA CN107020813B (en) | 2016-10-22 | 2016-10-22 | Liquid droplet ejection apparatus and inkjet-printing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107020813A CN107020813A (en) | 2017-08-08 |
| CN107020813B true CN107020813B (en) | 2019-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610923543.XA Active CN107020813B (en) | 2016-10-22 | 2016-10-22 | Liquid droplet ejection apparatus and inkjet-printing device |
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| Country | Link |
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| CN (1) | CN107020813B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209617A (en) * | 2006-12-28 | 2008-07-02 | 东芝泰格有限公司 | Ink-jet head |
| CN102848730A (en) * | 2011-06-28 | 2013-01-02 | 精工电子打印科技有限公司 | Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet head |
| CN103171285A (en) * | 2011-12-21 | 2013-06-26 | 精工电子打印科技有限公司 | Liquid jet head, liquid jet apparatus and method of manufacturing liquid jet head |
| JP2015101034A (en) * | 2013-11-26 | 2015-06-04 | セイコーエプソン株式会社 | Liquid ejection head and liquid ejection device |
| CN206394240U (en) * | 2016-10-21 | 2017-08-11 | 北京奥润联创微电子科技开发有限公司 | Liquid droplet ejection apparatus and inkjet-printing device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4855992B2 (en) * | 2007-03-30 | 2012-01-18 | 富士フイルム株式会社 | Liquid circulation device, image forming apparatus, and liquid circulation method |
| US8439481B2 (en) * | 2010-10-26 | 2013-05-14 | Eastman Kodak Company | Liquid dispenser including sloped outlet opening wall |
-
2016
- 2016-10-22 CN CN201610923543.XA patent/CN107020813B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101209617A (en) * | 2006-12-28 | 2008-07-02 | 东芝泰格有限公司 | Ink-jet head |
| CN102848730A (en) * | 2011-06-28 | 2013-01-02 | 精工电子打印科技有限公司 | Liquid jet head, liquid jet apparatus, and method of manufacturing liquid jet head |
| CN103171285A (en) * | 2011-12-21 | 2013-06-26 | 精工电子打印科技有限公司 | Liquid jet head, liquid jet apparatus and method of manufacturing liquid jet head |
| JP2015101034A (en) * | 2013-11-26 | 2015-06-04 | セイコーエプソン株式会社 | Liquid ejection head and liquid ejection device |
| CN206394240U (en) * | 2016-10-21 | 2017-08-11 | 北京奥润联创微电子科技开发有限公司 | Liquid droplet ejection apparatus and inkjet-printing device |
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| Publication number | Publication date |
|---|---|
| CN107020813A (en) | 2017-08-08 |
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Effective date of registration: 20210205 Address after: 1 / F 162, building 1, yard 35, Huilongguan West Street, Changping District, Beijing Patentee after: Beijing Taiwei Huaying Technology Co.,Ltd. Address before: 101300 room 1807, 30 Longxiang Road, Haidian District, Beijing Patentee before: BEIJING AORUN LIANCHUANG MICROELECTRONIC TECHNOLOGY DEVELOPMENT Co.,Ltd. |
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Effective date of registration: 20210719 Address after: 271000 No.123 Keji North Street, Eastern New District, Tai'an City, Shandong Province Patentee after: Shandong Zhongkang Jihong Technology Development Co.,Ltd. Address before: 1 / F 162, building 1, yard 35, Huilongguan West Street, Changping District, Beijing Patentee before: Beijing Taiwei Huaying Technology Co.,Ltd. |
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