CN106515219A - Printing device and inkjet print head thereof - Google Patents
Printing device and inkjet print head thereof Download PDFInfo
- Publication number
- CN106515219A CN106515219A CN201610898636.1A CN201610898636A CN106515219A CN 106515219 A CN106515219 A CN 106515219A CN 201610898636 A CN201610898636 A CN 201610898636A CN 106515219 A CN106515219 A CN 106515219A
- Authority
- CN
- China
- Prior art keywords
- substrate
- print head
- ink jet
- chipset
- chip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007639 printing Methods 0.000 title claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 59
- 239000010410 layer Substances 0.000 claims abstract description 32
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims description 3
- 229910045601 alloy Inorganic materials 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 229910052573 porcelain Inorganic materials 0.000 claims 1
- 239000006185 dispersion Substances 0.000 abstract description 4
- 238000005406 washing Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007641 inkjet printing Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000010926 purge Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000003086 colorant Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007648 laser printing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
-
- 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
- B41J2/165—Prevention or detection of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16502—Printhead constructions to prevent nozzle clogging or facilitate nozzle cleaning
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Ink Jet (AREA)
Abstract
The invention discloses a printing device and an inkjet print head. The inkjet print head comprises a substrate and a chipset arranged on the substrate. The chipset comprises a base tab at the bottom and a plurality of chips spliced on the base tab seamlessly, and the upper surfaces of all the chips are flush. The substrate is provided with an ink cavity. The base tab is provided with spaced ink cavity channels. A plurality of micropores are formed in the chips in an array mode. The ink cavity communicates with the ink cavity channels and the micropores sequentially. Due to the fact that the chips on the inkjet print head are spliced on the base tab seamlessly, the whole size of the chipset becomes smaller, during nozzle design and installation, the space utilization rate is increased, the heat dispersion performance is improved, and the structure of a washing system is simplified. In addition, according to the type of chip arrangement mode, complex control software does not need to be developed specifically, thus a nozzle can be put into practical application and replacement conveniently, and the cost is reduced. Moreover, a strainer layer is integrated on the base tab, the reliability of the inkjet print head is further improved, a protective layer is pasted on the surface of a base tab layer, and thus the anticollision ability of the chips is improved.
Description
Technical field
The present invention relates to inkjet technology field, more particularly to a kind of printing equipment and its ink jet-print head.
Background technology
Inkjet printing has good printing effect, good compatibility, firmly in occupation of vast middle and low-end market.As
Other IT products are the same, and ink-jet printer starts just fast development from that time that it is born, and product ceaselessly updates,
New technology emerges in an endless stream, and its print resolution is from 180dpi, 360dpi to 1200dpi；From black and white to color, from 3,4 colors to 6,
7th, 8 color, or even 9 colors；Droplet volume becomes present 4 picoliters, 2 picoliters, 1 picoliters by 30 conventional picoliters, 15 picoliters, arrives substantially
The state that human eye cannot be differentiated.The especially extended capability and inexpensive solution in terms of colour print so as near several
The popularization of color laser is blocked over year always successfully so that maintain inkjet printing in the market and laser printing is at a stalemate
Situation.
With the progress of technology, by the combination of ink-jet printer and computer, 3D printing technique quickly grows, its with it is general
The difference of logical inkjet printing essentially consists in printed material and printing type：Printed material replaces with pressed powder or molten by ink
The liquid starting material for melting, printing type are printed from traditional two dimension and are changed into 3 D-printing.3D printer is unlike conventionally manufactured machine
Manufacture article is moulded by cutting or mould like that, but by layer upon layer formation physical item, application is extensive, can be with
The accuracy of manufacture and production efficiency is greatly improved, simplifies manufacturing process, reduce manufacturing cost.
But regardless of be ink-jet printer or 3D printer, they are required for carrying out in print image a series of numerous and diverse
Program.When the quick inswept printing interface of printer head, the countless nozzles above it will spray countless little ink droplets, so as to
Pixel in composition image.The special formula of the ink according to different print media of ink droplet is formed, in natural drying or online solid
Dielectric surface can be adhered well to after change.
In the multi-chip nozzle structure that industry is done, chip layout mostly is longitudinal alternate, and this kind of design brings all
Inconvenience more, for example, sprinkler design time space utilization rate is reduced, and the shower nozzle designed needs adjacent chips to partly overlap,
Easily occur blank or dark striped during practical application, supporting software need to be developed to compensate this design defect, on the other hand, be
Prevent shower nozzle long-time from designing a more complicated purging system and coming cleaning sprayer surface using there is obstruction, printer domestic demand,
Increased and be designed and manufactured as this.In addition, being encapsulated in the chip of such end-to-end splicing in macromolecular material substrate, thermal conductivity more
Poor, when causing chip operation, thermal diffusivity is poor, and filter mechanism is also required to be spliced to form, and designs complicated and impracticable, impurity
Grain thing easily blocks up spray orifice.
The content of the invention
In view of the deficiency that prior art is present, the invention provides a kind of printing equipment and its ink jet-print head, improve
Sprinkler design and install when integral space utilization ratio and heat dispersion, simplify printer purging system and drive circuit and
The filtering layer structure that software, shower nozzle are internally integrated is simple and efficient, reduces and is designed and manufactured as this.
In order to realize above-mentioned purpose, following technical scheme is present invention employs：
A kind of ink jet-print head, including substrate and the chipset on the substrate, the chipset includes bottom
Substrate and multiple chips for splicing side by side on the substrate, and all chip upper surfaces are concordant；Open up on the substrate
Have black chamber, on the substrate, open up spaced black chamber passage, the core on-chip array is formed with some micropores, ink chamber according to
Secondary connection ink chamber passage, the micropore.
Used as one of which embodiment, described ink jet-print head also includes protective layer, and the protective layer is fitted in institute
Substrate upper surface, the periphery of the chip is stated, the chip is surrounded in it.
Used as one of which embodiment, the protective layer is extended around to the upper surface for covering the substrate.
Used as one of which embodiment, the substrate is heat conduction and corrosion resistant ceramics, metal or alloy.
Used as one of which embodiment, the both sides in the substrate length direction extend outwardly to form step-like installation
Portion.
Used as one of which embodiment, the chipset also includes the first filter mesh layer, and first filter mesh layer is located at institute
Substrate lower surface is stated, is interval between ink chamber and the substrate.
Used as one of which embodiment, the chipset also includes the second filter mesh layer, and second filter mesh layer is located at institute
Substrate upper surface is stated, is interval between the substrate and the chip.
Used as one of which embodiment, the diameter of the first filter bores on first filter mesh layer is not less than described second
The diameter of the second filter bores on filter mesh layer.
Another object of the present invention is to a kind of printing equipment is provided, including a kind of above-mentioned ink jet-print head.
Chip on the ink jet-print head of the present invention is seamlessly formed on substrate by the way of side by side, chipset
Overall dimensions diminish, improve sprinkler design and install when space availability ratio and heat dispersion, simplify purging system
Structure, and such chip arrangement need not pointedly develop more complicated control software, shower nozzle is more conveniently thrown
Enter practical application and replacing, reduce cost.In addition, by filter mesh layer is integrated on substrate, further increasing ink-jet and beating
The reliability of print head, in substrate layer surface mount protective layer, improves the anticollision ability of chip.
Description of the drawings
Fig. 1 is a cross-sectional view of the ink jet-print head of the present invention.
Fig. 2 is the overlooking the structure diagram of the ink jet-print head of the present invention.
Internal structure schematic diagrams of the Fig. 3 for a kind of chipset of the embodiment of the present invention 1.
Internal structure schematic diagrams of the Fig. 4 for a kind of chipset of the embodiment of the present invention 2.
Internal structure schematic diagrams of the Fig. 5 for another kind of chipset of the embodiment of the present invention 2.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is below in conjunction with drawings and Examples, right
The present invention is further described.It should be appreciated that specific embodiment described herein is only to explain the present invention, and without
It is of the invention in limiting.
Embodiment 1
Refering to Fig. 1, the ink jet-print head of the present invention includes substrate 10 and the chipset 20 on substrate 10, chipset 20
Substrate 21 and multiple chips 22 for splicing on substrate 21 side by side including bottom, and 22 upper surface of all chips is concordant；Substrate
Black chamber 100 is offered on 10, black chamber passage 210 spaced apart is offered on substrate 21, and on chip 22, array is formed with some micro-
Hole, black chamber 100 are sequentially communicated black chamber passage 210, micropore.Black chamber 100 simultaneously with black chamber 100 connect, each black chamber 100 is divided again
Not with some microporous connectivities.Ink is pressed into from the entrance of 100 side of black chamber, and the black chamber passage 210 on Jing substrates 21 is from chip
Micropore on 22 sprays, and chip 22 makes the little ink droplet through micropore thereon according to predetermined side under the driving of control software
Pixel in formula composition image, terminates being formed on the print medium.
As chip is seamlessly formed on substrate by the way of side by side, the overall dimensions of chipset diminish, and carry
Space availability ratio during high sprinkler design, simplifies the structure of purging system, and such chip arrangement need not be directed to
Property the more complicated control software of ground exploitation, enable shower nozzle more conveniently to put into practical application, reduce and manufacture and design, safeguard into
This.
With reference to shown in Fig. 2, ink jet-print head has protective layer 30, and the protective layer 30 preferably adopts harder, wear-resisting material,
21 upper surface of substrate, the periphery of chip 22 is fitted in, chip 22 is surrounded in it, chipset 20 is protected, core is prevented
Piece group 20 is subject to external force collision and damages.Preferably, after being completed, 30 surrounding of protective layer also extends to cover the upper of substrate 10
Surface, 10 end face of substrate is also protected in wherein.
Used as one of which preferably embodiment, substrate 21 is led for heat conduction and corrosion resistant ceramics, metal or alloy etc.
Hot preferable material, enable shower nozzle at a higher temperature can continuous-stable work.
For the ease of installing and fixing, the both sides of 10 length direction of substrate extend outwardly to form step-like installation portion 11.
The location hole 11a and the installing hole of through-hole structure of the blind hole shape for being easy to which to be positioned on mobile support is offered on installation portion 11
11b.After ink jet-print head installation, can translate along desired trajectory with mobile support and complete to print.
With reference to shown in Fig. 3, it is a kind of internal structure schematic diagram of chipset of the present embodiment.
The chipset 20 of the present embodiment has the first filter mesh layer 231 of high precision, and first filter mesh layer 231 is formed at base
21 lower surface of piece, with several the first filter bores 231a, is interval between black chamber 100 and substrate 21, can be used to filter from ink
Chamber 100 flows to the minute impurities in the ink of each black chamber passage 210, to prevent the blockage of the micro orifice on chip 22, it is ensured that shower nozzle
Steady operation.By some filter bores being opened up in 21 bottom surface of substrate, the first filter mesh layer 231 can be integrated on substrate 21, be made
Chipset carries filtering function, improves compactedness and the strainability of structure, easy to process.
Embodiment 2
As shown in Figure 4 and Figure 5, as the another embodiment different from embodiment 1, the chipset 20 of the present embodiment is also
With the second filter mesh layer 232, the second filter mesh layer 232 is located at 21 upper surface of substrate, is interval between substrate 21 and chip 22, can use
In the minute impurities flowed in the ink of corresponding micropore are filtered from black chamber passage 210, to prevent the blockage of the micro orifice on chip 22.This
Sample, the both sides of substrate 21 are respectively arranged with the first filter mesh layer 231 and the second filter mesh layer 232.When second filter mesh layer 232 is manufactured, lead to
Cross and some filter bores are opened up in 21 upper surface of substrate, the second filter mesh layer 232 can be integrated on substrate 21, carry chipset
Dual filtering functions, further increase compactedness and the strainability of structure.
It is preferred that the diameter of the first filter bores 231a on the first filter mesh layer 231 is not less than second on the second filter mesh layer 232
The diameter of filter bores 232a.In Fig. 4, it is the situation of the diameter equal to the diameter of the second filter bores 232a of the first filter bores 231a；
In Fig. 5, it is the situation of the diameter with diameter greater than the second filter bores 232a of the first filter bores 231a, this kind of mode both ensure that core
The filtering function of piece group, causes ink to have certain pressure before into micropore, it is ensured that its normal ejection again.
The ink jet-print head of the present invention is can be widely applied in various ink-jet printers or 3D printer, easily manufactured, control
System is simple, and anti-clogging performance is good, and service life is longer, can preferably reduce use cost.
Chip on the ink jet-print head of the present invention is seamlessly formed on substrate by the way of side by side, chipset
Overall dimensions diminish, improve sprinkler design and install when space availability ratio and heat dispersion, simplify purging system
Structure, and such chip arrangement need not pointedly develop more complicated control software, shower nozzle is more conveniently thrown
Enter practical application and replacing, reduce cost.In addition, by filter mesh layer is integrated on substrate, further increasing ink-jet and beating
The reliability of print head, in substrate layer surface mount protective layer, improves the anticollision ability of chip.
The above is only the specific embodiment of the application, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the application principle, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as the protection domain of the application.
Claims (9)
1. a kind of ink jet-print head, it is characterised in that including substrate (10) and the chipset (20) on the substrate (10),
Described chipset (20) include the substrate (21) and multiple chips (22) for splicing on the substrate (21) side by side of bottom, and institute
There is the chip (22) upper surface concordant；Black chamber (100) is offered on substrate (10), between offering on substrate (21)
Every black chamber passage (210), on chip (22), array is formed with some micropores, and ink chamber (100) is sequentially communicated described
Black chamber passage (210), the micropore.
2. ink jet-print head according to claim 1, it is characterised in that also including protective layer (30), the protective layer
(30) substrate (21) upper surface, the periphery of the chip (22) is fitted in, the chip (22) is surrounded in it.
3. ink jet-print head according to claim 2, it is characterised in that protective layer (30) are extended around to covering institute
State the upper surface of substrate (10).
4. ink jet-print head according to claim 1, it is characterised in that described substrate (21) are heat conduction and corrosion resistant pottery
Porcelain, metal or alloy.
5. ink jet-print head according to claim 1, it is characterised in that the both sides of substrate (10) length direction are outwardly
Extension forms step-like installation portion (11).
6. according to the arbitrary described ink jet-print head of claim 1-5, it is characterised in that chipset (20) also include first
Filter mesh layer (231), described first filter mesh layer (231) are located at the substrate (21) lower surface, are interval in ink chamber (100) and institute
State between substrate (21).
7. ink jet-print head according to claim 6, it is characterised in that chipset (20) also include the second filter mesh layer
(232), described second filter mesh layer (232) are located at the substrate (21) upper surface, are interval in the substrate (21) and the chip
(22) between.
8. ink jet-print head according to claim 7, it is characterised in that the first mistake on the first filter mesh layer (231)
Diameter of the diameter of filter opening (231a) not less than the second filter bores (232a) on the second filter mesh layer (232).
9. a kind of printing equipment, it is characterised in that including the arbitrary described ink jet-print head of claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898636.1A CN106515219B (en) | 2016-10-14 | 2016-10-14 | A kind of printing equipment and its inkjet print head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610898636.1A CN106515219B (en) | 2016-10-14 | 2016-10-14 | A kind of printing equipment and its inkjet print head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106515219A true CN106515219A (en) | 2017-03-22 |
| CN106515219B CN106515219B (en) | 2019-08-27 |
Family
ID=58331837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610898636.1A Active CN106515219B (en) | 2016-10-14 | 2016-10-14 | A kind of printing equipment and its inkjet print head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106515219B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09254394A (en) * | 1996-03-22 | 1997-09-30 | Ricoh Co Ltd | Ink jet head |
| CN1286169A (en) * | 1999-08-27 | 2001-03-07 | 惠普公司 | Full-integrated hot ink-jet print head having plurality of inking holes per jet port |
| CN1410266A (en) * | 2001-09-26 | 2003-04-16 | 飞赫科技股份有限公司 | Ink supplying structure of ink-jet head |
| CN1496827A (en) * | 2002-09-25 | 2004-05-19 | �ֵܹ�ҵ��ʽ���� | Ink-jet head, filter assembly and manufacturing method of ink-jet head |
| CN1539640A (en) * | 2003-04-22 | 2004-10-27 | 研能科技股份有限公司 | Structure of ink gun and ink jet printing system |
| CN1545451A (en) * | 2002-04-10 | 2004-11-10 | ������������ʽ���� | Liquid jetting head, liquid jetting device, and method of manufacturing liquid jetting head |
| CN101077651A (en) * | 2006-05-25 | 2007-11-28 | 国际联合科技股份有限公司 | Ink-jet printing head |
| CN201736525U (en) * | 2010-05-28 | 2011-02-09 | 张晓忠 | Wide-breadth thermosensitive printing head |
| CN103009810A (en) * | 2011-09-27 | 2013-04-03 | 精工电子打印科技有限公司 | Liquid head jet for inkjet print head having no filter |
| CN203543375U (en) * | 2013-09-30 | 2014-04-16 | 曲阜市玉樵夫科技有限公司 | Non-offset seamless splicing printhead |
| CN203580351U (en) * | 2013-09-30 | 2014-05-07 | 曲阜市玉樵夫科技有限公司 | Staggered seamless splicing printing head |
| CN204914925U (en) * | 2015-08-20 | 2015-12-30 | 苏州创轩激光科技有限公司 | Marking machine vacuum adsorption fixing device |
| CN105599452A (en) * | 2016-03-03 | 2016-05-25 | 中国科学院苏州纳米技术与纳米仿生研究所 | Multilayer material orifice structure and printer |
| CN206106652U (en) * | 2016-10-14 | 2017-04-19 | 苏州锐发打印技术有限公司 | Printing device and ink -jet printhead thereof |
-
2016
- 2016-10-14 CN CN201610898636.1A patent/CN106515219B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09254394A (en) * | 1996-03-22 | 1997-09-30 | Ricoh Co Ltd | Ink jet head |
| CN1286169A (en) * | 1999-08-27 | 2001-03-07 | 惠普公司 | Full-integrated hot ink-jet print head having plurality of inking holes per jet port |
| CN1410266A (en) * | 2001-09-26 | 2003-04-16 | 飞赫科技股份有限公司 | Ink supplying structure of ink-jet head |
| CN1545451A (en) * | 2002-04-10 | 2004-11-10 | ������������ʽ���� | Liquid jetting head, liquid jetting device, and method of manufacturing liquid jetting head |
| CN1496827A (en) * | 2002-09-25 | 2004-05-19 | �ֵܹ�ҵ��ʽ���� | Ink-jet head, filter assembly and manufacturing method of ink-jet head |
| CN1539640A (en) * | 2003-04-22 | 2004-10-27 | 研能科技股份有限公司 | Structure of ink gun and ink jet printing system |
| CN101077651A (en) * | 2006-05-25 | 2007-11-28 | 国际联合科技股份有限公司 | Ink-jet printing head |
| CN201736525U (en) * | 2010-05-28 | 2011-02-09 | 张晓忠 | Wide-breadth thermosensitive printing head |
| CN103009810A (en) * | 2011-09-27 | 2013-04-03 | 精工电子打印科技有限公司 | Liquid head jet for inkjet print head having no filter |
| CN203543375U (en) * | 2013-09-30 | 2014-04-16 | 曲阜市玉樵夫科技有限公司 | Non-offset seamless splicing printhead |
| CN203580351U (en) * | 2013-09-30 | 2014-05-07 | 曲阜市玉樵夫科技有限公司 | Staggered seamless splicing printing head |
| CN204914925U (en) * | 2015-08-20 | 2015-12-30 | 苏州创轩激光科技有限公司 | Marking machine vacuum adsorption fixing device |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN106515219B (en) | 2019-08-27 |
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Address after: 201703 Room 1217, 12th floor A, Block B, 2855 Lane 1-72, Shanghai Qingpu District Zhaoxiang Town, Shanghai Patentee after: Shanghai Riefa Digital Technology Co.,Ltd. Address before: 215123, Suzhou Industrial Park, Jiangsu, Suzhou Province, if waterway 388, D405 Patentee before: SUZHOU YUEFA PRINTING TECHNOLOGY Co.,Ltd. |
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Address after: 310000, 1st Floor, Building 18, No. 260, 6th Street, Baiyang Street, Qiantang District, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Ruierfa Technology Co.,Ltd. Country or region after: China Address before: Room 1217, Area A, 12th Floor, Building B, No. 1-72, Lane 2855, Huqingping Road, Zhaoxiang Town, Qingpu District, Shanghai, March 2017 Patentee before: Shanghai Riefa Digital Technology Co.,Ltd. Country or region before: China |
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| CP03 | Change of name, title or address |