CN103042826A - Jet printing unit - Google Patents
Jet printing unit Download PDFInfo
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- CN103042826A CN103042826A CN2011103203979A CN201110320397A CN103042826A CN 103042826 A CN103042826 A CN 103042826A CN 2011103203979 A CN2011103203979 A CN 2011103203979A CN 201110320397 A CN201110320397 A CN 201110320397A CN 103042826 A CN103042826 A CN 103042826A
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- runner
- spray printing
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- bubble
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Abstract
The invention relates a jet printing unit which at least comprises an orifice plate, a plate body, an oscillating plate and runner exhaust elements, wherein the plate body is arranged to be adjacent to the orifice plate and is provided with a runner, the oscillating plate is arranged on the plate body and is provided with an exhaust hole, partial runner exhaust elements are arranged between the oscillating plate and the plate body, and each runner exhaust element at least comprises a film arranged and covers on an exhaust hole, an exhaust communicating groove communicated with the exhaust hole, and a microrunner arranged between the runner and the exhaust communicating groove and communicated with the runner and the exhaust communicating groove to ensure that gas flows to the exhaust communicating groove and is exhausted through the exhaust hole through the film. By means of the communication of the runner, the microrunners, the exhaust communicating grooves and the films, the gas in the runners is exhausted, and the effects of maintaining jet printing quality and reducing money and time waste are achieved.
Description
Technical field
The present invention is about a kind of spray printing unit, the espespecially a kind of spray printing unit that removal of bubbles in the runner can be kept the spray printing quality.
Background technology
In recent years, flourish along with PC and industrial technology, science and technology is also closer with the combination of daily life, PRN device has just like become the indispensable product of PC periphery in enterprise or the family, wherein again with ink-jet printer have that price is low, the advantage such as consumptive material is changed simple and obtain easily, therefore widely the consumer adopts.
Known ink-jet printer mainly is to carry out the spray printing action by ink gun, and the spray printing unary system on the ink gun is arranged on the ink cartridges, is stacked by the multilayer object to form, and comprises jet orifice plate, oscillating plate and multi-layer sheet etc. with nozzle, to consist of main runner.Have a pressure chamber in the main runner, be used to that braking plate is subjected to voltage and when activating, pressurization also promotes ink and flows and spray, in order to do the molar behavior of finishing spray printing.
Yet, in print procedure, if Bubble formation is arranged, can in main runner, diffuse to pressure chamber and accumulate on this place, when activating so that braking plate is subjected to voltage, can't pass through main runner because gas barrier causes ink, cause the spray printing action not finish smoothly, light then produce the bad situation of spray printing, cause print quality not good; Heavy then at all can't spray printing, not only the user must spend many time find problems, and carries out the replacing of ink cartridges or ink gun, and the ink that does not use in the former ink cartridges has also caused the waste of resource, increases on foot time and money cost; If the user is badly in need of carrying out the printing of file, then must switch to other printers or out look for can be for the hotel owner who prints, in the waste that has virtually also increased time and money.
Therefore, how to develop a kind of disappearance that is enough to improve above-mentioned known technology, and can avoid can't finishing smoothly because the bubble obstruct causes the spray printing action, to reduce the spray printing unit of money and time waste, real is present problem in the urgent need to address.
Summary of the invention
Main purpose of the present invention is for providing a kind of spray printing unit, in print procedure, because causing ink, gas barrier can't pass through main runner in order to do solving known spray printing unit, cause the spray printing action not finish smoothly, cause print quality not good, and cause the shortcomings such as money and time waste.
Another object of the present invention is discharged the bubble in the runner to reach for a kind of spray printing unit is provided, and avoids causing the spray printing action to finish smoothly because bubble intercepts, and is maintained the spray printing quality and reduces money and the effect of time waste.
For reaching above-mentioned purpose, of the present invention one better enforcement aspect comprises: a jet orifice plate at least for a kind of spray printing unit is provided; One oscillating plate is adjacent to this jet orifice plate, and is provided with a steam vent; One plate body is located between this jet orifice plate and this oscillating plate, and has a runner; And a runner expulsion element, be to be arranged between this oscillating plate and this plate body, and be communicated with this runner with this steam vent, in order to do making in this runner gas flow through this runner expulsion element, and discharged by this steam vent.
For reaching above-mentioned purpose, another better enforcement aspect of the present invention comprises: a jet orifice plate at least for a kind of spray printing unit is provided; One oscillating plate is adjacent to this jet orifice plate, and is provided with a steam vent; One plate body is located between this jet orifice plate and this oscillating plate, and has a runner; And a runner expulsion element, the runner expulsion element of part is arranged between this oscillating plate and this plate body, and comprise at least: a film arranges and is covered in this steam vent; One exhaust connectivity slot is communicated with this steam vent; And a plurality of fluid channel, be arranged between this runner and this exhaust connectivity slot, and be communicated with this runner and this exhaust connectivity slot, in order to do making in this runner gas flow to this exhaust connectivity slot, and discharged by this steam vent by this film.
Description of drawings
Fig. 1 is the structural representation of the spray printing unit of preferred embodiment of the present invention.
Fig. 2 is oscillating plate shown in Figure 1 and the schematic diagram of film.
Fig. 3 is the schematic diagram of plate body, exhaust connectivity slot and fluid channel shown in Figure 1.
Fig. 4 is jet orifice plate schematic diagram shown in Figure 1.
Fig. 5 is A-A ' schematic cross-section shown in Figure 2.
Fig. 6 A is runner shown in Figure 1 and the partial front schematic diagram of runner expulsion element.
Fig. 6 B is the C-C ' profile shown in Fig. 6 A.
Fig. 7 A is the schematic diagram that the runner entrance shown in Fig. 6 A is set up the bubble filtration.
Fig. 7 B is the E-E ' profile shown in Fig. 7 A.
Fig. 7 C is the schematic diagram of the regional F shown in the dotted line among Fig. 7 B.
Fig. 7 D is the schematic diagram that the bubble filtration shown in Fig. 7 A filters bubble.
Fig. 8 A is that the runner entrance shown in Fig. 7 A stretches out and width strengthens and set up the schematic diagram of bubble filtration.
Fig. 8 B is the G-G ' profile shown in Fig. 8 A.
Fig. 9 A is the schematic diagram that the runner entrance shown in Fig. 8 A is set up another layer bubble filtration.
Fig. 9 B is the partial schematic diagram of the H-H ' section shown in Fig. 9 A.
Fig. 9 C is the schematic diagram of another embodiment of the bubble filtration shown in Fig. 9 A.
Fig. 9 D is the partial schematic diagram of the I-I ' section shown in Fig. 9 C.
1: the spray printing unit
11: jet orifice plate
111: spray orifice
12: plate body
121: runner
1211: aqua storage tank
1212: pressure chamber
1213: entrance
122: filter screen
123: sheet material
124: the photoresistance glue-line
125,125a, 125b: bubble filtration
13: oscillating plate
131: steam vent
132: blasthole
133: braking plate
14: the runner expulsion element
141: film
142: the exhaust connectivity slot
143: fluid channel
15: suction element
B1, b2, b3: bubble
A-A ', C-C ', E-E ', G-G ', H-H ', I-I ': cross section
B, D, F: zone
The specific embodiment
Some exemplary embodiments that embody feature ﹠ benefits of the present invention will be described in detail in the explanation of back segment.Be understood that the present invention can have in different aspects various variations, so its neither departing from the scope of the present invention, and explanation wherein and graphic be when the usefulness that explain in itself, but not in order to limit the present invention.
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, wherein Fig. 1 is the structural representation of the spray printing unit of preferred embodiment of the present invention, Fig. 2 is oscillating plate shown in Figure 1 and the schematic diagram of film, Fig. 3 is the schematic diagram of plate body, exhaust connectivity slot and fluid channel shown in Figure 1, Fig. 4 is jet orifice plate schematic diagram shown in Figure 1, and Fig. 5 is A-A ' schematic cross-section shown in Figure 2.Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, spray printing of the present invention unit 1 is to form by stacking more than at least two layers of object, comprises at least jet orifice plate 11, plate body 12, oscillating plate 13 and runner expulsion element 14.Jet orifice plate 11 can have spray orifice 111, and plate body 12 can be Multilayer Structure and consists of, and the multi-layer sheet such as but not limited to two to ten layers is adjacent to jet orifice plate 11, and innerly consists of runner 121, for liquid flow, and ink for example, but not as limit; Oscillating plate 13 is a side that is adjacent to plate body 12, and has steam vent 131, in order to discharge the gas that results from runner 121 in the spray printing process because of various situations; Runner expulsion element 14 is to be arranged at least in part between oscillating plate 13 and the plate body 12, at least comprise film 141, exhaust connectivity slot 142 and a plurality of fluid channel 143, wherein film 141 be only allow gas by and can block the material that liquid passes through, arrange and be covered in steam vent 131, exhaust connectivity slot 142 is to be communicated with steam vent 131, and a plurality of fluid channel 143 are to be arranged between runner 121 and the exhaust connectivity slot 142, and be communicated with runner 121 and exhaust connectivity slot 142, in order to do making gas flow to exhaust connectivity slot 142, and discharge by film 141, to reach the gas in the runner 121 or bubble are discharged, avoid causing the spray printing action to finish smoothly because gas or bubble intercept, and be maintained the spray printing quality and reduce money and the effect of time waste.
According to conception of the present invention, spray printing unit 1 can comprise suction element 15, such as but not limited to a pump, be connected with the steam vent 131 of oscillating plate 13, in order to aspirate the gas in the runner, so that gas enters fluid channel 143 and flows to exhaust connectivity slot 142 via runner 121, discharge by steam vent 131 and film 141 again, and because steam vent 131 is to be covered by film 141, flow out via film 141 therefore only allow gas, and can block liquid by film 141.Therefore, suction element 15 only can be left runner 121 by extracting gases in aspiration procedure, therefore can not produce the contingency question of waste liquid.
In some embodiment, the oscillating plate 13 of spray printing of the present invention unit 1 can include water hole 132 and braking plate 133, braking plate 133 can begin to activate because accepting voltage, blasthole 132 is to use for spray printing to flow in the runner 121 with liquid, and runner 121 cordings have aqua storage tank 1211 and pressure chamber 1212, wherein aqua storage tank 1211 is to store spray printing liquid, and pressure chamber 1212 is the braking plate 133 that is adjacent to oscillating plate 13, and when braking plate 133 is subjected to voltage and activates, pressurization and promotion spray printing are interior mobile in runner 121 with liquid, and spray via the spray orifice 111 of jet orifice plate 11, in order to do finishing whole spray printing action.In addition, plate body 12 more comprises filter screen 122, arranges and be covered in blasthole 132, in order to filter and exclude spray printing with the impurity in the liquid, enters runner and causes flow blockage with impurity contained in the liquid to avoid spray printing, or cause the situations such as print quality is not good.
See also Fig. 6 A and Fig. 6 B, it is runner and the partial front schematic diagram of runner expulsion element and the C-C ' profile shown in Fig. 6 A that is respectively shown in Figure 1.Shown in Fig. 6 A and Fig. 6 B, plate body 12 of the present invention is to comprise a plurality of sheet materials 123 and a plurality of photoresistance glue-line 124, wherein a plurality of sheet materials 123 are mutually to stack with framework in forming runner 121, and a plurality of sheet materials 123 mutually place of stacking are to be mingled with photoresistance glue-line 124 for better, photoresistance glue-line 124 can be a photonasty photoresist, such as but not limited to positive photoresistance or negative photoresistance, and thickness is approximately between 10～20 microns (μ m), but not as limit.In this embodiment, regional D shown in the dotted line and D ' are the entrance 1213 of runner 121, the fluid of required spray printing namely is to pressure chamber 1212 and spray orifice 111 through this inlet streams, if in Bubble formation is arranged and enter herein, to cause the spray printing bad, even cause and block and can't carry out the spray printing action.
Therefore, the present invention system sees through the bubble filtration is set, the problem that causes to solve bubble.See also Fig. 7 A and Fig. 7 B, it is to be respectively the runner entrance shown in Fig. 6 A to set up the schematic diagram of bubble filtration and the E-E ' profile shown in Fig. 7 A.Shown in Fig. 7 A and Fig. 7 B, the present invention system sees through and bubble filtration 125 is set in the entrance 1213 of runner 121, bubble filtration 125 can be column structure, but not as limit, and sort and be staggered to form as better in many rows' mode, the ability of filtering bubble to promote spray printing of the present invention unit 1 effectively stops bubble to flow into pressure chamber 1212 and spray orifice 111.In addition, the width of entrance 1213 front ends of runner 121 can be extended to W2 (shown in Fig. 7 A) by original width W 1 (as shown in Figure 6A), the scope of arranging to promote bubble filtration 125, make scope that bubble filtration 125 arranges by the entrance 1213 of runner 121 to presenting a cumulative kenel away from entrance 1213 directions, and when its column structure first row scope increases, have best bubble filter effect, but not as limit.
See also Fig. 7 C, it is the schematic diagram of the regional F shown in the dotted line among Fig. 7 B.Shown in Fig. 7 C, because photoresistance glue-line 124 is the photonasty photoresist, therefore can use the gold-tinted program defining to go out shape and the size of bubble filtration 125, and owing to being to be mingled with photoresistance glue-line 124 between the multi-layered board 123 of plate body 12, therefore the gold-tinted processing procedure of bubble filtration 125 belongs to processing procedure with the gold-tinted processing procedure system of the photoresistance glue-line 124 of this level, need not to increase processing procedure quantity, can reach and save cost and according to the customized effect of demand.
See also Fig. 7 D, it is the schematic diagram that the bubble filtration shown in Fig. 7 A filters bubble.Shown in Fig. 7 D, bubble filtration 125 of the present invention is outside bubble b1 that two sizes is different and b2 are blocked in, and the fluid that spray printing is used still can see through not the space of the bubble filtration 125 that is blocked by bubble and flows in the runner 121 (shown in the directions of arrow of Fig. 7 C).Yet if bubble b1 and b2 are lower by bubble filtration 125 gears, bubble b1 and b2 may compile in the entrance 1213 of runner 121 the larger sized bubble b3 of formation, and block entrance fully.
See also Fig. 8 A and Fig. 8 B, it is to be respectively that the runner entrance shown in Fig. 7 A stretches out and width strengthens and set up the schematic diagram of bubble filtration and the G-G ' profile shown in Fig. 8 A.Shown in Fig. 8 A and Fig. 8 B, for solving foregoing problems, the present invention can stretch out the entrance 1213 of runner 121 and width is extended to W3 (shown in Fig. 8 A) by W2 (shown in Fig. 7 A), same, the scope that bubble filtration 125 is arranged by the entrance 1213 of runner 121 to presenting cumulative kenel away from entrance 1213 directions, with framework in the bubble filtration 125 of making wider and more rows, the fluid that spray printing is used has more space to enter runner 121 through entrance 1213, can avoid simultaneously the entrance 1213 of portion gas obstruction runner 121, to promote the effect of filtering bubble.
See also Fig. 9 A and Fig. 9 B, it is to be respectively the runner entrance shown in Fig. 8 A to set up the schematic diagram of another layer bubble filtration and the partial schematic diagram of the H-H ' section shown in Fig. 9 A.Shown in Fig. 9 A and Fig. 9 B, plate body 12 of the present invention can replace the sheet material 123 with respect to the level of the entrance 1213 of runner 121 with photoresistance glue-line 124, make double- deck bubble filtration 125a and 125b to see through the gold-tinted processing procedure, wherein bubble filtration 125a and 125b with the mutual correspondence of levels and staggered column structure for better, but not as limit, stop that to promote it bubble enters the effect of the entrance 1213 of runner 121.In addition, because the thickness by the sheet material 123 of photoresistance glue-line 124 replacements is about 80 microns (μ m), for keeping close thickness, so the photoresistance glue-line 124 of locating is to select thickness to be about the light sensation photoresist of 50 microns (μ m), and then produces bubble filtration 125a and 125b that thickness is about 50 microns (μ m).
See also Fig. 9 C and Fig. 9 D, it is to be respectively the schematic diagram of another embodiment of the bubble filtration shown in Fig. 9 A and the partial schematic diagram of the I-I ' section shown in Fig. 9 C.Shown in Fig. 9 C and Fig. 9 D, bubble filtration 125a of the present invention can be the polygonal rod structure, and its fluid of using with respect to spray printing come destroy the globality of bubble to see through acute angle to being acute angle, such as pricking a bubble etc., but not as limit.As for bubble filtration 125b, its manufacture method, thickness and all identical with previous embodiment with the relativeness of bubble filtration 125a repeat no more in this.
Please consult again Fig. 5 and cooperate Fig. 1 to Fig. 4.Such as Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, when spray printing of the present invention unit 1 carries out the spray printing action, the blasthole 132 that is self-excited oscillation plate 13 imports the spray printing liquid, and filters and excludes spray printing with the impurity in the liquid via filter screen 122, and with spray printing usefulness fluid storage in aqua storage tank 1211.Then, see through again service voltage and give braking plate 133, make braking plate 133 be subjected to voltage and activate, pressurization also promotes the spray printing liquid flow, at this moment, if because various possible factors produce gas or bubble, and because the density of gas or bubble is less, therefore can flow in the pressure chamber 1212, flow in the exhaust connectivity slot 142 via a plurality of fluid channel 143 of runner expulsion element 14 of the present invention again, discharge by steam vent 131 and film 141 again, compare traditional spray printing unit when gas or Bubble formation, easily cause flow blockage, and affect the actuation effect of braking plate, the present invention can really reach the gas in the runner 121 or bubble are discharged, and avoids causing the spray printing action to finish smoothly because gas or bubble intercept, and is maintained the spray printing quality and reduces money and the effect of time waste.
In sum, the invention provides a kind of spray printing unit, connection by runner, fluid channel, exhaust connectivity slot and film, gas in the runner or bubble are discharged, to avoid causing the spray printing action to finish smoothly because bubble intercepts, keep the spray printing quality and reduce money and the effect of time waste and reach.
In addition, spray printing of the present invention unit sees through the bubble filtration is set, also can prevent bubble via the inlet streams of runner to pressure chamber and spray orifice, and then prevent the spray printing bad, even cause and block and can't carry out the generation of the situation such as spray printing action, and owing to being to be mingled with the photoresistance glue-line between the multi-layered board of plate body, therefore the gold-tinted processing procedure of bubble filtration belongs to processing procedure with the gold-tinted processing procedure system of the photoresistance glue-line of this level, need not to increase processing procedure quantity, can reach and save cost and according to the customized effect of demand.
Can think and be to modify right neither taking off such as Protector that attached claim is wanted as all by the personage Ren Shi craftsman who is familiar with this skill even if the present invention has been described in detail by the above embodiments.
Claims (13)
1. spray printing unit comprises at least:
One jet orifice plate;
One oscillating plate is adjacent to this jet orifice plate, and is provided with a steam vent;
One plate body is located between this jet orifice plate and this oscillating plate, and has a runner; And
One runner expulsion element is to be arranged between this oscillating plate and this plate body, and is communicated with this runner with this steam vent, in order to do making in this runner gas flow through this runner expulsion element, and is discharged by this steam vent.
2. spray printing as claimed in claim 1 unit is characterized in that this runner expulsion element pastern divides to be arranged between this oscillating plate and this plate body, and comprises at least:
One film arranges and is covered in this steam vent;
One exhaust connectivity slot is communicated with this steam vent; And
A plurality of fluid channel are arranged between this runner and this exhaust connectivity slot, and reach this with this runner
The exhaust connectivity slot is communicated with, and in order to do making in this runner gas flow to this exhaust connectivity slot, and is discharged by this steam vent by this film.
3. spray printing as claimed in claim 2 unit is characterized in that this film is only to allow that gas passes through, and can block the material that liquid passes through.
4. spray printing as claimed in claim 1 unit is characterized in that this plate body more comprises a plurality of sheet materials, and this a plurality of sheet materials system stacks mutually, with framework in forming this runner.
5. spray printing as claimed in claim 4 unit, it is characterized in that this plate body more comprises a plurality of photoresistance glue-lines, and this a plurality of photoresistance glue-lines system is located between these a plurality of sheet materials, and this photoresistance glue-line is a dry film glue-line made from the photonasty photoresist, and its thickness system is between 10 to 20 microns.
6. spray printing as claimed in claim 1 unit is characterized in that this plate body more comprises a bubble filtration, is arranged at an entrance of this runner, in order to filter bubble.
7. spray printing as claimed in claim 6 unit, the width system that it is characterized in that this bubble filtration by the entrance of this runner to cumulative away from this runner Way in.
8. spray printing as claimed in claim 6 unit is characterized in that this bubble filtration is that multicolumn shape structure consists of, and sorts and is staggered to form in many rows' mode.
9. spray printing as claimed in claim 1 unit is characterized in that plate body more comprises double-deck bubble filtration, is arranged at an entrance of this runner, in order to filtering bubble, and the mutually corresponding and setting that is staggered of the up and down series of strata of this double-deck bubble filtration.
10. spray printing as claimed in claim 9 unit is characterized in that this bubble filtration is that multicolumn shape structure consists of one of them person who consists of with dihedral rod structure the more.
11. spray printing as claimed in claim 10 unit is characterized in that the thickness system of the levels of this bubble filtration respectively does for oneself 50 microns.
12. spray printing as claimed in claim 1 unit is characterized in that more comprising a suction element, it is to connect with this steam vent of this oscillating plate to be connected, in order to aspirate the gas in this runner.
13. spray printing as claimed in claim 1 unit, it is characterized in that this oscillating plate more comprises a blasthole, this blasthole system uses for spray printing and flows into this runner with liquid, and this plate body more comprises a filter screen, arrange and also be covered in this blasthole, in order to filter and exclude the impurity in the spray printing usefulness liquid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320397.9A CN103042826B (en) | 2011-10-11 | 2011-10-11 | Jet printing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110320397.9A CN103042826B (en) | 2011-10-11 | 2011-10-11 | Jet printing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103042826A true CN103042826A (en) | 2013-04-17 |
| CN103042826B CN103042826B (en) | 2014-12-10 |
Family
ID=48055778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110320397.9A Expired - Fee Related CN103042826B (en) | 2011-10-11 | 2011-10-11 | Jet printing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103042826B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110239221A (en) * | 2018-03-09 | 2019-09-17 | 中国科学院苏州纳米技术与纳米仿生研究所 | A kind of inkjet-printing device |
| JP2021006410A (en) * | 2014-10-08 | 2021-01-21 | ローム株式会社 | Inkjet apparatus and inkjet apparatus manufacturing method |
| CN117615623A (en) * | 2023-08-17 | 2024-02-27 | 杭州宏华数码科技股份有限公司 | Method for producing perovskite solar cell, spray head and spray printing system |
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| US20070052775A1 (en) * | 2005-09-06 | 2007-03-08 | Samsung Electronics | Gas purging unit and inkjet head having the same |
| JP2007307761A (en) * | 2006-05-17 | 2007-11-29 | Fuji Xerox Co Ltd | Liquid droplet delivering head, method for manufacturing liquid droplet delivering head and liquid droplet delivering apparatus |
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2011
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| JPH05254120A (en) * | 1992-03-16 | 1993-10-05 | Seiko Epson Corp | Ink jet head |
| US6241350B1 (en) * | 1992-10-09 | 2001-06-05 | Canon Kabushiki Kaisha | Ink jet printing head and printing apparatus using same |
| JP2002301818A (en) * | 2001-04-05 | 2002-10-15 | Seiko Epson Corp | Ink jet head |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2021006410A (en) * | 2014-10-08 | 2021-01-21 | ローム株式会社 | Inkjet apparatus and inkjet apparatus manufacturing method |
| JP7063967B2 (en) | 2014-10-08 | 2022-05-09 | ローム株式会社 | Inkjet device and manufacturing method of inkjet device |
| CN110239221A (en) * | 2018-03-09 | 2019-09-17 | 中国科学院苏州纳米技术与纳米仿生研究所 | A kind of inkjet-printing device |
| CN117615623A (en) * | 2023-08-17 | 2024-02-27 | 杭州宏华数码科技股份有限公司 | Method for producing perovskite solar cell, spray head and spray printing system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103042826B (en) | 2014-12-10 |
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