CN102161261A - Multi-station jet-printing system of flexible printed circuit board - Google Patents
Multi-station jet-printing system of flexible printed circuit board Download PDFInfo
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- CN102161261A CN102161261A CN 201010594839 CN201010594839A CN102161261A CN 102161261 A CN102161261 A CN 102161261A CN 201010594839 CN201010594839 CN 201010594839 CN 201010594839 A CN201010594839 A CN 201010594839A CN 102161261 A CN102161261 A CN 102161261A
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Abstract
The invention discloses a multi-station jet-printing system of a flexible printed circuit board, which can continuously perform the process of a plurality of procedures on a strip plastic base rolled to be cylinder for producing flexible printed circuit board on a large scale. The technical scheme is as follows: the system comprises a feeding system, a laser punching system, a jet-printing circuit system, a sintering solidification system and a control system, wherein the feeding system is used for supplying strip materials used for manufacturing the flexible printed circuit board to various procedures, the strip materials are provided with the plastic base; the laser punching system is used for forming holes communicating the circuits at two faces and positioning signs; after the jet-printing circuit system, metal ink is printed on the plastic base to form circuits, and the holes are filled to form conduction lines; the sintering solidification system, after the jet-printing circuit system, heats up the circuits and the conduction lines formed by the jet-printing circuit system on the plastic base to solidify the circuits and the conduction lines; and the control system controls the automatic working cycles of the feeding system, the laser punching system, the jet-printing circuit system and the sintering solidification system.
Description
Technical field
The present invention relates to a kind of printed circuit board manufacturing system, relate in particular to a kind of system that finishes the flexible print wiring board critical process with multistation continuously.
Background technology
Printed electronics (Printed Electronics) is a kind of electronic manufacturing technology that rose in recent years, is meant a kind of technology of utilizing various printing methods to form electronic devices and components and circuit.Wherein with fastest developing speed is with character, solder mask and the circuit of piezoelectric ink-jet head spray printing printed circuit board (PCB) (PCB), replaces traditional handicrafts such as existing light is painted, serigraphy, etching.The advantage of this new method is: (1) belongs to the non-contact type spray printing, and the spray printing quality is better.(2) need not loaded down with trivial details operations such as system net, the design document that provides according to the user can be on pcb board the directly required character of spray printing, solder mask and circuit, shorten the production cycle, enhance productivity.(3) save required ink consumption, reduce production costs.(4) do not produce pollution, help environmental protection.
Because the significant advantage of spray printing method, begun at present popular abroad, the existing spray printing machine that can make pcb board such as Dimatix company, Conductive Inkjet Technology company for example, but there is following major defect in this product:
(1) most spray printing machines of these companies can only be used for the research and development of pcb board, and can not be used for the batch process of pcb board, though minority spray printing machine can be used for the batch process of pcb board, the operation that comprises is single, fail the critical process that complete covering pcb board produces, applicability is restricted.
(2) most spray printing machines of these companies can only be used for the research and development of rigidity piece material pcb board, have only indivedual spray printing functions to be used for the research and development and the production of flexible coiled strip pcb board, but do not see key technology---the safeguard measure of band material tension force control, so the quality of spray printing figure (particularly positional precision) is difficult to stablize.
(3) the accuracy of spray height of piezoelectric type shower nozzle, frequency height influence operate as normal but its nozzle easily stops up.The product of these companies has adopted this shower nozzle and the problem of the undeclared solution spray nozzle clogging of how adopting an effective measure.
China can't produce the spray printing machine of pcb board (particularly Flexible PCB plate) at present, but the development for printed electronics is paid much attention to, under the leader of Chinese printed circuit employer's organization (CPCA), held the printed electronics meeting in November, 2009, and set up printed electronics production, teaching ﹠ research alliance, the meeting decision is divided into the key technology that equipment, material (being ink) and three aspects of technology are captured printed electronics jointly, therefore, overcome the technological deficiency of existing pcb board spray printing machine, the pcb board printing system that development has Intellectual Property in China is very necessary.
Summary of the invention
The objective of the invention is to address the above problem, a kind of flexible print wiring board multistation sprayed printed system is provided, can be rolled into the processing of carrying out working procedures on the banded plastic-substrates of tubular continuously, produce flexible print wiring board in batches.
Technical scheme of the present invention is: the present invention has disclosed a kind of flexible print wiring board multistation sprayed printed system, comprising:
Feeding system provides the band material of making flexible print wiring board to each process sequence, wherein on the band material plastic-substrates is set;
Laser drilling system forms hole and the positioning mark that is communicated with the two sides circuit on plastic-substrates;
The spray printing Circuits System, after this laser drilling system, the spray printing metallic ink is filled this hole to form the conducting line to form circuit on plastic-substrates;
The sintering curing system after this spray printing Circuits System, heats this spray printing Circuits System circuit that spray printing forms on plastic-substrates and conducting line so that circuit and conducting line solidify;
Control system is controlled the automatic working cycle of this feeding system, this laser drilling system, this spray printing Circuits System and this sintering curing system.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this feeding system further comprises:
Unwinding device is positioned at this flexible print wiring board multistation sprayed printed system foremost, comprises unreeling reel and magnetic powder brake;
Wrap-up is positioned at the rearmost end of this flexible print wiring board multistation sprayed printed system, comprises winding drum and rolling traction electric machine;
Tension control system between this unwinding device and this wrap-up, comprises dancer, at least two sensors, damper, feeding roller, measuring roll, cylinder and at least two controllers, and the constant tension of retainer belt material is constant.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this tension control system further comprises:
The one-level tenslator, be positioned at the front end of this tension control system, form by this magnetic powder brake, this dancer, this first sensor, this first controller and this damper, realize tension force control and adjustment by controlling this braking moment that unreels reel;
The secondary tenslator is positioned at the rear end of this tension control system, is made up of this feeding roller, this measuring roll, this second controller, those cylinders and this second sensor, and the speed of service by control band material realizes tension force control and adjusts.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this laser drilling system further comprises:
Laser instrument is positioned at this laser drilling system foremost;
Optical scan vibration lens is positioned on the output light path of this laser instrument, is made up of to scanning galvanometer to scanning galvanometer and Y X;
Speculum is positioned on the output light path of this laser instrument, is made up of to speculum to speculum and Y X;
Field lens is positioned at the rearmost end of the light path of this laser drilling system;
The first vacuum suction platform is positioned at the below that band is expected.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this laser drilling system further comprises:
Laser instrument is positioned at this laser drilling system foremost;
The polylith speculum is positioned on the output light path of this laser instrument;
Field lens is positioned at the rearmost end of the light path of this laser drilling system;
X to workbench and Y to workbench, between this laser instrument and this field lens.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this spray printing Circuits System further comprises:
The piezoelectric type shower nozzle,, comprise piezoelectric ceramic piece, barrier film, cavity volume and a plurality of nozzle;
Ink feeding system is positioned at the leading portion of this piezoelectric type shower nozzle, comprises China ink bottle, ink supply pump, filter and print cartridge;
The second vacuum suction platform is positioned at the below of this piezoelectric type shower nozzle;
The positioning mark camera system is positioned at the top of this second vacuum suction platform.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this piezoelectric type shower nozzle is the same circuit of multi-pass spray printing.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, the ink of storing in this print cartridge is the nano metal ink.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this sintering curing system further comprises:
The sintering curing stove is positioned at the rear end of this spray printing Circuits System;
Heater is positioned at this sintering curing stove, comprises infrared generator and power supply;
The guide roller is positioned at this sintering curing stove, and guiding enters the band material in the sintering curing stove.
According to an embodiment of flexible print wiring board multistation sprayed printed system of the present invention, this sintering curing stove and accessory has the body of heater of tunnel type.
The present invention contrasts prior art following beneficial effect: the present invention constitutes drum band material feeding system by the control of two-stage tension force, by continuous multiple working procedures such as laser micropore processing, spray printing nano metal ink and low-temperature sintering curing, finish the making of flexible print wiring board.With respect to prior art, the present invention can be used for producing in batches flexible print wiring board, has advantages such as circuitous pattern quality height, pollution-free, shower nozzle are difficult for stopping up, easy to maintenance.
Description of drawings
The schematic diagram of the embodiment that shows flexible print wiring board multistation sprayed printed system of the present invention that Fig. 1 is exemplary;
The tension force control principle figure that shows the feeding system among the flexible print wiring board multistation sprayed printed system embodiment that Fig. 2 is exemplary according to the present invention;
Fig. 3 is exemplary shows the station horizontal layout schematic diagram among the flexible print wiring board multistation sprayed printed system embodiment according to the present invention;
Fig. 4 is exemplary shows the laser drilling system schematic diagram among the flexible print wiring board multistation sprayed printed system embodiment according to the present invention;
Fig. 5 is exemplary shows the spray printing Circuits System schematic diagram among the flexible print wiring board multistation sprayed printed system embodiment according to the present invention.
Fig. 6 is exemplary shows the sintering curing stove schematic diagram among the flexible print wiring board multistation sprayed printed system embodiment according to the present invention;
Fig. 7 is exemplary shows the another kind of laser drilling system schematic diagram among the flexible print wiring board multistation sprayed printed system embodiment according to the present invention.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Fig. 1 shows the principle of the embodiment of flexible print wiring board multistation sprayed printed system of the present invention.See also Fig. 1, the flexible print wiring board multistation sprayed printed system of present embodiment comprises: feeding system 108, laser drilling system 103, spray printing Circuits System 104, sintering curing system 105 and control system (not shown).Wherein laser drilling system 103 is installed on the laser boring station, and spray printing Circuits System 104 is installed on the spray printing circuit station, and sintering curing system 105 is installed on the sintering curing station.Laser boring station, spray printing circuit station and sintering curing station move in regular turn.
These three stations are all supplied with band material 101 by feeding system 108, and the substrate of band material 101 is called plastic-substrates for thin plastic layer (for example polyimides, polyester etc.).The front and back of plastic-substrates can be printed conducting channel.
Fig. 2 shows the tension force control principle of feeding system 108.See also Fig. 2, unwinding device 102 comprises and unreels reel 219 and magnetic powder brake 203.Wrap-up 106 comprises winding drum 219 and rolling traction electric machine (not shown).Tension control system 107 is divided into one-level tenslator 201 and secondary tenslator 202.One-level tenslator 201 is the Torque Control mode, and promptly the braking moment that unreels reel 219 by control realizes tension force control and adjusts, and this grade is used to control the tension force of the section of unreeling.Secondary tenslator 202 is a speed control method, promptly realizes tension force control and adjust that by changing the speed of service of being with material 101 this grade is used to control the preceding tension force of spray printing.Generally band material tension variation amount is remained on below 1% by the control of two-stage tension force.
In one-level tenslator 201, magnetic powder brake 203, dancer 205, angular displacement potentiometer tension pick-up 206, controller 207 and damper 208 have been comprised.Magnetic powder brake 203 is a working media with the magnetic, is control device with the exciting curent, reaches the purpose of control braking moment, and its output torque and exciting curent are good linear relationship and have nothing to do with rotating speed or slippage, and response speed is fast.
In the spray printing process, the radius that is wrapped in the band material 101 that unreels on the reel 219 is for more and more littler, if do not change the size of braking moment, then the tension force of band material 101 can be increasing, and final feasible band material 101 fractures.In order to make band material constant tension constant, magnetic powder brake 203 can in time reduce braking moment according to angular displacement potentiometer tension pick-up 206 detected actual tension values.
Expected at the band of opening imperfect web-like that tension force can produce fluctuation at 101 o'clock, this fluctuation major part also may produce owing to the influence of some extraneous factor owing to coiled strip 101 out-of-shapes cause.The variation of this tension force often frequency is higher, can not eliminate fully with magnetic powder brake 203, and 205 available buffers of dancer and part are eliminated the fluctuation of tension force.
The normal angular displacement potentiometer pick-off 206 that uses carries out the detection of tension force in the tension detection system.The cursor slide 223 of the potentiometer 225 of this sensor moves the variation that causes output voltage, thereby will move or the variation of rotation displacement becomes the signal that voltage or electric current change.
Angular displacement potentiometer tension pick-up 206 is installed on the revolution balance staff 224 of dancer 205, and a part is fixing, and a part is with dancer 205 swings.When band material 101 tension variation, the position of dancer 205 changes, and drives the certain angle of travelling arm 223 deflections, and the output valve of potentiometer 225 is changed.The resistance value of potentiometer 225 outputs is corresponding with band material tension force size.Controller 207 is according to detected voltage signal size, and the exciting curent value of control magnetic powder brake 203, thereby the size of adjustment braking moment guarantee band material 101 tension stabilities.
The effect of damper 208 is small tension receiving coil variable signals that dancer 205 has been passed through in filtering, and the number of times of the feedback signal that minimizing angular displacement potentiometer tension pick-up 206 sends is avoided concussion, further guarantees the stability of tension force.
Measuring roll 211 closes on the spray printing active section, is used to detect the tension force of spray printing band material 101 soon.Sensor 214 is used to experience the tension force of band material 101 and gained information is passed to controller 215, by the speed that controller 215 is regulated feeding roller 209, makes it keep setting value, so that the tension force of control band material 101.
In the embodiments of the invention, the horizontal layout of laser drilling system 103, spray printing Circuits System 104 and sintering curing system 105 as shown in Figure 3.
In laser drilling system 103, when position coder 218 (as shown in Figure 2) when sending punching information, laser beam 305 is along band material 101 vertical scan directions that move, and some blind holes (for example blind hole 302) are beaten in the precalculated position on band material 101, and in the right side of band material 101 portrayal cross mark 303, this mark 303 is used for the location of subsequent handling.Punch and just in time penetrate plastic-substrates and touch the circuit 301 that band material 101 back sides have been printed, be used for follow-up spray printing circuit operation spray conducting metal ink (for example Nano Silver ink), as band material 101 back sides printed circuit 301 and the positive conducting line that is about to spray printing circuit 406.
The principle of the laser drilling system of present embodiment as shown in Figure 4, laser drilling system comprises: laser instrument 402, optical scan vibration lens 404 and 405, speculum 406 and 407, field lens 408 and vacuum suction platform 409.As shown in Figure 4, the laser beam that sends of laser instrument 402 403 is successively injected two speculums 406 and 407.X to scanning galvanometer 404 and Y under the control of scanning galvanometer 405, speculum 406 and 407 can change their reflection angles to laser beam 403, makes laser beam 403 respectively along X-axis, Y-axis deflection scanning.The laser beam of deflection forms aggregation laser bundle 305 after assembling by field lens 408, make it have certain power density and on band material 101 by required orbiting motion, form blind hole 302 and cross mark 303.
The focal length of adjusting laser beam 305 and the degree of depth that power density can be controlled blind hole 302 and the smoothness of side, hole.The below of band material 101 is provided with a vacuum suction platform 409, is used to make band material 101 to be close to the upper surface of absorptive table 409, avoid because of the band material 101 not straight focuses of laser beam 305 that cause can not drop on the band material 101, thus the quality of influence punching.After each punching was finished, control system was cut off the path of vacuum system (not shown) and vacuum suction platform 409, and band material 101 can continue freely to travel forward.
Spray printing Circuits System 104 in the present embodiment (referring to Fig. 3 and Fig. 5) is made up of multiinjector piezoelectric type shower nozzle 401, ink feeding system, positioning mark camera system and vacuum suction platform 520.
Multiinjector piezoelectric type shower nozzle 401 is made up of piezoelectric ceramic piece 501, barrier film 502, cavity volume 503 and nozzle 402, when piezoelectric ceramic piece 501 applies the driving signal, little distortion takes place in piezoelectric ceramic piece 501, driving barrier film 502 moves downward, impel ink (the being the Nano Silver ink in the present embodiment) ejection from nozzle 402 that is stored in the cavity volume 503, form the ink droplet 505 of directive band material 101.
The effect of Bu Zhiing is like this: (1) dwindles the interval naturally between the adjacent nozzle 402, improves spray printing resolution ratio, guarantees that the silver layer on the spray printing circuit 506 is closely knit, clear; (2) can make the live width of the spray printing circuit 506 of each spray printing accurately equal setting value by regulating the inclination angle of shower nozzle 401; (3) owing to adopt two passages (the first passage spray printing 404 as shown in Figure 3 and the second passage spray printing 405) or multi-pass to repeat the spray printing mode, can avoid because of biting that individual nozzles 402 accidental obstructions produce, and can increase the thickness of spray printing silver layer.
Ink feeding system has following perfect setting: (1) adopts thermostatic ultrasonic ripple concussion China ink bottle 507, guarantees that (winter or summer) ink viscosity meets the eject request of shower nozzle 401 under adverse circumstances, avoids particle deposition and reunion in the ink.(2) adopt high-precision filter 513, avoid the larger particles in the ink to enter shower nozzle.(3) adopt permanent liquid level print cartridge 515,, guarantee the ink supply constant pressure by the difference in height of liquid level sensor 516 control liquid levels 517 relative shower nozzles 401.(4) the pressure connected loop that is shaken China ink bottle 507, ink supply pump 511, filter 513, liquid level sensor 516 and nozzle 402 by the thermostatic ultrasonic ripple is set, no matter the liquid level 517 in the liquid level sensor 516 is in any height, ink supply pump 511 can both be forced the ink in the China ink bottle 507 is pressed to nozzle 402, make that remaining bubble and larger particles material discharged in pipeline 518 and the shower nozzle 401 from nozzle 402, avoid nozzle 402 to stop up.
The positioning mark camera system is made up of ccd video camera 519 and corresponding software and hardware, when video camera 519 whenever detects a cross mark 303 on band material 101, the respective nozzle 402 of shower nozzle 401 is sprayed the Nano Silver ink, shower nozzle 401 is done the transversal scanning campaign, forms corresponding circuit 506 and fills blind hole 302.
In spray printing Circuits System 104, below band material 101, be provided with vacuum suction platform 520, be used to make band material 101 to be close to the upper surface of vacuum suction platform 520, avoid because of the 101 not straight changes that cause distance between nozzle 402 and the band material 101 of band material, thereby influence the spray printing quality.
As shown in Figure 6, the sintering curing system 105 of present embodiment is made up of sintering curing stove 601 and guide Kun 604～607, is provided with heater (comprising infrared generator and power supply) in sintering curing stove 601.Sintering curing stove 601 is the infrared ray low-temperature heat stove of slit fire door, the Nano Silver ink that is used for the sintering curing spray printing, because the fusing point of nano metal powder is starkly lower than the fusing point of reguline metal, for example, block silver point is 961 ℃, and the fusing point of Nano Silver powder is (size that depends on nanopowder particles) below 100 ℃, therefore, the sintering curing of this low temperature can not change the plastic-substrates performance of band material 101, can not cause 101 buckling deformations of band material yet.
For guaranteeing the abundant sintering curing of spray printing circuit energy, adopt tunnel type sintering curing stove, the furnace chamber that the sufficient length of solidifying for the spray printing circuit is arranged in the stove, and some guide rollers (for example the guide roller 604,605,606 and 607) are set, increase the detour distance of band material 101 in stove, guarantee the Nano Silver circuit 506 of spray printing and the blind hole 302 abundant sintering curings of filling.
Fig. 7 shows another embodiment of laser drilling system 103.As shown in Figure 7, laser drilling system 103 comprises: laser instrument 701, speculum 703, speculum 704, speculum 705, speculum 706, field lens 707, Y workbench 709 and X workbench 710.Laser instrument 701 emitted laser bundles 702 are injected field lens 707 through speculum 703,704,705 and 706, because the focussing force of field lens 707, the laser beam 708 that penetrates from field lens 707 focuses on the band material 101.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; those of ordinary skills can be under the situation that does not break away from inventive concept; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (10)
1. flexible print wiring board multistation sprayed printed system comprises:
Feeding system provides the band material of making flexible print wiring board to each process sequence, wherein on the band material plastic-substrates is set;
Laser drilling system forms hole and the positioning mark that is communicated with the two sides circuit on plastic-substrates;
The spray printing Circuits System, after this laser drilling system, the spray printing metallic ink is filled this hole to form the conducting line to form circuit on plastic-substrates;
The sintering curing system after this spray printing Circuits System, heats this spray printing Circuits System circuit that spray printing forms on plastic-substrates and conducting line so that circuit and conducting line solidify;
Control system is controlled the automatic working cycle of this feeding system, this laser drilling system, this spray printing Circuits System and this sintering curing system.
2. flexible print wiring board multistation sprayed printed system according to claim 1 is characterized in that this feeding system further comprises:
Unwinding device is positioned at this flexible print wiring board multistation sprayed printed system foremost, comprises unreeling reel and magnetic powder brake;
Wrap-up is positioned at the rearmost end of this flexible print wiring board multistation sprayed printed system, comprises winding drum and rolling traction electric machine;
Tension control system between this unwinding device and this wrap-up, comprises dancer, at least two sensors, damper, feeding roller, measuring roll, cylinder and at least two controllers, and the constant tension of retainer belt material is constant.
3. flexible print wiring board multistation sprayed printed system according to claim 2 is characterized in that this tension control system further comprises:
The one-level tenslator, be positioned at the front end of this tension control system, form by this magnetic powder brake, this dancer, this first sensor, this first controller and this damper, realize tension force control and adjustment by controlling this braking moment that unreels reel;
The secondary tenslator is positioned at the rear end of this tension control system, is made up of this feeding roller, this measuring roll, this second controller, those cylinders and this second sensor, and the speed of service by control band material realizes tension force control and adjusts.
4. flexible print wiring board multistation sprayed printed system according to claim 1 is characterized in that this laser drilling system further comprises:
Laser instrument is positioned at this laser drilling system foremost;
Optical scan vibration lens is positioned on the output light path of this laser instrument, is made up of to scanning galvanometer to scanning galvanometer and Y X;
Speculum is positioned on the output light path of this laser instrument, is made up of to speculum to speculum and Y X;
Field lens is positioned at the rearmost end of the light path of this laser drilling system;
The first vacuum suction platform is positioned at the below that band is expected.
5. flexible print wiring board multistation sprayed printed system according to claim 1 is characterized in that this laser drilling system further comprises:
Laser instrument is positioned at this laser drilling system foremost;
The polylith speculum is positioned on the output light path of this laser instrument;
Field lens is positioned at the rearmost end of the light path of this laser drilling system;
X to workbench and Y to workbench, between this laser instrument and this field lens.
6. flexible print wiring board multistation sprayed printed system according to claim 1 is characterized in that, this spray printing Circuits System further comprises:
The piezoelectric type shower nozzle,, comprise piezoelectric ceramic piece, barrier film, cavity volume and a plurality of nozzle;
Ink feeding system is positioned at the leading portion of this piezoelectric type shower nozzle, comprises China ink bottle, ink supply pump, filter and print cartridge;
The second vacuum suction platform is positioned at the below of this piezoelectric type shower nozzle;
The positioning mark camera system is positioned at the top of this second vacuum suction platform.
7. flexible print wiring board multistation sprayed printed system according to claim 6 is characterized in that, this piezoelectric type shower nozzle is the same circuit of multi-pass spray printing.
8. flexible print wiring board multistation sprayed printed system according to claim 6 is characterized in that the ink of storing in this print cartridge is the nano metal ink.
9. flexible print wiring board multistation sprayed printed system according to claim 1 is characterized in that, this sintering curing system further comprises:
The sintering curing stove is positioned at the rear end of this spray printing Circuits System;
Heater is positioned at this sintering curing stove, comprises infrared generator and power supply;
The guide roller is positioned at this sintering curing stove, and guiding enters the band material in the sintering curing stove.
10. flexible print wiring board multistation sprayed printed system according to claim 9 is characterized in that this sintering curing stove and accessory has the body of heater of tunnel type.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010594839 CN102161261A (en) | 2010-12-18 | 2010-12-18 | Multi-station jet-printing system of flexible printed circuit board |
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| CN 201010594839 CN102161261A (en) | 2010-12-18 | 2010-12-18 | Multi-station jet-printing system of flexible printed circuit board |
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| CN103862838A (en) * | 2013-07-17 | 2014-06-18 | 昆山双特科技有限公司 | PCB (printed circuit board) printing all-in-one machine |
| CN104802530A (en) * | 2015-04-16 | 2015-07-29 | 苏州盛达织带有限公司 | Ribbon production marking machine having drilling function |
| WO2015143748A1 (en) * | 2014-03-27 | 2015-10-01 | 华中科技大学 | Multifunctional electrofluid inkjet printing system and method |
| CN105538721A (en) * | 2016-01-26 | 2016-05-04 | 西安电子科技大学 | Three-dimensional printing device and method for printing conductive pattern on folded hook surface |
| CN105711268A (en) * | 2015-01-30 | 2016-06-29 | 佛山市智巢电子科技有限公司 | Nanometer silver line circuit spray printing system and technology |
| CN106413274A (en) * | 2016-06-20 | 2017-02-15 | 徐进 | Anti-welding and character integration jet printing system of printed circuit board |
| CN107643742A (en) * | 2017-09-26 | 2018-01-30 | 厦门集信实科技有限公司 | The system of printed circuit holding retrospect |
| CN107956164A (en) * | 2017-10-09 | 2018-04-24 | 杭州宏华数码科技股份有限公司 | A kind of plain net for being used for block fabric and digital joint printing method |
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| CN110641146A (en) * | 2019-11-06 | 2020-01-03 | 江苏上达电子有限公司 | Process for improving poor ink seepage in COF ink printing |
| CN110744212A (en) * | 2019-09-30 | 2020-02-04 | 武汉大学 | Device for conducting laser drilling on FPC (flexible printed circuit) |
| CN112622454A (en) * | 2020-12-20 | 2021-04-09 | 宋中秋 | Intelligent manufacturing package mark spray printing equipment |
| CN113263605A (en) * | 2015-06-29 | 2021-08-17 | 康宁股份有限公司 | Production line, method, and sintered product |
| WO2022120763A1 (en) * | 2020-12-10 | 2022-06-16 | 中国科学院深圳先进技术研究院 | Pipeline equipment for digitalized manufacturing of inks and components of flexible and printed electronics |
| US11577427B2 (en) | 2015-06-29 | 2023-02-14 | Corning Incorporated | Manufacturing system, process, article, and furnace |
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