CN104118222B - Liquid metal needle type printing equipment and printing method - Google Patents
Liquid metal needle type printing equipment and printing method Download PDFInfo
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- CN104118222B CN104118222B CN201310150185.XA CN201310150185A CN104118222B CN 104118222 B CN104118222 B CN 104118222B CN 201310150185 A CN201310150185 A CN 201310150185A CN 104118222 B CN104118222 B CN 104118222B
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- 238000007639 printing Methods 0.000 title claims abstract description 111
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 89
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- 238000012544 monitoring process Methods 0.000 claims abstract description 5
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- Accessory Devices And Overall Control Thereof (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention relates to the field of printed circuit and printed electronic device manufacturing, in particular to liquid metal needle type printing equipment and a printing method. Liquid metal stylus printing apparatus comprising: control circuit means for controlling the liquid metal printing mechanism; a liquid metal printing mechanism for executing the instructions of the control circuit means to effect different movements of the internal components; and the printing equipment state sensor is used for monitoring the state of the printing equipment. The liquid metal needle type printing equipment and the printing method provided by the invention solve the problems of complex manufacturing procedure, large material and energy consumption, relatively high environmental pollution and the like of an integrated circuit or an electronic device, and obtain a corresponding very good technical effect.
Description
Technical field
The present invention relates to printed circuit and printed electronic device fabrication arts, particularly a kind of liquid metal stylus printing equipment and Method of printing.
Background technology
Integrated circuit is the new micro electronic unit of one or device that grow up the sixties in last century, and it makes electronic devices and components stride forward major step towards miniaturization, low-power consumption and high reliability aspect.It is through the main process for machining and manufacturing such as oxidation, photoetching, diffusion, extension, sputtering, vacuum moulding machine, the electronic components such as the transistor, diode, resistance, electric capacity and the inductance that form needed for the circuit with certain function and the connection wire between them are all integrated on a fritter silicon chip, then weld the electronic device be encapsulated in a shell.But in the last few years, the drawback of integrated circuit was cognitive gradually, comprised manufacturing process complexity, high energy consumption, high pollution, high cost, high-cleanness requirement etc.Its main cause is that traditional integrated circuit manufacturing technology is that one deletes technology, its manufacturing process needs to consume a large amount of raw material, water resource, the energy etc., and part processing technology must complete in toilet, this needs to consume a large amount of energy and the pollution that can bring external environment condition.
If integrated circuit and even electronic device can adopt adding technique to make in the mode of directly printing, then be expected to realize integrated circuit height to manufacture efficiently, thus the present situation of significantly change electronics and related industries, until build up efficient, low cost, the circuit of greenization and device production pattern.
For a change above-mentioned present situation, researcher proposes organic or polymer conductor ink in the recent period and directly prints.But the electric conductivity of this kind of material is general relatively poor, and solubilize and impressionability exist some problems; For obtaining better solubilize, researchers realize printable conductive ink by adding high conductivity nano particle in organic or polymer then, but it still just has, and preparing process is complicated, resistivity is high, wire is formed needs shortcoming such as realizing by certain chemical reaction, device formation solidification temperature is high, and the metals such as existing high temperature scolding tin receive very big restriction on a flexible substrate.Actual manufacture process needs first to print, then make that this kind of ink evaporates by high temperature more than hundreds of degree, chemical reaction and even sintering, could the lower required conductor part of last deposition, therefore whole technique still suitable complexity.In a word, up to the present, domestic and international electronics industry circle not yet set up rapid and simple can by integrated circuit or electronic device directly with the produced instrument and supplies of mode of printing.
For this reason, the invention provides the technology adopting the direct print circuit of metal fluid pin type, the special low-melting-point metal ink introducing conduction, realize quick printing thus, and direct construction circuit and electronic device.But the surface tension of this type of liquid metal is usually comparatively large, adopts current conventional printing technique such as laser means prevailing not easily to implement.
Summary of the invention
(1) technical problem that will solve
The object of the present invention is to provide a kind of can by circuit and electronic device with the mode of directly printing produced liquid metal stylus printing equipment and Method of printing, to solve existing integrated circuit or electronic device fabrication schedule is complicated, material and the problem such as energy resource consumption is large, environmental pollution is relatively high.
(2) technical scheme
For solving the problem, the invention provides a kind of liquid metal stylus printing equipment, comprising: control circuit device, for controlling liquid metal printing machinery device; Liquid metal printing machinery device, for performing the instruction of described control circuit device to realize the different motion of each internals; Printing device state sensor, for monitoring the state of printing device.
Preferably, also comprise: the computer be connected with described control circuit device, described computer is for generating printing control instruction; Described control circuit device for receiving the printing control instruction of described computer, and controls described liquid metal printing machinery device according to described printing control instruction and described printing device state sensor carries out work.
Preferably, described liquid metal printing machinery device comprises: word car and transmission mechanism, for carrying needle type print head, and controls moving left and right of printhead; Print needle motion, goes out pin and narrowing action for what perform print needle, clashes into liquid metal colour band and print, to realize correct printing; Liquid metal ribbon cartridge mechanism, for loading liquid metal conductive ink, and in print procedure, printhead left, when moving right, drives liquid metal colour band to move in circles rotations, the position that change liquid metal colour band is clashed into by print needle simultaneously; Paper advance mechanism, for realizing vertically moving of printing substrate.
Preferably, described liquid metal ribbon cartridge mechanism comprises driving mechanism, colour band and liquid metal ink chamber.
Preferably, described liquid metal ink comprise low melting point liquid metal and alloy thereof, containing the liquid metal conductive ink of small amounts thing or magnetic nanoparticle, the nano-particle doped liquid of P type or N-type semiconductor ink or more three one or more.
Preferably, described liquid metal ink chamber comprises outlet scraping blade, heating wire and temperature sensor.
Preferably, the printing syringe needle of described print needle motion is 9 pins, 12 pins or 24 pins.
Preferably, described printer modes sensor comprises: initial position sensor, whether is parked in home position for detected words car; Whether paper is sensor to the greatest extent, use up for detecting filled printing substrate; Temperature sensor, for detecting liquid metal ink temperature in ribbon unit; Cover sensor, opens printer cover operation for detecting the exception printed.
Present invention also offers a kind of Method of printing using above-mentioned liquid metal stylus printing equipment, comprising: the electronic circuit pattern that design needs print, and generating structure print order; Described control circuit receives described printing control instruction, and controls the motion of each component in described printing machinery device according to described printing control instruction, realizes the printing of concrete electronic circuit.
(3) beneficial effect
The liquid metal stylus printing equipment for the manufacture of integrated circuit and electronic device that the present invention proposes, because introducing printable liquid metal conductive ink, makes circuit and electronic device directly can create in a kind of mode of printing.Preparation process under normal temperature or normal condition even normal office place can complete, it is without high environmental requirement, energy resource consumption and the invalid loss of material low, significantly can reduce complexity and the cost of integrated circuit and electronic device preparation technology, increase substantially its production efficiency.The liquid metal integrated circuit using the method to obtain and electronic device, can be widely used in electronics industry and manufacture field, especially develop flexible electronic function element, even reinvent integrated circuit electronic industry.
Accompanying drawing explanation
Fig. 1 is the structural representation of the electronic device liquid metal impact printer in the present invention;
Fig. 2 is the structural representation of word car and transmission mechanism in the present invention;
Fig. 3 is the structural representation that in the present invention, liquid metal prints syringe needle;
Fig. 4 is the structural representation of liquid metal ribbon cartridge mechanism in the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
The present invention proposes the liquid metal impact printer of a kind of direct printing liquid metal integrated circuit and electronic devices and components, described impact printer comprises control device, liquid metal printing machinery device and printer modes sensor, wherein:
Described control circuit device, for controlling described liquid metal printing machinery device;
Described liquid metal printing machinery device, for performing the instruction of described control circuit device to realize the different motion of each internals;
Described printer modes sensor, for some states of monitoring printer.
Above-mentioned control circuit device is the main control board be present on printer, is mainly used in controlling the complete machine of printer, carries out drived control by governor circuit to the printhead of printer, word car and drive motors etc.Its inside is primarily of CPU, RAM, ROM address decoder and I/O circuit composition, and the computer that can directly be connected with printer communicates.
Optionally, described device comprises the computer be connected with described governor circuit device further, and described computer is used for design and generating structure print order; Described control circuit for receiving the printing control instruction of described computer, and controls the motion of each component in described printing machinery device according to described printing control instruction.
The built-in print control program of above computer, possesses electric design automation function.Print control program comprises circuit diagram drafting module and printing process control module further; Circuit diagram drafting module is for drawing the structure chart of circuit and the electronic device that will print, and printing process control module generates printing control instruction according to described circuit diagram, and printing control instruction is sent to governor circuit.Its concrete function is described below:
Circuit diagram drafting module: the electronic component module database prestoring common in software, user can call this database in graphic interface, also can directly draw out various complicated circuit component module according to demand simultaneously.User must determine the size of each electronic devices and components and structure and material properties (as conducting metal ink or ink ductor etc.).
Printing process control module: software reads the circuit diagram that user draws, goes out pin according to different print Whats generation syringe needle and narrowing action directive realizes different printing effects.In addition, software also can monitor printing process in real time, can respond the warning that printing equipment sends in time, and feed back corresponding control instruction.As send when printer " ink " be finished warning or " substrate " be finished warning time, software can suspend printing in time, wait for user add substrate and change print cartridge.
Optionally, described liquid metal print machinery device mainly comprises word car and transmission mechanism, print needle motion, liquid metal ribbon cartridge mechanism, paper advance mechanism and printer modes sensor, wherein:
Described word car and transmission mechanism, for carrying needle type print head, and control moving left and right of printhead;
Described print needle motion, for perform print syringe needle go out pin and shortening action, impact liquid metal colour band prints, and ensures correct printing; Optionally, described printing syringe needle mainly metal needle, is mainly divided into 9 pins, 12 pins and 24 pins by the difference printing syringe needle number.9 pin printheads have row's vertical needle, and 12 pins and 24 pin printheads are then made up of the pin that two rows are staggered.It should be noted that general syringe needle is more, print quality is higher, and print speed is also faster.Print needle carries out pin and shortening two kinds of duties under the control of drive circuit.
Described liquid metal ribbon cartridge mechanism, for loading liquid metal conductive ink and colour band, and in print procedure, printhead left, when moving right, drive motors drives liquid metal colour band to move in circles rotations simultaneously, constantly changes the position that liquid metal colour band is clashed into by print needle, the uniform wear of guarantee colour band, extend the service life of liquid metal colour band, ensure printing effect.
Described paper advance mechanism, for realizing vertically moving of printing substrate.It matches to realize suprabasil printing with transmission mechanism and liquid metal ribbon cartridge mechanism with described word car.
Described printer modes sensor, for some running statuses of monitoring printer.
Optionally, printer modes sensor mainly comprises initial position sensor, paper sensor, temperature sensor, cover sensor to the greatest extent, wherein:
Whether described initial position sensor, be parked in home position for detected words car;
Whether described paper is sensor to the greatest extent, be finished for detecting filled printing substrate;
Described temperature sensor, for detecting liquid metal ink temperature in ribbon unit;
Described cover sensor, opens printer cover operation for detecting the exception printed.
Optionally, described liquid metal ink comprise low melting point liquid metal and alloy, liquid metal conductive ink, P type or N-type semiconductor ink containing small amounts thing or magnetic nanoparticle or three nano-particle doped liquid one or more etc.
Above-mentioned conductive metal ink comprise in gallium, gallium-indium alloy, gallium ashbury metal, indium stannum alloy, gallium-indium-tin alloy, gallium indium tin kirsite, gallium indium tin zinc bismuth alloy one or more; P type or N-type semiconductor ink comprise rubrene rubrene, pentacene pentacene, poly-3-hexyl thiophene P3HT, poly-3,3 '-dialkyl group connect in four thiophene PQT, poly-3 arylamine PTAA, ladder polymer BBL one or more;
Nano particle in above-mentioned doping liquid can select the platinum of particle diameter 1nm ~ 900nm, gold, silver, copper, iron, aluminium, antimony, bismuth, cadmium, germanium, nickel, rhodium, tantalum, lead, tungsten, rhenium, cobalt, gadolinium (wherein iron, nickel, cobalt, gadolinium etc. are magnetic material), constantan, tungsten-rhenium alloy, nickel-cadmium, CNT or Graphene, or select germanium sulfide particle, Germanium selenide particle, telluride germanium particle, bismuth indium particle, indium arsenide particle, indium antimonide particle, indium oxide particles, indium phosphide particle, GaAs particle, gallium phosphide particle, indium sulfide particle, indium selenide particle, indium tin oxide particles, telluride indium particle, particles of lead oxide, vulcanized lead particle, lead selenide particle, lead telluride particle, magnesium silicide particle, granules of stannic oxide, stannic chloride particle, artificial gold particle, stannic selenide particle, telluride tin particles, silver sulfide particle, silver selenide particle, silver telluride particle, tellurium oxide particle, Zinc oxide particles, arsenic zinc particle, zinc antimonide particle, zinc phosphide particle, zns particle, cadmium sulfide particle, boron oxide granule, zinc selenide particle or zinc telluridse particle etc.
Optionally, described liquid metal ribbon cartridge inwall is furnished with heating wire and thermocouple, for regulating and controlling the temperature of described liquid metal conductive ink, makes described electronic printing ink keep liquid.
Wherein, this printing substrate is printing paper or other flexible film substrate.
Patent of the present invention is further described below in conjunction with accompanying drawing and concrete embodiment.
Accompanying drawing 1 is the structural representation of liquid metal impact printer of the present invention, and this printer primary structure comprises: be built-in with the computer 1 of printing control software design, the control circuit board 2 being built in impact printer, ADF 3, air roll 4, gear train 5, base paper sensor 8, initial position sensor 9, liquid metal ribbon cartridge mechanism 7 and word car and transmission mechanism to the greatest extent.Wherein, control circuit board 2 is for the printing control instruction of receiving computer 1, and sensor 8, initial position sensor 9, liquid metal ribbon cartridge mechanism 7 and word car and transmission mechanism carry out coordinate operation to the greatest extent to control ADF 3, air roll 4, gear train 5, base paper according to described printing control instruction.ADF 3 and air roll 4 are for guiding and tile printed substrates.Gear train 5 is for making ADF 3 and air roll 4 routing motion.Whether base paper to the greatest extent sensor 8 and initial position sensor 9 is respectively used to detect printed substrates and uses up and whether word car is positioned at initial position.Liquid metal ribbon cartridge mechanism 7 for bearing metal ink and colour band and the shock accepting metallic print syringe needle to realize printing.Word car and transmission mechanism comprise word car 61, word car driving belt 62, guide rod 63 and metallic print syringe needle 64, and ribbon cartridge mechanism 7 and word car and transmission mechanism are the key mechanism of printer.
As shown in Figure 2, word car and transmission mechanism comprise word car 61, driving belt 62, guide rod 63.Word car is used for bearing metal and prints syringe needle 64, and driving belt 62 makes word car move back and forth, and transmission guide rod 63 is for the motion of guide word car.Liquid metal prints syringe needle 64 as shown in Figure 3 can be multiple, and comprise 9 pin 641,12 pin 642,24 pins 643,9 pin printheads have row's vertical needle, and 12 pins and 24 pin printheads are then made up of the pin that two rows are staggered.It should be noted that syringe needle is more, print quality is higher, and print speed is also faster, and user can according to the requirement choice for use printed.Print needle carries out pin and shortening two kinds of duties under the control of control circuit 2.As shown in Figure 4, ribbon cartridge mechanism 7 mainly comprises liquid metal ribbon cartridge 71, colour band drive shaft 72, liquid metal chamber 73, heating wire 74, temperature sensor 75, outlet scraping blade 76 and colour band 77.Colour band drive shaft 72 is rotated under the drive of drive motors, and then drives the motion of colour band 77.Colour band 77 can stick liquid metal ink when entering liquid metal chamber 73, then when entering outlet scraper 76, liquid metal can evenly be attached on colour band.Heating wire 74 and temperature sensor 75 match the temperature in regulation and control liquid metal chamber 73, make liquid metal ink keep liquid.
The printing process of above-mentioned liquid metal impact printer mainly comprises the following steps:
S1. the structure chart of the circuit that will print drawn according to user of computer 1 or electronic device, generates printing control instruction;
S2. control circuit device 2 is according to printing control instruction, controls print machinery device and each working sensor.By the control of control circuit 1 and mechanical device, ADF 3, liquid metal colour band 77, word car 61 and metallic print syringe needle 64 collaborative work.Final metallic print syringe needle 64 go out pin and the metal ink in colour band is printed on substrate by shortening campaign.
In step sl, user, by using the computer printing software possessing electric design automation function, draw out the circuit needed for oneself and electronic device structure figure, and generation prints control instruction accordingly.
In step s 2, user connects the circuit between computer and printer, calls printing control instruction, starts printing process.In printing process, metallic print syringe needle starts to perform out pin and purl two kinds of duties under drive circuit controls.It is emphasized that liquid metal colour band and printed substrates are at print needle with print between hectograph, print needle hit to print hectograph time, printing substrate just leaves print point.Meanwhile, ribbon unit rotates liquid metal colour band in good time, and paper advance mechanism vertically moves substrate in good time, and along with the movement of substrate, the impact of metallic print pin, namely completes required print job.
To be printed complete, user closes print routine by software, then cuts off device power supply (DPS), the stylus printing work of completing circuit or electronic device.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvement and replacement, these improve and replace and also should be considered as protection scope of the present invention.
Claims (9)
1. a liquid metal stylus printing equipment, is characterized in that, comprising:
Control circuit device, for controlling liquid metal printing machinery device;
Liquid metal printing machinery device, for performing the instruction of described control circuit device to realize the different motion of each internals;
Printing device state sensor, for monitoring the state of printing device.
2. printing device according to claim 1, is characterized in that, also comprises:
The computer be connected with described control circuit device, described computer is for generating printing control instruction;
Described control circuit device for receiving the printing control instruction of described computer, and controls described liquid metal printing machinery device according to described printing control instruction and described printing device state sensor carries out work.
3. printing device according to claim 1 and 2, is characterized in that, described liquid metal printing machinery device comprises:
Word car and transmission mechanism, for carrying needle type print head, and control moving left and right of printhead;
Print needle motion, goes out pin and narrowing action for what perform print needle, clashes into liquid metal colour band and print, to realize correct printing;
Liquid metal ribbon cartridge mechanism, for loading liquid metal conductive ink, and in print procedure, printhead left, when moving right, drives liquid metal colour band to move in circles rotations, the position that change liquid metal colour band is clashed into by print needle simultaneously;
Paper advance mechanism, for realizing vertically moving of printing substrate.
4. printing device according to claim 3, is characterized in that, described liquid metal ribbon cartridge mechanism comprises driving mechanism, liquid metal colour band and liquid metal ink chamber.
5. printing device according to claim 3, it is characterized in that, described liquid metal conductive ink comprise low melting point liquid metal and alloy thereof, containing the liquid metal conductive ink of small amounts thing or magnetic nanoparticle, the nano-particle doped liquid of P type or N-type semiconductor ink or more three one or more.
6. printing device according to claim 4, is characterized in that, described liquid metal ink chamber comprises outlet scraping blade, heating wire and temperature sensor.
7. printing device according to claim 3, is characterized in that, the printing syringe needle of described print needle motion is 9 pins, 12 pins or 24 pins.
8. printing device according to claim 1 and 2, is characterized in that, described printing device state sensor comprises:
Whether initial position sensor, be parked in home position for detected words car;
Whether paper is sensor to the greatest extent, use up for detecting filled printing substrate;
Temperature sensor, for detecting the temperature of liquid metal conductive ink in ribbon unit;
Cover sensor, opens printer cover operation for detecting the exception printed.
9. a Method of printing for the liquid metal stylus printing equipment according to any one of claim 1 ~ 8, is characterized in that, comprising:
Design needs the electronic circuit pattern printed, and generating structure print order;
Described control circuit device receives described printing control instruction, and controls the motion of each component in described printing machinery device according to described printing control instruction, realizes the printing of concrete electronic circuit.
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| CN105093568B (en) * | 2015-08-10 | 2018-07-03 | 京东方科技集团股份有限公司 | Display device and device, liquid metal material and prepare mold, method and apparatus |
| CN105855552B (en) * | 2016-04-05 | 2017-11-07 | 北京梦之墨科技有限公司 | Dip in the micro- spray formula liquid metal printing equipment of suction and Method of printing |
| CN105855551B (en) * | 2016-04-05 | 2017-11-07 | 北京梦之墨科技有限公司 | Inversion type liquid metal sprays printing equipment and Method of printing |
| CN105855540B (en) * | 2016-04-12 | 2017-10-17 | 北京梦之墨科技有限公司 | A kind of liquid metal printing device |
| CN106287294A (en) * | 2016-08-24 | 2017-01-04 | 北京梦之墨科技有限公司 | Light bar manufacturing system and the method utilizing this light bar manufacturing system making light bar |
| CN106550547A (en) * | 2016-10-17 | 2017-03-29 | 北京梦之墨科技有限公司 | A kind of printed circuit color printing apparatus, method and printed circuit |
| CN111326418A (en) * | 2018-12-17 | 2020-06-23 | 北京梦之墨科技有限公司 | Circuit manufacturing device |
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Application publication date: 20141029 Assignee: BEIJING DREAM INK TECHNOLOGIES Co.,Ltd. Assignor: Technical Institute of Physics and Chemistry Chinese Academy of Sciences Contract record no.: 2016990000417 Denomination of invention: Liquid metal needle-type printing device and printing method Granted publication date: 20160302 License type: Exclusive License Record date: 20161008 |
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