CN104118222A - Liquid metal needle-type printing device and printing method - Google Patents
Liquid metal needle-type printing device and printing method Download PDFInfo
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- CN104118222A CN104118222A CN201310150185.XA CN201310150185A CN104118222A CN 104118222 A CN104118222 A CN 104118222A CN 201310150185 A CN201310150185 A CN 201310150185A CN 104118222 A CN104118222 A CN 104118222A
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- 238000007639 printing Methods 0.000 title claims abstract description 116
- 229910001338 liquidmetal Inorganic materials 0.000 title claims abstract description 89
- 238000000034 method Methods 0.000 title claims abstract description 23
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- 238000012544 monitoring process Methods 0.000 claims abstract description 5
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000000758 substrate Substances 0.000 claims description 18
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- 238000001514 detection method Methods 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000002105 nanoparticle Substances 0.000 claims description 5
- 229910045601 alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 4
- 239000002122 magnetic nanoparticle Substances 0.000 claims description 3
- 230000008018 melting Effects 0.000 claims description 3
- 238000002844 melting Methods 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
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- 229910052751 metal Inorganic materials 0.000 description 14
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- 238000005516 engineering process Methods 0.000 description 7
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- 238000010586 diagram Methods 0.000 description 5
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
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- QIHHYQWNYKOHEV-UHFFFAOYSA-N 4-tert-butyl-3-nitrobenzoic acid Chemical compound CC(C)(C)C1=CC=C(C(O)=O)C=C1[N+]([O-])=O QIHHYQWNYKOHEV-UHFFFAOYSA-N 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
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- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention relates to the field of printed circuit boards and printed electronic device manufacturing, and particularly relates to a liquid metal needle-type printing device and a printing method. The liquid metal needle-type printing device comprises a control circuit device used for controlling a liquid metal printing machinery device, a liquid metal printing machinery device used for executing instructions of the control circuit device so as to realize different motions of each internal component, and a printing device state sensor used for monitoring the state of the printing device. The liquid metal needle-type printing device and the printing method solve the problems that the manufacturing process of an integrated circuit or an electronic device is complicated, material and energy consumption are large, environmental pollution is relatively high and the like, and excellent technical effects are obtained.
Description
Technical field
The present invention relates to printed circuit and printed electronic device and manufacture field, 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 the device growing 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 peroxidating, photoetching, diffusion, extension, sputter, vacuum moulding machine, formation is had to the electronic components such as the circuit of certain function required transistor, diode, resistance, electric capacity and inductance and the connection wire between them and be all integrated on a fritter silicon chip, then welding is encapsulated in an electronic device in shell.But in the last few years, the drawback of integrated circuit was gradually by cognition, comprise manufacturing process complexity, high energy consumption, high pollution, expensive, high-cleanness requirement etc.Its main cause is that traditional ic manufacturing technology is that one is deleted technology, its manufacturing process need to consume a large amount of raw material, water resource, the energy etc., and part processing technology must complete in toilet, the pollution that this need to consume a large amount of energy and can bring external environment condition.
If integrated circuit and even electronic device can adopt adding technique to make in the mode of directly printing, being expected to realize integrated circuit height manufactures efficiently, thereby significantly take on a new look the present situation of electronics and related industries, until build up circuit and the device production pattern of efficient, low cost, greenization.
For a change above-mentioned present situation, researcher has proposed in the recent period organic or polymer conductor ink and has directly printed.But the electric conductivity of this class material is generally relatively poor, and there is some problems in solubilize and impressionability; For obtaining better solubilize, researchers realize printable conductive ink by add high conductivity nano particle in organic or polymer then, but it still just has, and preparing process complexity, resistivity are high, wire forms need to be by certain shortcoming such as chemical reaction realization, device forming and hardening temperature height, and the metals such as existing high temperature scolding tin have been subject to very big restriction in flexible substrates.Actual manufacture process need to first be printed, then by high temperature more than hundreds of degree make that this class ink evaporates, chemical reaction and even sintering, could the lower required conductor part of last deposition, therefore still suitable complexity of whole technique.In a word, up to the present, both at home and abroad electronics industry circle not yet set up rapid and simple can be by integrated circuit or electronic device directly with the produced equipment of mode of printing and technique.
For this reason, the invention provides the technology that adopts the direct print circuit of metal fluid pin type, the special low-melting-point metal ink of introducing conduction, realizes quick printing thus, and direct construction circuit and electronic device.But the surface tension of this type of liquid metal is conventionally larger, adopt current conventional printing technique prevailing to implement as laser means is difficult.
Summary of the invention
(1) technical problem that will solve
The object of the present invention is to provide a kind of can be by circuit and electronic device mode produced liquid metal stylus printing equipment and the Method of printing directly to print, to solve the problems such as existing integrated circuit or electronic device fabrication schedule complexity, material and energy resource consumption are large, environmental pollution is relatively high.
(2) technical scheme
For addressing the above 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 the instruction of carrying out 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: with the computer that described control circuit device is connected, described computer is used for generating printing control instruction; Described control circuit device is used for receiving the printing control instruction of described computer, and carries out work according to liquid metal printing machinery device described in the control of described printing control instruction and described printing device state sensor.
Preferably, 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, for carrying out going out pin and narrowing and move of print needle, clashes into liquid metal colour band and prints, to realize correct printing; Liquid metal ribbon cartridge mechanism, for loading liquid metal conductive ink, and in print procedure, printhead left, while moving right, drives rotations that simultaneously move in circles of liquid metal colour band, changes liquid metal colour band and be printed the position of pin shock; 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 one or more of liquid metal conductive ink, P type or N-type semiconductor ink or the above three's of a small amount of oxide or magnetic nanoparticle nano-particle doped liquid.
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: whether initial position sensor, be parked in home position for detection of word car; Whether paper is sensor to the greatest extent, use up for detection of filled printing substrate; Temperature sensor, for detection of liquid metal ink temperature in ribbon unit; Cover sensor, operates for detection of the printer cover of extremely opening of printing.
The present invention also provides a kind of Method of printing that uses above-mentioned liquid metal stylus printing equipment, comprising: the electronic circuit pattern that design needs are printed, and generating structure print order; Described control circuit receives described printing control instruction, and according to the motion of each member in printing machinery device described in the control of 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 having introduced printable liquid metal conductive ink, can directly create in a kind of mode of printing circuit and electronic device.Preparation process even common office space under normal temperature or normal condition can complete, it is without high environmental requirement, the invalid loss of energy resource consumption and material is low, can significantly reduce integrated circuit and electronic device preparation technology's complexity and cost, increases substantially its production efficiency.The liquid metal integrated circuit and the electronic device that use the method to obtain, can be widely used in electronics industry and manufacture field, especially develops flexible electronic function element, even reinvents integrated circuit electronic industry.
Brief description of the drawings
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 is printed 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 are used for illustrating the present invention, but are not used for limiting the scope of the invention.
The liquid metal impact printer that the present invention proposes 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 the instruction of carrying out 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 being present on printer, is mainly used in the complete machine of printer to control, and printhead, word car and drive motors etc. by governor circuit to printer drive control.Its internal main will be by CPU, RAM, ROM address decoder and I/O the electric circuit constitute, and the computer that can directly be connected with printer communicates.
Optionally, described device further comprises the computer being connected with described governor circuit device, and described computer is for design generating structure print order; Described control circuit is used for receiving the printing control instruction of described computer, and according to the motion of each member in printing machinery device described in the control of described printing control instruction.
Above-mentioned built-in computer print control program, possesses electric design automation function.Print control program further comprises circuit diagram drafting module and printing process control module; Circuit diagram drafting module is for drawing the circuit that will print and the structure chart of electronic device, and printing process control module generates and prints 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 that prestores common in software, user can call this database in graphic interface, also can directly draw out according to demand various complicated circuit component modules simultaneously.User must determine size and structure and the material properties (as conducting metal ink or ink ductor etc.) of each electronic devices and components.
Printing process control module: software reads the circuit diagram that user draws, goes out pin according to different print What generation syringe needles and realizes different printing effects with narrowing action directive.In addition, software also can be monitored printing process in real time, can respond in time the warning that printing equipment sends, and feeds back corresponding control instruction.Be finished warning or " substrate " is finished when warning as sent " ink " when printer, software can suspend printing in time, waits for user add substrate and changes 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 carry out print syringe needle go out pin and shortening action, impact liquid metal colour band and print, and ensure correct printing; Optionally, described printing syringe needle is mainly metal needle, is mainly divided into 9 pins, 12 pins and 24 pins by the difference of printing syringe needle number.9 pin printheads have row's vertical needle, and 12 pins and 24 pin printheads are made up of the staggered pin of two rows.It should be noted that general syringe needle is more, print quality is higher, and print speed is also faster.Print needle goes out pin and two kinds of duties of shortening under the control of drive circuit.
Described liquid metal ribbon cartridge mechanism, be used for loading liquid metal conductive ink and colour band, and in print procedure, printhead left, while moving right, drive motors drives rotations that simultaneously move in circles of liquid metal colour band, constantly changes liquid metal colour band and is printed the position that pin clashes into, 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 described word car with transmission mechanism and liquid metal ribbon cartridge mechanism.
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 detection of word car;
Whether described paper is sensor to the greatest extent, be finished for detection of filled printing substrate;
Described temperature sensor, for detection of liquid metal ink temperature in ribbon unit;
Described cover sensor, operates for detection of the printer cover of extremely opening of printing.
Optionally, described liquid metal ink comprise low melting point liquid metal and alloy, containing liquid metal conductive ink, P type or N-type semiconductor ink or the three's of a small amount of oxide or magnetic nanoparticle nano-particle doped liquid one or more etc.
Above-mentioned conductive metal ink comprises one or more 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; P type or N-type semiconductor ink comprise rubrene rubrene, pentacene pentacene, poly-3-hexyl thiophene P3HT, gather 3, and 3 '-dialkyl group connects one or more in four thiophene PQT, poly-3 arylamine PTAA, ladder polymer BBL;
Nano particle in above-mentioned doping liquid can be selected platinum, gold, silver, copper, iron, aluminium, antimony, bismuth, cadmium, germanium, nickel, rhodium, tantalum, lead, tungsten, rhenium, cobalt, the gadolinium (wherein iron, nickel, cobalt, gadolinium etc. are magnetic material) of particle diameter 1nm～900nm, constantan, tungsten-rhenium alloy, nickel-cadmium, CNT or Graphene, or select germanium sulfide particle, Germanium selenide particle, tellurium germanium particle, bismuth indium particle, indium arsenide particle, indium antimonide particle, indium oxide particle, indium phosphide particle, GaAs particle, gallium phosphide particle, indium sulfide particle, indium selenide particle, indium tin oxide particles, tellurium 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, tellurium 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.
Further describe patent of the present invention 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 printing and control the computer 1 of software, the control circuit board 2 that is 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 according to described printing control instruction control ADF 3, air roll 4, gear train 5, base paper.ADF 3 and air roll 4 are for guiding and tiling printed substrates.Gear train 5 is for making ADF 3 and air roll 4 routing motions.Base paper to the greatest extent sensor 8 is respectively used to detect with initial position sensor 9 whether printed substrates is used up and whether word car is positioned at initial position.Liquid metal ribbon cartridge mechanism 7 for bearing metal ink and colour band and accept metal print syringe needle shock with realize print.Word car and transmission mechanism comprise word car 61, word car driving belt 62, guide rod 63 and metal printing 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 printed syringe needle 64 for bearing metal, and driving belt 62 moves back and forth word car, and transmission guide rod 63 is for the motion of guide word car.To print syringe needle 64 can be multiple to liquid metal as shown in Figure 3, comprises 9 pin 641,12 pin 642,24 pins 643, and 9 pin printheads have row's vertical needle, and 12 pins and 24 pin printheads are made up of the staggered pin of two rows.It should be noted that syringe needle is more, print quality is higher, and print speed is also faster, and user can be according to the choice for use that requires of printing.Print needle goes out pin and two kinds of duties of shortening 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.When colour band 77 enters liquid metal chamber 73, can stick liquid metal ink, then liquid metal can evenly be attached on colour band while entering outlet scraper 76.Heating wire 74 and temperature sensor 75 temperature in regulation and control liquid metal chamber 73 that matches, makes liquid metal ink keep liquid.
The printing process of above-mentioned liquid metal impact printer mainly comprises the following steps:
S1. the circuit that will print that computer 1 is drawn according to user or the structure chart of electronic device, generate printing control instruction;
S2. control circuit device 2, according to printing control instruction, is controlled 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 metal are printed syringe needle 64 collaborative works.Final metal print syringe needle 64 go out pin and shortening campaign is printed on the metal ink in colour band on substrate.
In step S1, user possesses the computer printing software of electric design automation function by use, draw out own required circuit and electronic device structure figure, and generates corresponding printing control instruction.
In step S2, user connects the circuit between computer and printer, calls printing control instruction, starts printing process.In printing process, metal is printed syringe needle and under drive circuit control, is started to carry out out pin and two kinds of duties of purl.Particularly point out, liquid metal colour band and printed substrates, between print needle and printing hectograph, in the time that print needle hits to printing hectograph, have just left print point on printing substrate.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, impacting of metal print needle, 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, do not departing under the prerequisite of the technology of the present invention principle; can also make some improvement and replacement, these improvement and replacement 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 the instruction of carrying out 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:
With the computer that described control circuit device is connected, described computer is used for generating printing control instruction;
Described control circuit device is used for receiving the printing control instruction of described computer, and carries out work according to liquid metal printing machinery device described in the control of described printing control instruction and described printing device state sensor.
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, for carrying out going out pin and narrowing and move of print needle, clashes into liquid metal colour band and prints, to realize correct printing;
Liquid metal ribbon cartridge mechanism, for loading liquid metal conductive ink, and in print procedure, printhead left, while moving right, drives rotations that simultaneously move in circles of liquid metal colour band, changes liquid metal colour band and be printed the position of pin shock;
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 ink comprises low melting point liquid metal and alloy thereof, containing one or more of liquid metal conductive ink, P type or N-type semiconductor ink or the above three's of a small amount of oxide or magnetic nanoparticle nano-particle doped liquid.
6. printing device according to claim 5, 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 printer modes sensor comprises:
Whether initial position sensor, be parked in home position for detection of word car;
Whether paper is sensor to the greatest extent, use up for detection of filled printing substrate;
Temperature sensor, for detection of liquid metal ink temperature in ribbon unit;
Cover sensor, operates for detection of the printer cover of extremely opening of printing.
9. according to a Method of printing for the liquid metal stylus printing equipment described in any one in claim 1～8, it is characterized in that, comprising:
Design needs the electronic circuit pattern of printing, and generating structure print order;
Described control circuit receives described printing control instruction, and according to the motion of each member in printing machinery device described in the control of described printing control instruction, realizes the printing of concrete electronic circuit.
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Application publication date: 20141029 Assignee: BEIJING DREAM INK TECHNOLOGIES Co.,Ltd. Assignor: TECHNICAL INSTITUTE OF PHYSICS AND CHEMISTRY OF THE 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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