CN106733459B - A kind of replaceable micro-fluidic dispensing spool - Google Patents
A kind of replaceable micro-fluidic dispensing spool Download PDFInfo
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- CN106733459B CN106733459B CN201611239551.9A CN201611239551A CN106733459B CN 106733459 B CN106733459 B CN 106733459B CN 201611239551 A CN201611239551 A CN 201611239551A CN 106733459 B CN106733459 B CN 106733459B
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- glue
- spool
- gas circuit
- air inlet
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C5/00—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
- B05C5/02—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
- B05C5/0225—Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work characterised by flow controlling means, e.g. valves, located proximate the outlet
- B05C5/0237—Fluid actuated valves
Abstract
The present invention discloses a kind of replaceable micro-fluidic dispensing spool, belongs to automated assembly technology field, and spool is " ten " word cylindrical structure, and vertical direction is main valve plug, and horizontal direction is auxiliary spool.Main valve plug center is perforative Jiao Lu, for injecting colloid;Auxiliary spool center is perforative gas circuit, for spraying gas;Jiao Lu intersects with gas circuit to be connected to, and the gas sprayed in gas circuit can cut off the glue flowed in glue road.The spool of glue dispensing valve uses PMMA material or plastics, can be replaced according to required glue drop volume for dispensing glue, cheap, easy to operate, by matching the cooperation of make and break glue air pressure using the lateral channel in micro-fluidic chip, but realizes the dispensing operation of small glue drop.
Description
Technical field
The invention belongs to automated assembly technology fields, are related to automatic dropping glue equipment, especially a kind of replaceable miniflow
Control dispensing spool.
Background technique
Spraying type dispensing valve eliminates the displacement institute of point glue equipment in the Z-axis direction for the contactless dispensing technology of representative
With the time, therefore dispensing efficiency is substantially increased, traditional spraying type dispensing valve is real in such a way that striker cooperates inlet duct
The injection of existing adhesive.The technical information such as Publication No. of visible injecting type glue valve gear in disclosed Chinese patent literature
A kind of spraying type dispensing valve disclosed in CN201008812Y.However due to the diameter very little of spray head, it is small to be difficult to realize high viscosity
The dispensing operation of glue drop;Furthermore the shock of striker and spray head can generate noise, and will cause contact of the firing pin head with spray head
Partial deformation and consumption, influences consistency for dispensing glue, since striker and spray head belong to hard high-strength part, in accurate point
The spray orifice size of spray head is very small when glue, and cost is high, processing difficulties, and is easy blocking, it is difficult to clear up.
Summary of the invention
The technical problem to be solved by the present invention is provide it is a kind of cheap, it is readily replaceable, and can be realized high viscosity glue
The dispensing spool of the micro glue dropping point glue liquid separation of stick.
Technical scheme is as follows:
A kind of replaceable micro-fluidic dispensing spool, the spool are " ten " word cylindrical structure, and vertical direction is main valve plug,
Horizontal direction is auxiliary spool.Main valve plug center is perforative Jiao Lu, for injecting colloid;Auxiliary spool center is perforative gas
Road, for spraying gas;Jiao Lu intersects with gas circuit to be connected to, and the gas sprayed in gas circuit can cut the glue flowed in glue road
It is disconnected.
The top on main valve core rubber road is syringe connector, is connect for spool with injection of glue liquid device interface;Glue Lu Yiqi
Road is that boundary is divided into two sections, upper section Jiao Lu and lower section Jiao Lu.Upper section Jiao Lu is funnel hole, is closed up in gas circuit;Lower section Jiao Lu is cylinder
Through-hole, pore size are identical as the lower end aperture of funnel hole.The difference of granularity is dripped according to used glue viscosity and glue, on
The taper design of the road Duan Jiao funnel hole is series of values, while lower section glue road through-hole diameter is also series of values.
Auxiliary spool gas circuit is followed successively by air inlet connector, air inlet section, air outlet section according to the sequencing that gas passes through and goes out
Gas connector, air inlet section and air outlet section are using Jiao Lu as boundary.For installing air inlet connections, outlet connector is used for air inlet connector
Gas outlet connector is installed.Air inlet section and air outlet section all have two kinds of structures, and isometrical through-hole and diameter bore, diameter bore close up
In Jiao Lu.Gas circuit is respectively provided with following structure type: A type: air inlet connector, isometrical air inlet section, isometrical air outlet section and outlet connect
Interface;Type B: air inlet connector, variable diameter air inlet section, variable diameter air outlet section and outlet connector;C-type: air inlet connector, variable diameter air inlet
Section, isometrical air outlet section.
When selecting the spool of c-type gas circuit, the mounting plane center of right valve barrel is equipped with electromagnetic valve of gas circuit, and isometrical air outlet section is opened
Mouth is connected to electromagnetic valve of gas circuit, and the on-off of electromagnetic valve of gas circuit may be implemented isometrical air outlet section and switch on and off with external.
According to the viscosity of glue selected by glue road and speed for dispensing glue, selected from A, B, c-type gas circuit spool.
The selection of Jiao Lu:
When glue viscosity is greater than 10000cps, it is 1:5 that glue road funnel hole, which selects taper,;
When glue viscosity is greater than 3000cps and is less than 10000cps, it is 1:10 that glue road funnel hole, which selects taper,;
When glue viscosity is less than 3000cps, it is 1:18 that glue road funnel hole, which selects taper,.
The selection of gas circuit:
When dispensing speed is greater than 350mm/s, gas circuit selects c-type;
When dispensing speed is greater than 100mm/s and is less than 350mm/s, gas circuit selects Type B;
When dispensing speed is less than 100mm/s, gas circuit selects A type.
According to the selection situation of above-mentioned Jiao Lu and gas circuit, spool has 9 kinds of structures altogether.
Above-mentioned replaceable micro-fluidic dispensing spool is mountable in special glue dispensing valve, and the glue dispensing valve is by valve body, gas
Pipeline connector composition.Wherein valve body is tiled configuration, is divided into left valve barrel and right valve barrel;Gas path joint has two types, air inlet
Connector and gas outlet connector.
Left valve barrel main body is semicylinder, and upper surface is positioning plane, and lower end is half-conical, semicylinder center be through
The cylinder through slot in left valve barrel axle center;Square mounting plane is designed on the cylindrical surface of left valve barrel, and mounting plane is vertical with semicylinder
Plane is parallel;At four corner locations of mounting plane, there is threaded connection hole to connect right valve barrel for fastener;In mounting plane
The heart, which has, runs through left valve barrel radial through-hole.
Right valve barrel structure is identical as left valve barrel structure.
Application method:
(1) according to glue viscosity and dispensing speed, suitable performance parameter spool is selected from 9 kinds of structure valve cores;
(2) auxiliary spool protrudes into the radial through-hole of left valve barrel and right valve barrel, while main valve plug is located at left valve barrel and right valve barrel
In spliced centered cylinder through slot;
(3) fastening bolt is used, being fixedly connected for left valve barrel and right valve barrel is realized by the threaded connection hole of mounting plane,
And spool is fixed in valve body center;
(4) if selecting A type or Type B gas circuit spool, auxiliary spool air inlet connector installs air inlet connections, outlet connection
Mouth installation gas outlet connector;
If selecting c-type gas circuit spool, auxiliary spool air inlet connector installs air inlet connections, and gas circuit is installed in air outlet section port
Solenoid valve;
(5) syringe connector is connect with injection of glue liquid device interface (not shown), air inlet connections and air inlet pipe (figure
In be not shown) connection, gas outlet connector connect with escape pipe (not shown), and electromagnetic valve of gas circuit (is schemed with solenoid valve controller
In be not shown) connection, air inlet pipe, escape pipe are connect with gas feeding controller (not shown) respectively;
(6) control of injection of glue liquid device enters adhesive liquid quantity and glue flowing velocity in glue road, gas feeding controller control
Gas circuit air inlet and the time of exhaust, frequency, air pressure processed, the instantaneous high pressure gas in air inlet section pass through Jiao Lu from air outlet section exclude from
And Jiao Lu is cut off, realize glue dropping point glue.
Gas circuit control program in use process:
A type or Type B gas circuit spool: Jiao Lu leads to during glue, and air inlet section and air outlet section are passed through pressure maintaining air pressure, prevent
Glue penetrates into gas circuit;When needing to cut off glue road, air inlet section inflates to form hyperbaric environment, and air outlet section is evacuated to form subnormal ambient, and
Time and the pressure of strict control inflation and pumping, realize the glue in instantaneous trip glue road;In glue road after glue cutting, at once
Pressure maintaining air pressure is passed through to air inlet section and air outlet section.
C-type gas circuit spool: Jiao Lu leads to during glue, and air inlet section is passed through pressure maintaining air pressure, the gas circuit in air outlet section exit
Solenoid valve is closed, and prevents glue from penetrating into gas circuit;When needing to cut off glue road, air inlet section inflates to form hyperbaric environment, electromagnetic valve of gas circuit
It opens, controls time and the pressure of inflation, and ensure to inflate and open while carrying out with electromagnetic valve of gas circuit, realize instantaneous trip Jiao Lu
In glue;In glue road after glue cutting, it is passed through pressure maintaining air pressure to air inlet section at once, while electromagnetic valve of gas circuit being closed.
The invention has the advantages that:
(1) it is somebody's turn to do the glue dispensing valve based on micro-fluidic chip, the micro-fluidic of different size channels can be replaced according to actual needs
PMMA material can be used in chip, the micro-fluidic chip, imprints to form required channel dimensions by ultrasonic wave, cheap, behaviour
Facilitate;
(2) glue dispensing valve based on micro-fluidic chip is sprayed adhesive using air pump, and the Z axis for avoiding glue dispensing valve moves
It is dynamic, improve dispensing efficiency;
(3) by matching the cooperation of make and break glue air pressure using the lateral channel in micro-fluidic chip, but small glue drop is realized
Dispensing operation;
(4) glue dispensing valve based on micro-fluidic chip has hot miscellaneous function, can heat to adhesive, to drop
Low adhesive viscosity, fit through ultrasonic wave imprint the micro-dimension channel to be formed can be realized it is higher viscous in prior art basis
Spend the dispensing of adhesive;
(5), the micro-fluidic chip imprints the serrated helicoid shape in the channel to be formed with micro-dimension by ultrasonic wave
Glue fin is led, colloid may be implemented and successfully imported into Jiao Luzhong.
Detailed description of the invention
Fig. 1 glue dispensing valve structural schematic diagram.
Fig. 2 left valve barrel structural schematic diagram.
Fig. 3 glue dispensing valve sectional view.
Fig. 4 A type gas circuit valve core section figure.
Fig. 5 Type B gas circuit valve core section figure.
Fig. 6 c-type gas circuit valve core section figure.
Fig. 7 c-type gas circuit spool installs sectional view.
In figure: 1 left valve barrel;2 right valve barrels;3 spools;4 air inlet connections;5 gas outlet connectors;11 mounting planes;12 positioning
Plane;13 cylinder through slots;14 radial through-hole;30 valve cores;31 syringe connectors;32 upper section Jiao Lu;33 lower section Jiao Lu;34 into
Gas connector;35 isometrical air inlet sections;36 isometrical air outlet sections;37 outlet connectors;351 variable diameter air inlet sections;361 variable diameter air outlet sections;
51 electromagnetic valve of gas circuit.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
A kind of replaceable micro-fluidic dispensing spool, the spool 3 are " ten " word cylindrical structure, and vertical direction is main valve
Core, horizontal direction are auxiliary spool.Main valve plug center is perforative Jiao Lu, for injecting colloid;Auxiliary spool center be through
Gas circuit, for spraying gas;Jiao Lu intersects with gas circuit to be connected to, the glue that the gas sprayed in gas circuit can will flow in glue road
Cutting.
The top on main valve core rubber road is syringe connector, is connect for spool 3 with injection of glue liquid device interface;Glue Lu Yiqi
Road is that boundary is divided into two sections, upper section glue road 32 and lower section glue road 33.Upper section glue road 32 is funnel hole, is closed up in gas circuit;Lower section Jiao Lu
33 be cylindrical hole, and pore size is identical as the lower end aperture of funnel hole.Granularity is dripped according to used glue viscosity and glue
Difference, the taper design of upper section glue road funnel hole is series of values, while lower section glue road through-hole diameter is also series of values.
Auxiliary spool gas circuit according to the sequencing that gas passes through be followed successively by air inlet connector 34, air inlet section, air outlet section and
Outlet connector 37, air inlet section and air outlet section are using Jiao Lu as boundary.Air inlet connector 34 connects for installing air inlet connections 3, outlet
Interface 37 is for installing gas outlet connector 5.Air inlet section and air outlet section all have two kinds of structures, isometrical through-hole and diameter bore, become
Diameter through-hole closes up in Jiao Lu.Gas circuit is respectively provided with following structure type: A type: air inlet connector 34, isometrical air inlet section 35, etc.
Diameter air outlet section 36 and outlet connector 37;Type B: air inlet connector 34, variable diameter air inlet section 351, variable diameter air outlet section 361 and outlet connect
Interface 37;C-type: air inlet connector 34, variable diameter air inlet section 351, isometrical air outlet section 36.
When selecting the spool of c-type gas circuit, the mounting plane center of right valve barrel is equipped with electromagnetic valve of gas circuit 51, isometrical air outlet section
Opening 36 is connected to electromagnetic valve of gas circuit 51, and the on-off of electromagnetic valve of gas circuit 51 may be implemented isometrical air outlet section and connect on and off with external
It opens.
According to the viscosity of glue selected by glue road and speed for dispensing glue, selected from A, B, c-type gas circuit spool.
The selection of Jiao Lu:
When glue viscosity is greater than 10000cps, it is 1:5 that glue road funnel hole, which selects taper,;
When glue viscosity is greater than 3000cps and is less than 10000cps, it is 1:10 that glue road funnel hole, which selects taper,;
When glue viscosity is less than 3000cps, it is 1:18 that glue road funnel hole, which selects taper,.
The selection of gas circuit:
When dispensing speed is greater than 350mm/s, gas circuit selects c-type;
When dispensing speed is greater than 100mm/s and is less than 350mm/s, gas circuit selects Type B;
When dispensing speed is less than 100mm/s, gas circuit selects A type.
According to the selection situation of above-mentioned Jiao Lu and gas circuit, spool has 9 kinds of structures altogether.
Above-mentioned replaceable micro-fluidic dispensing spool is mountable in special glue dispensing valve, and the glue dispensing valve is by valve body, gas
Pipeline connector composition.Wherein valve body is tiled configuration, is divided into left valve barrel 1 and right valve barrel 2;Gas path joint has two types, air inlet
Mouth connector 4 and gas outlet connector 5.
1 main body of left valve barrel is semicylinder, and upper surface is positioning plane, and lower end is half-conical, and semicylinder center is to pass through
Wear the cylinder through slot 13 in left valve barrel axle center;Design square mounting plane, mounting plane and semicylinder in the cylindrical surface of left valve barrel 1
Perpendicular is parallel;At four corner locations of mounting plane, there is threaded connection hole to connect right valve barrel for fastener;Installation is flat
Face center, which has, runs through left valve barrel radial through-hole 14.
2 structure of right valve barrel is identical as 1 structure of left valve barrel.
Application method:
(1) according to glue viscosity and dispensing speed, suitable performance parameter spool 3 is selected from 9 kinds of structure valve cores 3;
(2) auxiliary spool protrudes into the radial through-hole 14 of left valve barrel 1 and right valve barrel 2, while main valve plug is located at left valve barrel 1 and the right side
In the spliced centered cylinder through slot 13 of valve body 2;
(3) fastening bolt is used, realizes that left valve barrel 1 and the fixed of right valve barrel 2 connect by the threaded connection hole of mounting plane
It connects, and spool 3 is fixed in valve body center;
(4) if selecting A type or Type B gas circuit spool 3, auxiliary spool air inlet connector 34 installs air inlet connections 4, outlet
Connector 37 installs gas outlet connector 5;
If selecting c-type gas circuit spool, auxiliary spool air inlet connector 34 installs air inlet connections 4, and air outlet section port 37 is pacified
Fill electromagnetic valve of gas circuit 51;
(5) syringe connector is connect with injection of glue liquid device interface (not shown), air inlet connections 4 and air inlet pipe
(not shown) connection, gas outlet connector 5 are connect with escape pipe (not shown), electromagnetic valve of gas circuit 51 and solenoid valve control
The connection of device (not shown), air inlet pipe, escape pipe are connect with gas feeding controller (not shown) respectively;
(6) control of injection of glue liquid device enters adhesive liquid quantity and glue flowing velocity in glue road, gas feeding controller control
Gas circuit air inlet and the time of exhaust, frequency, air pressure processed, the instantaneous high pressure gas in air inlet section pass through Jiao Lu from air outlet section exclude from
And Jiao Lu is cut off, realize glue dropping point glue.
Gas circuit control program in use process:
A type or Type B gas circuit spool: Jiao Lu leads to during glue, and air inlet section and air outlet section are passed through pressure maintaining air pressure, prevent
Glue penetrates into gas circuit;When needing to cut off glue road, air inlet section inflates to form hyperbaric environment, and air outlet section is evacuated to form subnormal ambient, and
Time and the pressure of strict control inflation and pumping, realize the glue in instantaneous trip glue road;In glue road after glue cutting, at once
Pressure maintaining air pressure is passed through to air inlet section and air outlet section.
C-type gas circuit spool: Jiao Lu leads to during glue, and air inlet section is passed through pressure maintaining air pressure, the gas circuit in air outlet section exit
Solenoid valve is closed, and prevents glue from penetrating into gas circuit;When needing to cut off glue road, air inlet section inflates to form hyperbaric environment, electromagnetic valve of gas circuit
It opens, controls time and the pressure of inflation, and ensure to inflate and open while carrying out with electromagnetic valve of gas circuit, realize instantaneous trip Jiao Lu
In glue;In glue road after glue cutting, it is passed through pressure maintaining air pressure to air inlet section at once, while electromagnetic valve of gas circuit being closed.
The glue dispensing valve based on micro-fluidic chip can replace the micro-fluidic core of different size channels according to actual needs
PMMA material can be used in piece, the micro-fluidic chip, imprints to form required channel dimensions by ultrasonic wave, and micro-fluidic chip passes through
What ultrasonic wave imprinted the serrated helicoid shape in the channel to be formed with micro-dimension leads glue fin, and colloid may be implemented and successfully imported into
In glue road.
Embodiment described above is only that embodiments of the present invention are described, not to design of the invention and
Range is defined.Without departing from the design concept of the invention, ordinary people in the field is to technical solution of the present invention
The all variations and modifications made, should all drop into protection scope of the present invention, the scope of the present invention by appended claims and
It is not that above description limits, it is intended that all changes that come within the meaning and range of equivalency of the claims are included
In the present invention, any reference signs in the claims should not be construed as limiting the involved claims.
Claims (4)
1. a kind of replaceable micro-fluidic dispensing spool, is made of, it is characterised in that wherein spool (3) spool (3), gas path joint
For " ten " word cylindrical structure, vertical direction is main valve plug, and horizontal direction is auxiliary spool, and main valve plug center is perforative Jiao Lu,
For injecting colloid;Auxiliary spool center is perforative gas circuit, for spraying gas;Jiao Lu intersects with gas circuit to be connected to, in gas circuit
The gas of injection can cut off the glue flowed in glue road, and the top on main valve core rubber road is syringe connector, be used for spool
(3) it is connect with injection of glue liquid device interface;Jiao Lu is divided into two sections using gas circuit as boundary, upper section Jiao Lu (32) and lower section Jiao Lu (33), on
The road Duan Jiao (32) is funnel hole, is closed up in gas circuit;Lower section Jiao Lu (33) is cylindrical hole, the lower stomidium of pore size and funnel hole
Diameter is identical, is series according to used glue viscosity and the difference of glue drop granularity, the taper design of upper section glue road funnel hole
Value, while lower section glue road through-hole diameter is also series of values, auxiliary spool gas circuit according to the sequencing that gas passes through be followed successively by into
Gas connector (34), air inlet section, air outlet section and outlet connector (37), air inlet section and air outlet section are using Jiao Lu as boundary, air inlet connection
Mouth (34) is for installing air inlet connections (4), and outlet connector (37) is for installing gas outlet connector (5), air inlet section and outlet
Section all has two kinds of structures, isometrical through-hole and diameter bore, and diameter bore closes up in Jiao Lu, and spool uses PMMA material, leads to
It crosses ultrasonic wave to imprint to form required channel dimensions, the serrated helicoid shape in channel with micro-dimension leads glue fin, and above-mentioned spool can
To select spool according to the viscosity of glue and speed for dispensing glue.
2. the replaceable micro-fluidic dispensing spool of one kind according to claim 1, the gas circuit arrangement is air inlet company
Interface (34), isometrical air inlet section (35), isometrical air outlet section (36) and outlet connector (37) are set gradually.
3. the replaceable micro-fluidic dispensing spool of one kind according to claim 1, the gas circuit arrangement is air inlet company
Interface (34), variable diameter air inlet section (351), variable diameter air outlet section (361) and outlet connector (37) are set gradually.
4. the replaceable micro-fluidic dispensing spool of one kind according to claim 1, the gas circuit arrangement is air inlet company
Interface (34), variable diameter air inlet section (351), isometrical air outlet section (36) are set gradually, and the mounting plane center of right valve barrel is equipped with gas
Way solenoid valve (51), isometrical air outlet section (36) opening are connected to electromagnetic valve of gas circuit (51), and the on-off of electromagnetic valve of gas circuit (51) can be with
Realize that isometrical air outlet section is switched on and off with external.
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CN201611239551.9A CN106733459B (en) | 2016-12-28 | 2016-12-28 | A kind of replaceable micro-fluidic dispensing spool |
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CN201611239551.9A CN106733459B (en) | 2016-12-28 | 2016-12-28 | A kind of replaceable micro-fluidic dispensing spool |
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CN103013824A (en) * | 2012-12-21 | 2013-04-03 | 复旦大学 | Proteolysis micro-fluidic chip based on silica gel oxidized graphene composite membrane and fabrication method of proteolysis micro-fluidic chip |
CN103752358A (en) * | 2014-01-23 | 2014-04-30 | 西南科技大学 | Polymer micro-fluidic chip and preparation method thereof |
CN104888875A (en) * | 2015-07-01 | 2015-09-09 | 北京工业大学 | Lower wall specified position movable micro-fluidic chip based on microchannel |
CN105351166A (en) * | 2010-09-14 | 2016-02-24 | 彭兴跃 | Structure of micro device of microfluidic chip series |
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JP5248847B2 (en) * | 2006-12-15 | 2013-07-31 | 國立台灣大學 | Micropatch coating method |
WO2011037435A2 (en) * | 2009-09-28 | 2011-03-31 | 한국생명공학연구원 | Composition for forming a pattern for a nano-/microfluidic channel, and apparatus for forming a pattern using same |
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Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101765502A (en) * | 2007-07-03 | 2010-06-30 | 伊斯曼柯达公司 | Continuous inkjet drop generation device |
CN105351166A (en) * | 2010-09-14 | 2016-02-24 | 彭兴跃 | Structure of micro device of microfluidic chip series |
CN103013824A (en) * | 2012-12-21 | 2013-04-03 | 复旦大学 | Proteolysis micro-fluidic chip based on silica gel oxidized graphene composite membrane and fabrication method of proteolysis micro-fluidic chip |
CN103752358A (en) * | 2014-01-23 | 2014-04-30 | 西南科技大学 | Polymer micro-fluidic chip and preparation method thereof |
CN104888875A (en) * | 2015-07-01 | 2015-09-09 | 北京工业大学 | Lower wall specified position movable micro-fluidic chip based on microchannel |
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