CN106476270B - Liquid-jet device - Google Patents
Liquid-jet device Download PDFInfo
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- CN106476270B CN106476270B CN201510516478.4A CN201510516478A CN106476270B CN 106476270 B CN106476270 B CN 106476270B CN 201510516478 A CN201510516478 A CN 201510516478A CN 106476270 B CN106476270 B CN 106476270B
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- liquid
- jet device
- liquid substance
- droplet generator
- heating layer
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Abstract
The present invention includes an at least container, at least a hydrojet chip and back pressure adjustment mechanism about a kind of liquid-jet device；Container has jet orifice plate and multiple droplet generators to accommodate liquid substance, the bottom that hydrojet chip is set to, and jet orifice plate has multiple spray orifices, and each spray orifice is corresponding with a droplet generator, and each droplet generator has heating layer；Back pressure adjustment mechanism is set in container；When droplet generator is driven, liquid substance flow to hydrojet chip, and heating layer is also driven to be heated to 0 to 500 degree Celsius, forms vaporization bubble by a part of liquid substance of heating layer, is sprayed with elapsing remaining liquid substance by spray orifice；When droplet generator is not driven, back pressure adjustment mechanism maintains the negative pressure in container and leak the liquid substance will not.
Description
[technical field]
The present invention relates to a kind of liquid-jet device, espespecially a kind of liquid-jet device suitable for three-dimensional rapidform machine.
[background technique]
3D printing (3D Printing) forming technique, also known as rapid shaping (Rapid Prrototyping, RP) skill
Art, because rapid shaping technique have it is automatic, direct and quick, design philosophy accurately can be changed into the original with certain function
Type can manufacture the part or finished product directly used, so as to quickly be assessed product design, modification and function test,
The development cycle of product is greatly shortened, so that 3D printing forming technique is by favor.
In right rapid shaping technique, have a kind of glue spray printing curing powder molding (Color-Jet Printing, CJP, or
Claim Binder Jetting) technology, because having the liquid-jet device of spray printing glue and color ink, used liquid-jet device is only
The specific glue of simple ejection or color ink, therefore its used liquid-jet device and the common spray printing of general printing equipment
Black casket has no difference.
Therefore for the industry of current 3 D-printing forming technique device, the technical bottleneck faced be as
What develop it is a kind of can in response to hydrojet 3 D-printing forming technique and arrange in pairs or groups that it uses a variety of different formed substances, example
Such as: high molecular material, biological tissue's material, edibility material ... or being further installed with a variety of color inks
Jet printing appts, and need to more regulate and control temperature appropriate in response to different moulding materials, it can be in the situation for not destroying moulding material
Lower progress 3 D-printing operations for forming.
In view of this, how to develop a kind of liquid-jet device for being applied more broadly in 3 D-printing forming technique, actually mesh
Preceding problem in the urgent need to address.
[summary of the invention]
A kind of spray high the main purpose of the present invention is to provide application and that temperature adjustment can be carried out in response to unlike material
Liquid device, in order to the technical bottleneck that can solve to be faced in known 3 D-printing forming technique.
In order to achieve the above object, a broader state sample implementation of the invention is to provide a kind of liquid-jet device, include: at least one holds
Device, to accommodate liquid substance；An at least hydrojet chip, is set to the bottom of an at least container, and each hydrojet chip has spray orifice
Plate and multiple droplet generators have multiple spray orifices in jet orifice plate, and each spray orifice is corresponding with one of droplet generator, and
Each droplet generator all has heating layer；And back pressure adjustment mechanism, it is set in an at least container；When droplet generator by
When driving, liquid substance flow to an at least hydrojet chip, and heating layer is also driven to heat, make the temperature of heating layer between 0 to
500 degrees Celsius, and make to form vaporization bubble by a part of liquid substance of heating layer, vaporization bubble elapses remaining liquids
Matter is sprayed by each spray orifice；When droplet generator is not driven, back pressure adjustment mechanism maintains the negative pressure in an at least container
It and leak the liquid substance will not.
In order to achieve the above object, another broader state sample implementation of the invention is a kind of liquid-jet device, include: at least one holds
Device, to accommodate liquid substance；An at least hydrojet chip, is set to the bottom of an at least container, and each hydrojet chip has a spray
Plate and multiple droplet generators have multiple spray orifices in jet orifice plate, and each one of droplet generator of the spray orifice is corresponding, and
Each drop generator all has heating layer；And back pressure adjustment mechanism, this is set to in a container；When droplet generator by
When driving, which flow at least hydrojet chip, and heating layer is also driven to heat, make the temperature of heating layer between 0 to
500 degrees Celsius, so that liquid substance is sprayed by thermal expansion by each spray orifice；When droplet generator is not driven, back pressure tune
Complete machine structure maintains the negative pressure in an at least container and leak the liquid substance will not.
[Detailed description of the invention]
Figure 1A is liquid-jet device schematic diagram of the invention.
Figure 1B is the bottom substance schematic diagram of liquid-jet device shown in figure 1A.
Fig. 2 is the schematic diagram that liquid-jet device shown in figure 1A is applied to a 3 D-printing forming technique.
Fig. 3 is the structural schematic diagram of the hydrojet chip of liquid-jet device shown in figure 1A.
Fig. 4 is that liquid-jet device of the invention adopts the back pressure adjustment mechanism schematic diagram with foam.
Fig. 5 is that liquid-jet device of the invention adopts the back pressure adjustment mechanism schematic diagram with airbag.
Fig. 6 is that liquid-jet device of the invention adopts the back pressure adjustment mechanism schematic diagram with airbag combination elastic slice.
[symbol description]
1,3,4；5: liquid-jet device
10,30,40,50: body
11,31,41,51: hydrojet chip
110: droplet generator
110a: heating layer
111: jet orifice plate
111a: spray orifice
12,32,42,52: back pressure adjustment mechanism
13,33,43,53: liquid substance
14: soft board
2: three-dimensionally shaped object
20: moulded tray
400,500: stomata
520: airbag
521: elastic element
522: pressing plate
[specific embodiment]
The some exemplary embodiments for embodying feature of present invention and advantage will describe in detail in the explanation of back segment.It should be understood that
It is that the present invention there can be various variations in different aspects, neither departs from the scope of the present invention, and explanation therein
And diagram inherently is illustrated as being used, and nand architecture is in the limitation present invention.
Please refer to Figure 1A, Figure 1B, Fig. 2 and Fig. 3, wherein Figure 1A is liquid-jet device schematic diagram of the invention, Tu1BWei
The bottom substance schematic diagram of liquid-jet device shown in figure 1A, Fig. 2 be liquid-jet device shown in figure 1A be applied to a 3 D-printing at
Type technology schematic diagram, Fig. 3 are the hydrojet chip structure schematic diagram of liquid-jet device shown in figure 1A.In this present embodiment, hydrojet fills
Setting 1 is applied in a 3 D-printing forming technique device, and but not limited to this, and liquid-jet device 1 includes an at least container, extremely
A few hydrojet chip 11 and a back pressure adjustment mechanism 12.
By taking the present embodiment as an example, which is that can be but not be limited to a body 10, to accommodate a liquid substance 13,
An at least hydrojet chip 11 is set to the bottom of body 10, and there is jet orifice plate 111 (as shown in Figure 3) and multiple drops to generate
Device 110 (as shown in Figure 3), has multiple spray orifice 111a (as shown in Figure 3) in the jet orifice plate 111, each spray orifice 111a and wherein
One droplet generator 110 is corresponding, and each droplet generator 110 all has a heating layer 110a (as shown in Figure 3).
And the back pressure adjustment mechanism 12 is to be set in body 10, to maintain the negative pressure in body 10, promotes this
Liquid substance 13 is circulated at the hydrojet chip 11, and when the hydrojet chip 11 is not driven, the liquid substance 13 can be prevented
It leak into except liquid-jet device 1.
In this way, the liquid substance 13 circulates at the hydrojet chip 11 when the droplet generator 110 is driven, should add
Thermosphere 110a is heated because being driven signal, makes the temperature of heating layer 110a between 0 to 500 degree Celsius, and makes the liquids
Matter 13 is sprayed by each spray orifice 111a；When droplet generator 110 is not driven, back pressure adjustment mechanism 12 is then maintained in body 10
Negative pressure so that the liquid substance 13 does not leak to except the liquid-jet device 1.
In this present embodiment, body 10 can by but it is unlimited by metal material, plastic cement material, plastic cement coat metal material
At least one of material is constituted.And the hydrojet chip 11 also can be but not be limited to thermal vapor bubble type hydrojet chip, piezoelectric type
At least one of hydrojet chip of hydrojet chip and micro electronmechanical (MEMS) processing procedure manufacture hydrojet chip.
And as shown in Figure 1B, the body 10 of the present embodiment can more have a soft board 14, and but not limited to this, and soft board
14 be set on the one side of body 10 and extend to the bottom of body 10, and with the hydrojet core that is set to 10 bottom of body
Piece 11 is connected, and the soft board 14 is when device is driven instruction, it is possible to provide the droplet generator 110 being connected on the hydrojet chip 11
The control power supply and driving signal of (as shown in Figure 3), and then make the heating layer in the droplet generator 110 of the hydrojet chip 11
110a excited target is heated, and the negotiable droplet generator via the hydrojet chip 11 of liquid substance in the body 10 is promoted
Spray orifice 111a corresponding to 110 sprays；And can as shown in Fig. 2, through liquid-jet device 1 persistently to the liquid substance 13 in body 10 into
The heating of row proper temperature sprays, and is stacked in the ejection of liquid substance 13 on one moulded tray 20, and then go out one with stacked in multi-layers
Three-dimensionally shaped object 2.
It please continue refering to Fig. 3, as shown, each hydrojet chip 11 of liquid-jet device 1 all has multiple droplet generators
110 and jet orifice plate 111, droplet generator 110 be with multilayered structure, and can be as previously mentioned, the driving provided by soft board 14 be believed
Number to be driven, and each droplet generator 110 all has a heating layer 110a, when droplet generator 110 obtains driving letter
After number, heating layer 110a be with excitation to be heated, and the difference of the temperature of heating layer 110a according to driving signal can be made
To be heated to different temperatures, and the temperature is between 0 to 500 degree Celsius.
For example, if the liquid substance 13 being installed in body 10 is a water droplet, when heating layer 110a is driven signal
Driving, and 100 degrees Celsius are heated to, so that partial water droplet can be vaporized to form vaporization bubble.
However, if the liquid substance 13 being installed in body 10 be a tissue of biological cells liquid and at least one it is low-boiling can vapour
Change the liquid substance 13 of the constituted mixing of liquid, then heating layer 110a is driven the driving of signal, and is heated only to 30~40 and takes the photograph
When family name spends so that at least one it is low-boiling can gasifying liquid steeped by thermosetting boil-off gas, but the tissue of biological cells liquid can
At a temperature of this maintain activity without being damaged, by this it is low-boiling can gasifying liquid can elapse remaining liquid substance 13,
That is, vaporization elapses the tissue of biological cells liquid and is sprayed by the spray orifice.Thus i.e. it is understood that heating layer 110a's of the invention adds
Hot temperature is can to appoint Shi Bianhua by different liquid substances 13, is not limited thereto.In some embodiments, the biological cell
Tissue fluid is obtained using an autogenous cell mass propgation, or by the histocyte of a self organ or the biology of a connective tissue
Substrate is constituted, and is not limited thereto.
In addition to these aforementioned state sample implementations, the liquid substance 13 being installed in liquid-jet device 1 more can be but not be limited to structure
At the thermoplastic macromolecule material of three-dimensionally shaped object.
For example, if the liquid substance 13 is a thermoplastic macromolecule material, when droplet generator 110 is driven
When, which can be circulated at the hydrojet chip 11, and heating layer 110a is also driven excitation and is heated, and make
The temperature of heating layer 110a is between 0 to 500 degree Celsius, so that the thermoplastic macromolecule material is by thermal expansion, by each
Spray orifice 111a sprays.
In this present embodiment, which is that can be but not be limited to plastic material and backing material, citing
For, thermoplastic macromolecule material is gathered comprising a polyvinyl chloride, a polyethylene, a polystyrene, a polyurethanes, one
Amide, a polyformaldehyde, a cellulosic plastics, a polytetrafluoroethylene (PTFE), a polyimides, a polyphenylene sulfide, a polycarbonate are extremely
It is or mixtures thereof one of few, using as plastic material, but not limited to this, or is, the thermoplastic macromolecule material
Being may include a polylactic acid (PLA), an acrylonitrile-butadiene-styrene (ABS) (ABS), a butadiene-styrene (BS), one third
Alkene nitrile-styrene (AS), a nylon (Nylon), a nylon 6, a nylon66 fiber, a polymethyl methacrylate (PMMA), a chlorine
Change polyethylene (CPE), an esters of acrylic acid (ACR), a nitrocellulose, an ethyl cellulose, a cellulose acetate, one poly- pair
Polyethylene terephthalate (PETE or PET), a polyvinyl chloride (PVC), polypropylene (PP), polybutyl terapthalate (PBT),
Modify or mixtures thereof at least one of polychloride dimethyl benzene (m-PPE), using as backing material, but not as
Limit.
The liquid substance 13 so no matter being installed in the body 10 of liquid-jet device 1 be can vaporize generate the water for vaporizing bubble or
Be other it is low-boiling can gasifying liquid biological tissue liquid thermoplastic macromolecule material or other are edible
Liquid substance etc. must maintain the negative pressure in body 10 through the back pressure adjustment mechanism 12 being arranged in body 10, so
One, when the droplet generator 110 on hydrojet chip 11 is not driven, then it can pass through back pressure adjustment mechanism 12 to adjust body
Negative pressure in 10, and then leak to liquid substance 13 will not except the liquid-jet device 1.
Referring to Fig. 4, it adopts the back pressure adjustment mechanism schematic diagram with foam for liquid-jet device of the invention.In the present embodiment
In, liquid-jet device 3 is equally applicable in a 3 D-printing forming technique device, and but not limited to this, and liquid-jet device 3 includes extremely
Few a container, at least a hydrojet chip 31 and back pressure adjustment mechanism 32.Similar with previous embodiment, at least a container also may be used for this
For but be not limited to body 30, to accommodate liquid substance 33, and the structure of hydrojet chip 31, setting position, its work after being driven
Flowing mode is similar with previous embodiment, therefore repeats no more it in this.Only in this present embodiment, as shown, liquid-jet device 3
Back pressure adjustment mechanism 32 is set in body 30, and the back pressure adjustment mechanism is a porous absorption material, may be, for example, a foam,
To maintain the negative pressure in body 30, so that liquid substance 33 will not be let out in the state that the hydrojet chip 31 is not driven
Leakage.
Referring to Fig. 5, it adopts the back pressure adjustment mechanism schematic diagram with airbag for liquid-jet device of the invention.In the present embodiment
In, liquid-jet device 4 can be applied in a 3 D-printing molding machine, and but not limited to this, and liquid-jet device 4 holds comprising at least one
Device, at least a hydrojet chip 41 and back pressure adjustment mechanism 42.Similar with previous embodiment, which also can be but not
Be limited to body 40, to accommodate liquid substance 43, and the structure of hydrojet chip 41, setting position, its be driven after make flowing mode
It is similar with previous embodiment, therefore it is repeated no more in this.Only in this present embodiment, as shown, the back pressure tune of liquid-jet device 4
Complete machine structure 42 is for an airbag, and the airbag is set within body 40, and is connected with the stomata 400 of 40 top of body, is used
To import in airbag outside air through stomata 400, and it can pass through the expansion and contraction of airbag, and then to adjust body 40
Internal pressure, and the negative pressure in body 40 can be maintained, so that the liquid substance 43 is not driven in the hydrojet chip 41
In the state of will not leak.
Referring to Fig. 6, it adopts the back pressure adjustment mechanism schematic diagram with airbag combination elastic slice for liquid-jet device of the invention.In
In the present embodiment, liquid-jet device 5 is similarly applied in a 3 D-printing molding machine, and but not limited to this, and liquid-jet device 5 is also
Include an at least container, at least a hydrojet chip 51 and back pressure adjustment mechanism 52.Similar with these aforementioned embodiments, this is at least
One container also can be but not be limited to body 50, to accommodate liquid substance 53, and the structure of hydrojet chip 51, setting position, its by
After driving to make flowing mode similar with these aforementioned embodiments, therefore repeat no more it in this.Only in this present embodiment, as schemed institute
Showing, the back pressure adjustment mechanism 52 of liquid-jet device 5 is the component to be made of airbag 520 and elastic slice component, in this present embodiment,
Elastic slice component includes a pressing plate 522 and elastic element 521, and elastic element 521 can be but not be limited to the elastic slice or spring of tool elasticity
Deng pressing plate 522 is connect with elastic element 521 on one side, and another side is then inconsistent with airbag 520, and airbag 520 is and body 50
The stomata 500 of top is connected, to import in airbag 520 outside air through stomata 500, when outside air penetrates gas
When hole 500 enters airbag 520,520 volume expansion of airbag and the pressing plate 522 for pushing 520 side of airbag, at this time by being connected to pressure
The elastic reaction of the elastic element 521 of plate 522 can control the expansion of airbag 520 and the degree shunk, and then to adjust body 50
Interior pressure, in some embodiments, the quantity of airbag 520 can be but not be limited to multiple, 521 institute of pressing plate 522 and elastic element
The quantity of the elastic slice component of composition also can be two, to be resisted against the two opposite sides of airbag 520 respectively, therefore the airbag 520 and elastic slice
The quantity of component is can to adjust according to actual demand, is not limited with quantity above-mentioned.Similarly, in this present embodiment, through gas
The expansion and contraction of bag 520, and then the internal pressure of adjustable body 50, so that liquid substance 53 is not driven in hydrojet chip 51
It will not be leaked in the state of dynamic.
In conclusion liquid-jet device of the invention, can be widely used in 3 D-printing molding machine, through being set to hydrojet
The hydrojet chip of bottom of device, and then the liquid substance in portion, can be by droplet generator when circulating in hydrojet chip in the inner
Heating layer, in response to unlike material liquid substance to carry out temperature adjustment, with by spray orifice spray unlike material liquid substance,
In addition to this, through the back pressure adjustment mechanism inside liquid-jet device, and then the negative pressure inside liquid-jet device can be maintained, makes hydrojet
When chip is not driven, liquid substance will not generate leakage, provide not only can broader applications liquid-jet device, while it is more sharp
In popularization three-dimensional printing technology, and make three-dimensional printing technology more popularization.
The present invention appointed as person familiar with the technology apply craftsman think and be it is all as modify, it is so neither de- to apply for a patent model as attached
Enclose be intended to Protector.
Claims (11)
1. a kind of liquid-jet device, includes:
An at least container, to accommodate a liquid substance；
An at least hydrojet chip, is set to the bottom of an at least container, and each hydrojet chip has a jet orifice plate and multiple
Droplet generator has multiple spray orifices in the jet orifice plate, and each spray orifice is corresponding with one of them droplet generator, and often
One droplet generator all has a heating layer；And
One back pressure adjustment mechanism is set in an at least container；
When the droplet generator is driven, which flow to an at least hydrojet chip, the heating layer be also driven with
Heating, makes the temperature of the heating layer between 0 to 500 degree Celsius, and form the liquid substance by a part of the heating layer
One vaporization bubble, the vaporization bubble elapse remaining liquid substance and are sprayed by each spray orifice；When the droplet generator not by
When driving, which maintains the negative pressure in an at least container and leak the liquid substance will not.
2. liquid-jet device as described in claim 1, which is characterized in that the liquid substance is a water droplet, when the heating layer is driven
Dynamic when being heated to 100 degrees Celsius or more, a part of water droplet forms the vaporization bubble, which elapses remaining water droplet
It is sprayed by each spray orifice.
3. liquid-jet device as described in claim 1, which is characterized in that the liquid substance is for a tissue of biological cells liquid and at least
One it is low-boiling can the constituted mixing of gasifying liquid liquid substance, be heated to 30~40 degrees Celsius when the heating layer is driven
When, at least one it is low-boiling can gasifying liquid i.e. by the thermosetting vaporization bubble, and the vaporization bubble elapses the biology carefully
Born of the same parents' tissue fluid is sprayed by each spray orifice.
4. liquid-jet device as claimed in claim 3, which is characterized in that the tissue of biological cells liquid is big using an autogenous cell
Amount is cultivated and is obtained, or is made of the biological base material of the histocyte of a self organ or a connective tissue.
5. a kind of liquid-jet device, includes:
An at least container, to accommodate a liquid substance；
An at least hydrojet chip, is set to the bottom of an at least container, and each hydrojet chip has a jet orifice plate and multiple
Droplet generator has multiple spray orifices in the jet orifice plate, and each spray orifice is corresponding with one of them droplet generator, and often
One droplet generator all has a heating layer；And
Back pressure adjustment mechanism is set in an at least container；
When the droplet generator is driven, which flow to an at least hydrojet chip, the heating layer be also driven with
Heating, makes the temperature of the heating layer between 0 to 500 degree Celsius, so that the liquid substance is sprayed by thermal expansion by each spray orifice
Out；When the droplet generator is not driven, which maintains the negative pressure in an at least container and makes this
Liquid substance will not leak.
6. liquid-jet device as claimed in claim 5, which is characterized in that the liquid substance is an at least thermal plastic high polymer material
Material, and the thermoplastic macromolecule material is a polyvinyl chloride, a polyethylene, a polystyrene, a polyurethanes, a polyamides
Amine, a polyformaldehyde, a cellulosic plastics, a polytetrafluoroethylene (PTFE), a polyimides, a polyphenylene sulfide, a polycarbonate are at least
Or mixtures thereof one of them.
7. liquid-jet device as claimed in claim 5, which is characterized in that the liquid substance is an at least thermal plastic high polymer material
Material, and the thermoplastic macromolecule material is a polylactic acid (PLA), an acrylonitrile-butadiene-styrene (ABS) (ABS), a fourth two
Alkene-styrene (BS), an acrylonitrile-styrene (AS), a nylon (Nylon), a nylon 6, a nylon66 fiber, a poly- methyl-prop
E pioic acid methyl ester (PMMA), monochlor(in)ate polyethylene (CPE), a cellulose acetate, a polyethylene terephthalate (PETE or
PET), a polyvinyl chloride (PVC), polypropylene (PP), polybutyl terapthalate (PBT), the polychloride dimethyl benzene (m- of modification
PPE or mixtures thereof) at least one.
8. liquid-jet device as claimed in claim 1 or 5, which is characterized in that the back pressure adjustment mechanism is a porous absorption material,
The porous absorption material is a foamed cotton.
9. liquid-jet device as claimed in claim 1 or 5, which is characterized in that the back pressure adjustment mechanism is an airbag.
10. liquid-jet device as claimed in claim 1 or 5, which is characterized in that the back pressure adjustment mechanism is an airbag and shrapnel group
The component of part composition.
11. liquid-jet device as claimed in claim 1 or 5, which is characterized in that an at least hydrojet chip is connected to a soft board, with
The control power supply and driving signal of multiple droplet generator are provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516478.4A CN106476270B (en) | 2015-08-21 | 2015-08-21 | Liquid-jet device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510516478.4A CN106476270B (en) | 2015-08-21 | 2015-08-21 | Liquid-jet device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106476270A CN106476270A (en) | 2017-03-08 |
| CN106476270B true CN106476270B (en) | 2019-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510516478.4A Expired - Fee Related CN106476270B (en) | 2015-08-21 | 2015-08-21 | Liquid-jet device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019070262A1 (en) | 2017-10-05 | 2019-04-11 | Hewlett-Packard Development Company, L.P. | Supply containers with alignment components |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467112A (en) * | 1992-06-19 | 1995-11-14 | Hitachi Koki Co., Ltd. | Liquid droplet ejecting apparatus |
| TW200520970A (en) * | 2003-12-17 | 2005-07-01 | Ind Tech Res Inst | Inkjet printhead and manufacturing method thereof |
| CN1990246A (en) * | 2005-12-30 | 2007-07-04 | 研能科技股份有限公司 | Ink jet head structure |
| CN100457459C (en) * | 2004-06-17 | 2009-02-04 | 三星电子株式会社 | Inkjet head and methods of fabricating and exchanging the same |
| CN104552949A (en) * | 2014-12-29 | 2015-04-29 | 陈名乔 | High-speed printing head of 3D printer |
-
2015
- 2015-08-21 CN CN201510516478.4A patent/CN106476270B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5467112A (en) * | 1992-06-19 | 1995-11-14 | Hitachi Koki Co., Ltd. | Liquid droplet ejecting apparatus |
| TW200520970A (en) * | 2003-12-17 | 2005-07-01 | Ind Tech Res Inst | Inkjet printhead and manufacturing method thereof |
| CN100457459C (en) * | 2004-06-17 | 2009-02-04 | 三星电子株式会社 | Inkjet head and methods of fabricating and exchanging the same |
| CN1990246A (en) * | 2005-12-30 | 2007-07-04 | 研能科技股份有限公司 | Ink jet head structure |
| CN104552949A (en) * | 2014-12-29 | 2015-04-29 | 陈名乔 | High-speed printing head of 3D printer |
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| Publication number | Publication date |
|---|---|
| CN106476270A (en) | 2017-03-08 |
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