CN1178787C - Integral ink-jet printhead and ink feeding method - Google Patents
Integral ink-jet printhead and ink feeding method Download PDFInfo
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- CN1178787C CN1178787C CNB011385561A CN01138556A CN1178787C CN 1178787 C CN1178787 C CN 1178787C CN B011385561 A CNB011385561 A CN B011385561A CN 01138556 A CN01138556 A CN 01138556A CN 1178787 C CN1178787 C CN 1178787C
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Abstract
The present invention provides an ink-jet print head and an ink-feeding method thereof. The ink-jet print head comprises a basal plate, a nozzle layer and a plurality of bubble generation members, wherein a plurality of first fluid cavities and a plurality of second fluid cavities are formed between the nozzle layer and the upper surface of the basal plate, and a central ink channel and an edge ink channel are formed at the inner side of the basal plate for conveying the ink to the fluid cavities. The present invention has the characteristic that the central ink channel and the edge ink channel are arranged on the basal plate simultaneously to increase the nozzle number in unit area of the ink-jet print head.
Description
Technical field
The present invention relates to a kind of ink jet-print head and ink supply method thereof, particularly relate to the ink jet-print head and the ink supply method thereof of high spray nozzle density of the edge ink runner of an a kind of central ink runner that includes a two-way transmission ink and an one-way transmission ink.
Background technology
Please refer to Fig. 1, Fig. 1 is the structural representation of existing ink jet-print head 10.The structure of ink jet-print head 10 is exposed in U.S. Pat 4,680,859 and US 4,683,481 in.Ink jet-print head 10 includes an ink runner 12 that is formed at a substrate 14 central authorities, its ink inside runner 12 can sandblast, laser cutting or etched mode are formed in the substrate 14, the both sides that are positioned at ink runner 12 on substrate 14 surfaces then respectively are provided with the heating resistor 16 that two rows are used for producing bubble, and a nozzle layer 18 is arranged on the substrate 14, nozzle layer 18 is formed with a plurality of nozzles 22, and each nozzle 22 is all corresponding with a heating resistor 16.The ink supply mode of ink jet-print head 10 is to the ink chamber 24 between nozzle layer 18 and the substrate 14 by the two-way supply ink in central ink channel 12 left and right sides, so that the ink in the heating resistor 16 heated ink hydroeciums 24 produces bubble, and then push out ink droplet 26 from nozzle 22.
Please refer to Fig. 2, Fig. 2 is the structural representation of another kind of existing ink jet-print head 30.Ink jet-print head 30 is exposed in U.S. Pat 5,278, in 584, ink jet-print head 30 includes an ink runner 32 that is formed between an ink cartridges shell 31 and the substrate 33, and an end of ink runner 32 diverges out two attached ink runners 34 in addition to supply a plurality of ink chamber 36 that ink to substrate 33 is arranged as two rows respectively.Wherein, each ink chamber 36 is all corresponding to a heating resistor 38.Heating resistor 38 also is to be used for ink in the heated ink hydroecium 36, so that the ejection of the ink in the ink chamber 36 forms ink droplet 42, so ink jet-print head 30 ink supply modes are to supply with ink to ink chamber 36 in the mode of both sides of the edge supply ink, pass through heating resistor 38 heating inks again to form ink droplet 42.
Please refer to Fig. 3, Fig. 3 is the nozzle distribution schematic diagram of the third existing ink jet-print head 50.Ink jet-print head 50 is exposed in U.S. Pat 6,010, in 208.Ink jet-print head 50 respectively is provided with two rows' nozzles 54 in the both sides of its ink menifold 52, and ink menifold 52 can with ink toward about two sides be supplied to nozzle 54 pairing ink chamber 56 two-wayly, further to reach the purpose of ink-jet.
Please refer to Fig. 4 and Fig. 5, Fig. 4 is the nozzle distribution schematic diagram of an existing multi-color ink jet printhead 60, the schematic diagram when Fig. 5 is located at an ink cartridges 70 for Fig. 4 ink jet-print head 60.Ink cartridges 70 includes three storage trough for ink 72, is used for storing the ink of three kinds of different colours, as being respectively the ink that is used for storing yellow, magenta and cyan.Ink jet-print head 60 has a base material 63, it includes three ink runners 62 and a plurality ofly is arranged in six rows and is located at nozzle 64 on the nozzle layer 61 of ink jet-print head 60, wherein every row's nozzle all is located at a side of the ink runner 62 of a correspondence, ink runner 62 is communicated with a corresponding storage trough for ink 72 respectively, be used for transmitting the ink in its pairing storage trough for ink 72, after producing bubble via 66 heating of the heating resistor in the storage trough for ink 72 again, and then make nozzle 64 ejection ink droplets.Each ink runner 62 all is positioned at the below of nozzle layer, so indicate with dotted line at Fig. 5 ink inside runner 62, in addition, as shown in Figure 6, the ink in each storage trough for ink 72 is sent to wherein two rows' nozzle 64 via ink runner 62 left and right sides of a correspondence two-wayly.
Please refer to Fig. 6, Fig. 6 is the nozzle distribution schematic diagram of another existing multi-color ink jet printhead 80.Identical with ink jet-print head 60 is, ink jet-print head 80 also includes a plurality of nozzle 64 and three ink runners 62 (being represented by dotted lines) that are arranged in six rows, and wherein each ink runner 62 also is connected with the ink in the ink delivery storage tank with a corresponding storage trough for ink 72.Ink jet-print head 80 is that with difference between the ink jet-print head 60 both ink runners 62 are different with the relation of every row's nozzle 64 relative positions, wherein ink jet-print head 60 and 80 each row nozzle 64 all arrange from top to bottom, yet the arrangement mode of three ink runners 62 of ink jet-print head 60 is to arrange in order from left to right, and the arrangement mode of three ink runners 62 of ink jet-print head 80 is from top to bottom to arrange in order.
In aforementioned existing ink jet-print head, its ink supply mode only limits to adopt the wherein a kind of of central two-way ink supply or the unidirectional ink supply of both sides of edges, yet the position of being arranged because of its nozzle of ink jet-print head need be close to its ink runner, so under its ink supply mode limits, therefore its nozzle number also can be and limited to some extent, and then its print resolution can't be increased effectively.
Summary of the invention
The object of the present invention is to provide a kind of ink jet-print head and ink supply method thereof that adopts the unidirectional ink supply mode of central two-way ink supply and bilateral edge simultaneously, can increase nozzle number in its unit are effectively by its distinctive ink supply mode, can make ink jet-print head in less area, arrange four row more than nozzle, and then its print resolution is increased effectively, or can provide the ink jet-print head of a smaller size smaller, and has the printing effect of three kinds or multiple ink-jet ink color.
The object of the present invention is achieved like this, a kind of ink jet-print head promptly is provided, it includes: a substrate, in this substrate, be formed with one first central ink runner, and being formed with at least one first edge ink runner at the edge of this substrate, this first central ink runner has out first central opening at this upper surface of base plate; An and nozzle layer, be located at this substrate top, be formed with a plurality of first-class body cavitys and a plurality of second fluid cavity between this nozzle layer and this upper surface of base plate, wherein these a plurality of first-class body cavitys are positioned at around this first central ink runner, and these a plurality of second fluid cavitys are positioned at around this first edge ink runner, wherein, ink is transported to this a plurality of first-class body cavitys via this first central ink runner and this first central opening, and ink via this first edge ink flow passage one-way be transported to this a plurality of second fluid cavitys.
According to These characteristics, respectively be formed with one first edge ink runner and one second edge ink runner in the both sides of the edge of this substrate, also be formed with a plurality of the 4th fluid cavitys between this nozzle layer and this upper surface of base plate, these a plurality of the 4th fluid cavitys are positioned at around this second edge ink runner, wherein, described ink jet-print head also is provided with one first, second and third storage trough for ink, in these three storage trough for ink, all store ink and be not communicated with each other, and this first central ink runner is communicated with one first storage trough for ink, this first edge ink runner is communicated with one second storage trough for ink, this second edge ink runner is communicated with one the 3rd storage trough for ink, ink in this second storage trough for ink is transported to this a plurality of second fluid cavitys via this first edge ink flow passage one-way ground, and the interior ink of the 3rd storage trough for ink via this second edge ink flow passage one-way be transported to this a plurality of the 4th fluid cavitys.
In sum, printhead of the present invention includes a substrate, a nozzle layer and a plurality of bubble and produces member.Be formed with a central ink runner and an edge ink runner that is used for ink delivery in the substrate.Central authorities' ink runner has a central opening and is positioned at the upper surface of substrate, and edge ink runner forms along the edge of substrate.Nozzle layer is located at the top of substrate, it includes a plurality of nozzles and forms a plurality of first-class body cavitys, a plurality of second fluid cavity and a plurality of the 3rd fluid cavity with the top side of substrate, wherein a plurality of first-class body cavitys, a central opening, a plurality of the 3rd fluid cavity and a plurality of second fluid cavity are arranged in order from left to right, and a plurality of the 3rd fluid cavity is between the central opening and second fluid cavity.Each bubble produces the nozzle that member corresponds respectively to a fluid cavity and is adjacent to a correspondence on the nozzle layer, is used for producing bubble so that the nozzle of the ink in the fluid cavity by correspondence sprayed to form ink droplet in the fluid cavity of correspondence.In addition, ink is transported to a plurality of first-class body cavitys and a plurality of the 3rd fluid cavity via the first central ink runner and central opening, and ink is transported to a plurality of second fluid cavitys via the first edge ink runner along the edge of substrate, and reaches the step of providing ink to ink jet-print head.
Description of drawings
Fig. 1 is the structural representation of existing ink jet-print head;
Fig. 2 is the structural representation of another kind of existing ink jet-print head;
Fig. 3 is the nozzle distribution schematic diagram of the third existing ink jet-print head;
Fig. 4 is the nozzle distribution schematic diagram of existing multi-color ink jet printhead;
Schematic diagram when Fig. 5 is located at an ink cartridges for Fig. 4 ink jet-print head;
Fig. 6 is the nozzle distribution schematic diagram of another existing multi-color ink jet printhead;
Fig. 7 is the nozzle distribution schematic diagram of first embodiment of the invention ink jet-print head;
Schematic diagram when Fig. 8 is located at an ink cartridges for Fig. 7 ink jet-print head;
Fig. 9 is the nozzle distribution schematic diagram of second embodiment of the invention ink jet-print head;
Schematic diagram when Figure 10 is located at ink cartridges for Fig. 9 ink jet-print head;
Figure 11 is the nozzle distribution schematic diagram of third embodiment of the invention ink jet-print head;
Schematic diagram when Figure 12 is located at a color inks casket for Figure 11 ink jet-print head;
Figure 13 is the nozzle distribution schematic diagram of fourth embodiment of the invention ink jet-print head;
Schematic diagram when Figure 14 is located at a color inks casket for Figure 13 ink jet-print head;
Figure 15 is the nozzle distribution schematic diagram of fifth embodiment of the invention ink jet-print head;
Schematic diagram when Figure 16 is located at a color inks casket for Figure 15 ink jet-print head;
Figure 17 is the nozzle distribution schematic diagram of sixth embodiment of the invention ink jet-print head;
Schematic diagram when Figure 18 is located at a color inks casket for Figure 17 ink jet-print head;
Figure 19 is the nozzle distribution schematic diagram of seventh embodiment of the invention ink jet-print head;
Figure 20 is the nozzle distribution schematic diagram of eighth embodiment of the invention ink jet-print head.
The specific embodiment
Please refer to Fig. 7 and Fig. 8, Fig. 7 is the nozzle distribution schematic diagram of first embodiment of the invention ink jet-print head 100, the schematic diagram when Fig. 8 is located at an ink cartridges 110 for Fig. 7 ink jet-print head 100.Ink jet-print head 100 includes a substrate 101, a nozzle layer 102 and a plurality of bubble produces member 103, and ink cartridges 110 includes a storage trough for ink 111 and is used for storage ink.In addition, ink jet-print head 100 also includes a flexible circuit board 109, is connected with nozzle layer 102 on the substrate 101, and utilizes sticker to close (not shown) with ink cartridges 110 shells.Be formed with one first central ink runner 104, one first edge ink runner 106 and one second edge ink runner 108 in the substrate 101 and be used for ink in the ink delivery storage tank 111.The first central ink runner 104 has a central opening 105 to open in the upper surface of substrate 101, and the first edge ink runner 106 and the second edge ink runner 108 are along the edge of substrate 101 and form.In addition, nozzle layer 102 is located at the top of substrate 101, it includes a plurality of nozzles 112 that are arranged in four rows, and forms a plurality of first-class body cavitys 122, a plurality of second fluid cavity 126, a plurality of the 3rd fluid cavity 124 and a plurality of the 4th fluid cavity 128 with the upper surface of substrate 101.In addition, each bubble of ink jet-print head 100 produces member 103 and is respectively a heating resistor, and correspond respectively to a fluid cavity 122,124,126 or 128 and contiguous on nozzle layer 102 nozzle 112 of a correspondence, each bubble produces member 103 and is used for its corresponding fluid cavity 122,124,126 or 128 in heating ink and the ink in fluid cavity 122,124,126 or 128 is sprayed by its pairing nozzle 112 forms ink droplet to produce bubble.
The second edge ink runner 108, a plurality of the 4th fluid cavitys 128, a plurality of first-class body cavitys 122, central opening 105, a plurality of the 3rd fluid cavitys 124, a plurality of second fluid cavitys 126 and the first edge ink runner 106 are arranged in order from left to right, a plurality of first-class body cavitys 122 are between the central opening 105 and the second edge ink runner 108, a plurality of the 3rd fluid cavitys 124 are between the central opening 105 and the first edge ink runner 106, ink in the storage trough for ink 111 can be transported to a plurality of first-class body cavitys 122 and a plurality of the 3rd fluid cavity 124 via the first central ink runner 104 and central opening 105 left and right sides two-wayly, and via the first edge ink runner 106 along substrate 101 edges left uniaxially be transported to a plurality of second fluid cavitys 126, and can via the second edge ink runner 108 along substrate 101 edges to the right uniaxially be transported to a plurality of the 4th fluid cavitys 128.In the present embodiment, first and second edge ink runner 106,108 is made of the inwall of storage trough for ink 111 and the edge of substrate 101, therefore by this structural design, can be between the substrate 101 and nozzle layer 102 of ink jet-print head 100, except a plurality of first and the 3rd fluid cavity 122,124, form a plurality of the 3rd and the 4th fluid cavitys 126,128 that are arranged as two rows in addition at place, both sides of the edge near substrate 101, and then the number of increase ink jet-print head 100 unit are inner nozzles 112, and promote print resolution.It should be noted that at this, ink jet-print head 100 also can omit the setting of the second edge ink runner 108 and the 4th fluid cavity 108, and keeping other structure of ink jet-print head 100, this also can reach the purpose that increases ink jet-print head 100 unit are inner nozzles 112 numbers.
As mentioned above, the a plurality of first-class body cavity 122 of ink jet-print head 100, a plurality of second fluid cavity 126, a plurality of the 3rd fluid cavity 124 and a plurality of the 4th fluid cavity 128 all are formed between substrate 101 and the nozzle layer 102 in the mode that is arranged in single row, yet fluid cavity 122,124,126 and 128 arrangement mode be not but as limit, for example among the present invention: fluid cavity 122,124,126 or 128 also can be arranged in the above modes of two row and present.Please refer to Fig. 9 and Figure 10, Fig. 9 is the nozzle distribution schematic diagram of second embodiment of the invention ink jet-print head 150, the schematic diagram when Figure 10 is located at ink cartridges 110 for Fig. 9 ink jet-print head 150.Ink jet-print head 150 is very similar with the structure of ink jet-print head 100, and both main differences are that a plurality of first-class body cavity 122 of ink jet-print head 150, a plurality of the 3rd fluid cavity 124, a plurality of second fluid cavity 126 and a plurality of the 4th fluid cavity 128 all are formed between substrate 101 and the nozzle layer 102 in the mode that is arranged in two row.
Among described in front first embodiment and second embodiment, the ink of being stored in the storage trough for ink 111 is the ink of solid color, it for example all is black ink, therefore in Fig. 7, four lines fluid cavity 122,124,112 fore-and-aft distances of 126 and 128 nozzle all are d, be that single resolution ratio is all identical, for example be 300dpi, yet this four current drainages body cavity 122,124, the horizontal level of 126 and 128 nozzle 112 is also inequality, and the fore-and-aft distance gap between two row's various flows body cavitys is d/4, therefore, the ink jet-print head 100 of first embodiment is when reality is printed, can obtain being four times in single resolution ratio by so designing, be 1, the resolution ratio of 200dpi.Similarly, in Fig. 9, two row's nozzles 112 in every capable fluid cavity 122,124,126 and 128, offset one distance out of the ordinary again is to reach the horizontal level situation all inequality of eight row's nozzles 112, for example its fore-and-aft distance gap all is d/8, therefore, the ink jet-print head 150 of second embodiment can obtain octuple in single resolution ratio by so designing when reality is printed, be 2, the resolution ratio of 400dpi.Therefore, increase under the situation of ink jet-print head 100,150 volumes, can increase considerably its print resolution in little amplitude.
Please refer to Figure 11 and Figure 12, Figure 11 is the nozzle distribution schematic diagram of third embodiment of the invention ink jet-print head 170, the schematic diagram when Figure 12 is located at a color inks casket 180 for Figure 11 ink jet-print head 170.Color inks casket 180 includes the ink that one first storage trough for ink 132, one second storage trough for ink 134 and one the 3rd storage trough for ink 136 are used for storing three kinds of different colours respectively, for example be respectively magenta, yellow and cyan, or be respectively light magenta, faint yellow and nattierblue ink, and three storage trough for ink 132,134,136 in the color inks casket 180 are not communicated with each other mutually.Ink jet-print head 170 also includes a substrate 101 and a nozzle layer 102, also be formed with a plurality of first-class body cavitys 122, a plurality of second fluid cavity 126, a plurality of the 3rd fluid cavity 124 and a plurality of the 4th fluid cavity 128 between substrate 101 and the nozzle layer 102, be used for carrying the ink of being stored in first, second and third storage trough for ink 132,134,136 respectively and also be formed with one first central ink runner 104, one first edge ink runner 106 and one second edge ink runner 108 in the substrate 101.Wherein a plurality of first-class body cavitys 122 and a plurality of the 3rd fluid cavity 124 are arranged in single respectively and are communicated with first storage trough for ink 132 by the first central ink runner 104, a plurality of second fluid cavitys 126 and a plurality of the 4th fluid cavity 128 all are arranged in double, wherein a plurality of second fluid cavitys 126 are communicated with second storage trough for ink 134 by the first edge ink runner 106, and a plurality of the 4th fluid cavitys 128 are communicated with the 3rd storage trough for ink 136 by the second edge ink runner 108.
In the 3rd embodiment, first-class body cavity 122 and the 3rd fluid cavity 124 provide the ink with a kind of color, so its horizontal level must stagger to improve its print resolution; In addition, second fluid cavity 126 and the 4th fluid cavity 128 also have the nozzle that staggers in two row of horizontal positions respectively, to reach and first-class body cavity 122 and the identical resolution ratio of the 3rd fluid cavity 124.Therefore, by so design, then can utilize single ink jet-print head 170 promptly to reach printing effect with three kinds of ink-jet ink colors.
Please refer to Figure 13 and Figure 14, Figure 13 is the nozzle distribution schematic diagram of fourth embodiment of the invention ink jet-print head 190, the schematic diagram when Figure 14 is located at a color inks casket 200 for Figure 13 ink jet-print head 190.Color inks casket 200 is that with color inks casket 180 topmost differences color inks casket 200 is except first storage trough for ink 132, second storage trough for ink 134 and the 3rd storage trough for ink 136, other includes the ink that one the 4th storage trough for ink 196 is used for storing the 4th kind of color, and four storage trough for ink 132,134,136,196 in the color inks casket 200 are not communicated with each other mutually.In addition, the substrate 101 of ink jet-print head 190 is interior except that being formed with one first central ink runner 104, one first edge ink runner 106 and one second edge ink runner 108, other is formed with one second central ink runner 192, it is between the first central ink runner 104 and the first edge ink runner 106, be formed with a plurality of the 3rd fluid cavitys 124 of two rows between nozzle layer 102 and substrate 101 upper surfaces, be distributed in the both sides of the second central ink runner 192; And a plurality of first-class body cavitys 122 of two rows then are distributed in the both sides of the first central ink runner 104.Therefore, ink jet-print head 190 has the function of four look ink supply.It should be noted that at this, because black ink can often use when printing, when for example printing the file of pure words, so four storage trough for ink 132 of color inks casket 200,134,136, one of them of 196 can be used to store the ink of black pigment, other three storage trough for ink can store other other three kinds of colors, for example yellow, magenta and cyan, thus, promptly do not need as existing color printer, need comprise two ink cartridges, wherein, an ink cartridges is used for storing the ink of at least three kinds of different colours such as colour or photograph colour, and another ink cartridges is used for store black ink.
Please refer to Figure 15 and Figure 16, Figure 15 is the nozzle distribution schematic diagram of fifth embodiment of the invention ink jet-print head 210, the schematic diagram when Figure 16 is located at a color inks casket 220 for Figure 15 ink jet-print head 210.Ink jet-print head 210 is one to have the ink jet-print head of multicolored ink supply function, itself and ink jet-print head 190 topmost difference are that ink jet-print head 210 has one the 3rd central ink runner 212 in addition, between the first central ink runner 104 and the second edge ink runner 108, and be formed with the both sides that a plurality of the 5th fluid cavitys 194 of two rows are distributed in the 3rd central ink runner 212 between its nozzle layer 102 and substrate 101 upper surfaces in addition; And a plurality of first-class body cavitys 122 of two rows then are distributed in the both sides of the first central ink runner 104; And a plurality of the 3rd fluid cavitys 124 of two rows then are distributed in the both sides of the second central ink runner 192.Color inks casket 220 is except that first storage trough for ink 132, second storage trough for ink 134, the 3rd storage trough for ink 136 and the 4th storage trough for ink 196, other includes the ink that one the 5th storage trough for ink 216 is used for storing the 5th kind of color, and five storage trough for ink 132,134,136,196,216 in the color inks casket 220 are not communicated with each other mutually.Generally speaking, the first, the 4th, the 5th storage trough for ink 132,196,216 can be used to stock redness, yellow and cyan, second and third storage trough for ink 134,136 then is used for storing light magenta and nattierblue ink respectively, to increase the printing color range number of ink jet-print head 210.
Please refer to Figure 17 and Figure 18, Figure 17 is the nozzle distribution schematic diagram of sixth embodiment of the invention ink jet-print head 230, the schematic diagram when Figure 18 is located at a color inks casket 240 for Figure 17 ink jet-print head 230.Ink jet-print head 230 is a kind of ink jet-print head of four look ink supply, ink jet-print head 230 also is formed with one first central ink runner 104, the first edge ink runner 106, the second edge ink runner, 108, one second central ink runner 192 and one second central ink runner 212 in substrate 101, to be used for supplying the ink of different colours.Ink cartridges 240 has comprised each other the disconnected first, second, third and the 4th storage trough for ink 132,134,136,196 mutually, wherein first, second and the 4th storage trough for ink 132,134,196 are used for storing respectively cyan, yellow and magenta ink, to distinguish ink supply to nozzle 112, the 3rd storage trough for ink 136 is used for the bigger black ink of storage requirements amount, and by the 3rd central ink runner 212 and the second edge ink runner 108 ink supply to the five fluid cavitys 194 and the 4th fluid cavitys 128 respectively.
Please refer to Figure 19, Figure 19 is the nozzle distribution schematic diagram of seventh embodiment of the invention ink jet-print head 250.Ink jet-print head 250 provides an ink jet-print head with three look ink supply functions, it includes a plurality of nozzles 112 that are arranged in four lines three row, three first central ink runner 104m, 104c, 104y, three first edge ink runner 106m, 106c, 106y and three second edge ink runner 108m, 108c, 108y, wherein central ink runner 104m, 104c, 104y is used for the ink supply of two-way ground to second row of same column and the nozzle 112 of the third line, the first edge ink runner 106m, 106c, 106y is used for nozzle 112, the second edge ink runner 108ms of uniaxially ink supply to the fourth line of same column, 108c, 108y is used for the uniaxially ink supply to first of the same column capable nozzle 112.The nozzle 112 of first row is connected with one first storage trough for ink (not shown), the nozzle 112 of secondary series is connected with one second storage trough for ink (not shown), tertial nozzle 112 is connected with one the 3rd storage trough for ink (not shown), and wherein first, second and third storage trough for ink is equipped with the ink of different colours respectively and is not communicated with mutually, so the color of the ink that nozzle 112 sprays of each row also can be inequality.
Please refer to Figure 20, Figure 20 is the nozzle distribution schematic diagram of eighth embodiment of the invention ink jet-print head 260.Ink jet-print head 260 provides an ink jet-print head with multicolored ink supply function, it includes a plurality of nozzles 112 that are arranged in four lines three row, three first central ink runner 104m, 104c, 104y, one first edge ink runner 106 and one second edge ink runner 108, wherein central ink runner 104m, 104c, 104y is used for the nozzle 112 of two-way ground ink supply to the second row and the third line, first 106 of the edge ink runners are used for uniaxially ink supply to nozzle 112, the second 108 of the edge ink runners of fourth line and are used for the nozzle 112 of uniaxially ink supply to the first row.The nozzle 112 of first row is connected with one first storage trough for ink (end shows), the nozzle 112 of fourth line is connected with one second storage trough for ink (not shown), and second nozzle 112 capable and the third line is connected with one the 3rd storage trough for ink (not shown) in first row, the nozzle 112 of second row and the third line is connected with one the 4th storage trough for ink (not shown) in the secondary series, and the nozzle 112 of second row and the third line is connected with one the 5th storage trough for ink (not shown) in the 3rd row; And wherein the first, second, third, fourth and the 5th storage trough for ink is equipped with the ink of different colours respectively and is not communicated with mutually, so ink jet-print head 260 can spray the ink droplet of five kinds of different colours altogether.
Compare with existing ink jet-print head, ink jet-print head of the present invention is because of adopting the ink jet-print head of the unidirectional ink supply mode of central two-way ink supply and bilateral edge simultaneously, can increase nozzle number in its unit are effectively by its distinctive ink supply mode, can make ink jet-print head in less area, arrange four row more than nozzle, and then its print resolution is increased effectively, or can provide the ink jet-print head of a smaller size smaller, and has the printing effect of three kinds or multiple ink-jet ink color.
Yet except inkjet printing, ink jet-print head also has numerous other may use, for example: fuel injection system, cell classification, drug delivery system, directly spray printing photolithography and micro-injection propulsion system etc., so should not exceed with inkjet printing.
The above only is preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (26)
1. ink jet-print head, it includes:
One substrate is formed with one first central ink runner in this substrate, and is formed with at least one first edge ink runner at the edge of this substrate, and this first central ink runner has out first central opening at this upper surface of base plate; And
One nozzle layer, be located at this substrate top, be formed with a plurality of first-class body cavitys and a plurality of second fluid cavity between this nozzle layer and this upper surface of base plate, wherein these a plurality of first-class body cavitys are positioned at around this first central ink runner, and these a plurality of second fluid cavitys are positioned at around this first edge ink runner
Wherein, ink is transported to this a plurality of first-class body cavitys via this first central ink runner and this first central opening, and ink via this first edge ink flow passage one-way be transported to this a plurality of second fluid cavitys.
2. printhead as claimed in claim 1, it comprises that also a plurality of bubbles produce member and a plurality of nozzle, each bubble produces the nozzle that member corresponds respectively to a fluid cavity and is adjacent to a correspondence, be used in this corresponding fluid cavity, producing bubble, so that the ink in this fluid cavity is sprayed by this corresponding nozzle.
3. printhead as claimed in claim 1 wherein is formed with a plurality of the 3rd fluid cavitys in addition between this nozzle layer and this upper surface of base plate, and this first central ink runner is between this a plurality of first-class body cavitys and should be a plurality of between the 3rd fluid cavitys are.
4. printhead as claimed in claim 1, wherein be formed with one second edge ink runner in addition at the edge of this substrate, and be formed with a plurality of the 4th fluid cavitys between this nozzle layer and this upper surface of base plate in addition, these a plurality of the 4th fluid cavitys are communicated with this second edge ink runner, and ink via this second edge ink flow passage one-way be transported to this a plurality of the 4th fluid cavitys.
5. printhead as claimed in claim 4, wherein this first edge ink runner is located at the edge on a long limit of this substrate, and this second edge ink runner is located at the edge on another long limit of this substrate.
6. printhead as claimed in claim 4, wherein this first central ink runner, this first edge ink runner and this second edge ink runner all are communicated with a storage trough for ink, store ink in this storage trough for ink, and the ink in this storage trough for ink is sent to this a plurality of first-class body cavitys via this first central ink runner, and be sent to this a plurality of second fluid cavitys, and be sent to this a plurality of the 4th fluid cavitys via this second edge ink runner via this first edge ink runner.
7. printhead as claimed in claim 4, wherein this first central ink runner is communicated with one first storage trough for ink, this first edge ink runner is communicated with one second storage trough for ink, this second edge ink runner is communicated with one the 3rd storage trough for ink, this first storage trough for ink, all store ink in this second storage trough for ink and the 3rd storage trough for ink and be not communicated with each other, ink in this first storage trough for ink can be sent to this a plurality of first-class body cavitys via this first central ink runner, ink in this second storage trough for ink can be sent to this a plurality of second fluid cavitys via this first edge ink runner, and the ink in the 3rd storage trough for ink can be sent to this a plurality of the 4th fluid cavitys via this second edge ink runner.
8. printhead as claimed in claim 1 wherein is formed with one second central ink runner in addition, and is formed with a plurality of the 5th fluid cavitys between this nozzle layer and this upper surface of base plate in addition in this substrate, be distributed in the both sides of this second central ink runner.
9. printhead as claimed in claim 8 wherein be formed with one the 3rd central ink runner in addition in this substrate, and this nozzle layer and this upper surface of base plate is formed with a plurality of the 6th fluid cavitys in addition, are distributed in the both sides of the 3rd central ink runner.
10. printhead as claimed in claim 9, wherein this first central ink runner, the second central ink runner and the 3rd central ink runner are with the layout of embarking on journey perpendicular to nozzle array.
11, printhead as claimed in claim 9, wherein this first central ink runner, the second central ink runner and the 3rd central ink runner become row to arrange to be parallel to nozzle array.
12, printhead as claimed in claim 11, wherein one second edge ink runner is formed on the edge of this substrate, a plurality of the 4th fluid cavitys are formed between the upper surface and nozzle layer of this substrate, the 4th fluid cavity is communicated with this second edge ink runner fluid, and the ink uniaxially is sent to the 4th fluid cavity via this second edge ink runner.
13, printhead as claimed in claim 12, wherein this second fluid cavity and the 4th fluid cavity become row to arrange along the elongate sides of this substrate.
14, printhead as claimed in claim 13, wherein this second fluid cavity is divided into three parts with the 4th fluid cavity and corresponds respectively to first-class body cavity, the 5th fluid cavity and the 6th fluid cavity and flatly becomes row to arrange.
15. printhead as claimed in claim 1, wherein this first central ink runner and this first edge ink runner all are communicated with a storage trough for ink, store ink in this storage trough for ink, and the ink in this storage trough for ink is sent to this a plurality of first-class body cavitys via this first central ink runner, and ink is sent to this a plurality of second fluid cavitys via this first edge ink runner.
16. printhead as claimed in claim 1, wherein this first central ink runner is communicated with one first storage trough for ink, this first edge ink runner is communicated with one second storage trough for ink, all store ink in this first and second storage trough for ink and be not communicated with each other, ink in this first storage trough for ink is sent to this a plurality of first-class body cavitys via this first central ink runner, and the ink in this second storage trough for ink is sent to this a plurality of second fluid cavitys via this first edge ink runner.
17. printhead as claimed in claim 1, wherein these a plurality of first-class body cavitys or this a plurality of second fluid cavitys are formed between this substrate and this nozzle layer to be arranged in the above mode of two row.
18. printhead as claimed in claim 1, wherein these a plurality of first-class body cavitys and this a plurality of second fluid cavitys all are formed between this substrate and this nozzle layer to be arranged in the above mode of two row.
19. ink jet-print head as claimed in claim 1, wherein respectively be formed with this first edge ink runner and one second edge ink runner in the both sides of the edge of this substrate, also be formed with a plurality of the 4th fluid cavitys between this nozzle layer and this upper surface of base plate, these a plurality of the 4th fluid cavitys are positioned at around this second edge ink runner
Wherein, described ink jet-print head also is provided with one first, second and third storage trough for ink, in these three storage trough for ink, all store ink and be not communicated with each other, and this first central ink runner is communicated with one first storage trough for ink, this first edge ink runner is communicated with one second storage trough for ink, this second edge ink runner is communicated with one the 3rd storage trough for ink, ink in this second storage trough for ink is transported to this a plurality of second fluid cavitys via this first edge ink flow passage one-way ground, and the interior ink of the 3rd storage trough for ink via this second edge ink flow passage one-way be transported to this a plurality of the 4th fluid cavitys.
20. printhead as claimed in claim 19, wherein the ink in this first storage trough for ink, the ink in this second storage trough for ink and the ink in the 3rd storage trough for ink are the ink of three kinds of different colours.
21, printhead as claimed in claim 12, wherein this first central ink runner is communicated with one first storage trough for ink, this first edge ink runner is communicated with one second storage trough for ink, this second edge ink runner is communicated with one the 3rd storage trough for ink, this first storage trough for ink, second storage trough for ink and the 3rd storage trough for ink are not communicated with each other, being stored in ink in this first storage trough for ink flows through this first central ink runner and is transported in this first-class body cavity, be stored in ink in this second storage trough for ink and flow through this first edge ink runner and be transported in this second fluid cavity, be stored in ink in the 3rd storage trough for ink and flow through this second edge ink runner and be transported in the 4th fluid cavity.
22, printhead as claimed in claim 21, wherein this first storage trough for ink, second storage trough for ink and the 3rd storage trough for ink are used to store the ink of three kinds of different colours.
23, printhead as claimed in claim 21, wherein this second central ink runner is communicated with one the 4th storage trough for ink, the 3rd central ink runner is communicated with one the 5th storage trough for ink, this first storage trough for ink, second storage trough for ink, the 3rd storage trough for ink, the 4th storage trough for ink and the 5th storage trough for ink are not communicated with each other, be stored in ink in the 4th storage trough for ink and flow through this second central ink runner and be transported in the 3rd fluid cavity, be stored in ink in the 5th storage trough for ink and flow through the 3rd central ink runner and be transported in the 5th fluid cavity.
24, printhead as claimed in claim 23, wherein this first storage trough for ink, second storage trough for ink, the 3rd storage trough for ink, the 4th storage trough for ink and the 5th storage trough for ink are used to store the ink of five kinds of different colours.
25, printhead as claimed in claim 14, wherein the first of the first of this second fluid cavity and the 4th fluid cavity is horizontally disposed corresponding to first-class body cavity, the first of this second fluid cavity, the first of the 4th fluid cavity and first-class body cavity are communicated with this first storage trough for ink, the second portion of the second portion of this second fluid cavity and the 4th fluid cavity is horizontally disposed corresponding to the 5th fluid cavity, the second portion of this second fluid cavity, the second portion of the 4th fluid cavity and the 5th fluid cavity are communicated with second storage trough for ink, the third part of the third part of this second fluid cavity and the 4th fluid cavity is horizontally disposed corresponding to the 6th fluid cavity, the third part of this second fluid cavity, the third part of the 4th fluid cavity and the 6th fluid cavity are communicated with the 3rd storage trough for ink, and this first storage trough for ink, second storage trough for ink and the 3rd storage trough for ink are not communicated with each other.
26, printhead as claimed in claim 25, wherein this first storage trough for ink, second storage trough for ink and the 3rd storage trough for ink are used to store the ink of three kinds of different colours.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011385561A CN1178787C (en) | 2001-11-16 | 2001-11-16 | Integral ink-jet printhead and ink feeding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011385561A CN1178787C (en) | 2001-11-16 | 2001-11-16 | Integral ink-jet printhead and ink feeding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1420020A CN1420020A (en) | 2003-05-28 |
| CN1178787C true CN1178787C (en) | 2004-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011385561A Expired - Fee Related CN1178787C (en) | 2001-11-16 | 2001-11-16 | Integral ink-jet printhead and ink feeding method |
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| Country | Link |
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| CN (1) | CN1178787C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1325270C (en) * | 2003-12-23 | 2007-07-11 | 明基电通股份有限公司 | Method of expanding fluid channel |
| CN100421947C (en) * | 2005-12-30 | 2008-10-01 | 研能科技股份有限公司 | Ink jet head structure |
| JP2012245625A (en) * | 2011-05-25 | 2012-12-13 | Seiko Epson Corp | Liquid jetting head and liquid jetting apparatus |
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2001
- 2001-11-16 CN CNB011385561A patent/CN1178787C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
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| CN1420020A (en) | 2003-05-28 |
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