WO2010150346A1 - 液体吐出記録ヘッド - Google Patents
液体吐出記録ヘッド Download PDFInfo
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- WO2010150346A1 WO2010150346A1 PCT/JP2009/061375 JP2009061375W WO2010150346A1 WO 2010150346 A1 WO2010150346 A1 WO 2010150346A1 JP 2009061375 W JP2009061375 W JP 2009061375W WO 2010150346 A1 WO2010150346 A1 WO 2010150346A1
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- WIPO (PCT)
- Prior art keywords
- recording
- element substrate
- recording element
- substrate
- support member
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/21—Ink jet for multi-colour printing
- B41J2/2103—Features not dealing with the colouring process per se, e.g. construction of printers or heads, driving circuit adaptations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/05—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers produced by the application of heat
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14032—Structure of the pressure chamber
- B41J2/1404—Geometrical characteristics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/1433—Structure of nozzle plates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/205—Ink jet for printing a discrete number of tones
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/19—Assembling head units
Definitions
- the present invention relates to a liquid discharge recording head that performs a recording operation by discharging a liquid such as ink from an discharge port.
- the present invention relates to an ink jet recording head that performs recording by discharging ink.
- the liquid discharge recording head of the present invention is not only a general printing apparatus, but also a copying machine, a facsimile having a communication system, a word processor having a printing unit, and an industrial combination combined with various apparatuses. It can be applied to a recording apparatus.
- “recording” also means providing an image such as a simple pattern.
- Patent Document 1 The configuration of Patent Document 1 is known as a recording head mounted on an ink jet recording apparatus.
- Japanese Patent Laid-Open No. 2004-260688 achieves both high-speed recording and high-quality recording, and also achieves both low cost and downsizing and simplification of the configuration, two recordings with different ejection methods on a single chip plate (support member).
- a configuration for mounting an element substrate is disclosed. Such a configuration is shown in FIG.
- FIG. 6 is a schematic enlarged cross-sectional view of the recording element substrates 5 and 6 and the support member 3 in the prior art.
- FIG. 6 corresponds to a part of the AA ′ cross section of the liquid discharge recording head of FIG.
- this Patent Document 1 it is described that the Si substrates 18 and 19 used for the two recording element substrates 4 and 5 have the same thickness.
- Nozzle structure in which large droplets are ejected by increasing the distance between the energy generating element 2 and the ejection port 11 to efficiently perform solid printing or the like on the flow path forming member 20 in the recording element substrate 4 that ejects black ink. have.
- a discharge method of this nozzle structure a method is adopted in which bubbles are generated in the ink by driving the recording element, and the ink is discharged by eliminating the bubbles.
- the recording element substrate 5 on which the color ink is ejected is high by ejecting a small amount of liquid droplets to the black ink by shortening the distance between the energy generating element 2 and the ejection port 11 compared to black. It has a nozzle structure capable of fine high-quality recording.
- a discharge method of this nozzle structure a method is adopted in which bubbles are generated in ink by driving a recording element, and ink is discharged in communication with the atmosphere in a state where the internal pressure of the bubbles is negative.
- the recording element substrate 4 that discharges black ink causes large droplets to be ejected as compared with the recording element substrate 5, so that the distance between the energy generating element 2 and the ejection port 11 is set at the recording element substrate 5. Longer than that.
- the recording element substrate 5 that ejects color ink has a nozzle structure in which the distance between the recording element and the ejection port is short in order to eject small droplets. Accordingly, when the thicknesses of the Si substrates 18 and 19 used for the two recording element substrates are substantially equal, the recording element substrate 5 that discharges color ink discharges more than the recording element substrate 4 that discharges black ink.
- the distance from the exit to the recording medium becomes relatively long.
- the greater the distance between the papers the worse the landing accuracy of the ejected ink on the recording medium. Therefore, if this inter-paper distance is large, even if a color recording element substrate 5 that provides good ejection characteristics is designed, its potential capability cannot be maximized, and landing accuracy may deteriorate. .
- This deterioration in landing accuracy is one of the causes of color unevenness when forming so-called secondary colors formed by color inks.
- the image quality is improved by increasing the number of times (the number of passes) the recording head scans the recording medium.
- an object of the present invention is to improve the image quality of a color head that discharges a relatively small amount without degrading the image quality of a black head.
- a liquid discharge recording head of the present invention includes a first recording element substrate having a first discharge port for discharging a liquid, and a second discharge port larger than the first discharge port.
- a liquid discharge recording head comprising: a second recording element substrate provided; and a support member that supports the first recording element substrate and the second recording element substrate on a surface, from the surface of the support member The distance to the first discharge port is longer than the distance from the surface of the support member to the second discharge port.
- the present invention it is possible to improve the landing accuracy of a color head that discharges a relatively small amount of liquid droplets and to improve the image quality without degrading the image quality of the black head as compared with the prior art. .
- FIG. 3 is an enlarged cross-sectional view of the recording element substrate and the support member according to the first embodiment of the present invention.
- FIG. 3 is a schematic diagram illustrating a printing state by the liquid discharge recording head according to the first embodiment of the present invention.
- FIG. 6 is an enlarged cross-sectional view of a recording element substrate and a support member according to a second embodiment of the present invention. It is a schematic diagram which shows the printing state by the liquid discharge recording head which concerns on the 2nd Embodiment of this invention.
- FIG. 6 is an enlarged cross-sectional view of a recording element substrate and a support member according to a third embodiment of the present invention.
- FIG. 6 is an enlarged cross-sectional view of a recording element substrate and a support member according to a conventional technique.
- FIG. 2 is a perspective view illustrating a form of a liquid discharge recording head according to the invention.
- FIG. 3 is an enlarged exploded perspective view of a main part of the recording element unit of the present invention.
- FIG. 3 is a schematic perspective view showing a first recording element substrate.
- FIG. 6 is a schematic perspective view showing a second recording element substrate.
- FIG. 6 is an enlarged cross-sectional view of a recording element substrate and a support member according to a second embodiment of the present invention.
- FIG. 8 is a schematic perspective view of the liquid discharge recording head.
- the liquid discharge recording head of this embodiment is mainly composed of a recording element unit 16 and a liquid supply unit 15. Then, the liquid discharge recording head is set in the recording apparatus so that the surface on which the recording element unit 16 is formed faces the recording medium.
- the configuration of the recording element unit 16 is shown in FIG. In FIG. 9, the first recording element substrate 4 and the second recording element substrate 5 are bonded to the support member 3. Next, the recording element unit 16 is formed by bonding the second support member 10 to the support member 3 and attaching the electric wiring tape 12 to the second support member 10.
- FIG. 1 is a schematic enlarged cross-sectional view of a first recording element substrate 4, a second recording element substrate 5, and a support member 3 according to the first embodiment of the present invention.
- FIG. 1 corresponds to a part of the AA ′ cross section of the liquid discharge recording head of FIG.
- the support member 3 is made of, for example, an alumina (AL2O3) material having a thickness of 0.5 to 10 mm. As this embodiment, the thing of thickness 7mm was used.
- A2O3 alumina
- the constituent material of the support member 3 is not limited to alumina, and has a linear expansion substantially equal to the linear expansion coefficient of the material of the recording element substrates 4 and 5, and the heat conduction of the material of the recording element substrates 4 and 5. It may be made of a material having a thermal conductivity substantially equal to or greater than the rate.
- the material of the support member 3 may be, for example, silicon (Si), aluminum nitride (AlN), zirconia, silicon nitride, molybdenum, or tungsten.
- the support member 3 is formed with a first recording element substrate 4 capable of ejecting black ink and a second recording element substrate 5 capable of ejecting color ink.
- the first recording element substrate 4 is provided with a liquid communication port 6 for supplying black ink
- the second recording element substrate 5 is formed with a liquid communication port 6 for supplying cyan, magenta and yellow inks.
- a common liquid supply port 13 formed as a through hole in the recording element substrate is provided corresponding to each of the liquid communication ports 6. Further, the first recording element substrate 4 and the second recording element substrate 5 are fixed with an adhesive while being positioned with respect to the support member 3.
- the adhesive material 17 is desirably a low viscosity, low curing temperature, cured in a short time, has a relatively high hardness after curing, and has ink resistance.
- a thermosetting adhesive mainly composed of an epoxy resin is used, and the thickness of the adhesive is desirably 50 ⁇ m or less. In this embodiment, the thickness is 25 ⁇ m.
- the first recording element substrate 4 includes a first substrate 18 and a first flow path forming member 20.
- An energy generating element (first energy generating element) 2 that generates energy used to discharge a liquid and an electric wiring such as Al that supplies power to each energy generating element are formed on one surface of the Si substrate. ing.
- the energy generating element is constituted by an electrothermal converter.
- a Si substrate 18 having a thickness T1 of 0.625 mm was used.
- the Si substrate 18 is different from the second recording element substrate 5 in that the Si substrate 18 that is relatively thin by 50 ⁇ m or more is used.
- a plurality of ink flow paths and a plurality of discharge ports (first discharge ports) 11 corresponding to the energy generating element 2 are formed by a photolithography technique.
- black ink is ejected, but it is desirable that the distance from the energy element to the ejection port 11 be 50 ⁇ m or more and 100 ⁇ m or less so that solid printing can be efficiently performed with large droplets.
- This distance is Z1.
- the distance Z1 is set to 75 ⁇ m.
- the ink discharge amount was 30 pl
- the dot diameter was 80 ⁇ m
- the resolution was 600 dpi.
- the Si substrate 18 is formed with a common liquid supply port 13 for supplying ink to a plurality of ink flow paths so as to open on the opposite surface (back surface).
- the second recording element substrate 5 includes a second substrate 19 and a second flow path forming member 21.
- the second substrate 19 includes a plurality of energy generating elements (second energy generating elements) 2 for discharging a liquid and an electric wiring such as Al for supplying power to each energy generating element formed by a film forming technique. Is done.
- a plurality of ink flow paths and a plurality of ejection ports (second ejection ports) 11 corresponding to the energy generating element 2 are formed by a photolithography technique.
- the distance (Z2) from the energy generating element 2 to the discharge port 11 of the second recording element substrate is 10 ⁇ m or more and 30 ⁇ m. The following is desirable. In the present embodiment, this Z2 is set to 25 ⁇ m.
- the ink discharge amount at that time was set to 5 pl and 1 pl for each color.
- the dot diameter of 5 pl was 40-50 ⁇ m
- the dot diameter of 1 pl was 10-30 ⁇ m
- the resolution was 1200 dpi.
- the Si substrate 19 is formed with a common liquid supply port 13 for supplying ink to a plurality of ink flow paths so as to open on the opposite surface (back surface).
- Three ink supply ports are formed corresponding to the nozzle rows of the three colors of cyan, magenta, and yellow. The above is the description of the second recording element substrate.
- the discharge port 11 is located below the support member 3, and the recording surface 14 of the recording medium is located below the discharge port 11. Then, ink droplets are ejected from the ejection port, and land on the recording surface 14 of the recording medium for recording. At this time, the distance between the ejection port 11 and the surface 14 of the recording medium needs to be a predetermined distance in order to prevent head rubbing or the like due to waviness of the paper surface. In this embodiment, the thickness is 1.2 mm.
- ink is ejected substantially perpendicularly to the recording medium 14, but due to the influence of the processing tolerance of the flow path forming member and the displacement of the ejection port corresponding to the energy generating element 2, etc.
- the discharge angle may be slightly inclined with respect to the recording medium. Further, the landing accuracy on the recording medium may be shifted due to the influence of the airflow in the recording apparatus.
- the first recording element substrate 4 and the second recording element substrate 5 it is possible to easily improve the color image quality by manufacturing the first recording element substrate 4 and the second recording element substrate 5 from Si wafers having different sizes.
- a Si substrate 18 formed of a 6-inch wafer conforming to the SEMI standard is used for the first recording element substrate 4
- an Si substrate 18 formed of an 8-inch wafer conforming to the SEMI standard is used for the second recording element substrate 5.
- a substrate 19 is used. Since the thickness of the 8-inch wafer is larger than the thickness of the 6-inch wafer, the difference in thickness of about 0.1 mm can be accurately produced by forming the element substrate with wafers of different sizes.
- Table 1 The examination results of this embodiment are shown in Table 1.
- the distance B between the sheets by setting the distance B between the sheets to the minimum value of 1.2 mm, a very good image quality was obtained. At that time, although the black paper gap A is larger than the color, large droplets are ejected compared to the color, so that it was verified that the image quality does not deteriorate until the paper gap is 1.5 mm.
- the thickness of the color flow path forming member can be made smaller than the thickness of the black flow path forming member by making the thickness of the color Si substrate larger than that of the black Si substrate as in this embodiment. Accordingly, the color discharge amount can be made smaller than the black discharge amount with a simple configuration, and the color paper distance can be made smaller than the black paper distance. That is, it is preferable that the distance from the surface of the support member 3 that supports the recording element substrate to the second ejection port 11 can be made longer than the distance from the surface of the support member to the first ejection port 11.
- FIG. 3 is a schematic enlarged sectional view of the recording element substrates 4 and 5 and the support member 3 according to the second embodiment of the present invention.
- FIG. 3 corresponds to a part of the AA ′ cross section of the liquid discharge recording head of FIG.
- the support member 3 is provided with a step of about 0.05 mm to 0.3 mm with respect to the bonding surface of the recording element substrates 4 and 5.
- X1 6.8 mm at a relatively thin portion of the supporting member 3 where the recording element substrate 4 is bonded
- X2 7 mm at a relatively thick portion where the recording element substrate 5 is bonded. That is, X2 ⁇ X1 ⁇ 0.05 mm holds.
- This step may be formed using an offset plate 7 as shown in FIG.
- the support member 3 and the offset plate are made of an alumina (AL2O3) material.
- the constituent material of the support member 3 and the offset plate is not limited to alumina, and may be any of silicon (Si), aluminum nitride (AlN), zirconia, silicon nitride, molybdenum, and tungsten, for example.
- the support member 3 is provided with a liquid communication port 6 for supplying black ink to the first recording element substrate 4 and for supplying cyan, magenta, and yellow ink to the second recording element substrate 5.
- a liquid communication port 6 is formed.
- a liquid communication port is also formed when the offset plate 7 of FIG. 12 is used.
- the common liquid supply port 13 of the recording element substrate corresponds to the support member 3 or the offset plate 7 to the liquid communication port 6, respectively.
- the first recording element substrate 4 is fixed to the support member 3 and the second recording element substrate 5 is fixed to the support member or the offset plate with high positional accuracy.
- a material having a low viscosity, a low curing temperature, curing in a short time, having a relatively high hardness after curing, and having ink resistance is desirable.
- it is a thermosetting adhesive mainly composed of an epoxy resin, and the thickness of the adhesive is desirably 50 ⁇ m or less. In this embodiment, the thickness is 25 ⁇ m.
- the thickness of the Si substrate 22 of the first recording element substrate 4 is 0.71 mm to 0.8 mm, and the Si substrate 23 of the second recording element substrate 5 is the same. A thickness of 0.71 mm to 0.8 mm was used.
- the thickness of the flow path forming member 24 in the first recording element substrate 4 and the thickness of the flow path forming member 25 in the second recording element substrate 5 were set to the same values as in the first embodiment.
- the recording element substrates 4 and 5 are provided with the discharge port 11 under the support member 3 and the recording surface 14 of the recording medium underneath. . Then, liquid is discharged from the discharge port and landed on the recording surface 14 of the recording medium, thereby enabling recording. At this time, the distance between the ejection port 11 and the surface 14 of the recording medium was set to 1.2 mm.
- the distance between papers from the discharge port 11 of the first recording element substrate 4 to the recording medium 14 is C and the distance between papers of the second recording element substrate 5 is D
- the relationship of C ⁇ D is preferable.
- CD 0.01 to 0.03 mm is preferable. With such a configuration, it is possible to set the minimum set distance between papers to prevent the interference between the recording medium and the head with reference to the discharge port 11 of the second recording element substrate 5. Color ink ejection characteristics can be obtained. Then, the potential capability of the second recording element substrate 5 can be extracted, the landing accuracy can be improved, and the image quality can be greatly improved.
- the thickness of the support member 3 to which the second recording element substrate is bonded is increased by 0.05 mm or more with respect to the thickness of the support member 3 to which the first recording element substrate is bonded. The image quality can be improved.
- the advantage of this embodiment is preferable in that the color image quality can be significantly improved by only adding a step processing of the support member without changing the recording element substrate. Further, adjusting the height with a separate member as shown in FIG. 12 is preferable in that the processing of the support member becomes unnecessary. Further, it is preferable in that the height can be adjusted with high accuracy.
- FIG. 5 is a schematic enlarged sectional view of a recording element substrate and a support member in the third embodiment of the present invention.
- FIG. 5 corresponds to a part of the AA ′ cross section of the liquid discharge recording head of FIG.
- the difference between the first and second embodiments is that the inter-paper distance between the first recording element substrate and the second recording element substrate is changed by changing the thickness of the adhesive layer that bonds the support member and the recording element substrate. It is a changing point.
- the thickness of the adhesive layer of the first recording element substrate 4 is Y1
- the thickness of the adhesive layer of the second recording element substrate is Y2
- the relational expression of Y2 ⁇ Y1 ⁇ 0.05 mm is established.
- the color image quality can be improved by simply increasing the thickness of the adhesive layer for adhering the second recording element substrate to 0.05 mm or more relative to the thickness of the adhesive layer for adhering the first recording element substrate. It can be improved.
- the present invention can be widely applied as a liquid discharge recording head mounted on an ink jet recording apparatus such as an ink jet printer.
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Abstract
Description
以上のような状況を鑑みて、本発明は、ブラック用ヘッドの画像品位を落とすことなく、相対的に少量の吐出を行うカラーヘッドの画像品位を向上させることを目的とする。
図1は本発明の第1の実施形態における第1の記録素子基板4、第2の記録素子基板5及び支持部材3の模式的拡大断面図である。この図1は、図8の液体吐出記録ヘッドのA-A‘断面の一部に相当する。まず、図1の構造から説明する。本実施形態において支持部材3は例えば、厚さ0.5~10mmのアルミナ(AL2O3)材料で形成されている。本実施形態としては、7mmの厚さのものを使用した。なお支持部材3の構成材料はアルミナに限られることなく、記録素子基板4及び5の材料の線膨張率とほぼ同等の線膨張を有し、かつ、記録素子基板4及び5の材料の熱伝導率とほぼ同等もしくは同等以上の熱伝導率を有する材料で作られてもよい。支持部材3の材料は、例えば、シリコン(Si)、窒化アルミニウム(AlN)、ジルコニア、窒化珪素、モリブデン、タングステンでも良い。
図3は本発明の第2の実施形態における記録素子基板4、5及び支持部材3の模式的拡大断面図である。この図3は、図8液体吐出記録ヘッドのA-A‘断面の一部に相当する。
図5は本発明の第3の実施形態における記録素子基板及び支持部材の模式的拡大断面図である。この図5は、図8液体吐出記録ヘッドのA-A‘断面の一部に相当する。第1および第2の実施形態との違いは、支持部材と記録素子基板を接着する接着層の厚みを変えることで、第1の記録素子基板と第2の記録素子基板との紙間距離を変えている点である。第1の記録素子基板4の接着材層の厚みをY1とし、第2の記録素子基板の接着材層の厚みをY2とした場合、Y2-Y1≧0.05mmの関係式がなりたつ。このような関係式を満たすことによって、第1及び第2の実施形態と同様の効果が得られる。
3 支持部材
4 第1の記録素子基板
5 第2の記録素子基板
6 液体連通口
7 オフセット用プレート
8 液体供給ユニット
9 流路形成部材
11 吐出口
13 共通液体供給口
16 記録素子ユニット
17 接着材層
18、19、22、23 Si基板
Claims (9)
- 液体を吐出する第1の吐出口を備える第1の記録素子基板と、前記第1の吐出口よりも小さい第2の吐出口を備える第2の記録素子基板と、前記第1の記録素子基板と前記第2の記録素子基板とを面で支持する支持部材と、を備える液体吐出記録ヘッドであって、
前記支持部材の面から前記第2の吐出口までの距離が、前記支持部材の面から前記第1の吐出口までの距離より長いことを特徴とする液体吐出記録ヘッド。 - 被記録媒体に液体を吐出して記録を行う液体吐出記録ヘッドであって、前記第2の吐出口と前記被記録媒体との距離が、前記第1の吐出口と前記被記録媒体との距離より短いことを特徴とする請求項1に記載の液体吐出記録ヘッド。
- 前記第1の記録素子基板は、液体を吐出するために利用されるエネルギーを発生する第1のエネルギー発生素子を備える第1の基板と、前記第1の吐出口および流路を備える第1の流路形成部材とを含み、
前記第2の記録素子基板は、液体を吐出するために利用されるエネルギーを発生する第2のエネルギー発生素子を備える第2の基板と、前記第2の吐出口および流路を備える第2の流路形成部材とを含むことを特徴とする請求項1または2に記載の液体吐出記録ヘッド。 - 前記第2の基板の厚みは前記第1の基板の厚みより大きいことを特徴とする請求項3に記載の液体吐出記録ヘッド。
- 前記第1の流路形成部材の厚みは前記第2の流路形成部材の厚みよりも大きいとを特徴とする請求項3または4に記載の液体吐出記録ヘッド。
- 前記支持部材における、前記第1の記録素子基板を支持する部分の厚みが、前記第2の記録素子基板を支持する部分の厚みより小さいことを特徴とする請求項1から3のいずれかに記載の液体吐出記録ヘッド。
- 前記第1の基板と前記第2の基板の厚みが同じであることを特徴とする請求項6に記載の液体吐出記録ヘッド。
- 前記支持部材と前記第1の記録素子基板との間の接着材の厚みが前記支持部材と前記第2の記録素子基板との間の接着材の厚みよりも小さいことを特徴とする請求項1から3のいずれかに記載の液体吐出記録ヘッド。
- 前記第1の吐出口からはブラックインクを吐出可能で、前記第2の吐出口からは前記ブラックインクよりも吐出量の小さいカラーインクを吐出可能であることを特徴とする請求項1から8のいずれかに記載の液体吐出記録ヘッド。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011519408A JP5159952B2 (ja) | 2009-06-23 | 2009-06-23 | 液体吐出記録ヘッド |
KR1020127001003A KR101421844B1 (ko) | 2009-06-23 | 2009-06-23 | 액체 토출 기록 헤드 |
EP09846479.5A EP2447082B1 (en) | 2009-06-23 | 2009-06-23 | Liquid jet recording head |
CN200980159972.2A CN102802957B (zh) | 2009-06-23 | 2009-06-23 | 液体排出记录头 |
PCT/JP2009/061375 WO2010150346A1 (ja) | 2009-06-23 | 2009-06-23 | 液体吐出記録ヘッド |
US12/827,903 US8007074B2 (en) | 2009-06-23 | 2010-06-30 | Liquid discharge recording head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2009/061375 WO2010150346A1 (ja) | 2009-06-23 | 2009-06-23 | 液体吐出記録ヘッド |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US12/827,903 Continuation US8007074B2 (en) | 2009-06-23 | 2010-06-30 | Liquid discharge recording head |
Publications (1)
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WO2010150346A1 true WO2010150346A1 (ja) | 2010-12-29 |
Family
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Family Applications (1)
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PCT/JP2009/061375 WO2010150346A1 (ja) | 2009-06-23 | 2009-06-23 | 液体吐出記録ヘッド |
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US (1) | US8007074B2 (ja) |
EP (1) | EP2447082B1 (ja) |
JP (1) | JP5159952B2 (ja) |
KR (1) | KR101421844B1 (ja) |
CN (1) | CN102802957B (ja) |
WO (1) | WO2010150346A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019532841A (ja) * | 2017-01-23 | 2019-11-14 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 異なるサイズの流体を分配するための液体噴出装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2447082B1 (en) | 2009-06-23 | 2018-08-08 | Canon Kabushiki Kaisha | Liquid jet recording head |
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2009
- 2009-06-23 EP EP09846479.5A patent/EP2447082B1/en not_active Not-in-force
- 2009-06-23 WO PCT/JP2009/061375 patent/WO2010150346A1/ja active Application Filing
- 2009-06-23 KR KR1020127001003A patent/KR101421844B1/ko active IP Right Grant
- 2009-06-23 JP JP2011519408A patent/JP5159952B2/ja not_active Expired - Fee Related
- 2009-06-23 CN CN200980159972.2A patent/CN102802957B/zh not_active Expired - Fee Related
-
2010
- 2010-06-30 US US12/827,903 patent/US8007074B2/en not_active Expired - Fee Related
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JP2019532841A (ja) * | 2017-01-23 | 2019-11-14 | ヒューレット−パッカード デベロップメント カンパニー エル.ピー.Hewlett‐Packard Development Company, L.P. | 異なるサイズの流体を分配するための液体噴出装置 |
US10875321B2 (en) | 2017-01-23 | 2020-12-29 | Hewlett-Packard Development Company, L.P. | Fluid ejection devices to dispense fluid of different sizes |
Also Published As
Publication number | Publication date |
---|---|
CN102802957A (zh) | 2012-11-28 |
JP5159952B2 (ja) | 2013-03-13 |
EP2447082A1 (en) | 2012-05-02 |
EP2447082B1 (en) | 2018-08-08 |
CN102802957B (zh) | 2014-12-24 |
KR20120030141A (ko) | 2012-03-27 |
US20100321446A1 (en) | 2010-12-23 |
EP2447082A4 (en) | 2014-01-08 |
KR101421844B1 (ko) | 2014-07-22 |
US8007074B2 (en) | 2011-08-30 |
JPWO2010150346A1 (ja) | 2012-12-06 |
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