WO2006030801A1 - インクジェットヘッド及びその製造方法 - Google Patents
インクジェットヘッド及びその製造方法 Download PDFInfo
- Publication number
- WO2006030801A1 WO2006030801A1 PCT/JP2005/016887 JP2005016887W WO2006030801A1 WO 2006030801 A1 WO2006030801 A1 WO 2006030801A1 JP 2005016887 W JP2005016887 W JP 2005016887W WO 2006030801 A1 WO2006030801 A1 WO 2006030801A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ink
- ink chamber
- end surface
- end portion
- chambers
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 48
- 238000000034 method Methods 0.000 claims description 17
- 239000003818 cinder Substances 0.000 claims description 8
- 238000005520 cutting process Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims 1
- 238000005192 partition Methods 0.000 claims 1
- 238000003860 storage Methods 0.000 claims 1
- 239000000976 ink Substances 0.000 description 239
- 239000003086 colorant Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000001681 protective effect Effects 0.000 description 4
- 230000000873 masking effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000005553 drilling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
- B41J2/14201—Structure of print heads with piezoelectric elements
- B41J2/14209—Structure of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
-
- 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
- B41J2/145—Arrangement thereof
- B41J2/15—Arrangement thereof for serial printing
-
- 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
- B41J2/16—Production of nozzles
- B41J2/1607—Production of print heads with piezoelectric elements
- B41J2/1609—Production of print heads with piezoelectric elements of finger type, chamber walls consisting integrally of piezoelectric material
-
- 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
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1632—Manufacturing processes machining
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
- Y10T428/24372—Particulate matter
- Y10T428/24421—Silicon containing
Definitions
- the present invention relates to a head structure of an ink jet printer.
- An ink jet printer prints an image on a medium such as paper by ejecting fine ink droplets from fine nozzle holes provided in an ink jet head in accordance with print data.
- an ink jet printer there is an ink jet head that forms a full-color image using an ink jet head filled with four colors of cyan, magenta, yellow, and black, or six colors of light cyan and light magenta.
- FIG. 10 is a perspective view showing a conventional inkjet head.
- FIG. 11 is a perspective view of the part cut along CC-CC in FIG.
- FIG. 12 is a perspective view showing a state in which a conventional multi-ink jet head is attached to a head holding member.
- a plurality of grooves are formed on the piezoelectric substrate 101 polarized in the substrate thickness direction by dicing to form the ink chamber 104.
- An electrode 105 is formed on the inner wall of the ink chamber 104, and an electrode protective film (not shown) covering the electrode 105 is formed on the electrode 105 by about 10 m.
- the rear end portion of the electrode 104 is filled with a conductive material (not shown).
- a common ink chamber 103 is formed in the cover member 102.
- the common ink chamber 103 communicates with all the ink chambers 104 of the piezoelectric substrate 101, and the ink is supplied to each ink chamber 104 of the common ink chamber 103.
- the ink jet head 100 is configured by bonding a piezoelectric substrate 101 to a cover member 102.
- Color printing can be performed by combining a plurality of inkjet heads 100 having the above-described configuration and outputting ink of different colors at each head.
- FIG. 12 shows an ink jet head unit 200 in which four inkjet heads 100 are arranged on the head holding member 106 to enable color printing.
- each of the inkjet heads 100 is a separate member and needs to be assembled to the head holding member 106, it is guaranteed that the positions of the nozzle holes are positioned with high accuracy. There was a problem of low yield.
- Patent Document 1 Therefore, in order to solve this problem, a structure shown in Patent Document 1 has been proposed.
- Patent Document 1 Japanese Patent Laid-Open No. 10-235907
- ink chambers having different lengths are formed for the respective ink colors, so that each ink chamber has the same ink discharge condition. Adjacent dummy ink chambers of the same length are required. For this reason, it is difficult to reduce the discharge nozzle pitch by the amount of the dummy ink chamber.
- the ink supply path formed in the top plate opens to the side of the head, and a common ink chamber for each color is formed in this part. To ensure the ink flow rate and reduce the flow path resistance, As the number of ink chambers increases, it is necessary to increase the opening area, and it is necessary to increase the pitch of these common ink chambers in order to eliminate color mixing and leakage.
- the common ink chamber width is 2mm
- the ink passage pitch is 3 mm
- the length of 11 mm is required for the four colors, and if the electrode pattern width and groove length at the rear end of the head are added, the head length exceeds 20 mm. turn into.
- the number of heads that can be taken from one wafer is several. There is a limit to miniaturization of the head itself.
- An object of the present invention is to provide an ink jet head that achieves high density and high accuracy.
- the present invention includes a plurality of first ink chambers formed on a piezoelectric substrate, the front end portion opening at the first end surface of the substrate and the rear end portion closed,
- a plurality of second ink chambers formed on the piezoelectric substrate and having a front end portion opened at a second end surface opposite to the first end surface and a rear end portion closed;
- Electrodes formed on inner walls of the first ink chamber and the second ink chamber;
- a first common ink chamber formed on the piezoelectric substrate, formed between a rear end portion of the second ink chamber and the first end surface, and communicated with the first ink chamber;
- a second common ink chamber formed on the piezoelectric substrate, formed between a rear end portion of the first ink chamber and the second end surface, and communicating with the second ink chamber;
- a nozzle plate covering the first ink chamber and the second ink chamber and having nozzle holes formed corresponding to the ink chambers;
- the first ink chamber and the second ink chamber each have an opening located on the opposite surface of the piezoelectric substrate, so that the first common ink chamber does not intersect the second ink chamber.
- the second common ink chamber is formed on the piezoelectric substrate so as not to intersect the first ink chamber. Therefore, each ink chamber can be set to the same length, and dummy ink There is no need to provide a room. Then, by changing the color of the ink in the first ink chamber and the color of the ink in the second ink chamber, it is possible to eject two colors of ink.
- the first common ink chamber supplies ink to all the first ink chambers
- the second common ink chamber supplies ink to all the second ink chambers.
- the groove width of each common ink chamber is at least larger than the groove width of the ink chamber, and preferably as wide as possible in terms of dimensions.
- the first common ink chamber is formed between the rear end portion of the second ink chamber and the first end surface. For this reason, the first common ink chamber does not cross the second ink chamber. Similarly, since the second common ink chamber is formed between the rear end portion of the first ink chamber and the second end surface, the second common ink chamber does not intersect with the first ink chamber.
- the plurality of first ink chambers and the plurality of second ink chambers are alternately arranged adjacent to each other.
- the openings of the plurality of first ink chambers and the plurality of second ink chambers are formed so as to be shallower than the other portions, and are formed on the inner walls of the openings!
- the above-mentioned electrode is used as an external connection terminal.
- inks of different colors can be ejected from odd nozzles and even nozzles. Further, since there is no dummy ink chamber, the ink chamber can be narrowed. In addition, since the depth of the opening of each ink chamber is shallow, terminal connection at this portion is facilitated. By increasing the width of the ink chamber at the opening serving as the external connection terminal during processing, it is possible to improve the connection reliability at this portion.
- the third end surface force of the piezoelectric substrate is supplied to the first common ink chamber, and the fourth end surface force on the opposite side of the third end surface is the second common surface force.
- the ink jet head main body is housed in a lateral portion formed in the base portion, and ink communicates with an ink reservoir space formed on the third end surface side and the fourth end surface side of the lateral portion. Supply holes are provided. Accordingly, ink is supplied to the external force ink jet head body through the ink supply hole.
- FIG. 1 is a perspective view of an ink jet head according to an embodiment of the present invention.
- FIG. 2 is a diagram showing a cross section taken along dotted lines AA-AA and BB-BB in FIG.
- FIG. 3 is a diagram showing a processing procedure of the inkjet head.
- FIG. 4 is a diagram showing a processing procedure of the inkjet head.
- FIG. 5 is a diagram showing a base configuration.
- FIG. 6 is a view showing a state in which the ink jet head is housed in a base portion of the base.
- FIG. 7 is an assembly diagram of an inkjet head unit.
- FIG. 8 is an assembly diagram of an inkjet head unit.
- FIG. 9 is a completed view of a multi-color inkjet head unit.
- FIG. 10 is a perspective view of a conventional inkjet head.
- FIG. 11 is a perspective view of a portion cut by CC CC in FIG.
- FIG. 12 is a perspective view showing a state in which a conventional multi-ink jet head is attached to a head holding member.
- FIG. 1 is a perspective view of an ink jet head according to an embodiment of the present invention.
- FIG. 2 is a view showing a cross section taken along dotted lines AA—AA and BB—BB in FIG.
- the rectangular piezoelectric substrate 1 is obtained by cutting one wafer with a dicing apparatus. The processing of the piezoelectric substrate 1 is actually performed on the wafer, and multiple in- The cudget head 2 is formed simultaneously. Hereinafter, the structure of one inkjet head 2 will be described.
- the piezoelectric substrate 1 includes a plurality of first ink chambers 3 whose front end portion is opened at the first end surface A of the substrate 1 and whose rear end portion is closed, and the front end portion is opposite to the first end surface A.
- a plurality of second ink chambers 4 that are opened at the second end face B and closed at the rear end are formed.
- the first ink chamber 3 and the second ink chamber 4 are alternately adjacent to each other, and all the ink chambers are provided in parallel.
- electrodes 5 are formed on the inner walls of the first ink chamber 3 and the second ink chamber 4. This electrode 5 is used for expanding and contracting the ink chamber by applying a Nors voltage to the inner wall of the ink chamber and discharging the ink inside.
- a first common ink chamber 6 is formed between the rear end portion of the second ink chamber 4 and the first end surface A.
- the first common ink chamber 6 communicates with the first ink chamber 3 and intersects the first ink chamber 3 at a right angle.
- the depth of the first common ink chamber 6 is set to be shallower than that of the first ink chamber 3.
- a second common ink chamber 7 is formed on the piezoelectric substrate 1 between the rear end portion of the first ink chamber 3 and the second end face B.
- the second common ink chamber 7 communicates with the second ink chamber 4 and intersects the second ink chamber 4 at a right angle.
- the depth of the first common ink chamber 6 is set shallower than that of the first ink chamber 3.
- the depth of the opening 3a of the first ink chamber 3 and the depth of the opening 4a of the second ink chamber 4 are formed shallower than the depth of other portions. Yes.
- the electrode 5 formed on the inner walls of the openings 3a and 4a serves as an external connection terminal for connecting to an external drive unit (not shown).
- the nozzle plate described later includes nozzle holes that cover the first ink chamber 3 and the second ink chamber 4 and are formed corresponding to the ink chambers.
- the first color ink is supplied from the first common ink chamber 6 and guided to the first ink chamber 3.
- the opening 3a which is one or more external connection terminals of the first ink chamber and the ink chamber is excited
- the ink in the ink chamber is discharged from the nozzle hole of the nozzle plate. Discharged. Therefore, the first color ink is ejected upward in FIG.
- the second color ink is supplied from the second common ink chamber 7 and guided to the second ink chamber 4. It is burned.
- the opening 4a which is one or more external connection terminals of the second ink chamber, and the ink chamber is excited
- the ink in the ink chamber is transferred to the nozzle hole of the nozzle plate. It is discharged from. Therefore, the second color ink is also ejected upward in FIG. In this way, the first color ink and the second color ink can be discharged upward simultaneously.
- the pitch of the ink chambers to be excited that is, the pitch of the nozzle holes provided corresponding to each ink chamber is equal to the interval between the first ink chamber 3 and the second ink chamber 4 and is high.
- a density pitch inkjet head can be constructed.
- the piezoelectric substrate 1 is configured by bonding two piezoelectric substrates of 0.15 mm and 0.9 mm having different polarization directions, and has a thickness of 1.05 mm.
- the upward force also processes the ink chamber using the blade 10 of the die cinder machine.
- the ink chamber 3 is moved by moving the blade 10 in the direction of the end surface A so that the front end opens at the end surface A of the piezoelectric substrate 1 and the rear end closes.
- the ink chamber 4 is moved by moving the blade 10 in the direction of the end surface B so that the front end opens at the end surface B of the piezoelectric substrate 1 and the rear end closes.
- processing is performed so that the ink chambers 3 and the ink chambers 4 are alternately positioned (adjacent).
- the ink chamber 3 opened on the end surface A and the ink chamber 4 opened on the end surface B are arranged so as to be alternately adjacent to each other.
- each ink chamber is covered so as to have a shallow depth as shown in FIG.
- the electrode 5 is formed on the inner walls of the ink chambers 3 and 4 by vapor deposition, sputtering, plating, or the like. In this step, the electrode 5 is also formed on the surface of the piezoelectric substrate 1 other than the ink chamber 3 and the ink chamber 4. In this state, the ink chambers 3 and 4 are short-circuited. Use an icing machine to grind the surface of the piezoelectric substrate 1 by 50 m and remove the electrode 5 on the surface of the piezoelectric substrate 1 to a thickness of 1. Omm. By this processing, the ink chamber
- the electrode 5 is formed only on the inner wall of the ink chamber 4.
- the parallelism between the back surface and the front surface of the piezoelectric substrate 1 can be set to about 3 ⁇ m.
- Process 7 The common ink chambers 6 and 7 are processed so as to be orthogonal to the ink chambers 3 and 4. Further, the common ink chamber 6 is positioned so as to be positioned from the end surface A and is positioned between the rear end portion of the second ink chamber 4 and the end surface A, and the common ink chamber 7 is positioned from the end surface B. Then, the first ink chamber 3 is processed so as to be positioned between the rear end portion and the end surface B.
- the common ink chambers 6 and 7 are processed to be shallower than the ink chambers 3 and 4, so that the electrodes 5 formed on the inner walls of the ink chambers 3 and 4 and the openings 3a and 4a serving as external connection terminals are formed. Ensuring continuity with the other electrode.
- the common ink chamber 6 supplies all the ink chambers 3 and the common ink chamber 7 supplies all the ink chambers 4 to the ink, these common ink chambers 6 and 7 are provided from the viewpoint of reducing the flow resistance. Process the groove width as wide as possible.
- an inkjet head capable of ejecting two colors of ink can be configured on one piezoelectric substrate 1.
- the above steps are covered in a wafer state, and the piezoelectric substrate 1 can be manufactured in a state where a large number of sections for forming the inkjet head 2 are laid out.
- FIG. 5 shows a base 20 on which the inkjet head 2 is mounted.
- the base 20 is formed by drilling a plate of aluminum, stainless steel, ceramics, etc. with a thickness of 0.9mm to a depth of 0.95mm, and drilling holes at both ends of the hole, and ink supply pipes are formed in these holes. twenty one, 22 is connected. Further, the length of the saddle portion is set longer than the length of the inkjet head 2.
- the parallelism of the crushed portion can be checked with an accuracy of 5 ⁇ m or less.
- the inkjet head 2 is arranged in the counterbore part of the base 20.
- the saddle depth is set to a depth at which the upper part of the inkjet head 2 protrudes 50 m above the counterbore when the ink jet head 2 is stored. Further, since the length of the saddle portion is set longer than the length of the ink jet head 2, ink reservoir spaces 28 and 29 are formed on both sides of the saddle portion. After the inkjet head 2 is stored in the saddle portion, an adhesive is poured between the saddle portion and the inkjet head 2 to seal the gap.
- an opening 3 a that is an external connection terminal opened on the end surface A of the electrode 5 of the inkjet head 2 and an opening 4 a that is an external connection terminal opened on the end surface B are provided.
- the flexible wiring boards 23 and 24 are connected via an anisotropic conductive resin (not shown). Thereby, the electrode 5 of the inkjet head 2 can be driven from the outside.
- the connection method in addition to the connection method using anisotropic conductive resin, there are conceivable methods such as a method of connecting the leads of the flexible wiring boards 23 and 24 directly to the external connection terminals, a method of connecting by wire bonding, etc. .
- the connecting portion of the flexible wiring board 23, 24 to the external connection terminal has a thickness of about 50 ⁇ m
- the lading depth of the lading portion is set so that when the inkjet head 2 is stored, the upper portion is the lazy portion.
- the surface of the inkjet head 2 and the flexible wiring boards 23 and 24 has no step when set to a depth that protrudes 50 m further upward. Can be produced.
- an electrode protective film (not shown) is formed to a thickness of about lO / zm for the purpose of protecting the electrodes 5 formed on the inner walls of the ink chambers 3 and 4 of the inkjet head 2 from ink.
- this electrode protective film adheres to portions other than the ink chambers 3 and 4, masking is performed by applying a masking tape or the like to the flexible wiring boards 23 and 24, etc., which are not necessary for adhesion, during the film forming process.
- the electrode protective film may be formed before the connection of the flexible wiring boards 23 and 24. In that case, the external connection terminals must be masked with a masking tape or the like.
- the nozzle plate 26 with the nozzle holes 25 processed is joined to the surface of the inkjet head 2.
- the nozzle hole 25 is opened at a position corresponding to the ink chambers 3 and 4 of the inkjet head 2, and the outer size of the nozzle plate 26 is set larger than the outer size of the inkjet head 2.
- Adhesive is transferred to the surface of the ink jet head 2, the ink chambers 3, 4 of the ink jet head 2 and the nozzle hole 25 of the nozzle plate 26 are monitored with a position detection camera, and the position is corrected to join the nozzle plate 26.
- an adhesive is poured into the gap between the nozzle plate 26 and the base 20 to seal the inside of the nozzle plate 26.
- the inkjet head unit 27 as shown in FIG. 8 can be manufactured through the above steps.
- the ink supplied from the ink supply pipe 21 of the ink jet head unit 27 flows from the ink reservoir space 28 in the saddle portion of the base 20 through the common ink chamber 6 of the ink jet head 2 and flows into each ink chamber 3 to be flexible.
- the ink is ejected from the nozzle hole 25 formed in the nozzle plate 26.
- the ink supplied from the ink supply pipe 22 of the inkjet head unit 27 flows from the ink reservoir space 29 of the counterbore part of the base 20 into the ink chamber 4 through the common ink chamber 7 of the inkjet head 2 and is connected to the flexible wiring.
- By driving the electrode 5 in the ink chamber with a pulse voltage through the substrate 24 ink is ejected from the nozzle hole 25 formed in the nozzle plate 26.
- Ink ejection is in the direction of the surface of the piezoelectric substrate 1 on the side where grooves are to be formed.
- the parallelism between the back surface and the surface of the piezoelectric substrate 1 can be set to about 3 m. Therefore, by setting the reference for mounting the inkjet head 2 to the back surface of the piezoelectric substrate 1, the change on the Z axis in FIG. 8, a (rotation around the X axis), ⁇ (centering around the ⁇ axis) The rotation with the nozzle surface can be controlled to about 3 ⁇ m.
- the positional accuracy of cutting of the inkjet head 2 by the dicing machine can be set to about 2 to 3 ⁇ m
- the back surface of the piezoelectric substrate 1 is set as the first reference, and the inkjet head 2
- the cutting part of the die cinder machine By using the cutting part of the die cinder machine as the second standard, fluctuations on the X axis, fluctuations on the Y axis, and ⁇ (rotation around the axis) can be regulated.
- the plurality of inkjet heads 2 can be aligned with high accuracy and a multi-color inkjet head can be obtained. Units can be assembled. That is, by using the back surface of each ink jet head 2 as the first reference, fluctuations on the axis, oc (rotation around the X axis), ⁇ (rotation around the axis) can be regulated. .
- FIG. 9 shows an example in which the two-color inkjet head unit 27 is constructed by assembling the two inkjet heads 2 by such a method.
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/662,832 US7641320B2 (en) | 2004-09-14 | 2005-09-14 | Ink jet head and method of manufacture thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004267545A JP3762418B2 (ja) | 2004-09-14 | 2004-09-14 | インクジェットヘッド及びその製造方法 |
JP2004-267545 | 2004-09-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006030801A1 true WO2006030801A1 (ja) | 2006-03-23 |
Family
ID=36060053
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/016887 WO2006030801A1 (ja) | 2004-09-14 | 2005-09-14 | インクジェットヘッド及びその製造方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7641320B2 (ja) |
JP (1) | JP3762418B2 (ja) |
WO (1) | WO2006030801A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1997431A1 (en) | 2006-03-22 | 2008-12-03 | Panasonic Corporation | Biosensor and apparatus for measuring concentration of components |
JP4286302B2 (ja) * | 2007-05-14 | 2009-06-24 | シャープ株式会社 | インクジェットヘッドおよびその製造方法 |
JP2009096041A (ja) * | 2007-10-16 | 2009-05-07 | Sharp Corp | インクジェットヘッドおよびインクジェットヘッド装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001199065A (ja) * | 2000-01-21 | 2001-07-24 | Seiko Epson Corp | インクジェット式記録ヘッド及びインクジェット式記録装置 |
JP2001347662A (ja) * | 2000-06-12 | 2001-12-18 | Sharp Corp | インクジェット画像形成装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10235907A (ja) | 1997-02-26 | 1998-09-08 | Tec Corp | カラーインクジェットプリンタ |
US7073893B2 (en) * | 2002-12-03 | 2006-07-11 | Konica Minolta Holdings Inc. | Inkjet recording head |
JP2006231685A (ja) * | 2005-02-24 | 2006-09-07 | Toshiba Tec Corp | インクジェット記録装置 |
-
2004
- 2004-09-14 JP JP2004267545A patent/JP3762418B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-14 US US11/662,832 patent/US7641320B2/en not_active Expired - Fee Related
- 2005-09-14 WO PCT/JP2005/016887 patent/WO2006030801A1/ja active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001199065A (ja) * | 2000-01-21 | 2001-07-24 | Seiko Epson Corp | インクジェット式記録ヘッド及びインクジェット式記録装置 |
JP2001347662A (ja) * | 2000-06-12 | 2001-12-18 | Sharp Corp | インクジェット画像形成装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2006082303A (ja) | 2006-03-30 |
JP3762418B2 (ja) | 2006-04-05 |
US20070263039A1 (en) | 2007-11-15 |
US7641320B2 (en) | 2010-01-05 |
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