JPH11179900A - Ink-jet head - Google Patents
Ink-jet headInfo
- Publication number
- JPH11179900A JPH11179900A JP35664497A JP35664497A JPH11179900A JP H11179900 A JPH11179900 A JP H11179900A JP 35664497 A JP35664497 A JP 35664497A JP 35664497 A JP35664497 A JP 35664497A JP H11179900 A JPH11179900 A JP H11179900A
- Authority
- JP
- Japan
- Prior art keywords
- ink
- plate
- chamber
- diaphragm
- jet head
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、インクを充填させ
たインクチャンバーから、インクチャンバーの隔壁の一
部を変形させることにより、インクチャンバーに接続す
るオリフィス部よりインク滴を飛翔させるインクジェッ
ト式印字ヘッドに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ink jet print head for ejecting ink droplets from an orifice portion connected to an ink chamber by deforming a part of a partition of the ink chamber from an ink chamber filled with ink. About.
【０００２】[0002]
【従来の技術】従来のインクジェットヘッドは、隔壁を
接合するために例えばエポキシ系の接着剤を用いて接合
を行っていたため、接着剤の塗布量の管理が必要であ
り、量が多すぎた場合にはインクの流路を狭めたり、塞
いだりする弊害があった。特に一つのインクジェットヘ
ッドで多数のオリフィスを有するものの場合は、何処か
一箇所のオリフィスにおいて、所要の性能が得られない
ために、インクジェットヘッドとしては、不良になって
しまうという不具合があった。2. Description of the Related Art Conventional ink jet heads use, for example, an epoxy-based adhesive to join barrier ribs, so that it is necessary to control the amount of adhesive applied. Has the adverse effect of narrowing or blocking the ink flow path. In particular, in the case of a single inkjet head having a large number of orifices, the required performance cannot be obtained at any one orifice, so that the inkjet head is defective.
【０００３】また、図５に示すような従来のインクジェ
ットヘッドにおいては、インク流路９の一部はチャンバ
ープレート７の上に設けられ、溝の幅や深さ方向の微細
な加工にはエッチングや放電加工等の加工技術を用いて
いる。そのため、複雑な工程や多くの時間が必要とな
り、価格低減の障害となっていた。In a conventional ink jet head as shown in FIG. 5, a part of an ink flow path 9 is provided on a chamber plate 7, and etching or etching for fine processing in the width or depth direction of a groove is performed. Processing technology such as electrical discharge machining is used. For this reason, complicated steps and a lot of time are required, which has been an obstacle to cost reduction.
【０００４】[0004]
【発明が解決しようとする課題】本発明の目的は、接着
剤等の接合手段を用いずに、インクチャンバーの隔壁を
接合し、目的とする流路寸法を確保することにより、複
数あるチャンネル間の特性を一定にし、生産性の良い安
価なインクジェットヘッドの製法を提供することにあ
る。SUMMARY OF THE INVENTION It is an object of the present invention to provide a method of joining a partition of an ink chamber without using a joining means such as an adhesive and securing a desired size of a flow path. The object of the present invention is to provide a method for manufacturing an inexpensive ink jet head with good characteristics and high productivity.
【０００５】[0005]
【課題を解決するための手段】インクチャンバーの隔壁
を構成する部材を金属で構成することにより、金属同士
の分子間結合力による接合、所謂金属拡散接合が可能に
なる。By forming the members constituting the partition walls of the ink chamber with a metal, it is possible to perform a so-called metal diffusion bonding between metals by an intermolecular bonding force.
【０００６】[0006]
【発明の実施の形態】以下、本発明の実施例を図１を参
照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIG.
【０００７】図１は本発明になるインクジェットヘッド
の外観図である。図示していないインク供給タンクから
押さえ板４に設けられた共通インク室１０にインクが供
給され、インクとヘッドの水頭差と毛細管現象によりイ
ンクはプレート５と流路プレート２８の流路９を通って
ダイヤフラム６，チャンバープレート７及びオリフィス
プレート１２で構成される加圧室１１に充填される。FIG. 1 is an external view of an ink jet head according to the present invention. Ink is supplied from a not-shown ink supply tank to a common ink chamber 10 provided in the holding plate 4, and the ink passes through the plate 5 and the flow path 9 of the flow path plate 28 due to the head difference between the head and the capillary phenomenon. The pressure chamber 11 is formed by the diaphragm 6, the chamber plate 7 and the orifice plate 12.
【０００８】ダイヤフラム６にはフット３を介し、スペ
ーサ１９で保持する基板１に取り付けられた電歪素子２
に接続しており、図示はしていない駆動回路により、電
気信号が電歪素子２に加えられることにより、機械的な
変位が電歪素子２に生じ、剛体であるフット３を介しダ
イヤフラム６を変形させる。An electrostrictive element 2 attached to a substrate 1 held by a spacer 19 via a foot 3 on a diaphragm 6
When a drive circuit (not shown) applies an electric signal to the electrostrictive element 2, mechanical displacement occurs in the electrostrictive element 2, and the diaphragm 6 is moved through the rigid foot 3. Deform.
【０００９】加圧室１１の変形はその体積を縮小する方
向に生じ、オリフィスプレート１２に設けられたオリフ
ィス８よりインク滴が噴出する。図１は良く知られてい
る所謂オン・デマンド型のインクジェットヘッドであ
る。The deformation of the pressurizing chamber 11 occurs in the direction of reducing its volume, and ink droplets are ejected from the orifice 8 provided on the orifice plate 12. FIG. 1 shows a well-known so-called on-demand type ink jet head.
【００１０】図２は図１にて説明したオン・デマンドヘ
ッドの各部品の平面図である。オリフィスプレート１２
にはオリフィス８が所望の数だけ設けられている。チャ
ンバープレート７には加圧室１１を構成するための貫通
孔Ａ１３が設けられている。流路プレート２８には図４
に示すように、インク供給の流路９を形成するための流
路スリット３０と貫通孔２９が設けられている。流路ス
リット３０の部分は貫通しているため、プレス等の打ち
抜きで製作できる。ダイヤフラム６には流路９を構成す
るための流路孔１５が開けられている。FIG. 2 is a plan view of each part of the on-demand head described with reference to FIG. Orifice plate 12
Is provided with a desired number of orifices 8. The chamber plate 7 is provided with a through hole A13 for forming the pressurized chamber 11. As shown in FIG.
As shown in (1), a passage slit 30 and a through hole 29 for forming the ink supply passage 9 are provided. Since the passage slit 30 penetrates, it can be manufactured by punching with a press or the like. The diaphragm 6 has a passage hole 15 for forming the passage 9.
【００１１】プレート５にはフット３が入るための貫通
孔Ｂ１６及び流路９を形成するための流路溝Ｂ１７が開
けられている。押さえ板４にはフット３及び電歪素子２
が入るための窓１８が開けられ、さらに共通インク室１
０となる共通インク室溝２５が掘りこまれている。The plate 5 is provided with a through hole B16 for receiving the foot 3 and a flow channel groove B17 for forming the flow channel 9. The foot 3 and the electrostrictive element 2
Window 18 for opening the ink chamber 1 is opened, and the common ink chamber 1
The common ink chamber groove 25 which is 0 is dug.
【００１２】これらのヘッド構成部品の表面に付着して
いる油脂等を取り除くために洗浄をした後、図３に示す
如く配置し、金属拡散接合のための真空炉にいれる。炉
内を高温，高圧の状態にすることにより各部品の接続部
は合金状態となり、確実な接合が出来る。この時、接合
のために接着剤等を用いる必要はなく、微細な加工を施
した、流路９を予定外に塞いでしまう事はない。After cleaning to remove oils and fats adhering to the surface of these head components, they are arranged as shown in FIG. 3 and placed in a vacuum furnace for metal diffusion bonding. By setting the inside of the furnace at a high temperature and a high pressure, the connection portion of each component becomes an alloy state, and reliable joining can be performed. At this time, it is not necessary to use an adhesive or the like for bonding, and the finely processed channel 9 is not unexpectedly blocked.
【００１３】[0013]
【発明の効果】以上のように、本発明によれば、接着剤
等の接合手段を用いずに、チャンネル間特性の揃ったイ
ンクジェットヘッドの製作をすることができる。また、
微細なインク流路の加工もプレス打ち抜き等の手段で行
う事が出来る。As described above, according to the present invention, it is possible to manufacture an ink jet head having uniform characteristics between channels without using a bonding means such as an adhesive. Also,
The processing of the fine ink channel can also be performed by means such as press punching.
【図１】本発明になるインクジェットヘッドの外観図。FIG. 1 is an external view of an inkjet head according to the present invention.
【図２】本発明になるインクジェットヘッドの各部品
図。FIG. 2 is a view showing each part of the ink jet head according to the present invention.
【図３】本発明になるインクジェットヘッドの配置図。FIG. 3 is a layout diagram of an inkjet head according to the present invention.
【図４】流路プレートの外観図。FIG. 4 is an external view of a flow path plate.
【図５】本発明の従来のインクジェットヘッドの各部品
図。FIG. 5 is a view showing each part of a conventional inkjet head according to the present invention.
１…基板、２…電歪素子、３…フット、４…押さえ板、
５…プレート、６…ダイヤフラム、７…チャンバープレ
ート、８…オリフィス、９…流路、１０…共通インク
室、１１…加圧室、１２…オリフィスプレート、１３…
貫通孔Ａ、１４…流路溝、１５…流路孔Ａ、１６…貫通
孔Ｂ、１７…流路溝Ｂ、１８…窓、１９…スペーサ、２
５…共通インク室溝、２８…流路プレート、２９…貫通
孔Ｅ、３０…流路スリット。DESCRIPTION OF SYMBOLS 1 ... board, 2 ... electrostrictive element, 3 ... foot, 4 ... holding plate,
Reference numeral 5: plate, 6: diaphragm, 7: chamber plate, 8: orifice, 9: flow path, 10: common ink chamber, 11: pressurized chamber, 12: orifice plate, 13 ...
Through-holes A, 14: Channel grooves, 15: Channel holes A, 16: Through holes B, 17: Channel grooves B, 18, Windows, 19: Spacers, 2
5: Common ink chamber groove, 28: Channel plate, 29: Through hole E, 30: Channel slit.
Claims (2)
レートと、該オリフィス部に対応する数のインクチャン
バーを有するチャンバープレートと、インク流路を構成
するプレートと、インクチャンバー内に保持されたイン
クに圧力を加えるためのダイヤフラムプレートからなる
インクジェットヘッドにおいて、各プレートを金属で製
作し、積層して、金属拡散接合によりヘッドの構成部材
を接合したことを特徴とするインクジェットヘッド。An orifice plate having a plurality of orifices, a chamber plate having a number of ink chambers corresponding to the orifices, a plate forming an ink flow path, and a pressure applied to the ink held in the ink chamber. An ink-jet head comprising a diaphragm plate for adding an ink jet head, wherein each plate is made of metal, laminated, and the components of the head are joined by metal diffusion bonding.
おいて、インク流路を形成するための流路プレートを貫
通孔としたことを特徴とするインクジェットヘッド。2. An ink jet head according to claim 1, wherein a flow path plate for forming an ink flow path is formed as a through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35664497A JPH11179900A (en) | 1997-12-25 | 1997-12-25 | Ink-jet head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP35664497A JPH11179900A (en) | 1997-12-25 | 1997-12-25 | Ink-jet head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11179900A true JPH11179900A (en) | 1999-07-06 |
Family
ID=18450061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP35664497A Pending JPH11179900A (en) | 1997-12-25 | 1997-12-25 | Ink-jet head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11179900A (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001089849A1 (en) * | 2000-05-24 | 2001-11-29 | Silverbrook Research Pty. Ltd. | Laminated ink distribution assembly for a printer |
| US6409323B1 (en) | 2000-05-23 | 2002-06-25 | Silverbrook Research Pty Ltd | Laminated ink distribution assembly for a printer |
| AU2004202971B1 (en) * | 2000-05-24 | 2004-07-22 | Silverbrook Research Pty Ltd | Printhead with laminated ink distribution assembly |
| US6796731B2 (en) | 2000-05-23 | 2004-09-28 | Silverbrook Research Pty Ltd | Laminated ink distribution assembly for a printer |
| US6918647B2 (en) | 2001-09-04 | 2005-07-19 | Silverbrook Research Pty Ltd | Inkjet printhead assembly having a rotary platen assembly |
| US6984080B2 (en) | 2000-05-23 | 2006-01-10 | Silverbrook Research Pty Ltd | Laminated distribution structure |
| US6988840B2 (en) | 2000-05-23 | 2006-01-24 | Silverbrook Research Pty Ltd | Printhead chassis assembly |
| EP1674265A1 (en) | 2004-12-27 | 2006-06-28 | Brother Kogyo Kabushiki Kaisha | A method of manufacturing an ink jet head |
| JP2006192893A (en) * | 2004-12-16 | 2006-07-27 | Brother Ind Ltd | Liquid conveying apparatus and its manufacturing method |
| US7213989B2 (en) | 2000-05-23 | 2007-05-08 | Silverbrook Research Pty Ltd | Ink distribution structure for a printhead |
| US7249413B2 (en) | 2003-06-30 | 2007-07-31 | Brother Kogyo Kabushiki Kaisha | Method for manufacturing inkjet printing head |
| KR100807901B1 (en) * | 2002-11-20 | 2008-02-27 | 실버브룩 리서치 피티와이 리미티드 | Laminated Ink Distribution Assembly for a Printer |
| US7695114B2 (en) | 2006-02-20 | 2010-04-13 | Ricoh Printing Systems, Ltd. | Inkjet head and method of producing the same |
| US8678550B2 (en) | 2000-05-24 | 2014-03-25 | Zamtec Ltd | Printhead assembly with laminated ink distribution stack |
| US9028048B2 (en) | 2000-05-23 | 2015-05-12 | Memjet Technology Ltd. | Printhead assembly incorporating ink distribution assembly |
-
1997
- 1997-12-25 JP JP35664497A patent/JPH11179900A/en active Pending
Cited By (46)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7325986B2 (en) | 2000-05-23 | 2008-02-05 | Silverbrook Research Pty Ltd | Printhead assembly with stacked ink distribution sheets |
| US9028048B2 (en) | 2000-05-23 | 2015-05-12 | Memjet Technology Ltd. | Printhead assembly incorporating ink distribution assembly |
| US9254655B2 (en) | 2000-05-23 | 2016-02-09 | Memjet Technology Ltd. | Inkjet printer having laminated stack for receiving ink from ink distribution molding |
| US7328994B2 (en) | 2000-05-23 | 2008-02-12 | Silverbrook Research Pty Ltd | Print engine assembly with slotted chassis |
| US6796731B2 (en) | 2000-05-23 | 2004-09-28 | Silverbrook Research Pty Ltd | Laminated ink distribution assembly for a printer |
| US8696096B2 (en) | 2000-05-23 | 2014-04-15 | Zamtec Ltd | Laminated ink supply structure mounted in ink distribution arrangement of an inkjet printer |
| US6984016B2 (en) | 2000-05-23 | 2006-01-10 | Silverbrook Research Pty. Ltd. | Self-cleaning inkjet printhead assembly |
| US6984080B2 (en) | 2000-05-23 | 2006-01-10 | Silverbrook Research Pty Ltd | Laminated distribution structure |
| US6988840B2 (en) | 2000-05-23 | 2006-01-24 | Silverbrook Research Pty Ltd | Printhead chassis assembly |
| US6994419B2 (en) | 2000-05-23 | 2006-02-07 | Silverbrook Research Pty Ltd | Multi-function printhead platen |
| US6997626B2 (en) | 2000-05-23 | 2006-02-14 | Silverbrook Research Pty Ltd | Ink and air distribution within a printer assembly |
| US6997625B2 (en) | 2000-05-23 | 2006-02-14 | Silverbrook Research Pty Ltd | Ink distribution assembly |
| US7044577B2 (en) | 2000-05-23 | 2006-05-16 | Silverbrook Research Pty Ltd | Printer having a rotary platen assembly for supporting print media |
| US8075112B2 (en) | 2000-05-23 | 2011-12-13 | Silverbrook Research Pty Ltd | Printhead assembly with air cleaning arrangement |
| US7980658B2 (en) | 2000-05-23 | 2011-07-19 | Silverbrook Research Pty Ltd | Rotatable platen |
| US7083258B2 (en) | 2000-05-23 | 2006-08-01 | Silverbrook Research Pty Ltd | Printhead assembly |
| US7931358B2 (en) | 2000-05-23 | 2011-04-26 | Silverbrook Research Pty Ltd | Pagewidth printhead assembly with top-fed ink ducts |
| US7841710B2 (en) | 2000-05-23 | 2010-11-30 | Silverbrook Research Pty Ltd | Printhead assembly with a pressurized air supply for an inkjet printer |
| US7192125B2 (en) | 2000-05-23 | 2007-03-20 | Silverbrook Research Pty Ltd | Ink jet printer that incorporates an ink distribution assembly |
| US7213989B2 (en) | 2000-05-23 | 2007-05-08 | Silverbrook Research Pty Ltd | Ink distribution structure for a printhead |
| US7824021B2 (en) | 2000-05-23 | 2010-11-02 | Silverbrook Research Pty Ltd | Printhead assembly with printheads within a laminated stack which, in turn is within an ink distribution structure |
| US7284817B2 (en) | 2000-05-23 | 2007-10-23 | Silverbrook Research Pty Ltd | Printer with a self-cleaning inkjet printhead assembly |
| US7748833B2 (en) | 2000-05-23 | 2010-07-06 | Silverbrook Research Pty Ltd | Ink distribution structure with a laminated ink supply stack for an inkjet printer |
| US6409323B1 (en) | 2000-05-23 | 2002-06-25 | Silverbrook Research Pty Ltd | Laminated ink distribution assembly for a printer |
| US7114868B2 (en) | 2000-05-23 | 2006-10-03 | Silverbrook Research Pty Ltd | Inkjet printing assembly with multi-purpose platen assembly |
| US7364377B2 (en) | 2000-05-23 | 2008-04-29 | Silverbrook Research Pty Ltd | Print engine assembly with an elongate converging ink distribution assembly |
| US7740338B2 (en) | 2000-05-23 | 2010-06-22 | Silverbrook Research Pty Ltd | Printhead assembly having a pressurised air supply |
| US7658467B2 (en) | 2000-05-23 | 2010-02-09 | Silverbrook Research Pty Ltd | Printhead assembly laminated ink distribution stack |
| US7425053B2 (en) | 2000-05-23 | 2008-09-16 | Silverbrook Research Pty Ltd | Printhead assembly with a laminated ink distribution assembly |
| US7467859B2 (en) | 2000-05-23 | 2008-12-23 | Silverbrook Research Pty Ltd | Pagewidth printhead assembly with ink distribution arrangement |
| US8678550B2 (en) | 2000-05-24 | 2014-03-25 | Zamtec Ltd | Printhead assembly with laminated ink distribution stack |
| AU2000247329B2 (en) * | 2000-05-24 | 2004-04-08 | Memjet Technology Limited | Laminated ink distribution assembly for a printer |
| AU2004202971B1 (en) * | 2000-05-24 | 2004-07-22 | Silverbrook Research Pty Ltd | Printhead with laminated ink distribution assembly |
| WO2001089849A1 (en) * | 2000-05-24 | 2001-11-29 | Silverbrook Research Pty. Ltd. | Laminated ink distribution assembly for a printer |
| US7744201B2 (en) | 2000-05-24 | 2010-06-29 | Silverbrook Research Pty Ltd | Printhead assembly with an ink cassette having an air filter |
| US7789485B2 (en) | 2000-05-24 | 2010-09-07 | Silverbrook Research Pty Ltd | Printhead assembly having laminated ink and air distribution structure |
| US7407259B2 (en) | 2000-05-24 | 2008-08-05 | Silverbrook Research Pty Ltd | Printhead assembly comprising laminated ink distribution structure |
| US6918647B2 (en) | 2001-09-04 | 2005-07-19 | Silverbrook Research Pty Ltd | Inkjet printhead assembly having a rotary platen assembly |
| US7178892B2 (en) | 2001-09-04 | 2007-02-20 | Silverbrook Res Pty Ltd | Printhead-to-platen variable spacing mechanism |
| KR100807901B1 (en) * | 2002-11-20 | 2008-02-27 | 실버브룩 리서치 피티와이 리미티드 | Laminated Ink Distribution Assembly for a Printer |
| US7249413B2 (en) | 2003-06-30 | 2007-07-31 | Brother Kogyo Kabushiki Kaisha | Method for manufacturing inkjet printing head |
| JP2006192893A (en) * | 2004-12-16 | 2006-07-27 | Brother Ind Ltd | Liquid conveying apparatus and its manufacturing method |
| US7426783B2 (en) | 2004-12-27 | 2008-09-23 | Brother Kogyo Kabushiki Kaisha | Method of manufacturing an ink jet head |
| EP1674265A1 (en) | 2004-12-27 | 2006-06-28 | Brother Kogyo Kabushiki Kaisha | A method of manufacturing an ink jet head |
| CN100406260C (en) * | 2004-12-27 | 2008-07-30 | 兄弟工业株式会社 | Method of manufacturing an ink jet head |
| US7695114B2 (en) | 2006-02-20 | 2010-04-13 | Ricoh Printing Systems, Ltd. | Inkjet head and method of producing the same |
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