JPH03240543A - Ink jet printer head - Google Patents
Ink jet printer headInfo
- Publication number
- JPH03240543A JPH03240543A JP3876190A JP3876190A JPH03240543A JP H03240543 A JPH03240543 A JP H03240543A JP 3876190 A JP3876190 A JP 3876190A JP 3876190 A JP3876190 A JP 3876190A JP H03240543 A JPH03240543 A JP H03240543A
- Authority
- JP
- Japan
- Prior art keywords
- printer head
- plate
- inkjet printer
- polymer compound
- organic polymer
- 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
- 150000001875 compounds Chemical class 0.000 claims abstract description 9
- 229920000620 organic polymer Polymers 0.000 claims abstract description 9
- 239000002184 metal Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 abstract description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 abstract description 2
- 239000004642 Polyimide Substances 0.000 abstract description 2
- 229910052731 fluorine Inorganic materials 0.000 abstract description 2
- 239000011737 fluorine Substances 0.000 abstract description 2
- 229920002492 poly(sulfone) Polymers 0.000 abstract description 2
- 229920000728 polyester Polymers 0.000 abstract description 2
- 229920001721 polyimide Polymers 0.000 abstract description 2
- 229920001296 polysiloxane Polymers 0.000 abstract description 2
- 229920002635 polyurethane Polymers 0.000 abstract description 2
- 239000004814 polyurethane Substances 0.000 abstract description 2
- 229920005989 resin Polymers 0.000 abstract description 2
- 239000011347 resin Substances 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- -1 acryl Chemical group 0.000 abstract 1
- 238000007599 discharging Methods 0.000 abstract 1
- 239000012790 adhesive layer Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はインクジェットプリンタヘッドに関す［従来の
技術］
複数のノズル開口を備えた板状部材と、その背後にイン
クと直接接触してインクを加圧する圧電変換器を配設し
たインクジェットプリンタヘッドは特公昭６０’−８９
５３号公報に開示されているこのインクジェットプリン
タヘッドの圧電変換器の表裏両面に金属電極が形成され
、この電極間に通電され、変位が発生し、充填されてい
るインクをノズル開口より吐出する。Detailed Description of the Invention [Industrial Field of Application] The present invention relates to an inkjet printer head [Prior Art] A plate-shaped member having a plurality of nozzle openings and a plate-like member provided with a plurality of nozzle openings, and a plate-like member provided with a plurality of nozzle openings and a plate-like member behind the plate-shaped member that is in direct contact with the ink. The inkjet printer head equipped with a piezoelectric transducer for pressurization was produced by the Special Publication Corporation in 1989-1989.
Metal electrodes are formed on both the front and back surfaces of the piezoelectric transducer of this inkjet printer head disclosed in Japanese Patent No. 53, and electricity is applied between the electrodes to generate displacement and discharge the filled ink from the nozzle opening.
［発明が解決しようとする課題］
しかしながら、このインクジェットプリンタヘッドでは
、ノズル開口を有する板状部材が金属よりなるため、イ
ンクの表面張力が３０ダイン／平方センチメートル以上
のインクを使用すると、ノズル開口を有する板状部材の
表面にインクが濡れ広がり、良好なインク吐出が得られ
ないという課題がある。[Problems to be Solved by the Invention] However, in this inkjet printer head, since the plate member having the nozzle opening is made of metal, if ink with a surface tension of 30 dynes/cm2 or more is used, the plate member having the nozzle opening There is a problem in that the ink wets and spreads on the surface of the plate-shaped member, making it impossible to obtain good ink discharge.
そこで本発明の目的とするところは、インクの表面張力
が３０ダイン／平方センチメートル以上のインクを使用
しても、インクがノズル開口を有する板状部材の表面に
濡れ広がらなく、良好なインク吐出が得られるインクジ
ェットプリンタヘッドを提供することにある。Therefore, an object of the present invention is that even if an ink having a surface tension of 30 dynes/cm2 or more is used, the ink does not wet and spread on the surface of a plate-like member having a nozzle opening, and good ink ejection can be achieved. An object of the present invention is to provide an inkjet printer head that can be used.
１課題を解決するための手段］
本発明のインクジェットプリンタヘッドは記録媒体に対
向するよう配設される複数のノズル開口を有する板状部
材と、その背後に位置する振動子から少なくとも構成さ
れるインクジェットプリンタヘッドに於て、前記板状部
材の表面に有機高分子化合物からなる膜を付与すること
を特徴とする［実施例］
そこで以下に本発明のインクジェットプリンタヘッドの
構造の一実施例を、図示した実施例により説明する。[Means for Solving 1 Problem] The inkjet printer head of the present invention is an inkjet printer head that includes at least a plate member having a plurality of nozzle openings arranged to face a recording medium, and a vibrator located behind the plate member. In the printer head, a film made of an organic polymer compound is applied to the surface of the plate member [Example] An example of the structure of the inkjet printer head of the present invention will be described below. This will be explained using an example.
第１図は、インクジェットプリンタヘッドの断面を示し
たもので、このインクジェットプリンタヘッド１は、プ
ラテン２の軸方向に走行する図示しないキャリッヂ上に
搭載されている。FIG. 1 shows a cross section of an inkjet printer head, and this inkjet printer head 1 is mounted on a carriage (not shown) that runs in the axial direction of a platen 2. As shown in FIG.
３はプラテン軸の方向に所用の数のインク滴を吐出する
ためのノズル開ＩＩ］ ４を有する板状部材である。板
状部材３０表面に有機高分子化合物膜１４が形成されて
いる。3 is a plate-like member having a nozzle opening II] 4 for ejecting a predetermined number of ink droplets in the direction of the platen axis. An organic polymer compound film 14 is formed on the surface of the plate member 30 .
５はこの板状部材３と間隔制御部材乙により所定位置に
ある圧電変換器である。この圧電変換器は、第２図に示
すように、ＰＺＴよりなる圧電素子１１の一面に共通電
極１２を、他面にパターン電極１３を有する構造をとり
、ノズル開［−１４と等しい間隔の切れ込みをもつ櫛歯
形状の構成を有する振動子１０となる。5 is a piezoelectric transducer located at a predetermined position by this plate member 3 and the interval control member B. As shown in FIG. 2, this piezoelectric transducer has a structure in which a piezoelectric element 11 made of PZT has a common electrode 12 on one side and a pattern electrode 13 on the other side, and has notches at intervals equal to the nozzle opening [-14]. The vibrator 10 has a comb-shaped configuration.
そして圧電変換器５はパターン電極と共通電極間に選択
的に電圧を加えることにより、板状部イｎ６０面に直角
の方向に振動し、ノズル板８と振動子１００間に存在す
るインク７を押圧し、これをノズル４からプラテン２上
にある記録紙８に吐出する。Then, by selectively applying a voltage between the pattern electrode and the common electrode, the piezoelectric transducer 5 vibrates in a direction perpendicular to the plate-like part n60 surface, and the ink 7 existing between the nozzle plate 8 and the vibrator 100 is vibrated. Press it and discharge it from the nozzle 4 onto the recording paper 8 on the platen 2.
９は板状部材ろと間隔制御部材を接合する接着剤層であ
る。Reference numeral 9 denotes an adhesive layer for bonding the plate-like member and the spacing control member.
次に本発明の有機高分子化合物からなる膜について説明
するが、これに限定されるものではない本発明に用いら
れる有機高分子化合物は、特に限定されるものではなく
、エポキシ、ポリエステル、アクリル、ポリイミド、ポ
リウレタン、シリコン、フッソ、ポリサルフォン樹脂等
が使用できる。Next, a film made of an organic polymer compound of the present invention will be described, but is not limited thereto.The organic polymer compound used in the present invention is not particularly limited, and includes epoxy, polyester, acrylic, Polyimide, polyurethane, silicone, fluorine, polysulfone resin, etc. can be used.
この膜の形成方法としては、印刷法、スピンナー塗布法
等があるが、特に限定されるものではない。尚膜厚は特
に限定されるものではないが、好ましくは１から５ミク
ロンである。Methods for forming this film include printing methods, spinner coating methods, etc., but are not particularly limited. Although the film thickness is not particularly limited, it is preferably 1 to 5 microns.
［発明の効果］
以上、述べたように、本発明のインクジェットプリンタ
ヘッドは、水性インク等の電気伝導性を有するインクの
使用が可能となり、良好な印字が得られるという優れた
効果を有する。[Effects of the Invention] As described above, the inkjet printer head of the present invention has the excellent effect that it is possible to use electrically conductive ink such as water-based ink, and good printing can be obtained.
第１図は、本発明のインクジェットプリンタヘッドの製
造方法により製造される記録装置の構造を示す断面図。
第２図は、圧電変換器の斜視図である。
１・・・・・・・・・インクジェットプリンタヘッド２
・・・・・・・・プラテン
６・・・・・・・・・板状部材
４・・・・・・・・・ノズル開口
５・・・・・・・−・圧電変換器
６・・・・・・・・間隔制御部材
７・・・・・・・・・インク
８・・・・・・・・・記録紙
９・・・・・・・・・接着剤層
１０・・・・・・振動子
・・・・・・圧電素子
・・・・・・共通電極
・・・・・・パターン電極
・・・・・・有機高分子化合物膜FIG. 1 is a sectional view showing the structure of a recording device manufactured by the inkjet printer head manufacturing method of the present invention. FIG. 2 is a perspective view of the piezoelectric transducer. 1... Inkjet printer head 2
......Platen 6...Plate member 4...Nozzle opening 5...Piezoelectric transducer 6... ..... Spacing control member 7 ..... Ink 8 ..... Recording paper 9 ..... Adhesive layer 10 .... ... Vibrator ... Piezoelectric element ... Common electrode ... Pattern electrode ... Organic polymer compound film
Claims (2)
開口を有する板状部材と、その背後に位置する電極を有
する振動子から少なくとも構成されるインクジェットプ
リンタヘッドに於て、前記板状部材の表面に有機高分子
化合物からなる膜を付与することを特徴とするインクジ
ェットプリンタヘッド。(1) In an inkjet printer head comprising at least a plate-shaped member having a plurality of nozzle openings arranged to face a recording medium, and a vibrator having an electrode located behind the plate-shaped member, the plate-shaped member An inkjet printer head characterized in that a film made of an organic polymer compound is applied to the surface of the inkjet printer head.
求項１記載のインクジェットプリンタヘッド。(2) The inkjet printer head according to claim 1, wherein the plate-like member is made of metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3876190A JPH03240543A (en) | 1990-02-20 | 1990-02-20 | Ink jet printer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3876190A JPH03240543A (en) | 1990-02-20 | 1990-02-20 | Ink jet printer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03240543A true JPH03240543A (en) | 1991-10-25 |
Family
ID=12534269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3876190A Pending JPH03240543A (en) | 1990-02-20 | 1990-02-20 | Ink jet printer head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03240543A (en) |
-
1990
- 1990-02-20 JP JP3876190A patent/JPH03240543A/en active Pending
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