JPH05254113A - Ink jet recording unit - Google Patents

Ink jet recording unit

Info

Publication number
JPH05254113A
JPH05254113A JP5396992A JP5396992A JPH05254113A JP H05254113 A JPH05254113 A JP H05254113A JP 5396992 A JP5396992 A JP 5396992A JP 5396992 A JP5396992 A JP 5396992A JP H05254113 A JPH05254113 A JP H05254113A
Authority
JP
Japan
Prior art keywords
wiring board
printed wiring
body frame
ink jet
width
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
Application number
JP5396992A
Other languages
Japanese (ja)
Inventor
Akihiko Kadowaki
昭彦 門脇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuji Electric Co Ltd
Original Assignee
Fuji Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fuji Electric Co Ltd filed Critical Fuji Electric Co Ltd
Priority to JP5396992A priority Critical patent/JPH05254113A/en
Publication of JPH05254113A publication Critical patent/JPH05254113A/en
Pending legal-status Critical Current

Links

Landscapes

  • Ink Jet (AREA)
  • Accessory Devices And Overall Control Thereof (AREA)

Abstract

PURPOSE:To enable a printed wiring board to be positioned in and temporarily fixed to a body frame certainly and easily. CONSTITUTION:A recording head 31 is positioned in and temporarily fixed to a U-shaped groove part 3 of a body frame 1 by fitting a recess part 38 of a holder 33 to a projected part 2 of the body frame 1. A printed wiring board 5 is positioned and temporarily fixed in respective directions of left and right, top and bottom, and front and rear of the body frame 1 by inserting an insertion part 7 into a slit 4. Further, insertion into the slit 4 becomes easy by tapering the insertion part 7 and since a terminal 8 of the printed wiring board 8 and the insertion part 7 are arranged side by side, the terminal 8 is prevented from floating from piezoelectric element 32 by inserting the insertion part 7 into the slit 7.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】この発明は、インクジェット記録
ヘッド(以下、記録ヘッドという)が搭載され、その圧
電素子に対する印加用帯状フレキシブルプリント配線板
(以下、プリント配線板という)がその端子部を圧電素
子の電極に押圧,接触させて取り付けられ、とくに本体
フレームに対するプリント配線板の位置決め,仮止めが
確実,容易におこなわれるインクジェット記録ユニット
に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention has an ink jet recording head (hereinafter referred to as a recording head) mounted therein, and a strip-shaped flexible printed wiring board (hereinafter referred to as a printed wiring board) for application to its piezoelectric element has its terminal portion piezoelectric. The present invention relates to an ink jet recording unit which is mounted by pressing and contacting the electrodes of an element, and particularly for positioning and temporarily fixing a printed wiring board with respect to a main body frame reliably and easily.

【0002】[0002]

【従来の技術】従来例について以下に図を参照しながら
説明する。図2は一従来例の分解斜視図である。図2に
おいて、一従来例は主として、本体フレーム11と、記録
ヘッド31を保持したホルダ33と、記録ヘッド31の圧電素
子32に電圧を印加するフレキシブルプリント配線板( 以
下、単にプリント配線板という)15 と、本体フレーム11
に対する上部カバー36と、同じくその前面カバー37とか
らなる。本体フレーム11は、記録紙幅方向に入力に応じ
て走行し位置決めされる、ここには図示してないキャリ
ッジに装着される部材で、左側の前面側にホルダ33の凹
部38を差し込み固定するための凸部12と、記録ヘッド31
およびプリント配線板15を挿入, 仮止めするU字溝部13
とを有する。ホルダ33は、記録ヘッド31を保持し、これ
には、4個のインクチューブ34を介して黒,赤,黄,青
4種類の各色のインク容器35が接続される。インク容器
35は、本体フレーム11に収容される形をとる。
2. Description of the Related Art A conventional example will be described below with reference to the drawings. FIG. 2 is an exploded perspective view of a conventional example. In FIG. 2, one conventional example is mainly a main body frame 11, a holder 33 holding a recording head 31, and a flexible printed wiring board for applying a voltage to a piezoelectric element 32 of the recording head 31 (hereinafter, simply referred to as a printed wiring board). 15 and body frame 11
And a front cover 37 thereof. The main body frame 11 is a member mounted on a carriage (not shown) that travels and is positioned in the recording paper width direction in response to an input, and is used to insert and fix the recess 38 of the holder 33 into the left front surface side. Projection 12 and recording head 31
U-shaped groove 13 for inserting and temporarily fixing printed wiring board 15
Have and. The holder 33 holds the recording head 31, to which four color ink containers 35 of black, red, yellow and blue are connected via four ink tubes 34. Ink container
35 has a shape to be accommodated in the main body frame 11.

【0003】記録ヘッド31は、本体フレーム11のU字溝
部13に上方から挿入され、ホルダ33の凹部38が本体フレ
ーム11の凸部12に嵌め込まれて固定される。記録ヘッド
31の下面に4個のノズルが開口し、対応する圧電素子32
の作動によってインク噴射がおこなわれる。プリント配
線板15は、4個の端子18が記録ヘッド31の対応する圧電
素子32と重なるように位置決めされ、下端部で粘着テー
プ19によって記録ヘッド31の表面下部に対して仮止めさ
れる。なお図には、各圧電素子32に対する共通端子が別
に示されている。次に、本体フレーム11に対し前面カバ
ー37が取り付けられて、記録ヘッド31とプリント配線板
15とを前面側から保護するが、そのとき同時に内面に付
設される、図示してない弾性押圧部材によって、プリン
ト配線板15の端子18と、圧電素子32の表面の電極とが押
圧, 接触され、確実な電気的導通が図られる。その後、
またはその前に、上部カバー36が本体フレーム11に取り
付けられて、プリント配線板15, インクチューブ34, イ
ンク容器35などを収容する形で保護する。
The recording head 31 is inserted into the U-shaped groove portion 13 of the main body frame 11 from above, and the concave portion 38 of the holder 33 is fitted and fixed in the convex portion 12 of the main body frame 11. Recording head
Piezoelectric element 32 with four nozzles opened on the bottom surface of 31
The ink is ejected by the operation of. The printed wiring board 15 is positioned so that the four terminals 18 overlap the corresponding piezoelectric elements 32 of the recording head 31, and is temporarily fixed to the lower surface of the recording head 31 by the adhesive tape 19 at the lower end. In the figure, a common terminal for each piezoelectric element 32 is shown separately. Next, the front cover 37 is attached to the body frame 11, and the recording head 31 and the printed wiring board are attached.
15 and 15 are protected from the front side, but at the same time, the terminals 18 of the printed wiring board 15 and the electrodes on the surface of the piezoelectric element 32 are pressed and contacted by an elastic pressing member (not shown) attached to the inner surface at the same time. As a result, reliable electrical conduction is achieved. afterwards,
Alternatively, before that, the upper cover 36 is attached to the main body frame 11 to protect the printed wiring board 15, the ink tube 34, the ink container 35 and the like.

【0004】図3 は別の従来例の分解斜視図である。図
3 において、この別の従来例が一従来例と異なるのは、
記録ヘッド用ホルダとプリント配線板とを本体フレーム
に対して位置決め, 仮止めする方式にある。すなわち、
本体フレーム21に2個のピン22が立設され、これに対応
してホルダ39に穴40があけられる。また、プリント配線
板25には、突出部26が幅方向の両側に一体成形され、こ
れにピン22に対応する穴27があけられる。以上の外で一
従来例に同じ、ないし対応する部材には同じ符号を付
け、とくに説明はしない。別の従来例は、本体フレーム
21に対するプリント配線板25の位置決めが正確, 容易に
なる点で一従来例よりすぐれる。
FIG. 3 is an exploded perspective view of another conventional example. Figure
In 3, the difference between this other conventional example and one conventional example is that
This is a method of positioning and temporarily fixing the recording head holder and the printed wiring board to the body frame. That is,
Two pins 22 are erected on the body frame 21, and holes 40 are drilled in the holder 39 correspondingly. Further, on the printed wiring board 25, the protrusions 26 are integrally formed on both sides in the width direction, and the holes 27 corresponding to the pins 22 are formed in the protrusions 26. Other than the above, the same or corresponding members as in the conventional example are designated by the same reference numerals, and will not be described in particular. Another conventional example is the body frame
This is superior to the conventional example in that the printed wiring board 25 can be accurately and easily positioned with respect to 21.

【0005】[0005]

【発明が解決しようとする課題】先に述べた一従来例で
は、一つには、U字溝部13の幅よりプリント配線板15の
幅の方が狭いから、U字溝部13ひいては本体フレーム11
に対するプリント配線板15の、左右と上下の各方向に係
る位置決めが不正確になる、ないし難しいこと、もう一
つには、粘着テープ19により、本体フレーム11に対する
プリント配線板15の仮止めが必要になること、などの問
題点がある。別の従来例では、本体フレーム11に対する
プリント配線板25の、左右と上下の各方向に係る位置決
めは正確,容易になるが、曲がりぐせのために先端部な
いし端子部がU字溝部23の底面から浮き上がるから、こ
れを防止するために、粘着テープ19による仮止めがどう
しても必要になる。
In the above-mentioned conventional example, one is that the width of the printed wiring board 15 is narrower than the width of the U-shaped groove portion 13. Therefore, the U-shaped groove portion 13 and thus the main body frame 11 are formed.
Positioning of the printed wiring board 15 with respect to the left, right, up, and down becomes inaccurate or difficult. Secondly, it is necessary to temporarily fix the printed wiring board 15 to the body frame 11 by the adhesive tape 19. There are problems such as becoming. In another conventional example, the printed wiring board 25 can be accurately and easily positioned in the left-right and up-down directions with respect to the main body frame 11, but the tip or the terminal portion is the bottom surface of the U-shaped groove portion 23 due to bending. Since it rises from the above, it is absolutely necessary to temporarily fix it with the adhesive tape 19 in order to prevent this.

【0006】この発明の課題は、従来の技術がもつ以上
の問題点を解消し、本体フレームに対するプリント配線
板の位置決め,仮止めが確実,容易におこなわれるイン
クジェット記録ユニットを提供することにある。
SUMMARY OF THE INVENTION An object of the present invention is to provide an ink jet recording unit which solves the above-mentioned problems of the prior art and enables reliable and easy positioning and temporary fixing of a printed wiring board with respect to a main body frame.

【0007】[0007]

【課題を解決するための手段】請求項1に係るインクジ
ェット記録ユニットは、記録ヘッドが搭載され、その圧
電素子に対する印加用帯状プリント配線板が、その端子
部を前記圧電素子の電極に押圧,接触させて取り付けら
れるユニットであって、U字の各脚部にU字面と直角に
伸びるスリットが形成され、前記記録ヘッドがその幅を
U字幅に合致させて挿入,搭載されるとともに、前記圧
電素子の電極に前記端子部を重ねる形で、前記プリント
配線板の少なくとも一部が、その幅を前記U字幅に合致
させて挿入されるU字溝部を有する本体フレームと;前
記プリント配線板の前記U字幅との合致部にその幅方向
の各側に突出する形で設けられ、前記スリットに対応す
る挿入部と;を備える。
According to a first aspect of the present invention, there is provided an ink jet recording unit in which a recording head is mounted, and a strip-shaped printed wiring board for application to the piezoelectric element presses and contacts its terminal portion with an electrode of the piezoelectric element. A unit that is attached by mounting a slit that extends at right angles to the U-shaped surface on each U-shaped leg, inserts and mounts the recording head so that its width matches the U-shaped width, and A main body frame having a U-shaped groove portion in which at least a part of the printed wiring board is inserted in such a manner that the terminal portion is superposed on the electrode of the element, and the width of the printed wiring board matches the U-shaped width; And an insertion portion corresponding to the slit, the insertion portion being provided at a portion corresponding to the U-shaped width so as to project to each side in the width direction.

【0008】請求項2に係るインクジェット記録ユニッ
トは、請求項1に記載のユニットにおいて、挿入部が、
プリント配線板の端子部とほぼ横並び位置に形成され
る。請求項3に係るインクジェット記録ユニットは、請
求項1または2に記載のユニットにおいて、挿入部が、
プリント配線板と一体成形される。
An ink jet recording unit according to a second aspect is the unit according to the first aspect, in which the insertion portion is
The printed wiring board is formed in a position substantially side by side with the terminal portion. An inkjet recording unit according to a third aspect is the unit according to the first or second aspect, wherein the insertion portion is
It is molded integrally with the printed wiring board.

【0009】請求項4に係るインクジェット記録ユニッ
トは、請求項1ないし3のいずれかの項に記載のユニッ
トにおいて、挿入部の幅が、突出方向に漸次狭まるよう
に形成される。
An ink jet recording unit according to a fourth aspect is the unit according to any one of the first to third aspects, wherein the width of the insertion portion is formed so as to gradually narrow in the protruding direction.

【0010】[0010]

【作用】請求項1ないし4のいずれかの項に係るインク
ジェット記録ユニットでは、本体フレームのU字溝部の
底面に対して、記録ヘッドとプリント配線板とが押圧,
固定される前に、挿入部のスリットへの挿入によって、
1動作でプリント配線板が本体フレームに位置決め、仮
止めされる。
In the ink jet recording unit according to any one of claims 1 to 4, the recording head and the printed wiring board press against the bottom surface of the U-shaped groove portion of the main body frame,
Before being fixed, by inserting it into the slit of the insertion part,
The printed wiring board is positioned and temporarily fixed to the body frame in one operation.

【0011】[0011]

【実施例】この発明に係るインクジェット記録ユニット
の実施例について、以下に図1の実施例の分解斜視図を
参照しながら説明する。図1において、この実施例が従
来例と異なる点はプリント配線板の位置決め、仮止めの
方式にある。すなわち、本体フレーム1には、左側の上
部に凸部2が、その下部にU字溝部3があり、このU字
溝部3の各脚部にスリット4が上下方向に伸びる形であ
けられる。プリント配線板5の下端部近くに、U字溝部
3のU字幅に対応する横幅の拡大部6が左右に張り出す
形で、またさらに先細り台形の挿入部7が、それより張
り出す形で一体成形される。この挿入部7は、U字溝部
3のスリット4に対応する。記録ヘッド31, ホルダ33,
上部カバー36, 前面カバー37などは一従来例におけるの
と同じである。
EXAMPLE An example of an ink jet recording unit according to the present invention will be described below with reference to an exploded perspective view of the example shown in FIG. In FIG. 1, this embodiment is different from the prior art in the method of positioning and temporarily fixing the printed wiring board. That is, the main body frame 1 has the convex portion 2 on the upper left side and the U-shaped groove portion 3 on the lower side thereof, and the slits 4 are formed in the respective leg portions of the U-shaped groove portion 3 so as to extend in the vertical direction. In the vicinity of the lower end of the printed wiring board 5, an enlarged portion 6 having a lateral width corresponding to the U-shaped width of the U-shaped groove portion 3 juts out to the left and right, and a tapered trapezoidal insertion portion 7 jutting out further than that. It is integrally molded. This insertion portion 7 corresponds to the slit 4 of the U-shaped groove portion 3. Recording head 31, holder 33,
The upper cover 36, the front cover 37, etc. are the same as in the conventional example.

【0012】したがって、ホルダ33の凹部38を、本体フ
レーム1 の凸部2 に嵌め込むことによって、記録ヘッド
31は本体フレーム1のU字溝部3に位置決め、仮止めさ
れ、プリント配線板5 は、挿入部7 をスリット4 に挿入
する1動作によって、U字溝部3 ひいては本体フレーム
1 に対して左右, 上下, 前後の各方向について位置決
め、仮止めされる。しかも、挿入部7 を先細り台形にし
たことで、スリット4 への挿入が容易になり、またプリ
ント配線板5 の端子8 と、挿入部7 とは横並びの位置を
とるから、挿入部7 がスリット4 に挿入されることによ
って、端子8 の圧電素子32からの浮き上がり防止が支援
される。次に、前面カバー37を本体フレーム1 に取り付
けることによって、端子8 と圧電素子32の表面の電極と
が押圧, 接触されて確実な導通が成り立つ。
Therefore, by fitting the concave portion 38 of the holder 33 into the convex portion 2 of the main body frame 1, the recording head
31 is positioned in the U-shaped groove 3 of the body frame 1 and temporarily fixed, and the printed wiring board 5 is inserted into the slit 4 by the insertion portion 7 and the U-shaped groove 3 and the body frame
It is positioned and temporarily fixed in the left-right, up-down, and front-back directions relative to 1. In addition, the tapered trapezoidal insertion part 7 facilitates insertion into the slit 4, and the terminals 8 of the printed wiring board 5 and the insertion part 7 are positioned side by side, so that the insertion part 7 is slit. By being inserted into 4, the terminal 8 is prevented from rising from the piezoelectric element 32. Next, by attaching the front cover 37 to the main body frame 1, the terminals 8 and the electrodes on the surface of the piezoelectric element 32 are pressed and contacted with each other to establish reliable conduction.

【0013】[0013]

【発明の効果】請求項1ないし4のいずれかの項に係る
インクジェット記録ユニットでは、本体フレームのU字
溝部の底面に対して、記録ヘッドとプリント配線板とが
押圧,固定される前に、挿入部のスリットへの挿入によ
って、1動作でプリント配線板が本体フレームに位置決
め、仮止めされる。したがって、本体フレームに対する
プリント配線板の位置決め、仮止めが確実,容易におこ
なわれ、ひいてはプリント配線板の端子部と圧電素子電
極との押圧,接触が確実におこなわれて信頼性向上が図
れるとともに、組立工数短縮に基づくコスト低減が図れ
る。
In the ink jet recording unit according to any one of claims 1 to 4, before the recording head and the printed wiring board are pressed and fixed to the bottom surface of the U-shaped groove portion of the main body frame, By inserting the insertion portion into the slit, the printed wiring board is positioned and temporarily fixed to the body frame in one operation. Therefore, positioning and temporary fixing of the printed wiring board with respect to the main body frame are surely and easily performed, and by extension, the terminal portion of the printed wiring board and the piezoelectric element electrodes are surely pressed and contacted to improve reliability. The cost can be reduced due to the reduction of the assembly man-hour.

【0014】とくに請求項2に係るインクジェット記録
ユニットでは、挿入部が、プリント配線板の端子部とほ
ぼ同じ並び位置に形成されるから、端子部のU字溝部の
底面からの浮き上がり防止が支援される。とくに請求項
3に係るインクジェット記録ユニットでは、挿入部がプ
リント配線板と一体成形されるから、部品点数の削減、
ひいてはコスト低減が図れる。
In particular, in the ink jet recording unit according to the second aspect, since the insertion portion is formed in substantially the same position as the terminal portion of the printed wiring board, the prevention of the terminal portion from rising from the bottom surface of the U-shaped groove portion is assisted. It Particularly, in the ink jet recording unit according to claim 3, since the insertion portion is integrally formed with the printed wiring board, the number of parts is reduced,
As a result, costs can be reduced.

【0015】とくに請求項4に係るインクジェット記録
ユニットでは、挿入部の幅が突出方向に漸次狭まるよう
に形成されるから、挿入部のスリットへの挿入が容易に
なって、組立工数短縮が支援される。
Particularly, in the ink jet recording unit according to the fourth aspect, the width of the insertion portion is formed so as to be gradually narrowed in the protruding direction, so that the insertion portion can be easily inserted into the slit and the number of assembling steps can be shortened. It

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明に係る実施例の分解斜視図FIG. 1 is an exploded perspective view of an embodiment according to the present invention.

【図2】一従来例の分解斜視図FIG. 2 is an exploded perspective view of a conventional example.

【図3】別の従来例の分解斜視図FIG. 3 is an exploded perspective view of another conventional example.

【符号の説明】[Explanation of symbols]

1 本体フレーム 2 凸部 3 U字溝部 4 スリット 5 プリント配線板 6 拡大部 7 挿入部 8 端子 31 記録ヘッド 32 圧電素子 33 ホルダ 37 前面カバー 38 凹部 1 Main body frame 2 Convex part 3 U-shaped groove part 4 Slit 5 Printed wiring board 6 Enlarged part 7 Insertion part 8 Terminal 31 Recording head 32 Piezoelectric element 33 Holder 37 Front cover 38 Recessed part

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】インクジェット記録ヘッド(以下、記録ヘ
ッドという)が搭載され、その圧電素子に対する印加用
帯状フレキシブルプリント配線板(以下、プリント配線
板という)がその端子部を前記圧電素子の電極に押圧,
接触させて取り付けられるユニットであって、U字の各
脚部にU字面と直角に伸びるスリットが形成され、前記
記録ヘッドがその幅をU字幅に合致させて挿入,搭載さ
れるとともに、前記圧電素子の電極に前記端子部を重ね
る形で、前記プリント配線板の少なくとも一部が、その
幅を前記U字幅に合致させて挿入されるU字溝部を有す
る本体フレームと;前記プリント配線板の前記U字幅と
の合致部にその幅方向の各側に突出する形で設けられ、
前記スリットに対応する挿入部と;を備え、前記本体フ
レームのU字溝部の底面に対して前記の記録ヘッドとプ
リント配線板とが押圧,固定される前に、前記挿入部の
前記スリットへの挿入によって、1動作で前記プリント
配線板が前記本体フレームに位置決め、仮止めされる構
成にしたことを特徴とするインクジェット記録ユニッ
ト。
1. An ink jet recording head (hereinafter referred to as a recording head) is mounted, and a strip-shaped flexible printed wiring board for application to the piezoelectric element (hereinafter referred to as a printed wiring board) presses its terminal portion against an electrode of the piezoelectric element. ,
A unit to be attached in contact with each other, wherein each U-shaped leg portion is formed with a slit extending at right angles to the U-shaped surface, and the recording head is inserted and mounted so that its width matches the U-shaped width. A main body frame having a U-shaped groove portion, in which at least a part of the printed wiring board is inserted in such a manner that the terminal portion is superposed on the electrodes of the piezoelectric element, and the width of the printed wiring board matches the U-shaped width; It is provided in a portion that coincides with the above-mentioned U-shaped width so as to project to each side in the width direction,
An insertion part corresponding to the slit; and before the recording head and the printed wiring board are pressed and fixed to the bottom surface of the U-shaped groove part of the main body frame, the insertion part is inserted into the slit. An ink jet recording unit, wherein the printed wiring board is positioned and temporarily fixed to the main body frame by one operation by insertion.
【請求項2】請求項1に記載のユニットにおいて、挿入
部は、プリント配線板の端子部とほぼ横並び位置に形成
されてなることを特徴とするインクジェット記録ユニッ
ト。
2. The ink jet recording unit according to claim 1, wherein the insertion portion is formed substantially side by side with the terminal portion of the printed wiring board.
【請求項3】請求項1または2に記載のユニットにおい
て、挿入部は、プリント配線板と一体成形されることを
特徴とするインクジェット記録ユニット。
3. The ink jet recording unit according to claim 1, wherein the insertion portion is integrally formed with the printed wiring board.
【請求項4】請求項1ないし3のいずれかの項に記載の
ユニットにおいて、挿入部は、その幅が突出方向に漸次
狭まるように形成されてなることを特徴とするインクジ
ェット記録ヘッド。
4. The ink jet recording head according to any one of claims 1 to 3, wherein the insertion portion is formed so that its width gradually narrows in the protruding direction.
JP5396992A 1992-03-13 1992-03-13 Ink jet recording unit Pending JPH05254113A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5396992A JPH05254113A (en) 1992-03-13 1992-03-13 Ink jet recording unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5396992A JPH05254113A (en) 1992-03-13 1992-03-13 Ink jet recording unit

Publications (1)

Publication Number Publication Date
JPH05254113A true JPH05254113A (en) 1993-10-05

Family

ID=12957490

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5396992A Pending JPH05254113A (en) 1992-03-13 1992-03-13 Ink jet recording unit

Country Status (1)

Country Link
JP (1) JPH05254113A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822078A2 (en) * 1996-07-31 1998-02-04 Canon Kabushiki Kaisha Ink jet recording head
EP1336493A2 (en) * 2002-02-15 2003-08-20 Canon Kabushiki Kaisha Liquid jet recording head

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0822078A2 (en) * 1996-07-31 1998-02-04 Canon Kabushiki Kaisha Ink jet recording head
EP0822078A3 (en) * 1996-07-31 1999-06-02 Canon Kabushiki Kaisha Ink jet recording head
US6257703B1 (en) * 1996-07-31 2001-07-10 Canon Kabushiki Kaisha Ink jet recording head
EP1336493A2 (en) * 2002-02-15 2003-08-20 Canon Kabushiki Kaisha Liquid jet recording head
EP1336493A3 (en) * 2002-02-15 2004-06-09 Canon Kabushiki Kaisha Liquid jet recording head

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