JP2000334950A5 - Liquid discharge head, its manufacturing method, and image forming apparatus - Google Patents
Liquid discharge head, its manufacturing method, and image forming apparatus Download PDFInfo
- Publication number
- JP2000334950A5 JP2000334950A5 JP1999153679A JP15367999A JP2000334950A5 JP 2000334950 A5 JP2000334950 A5 JP 2000334950A5 JP 1999153679 A JP1999153679 A JP 1999153679A JP 15367999 A JP15367999 A JP 15367999A JP 2000334950 A5 JP2000334950 A5 JP 2000334950A5
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- Prior art keywords
- liquid discharge
- discharge head
- laminated piezoelectric
- manufacturing
- image forming
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- 239000007788 liquid Substances 0.000 title description 28
- 238000004519 manufacturing process Methods 0.000 title description 11
- 239000000758 substrate Substances 0.000 description 17
- 238000003754 machining Methods 0.000 description 1
Description
【特許請求の範囲】
【請求項１】
ヘッド基板上に複数の積層型圧電素子を配置した液体吐出ヘッドにおいて、前記複数の積層型圧電素子は、前記ヘッド基板上に同一直線上に並べて接合された少なくとも２枚の積層型圧電部材をスリット溝で分割して形成され、かつ、前記積層型圧電部材の対向する端面を含まないことを特徴とする液体吐出ヘッド。
【請求項２】
請求項1に記載の液体吐出ヘッドにおいて、異なる積層型圧電部材から形成された積層型圧電素子同士は１００μｍ以内の範囲で整列していることを特徴とする液体吐出ヘッド。
【請求項３】
請求項１又は２に記載の液体吐出ヘッドにおいて、複数の積層型圧電素子が一度のスリット加工で切断可能な間隔で２列以上並置された複数の積層型圧電部材から形成されたことを特徴とする液体吐出ヘッド。
【請求項４】
ヘッド基板上に複数の積層型圧電素子を配置した液体吐出ヘッドにおいて、前記ヘッド基板には前記積層型圧電素子のノズル列方向と同方向の端面が当接する段差部を設けたことを特徴とする液体吐出ヘッド。
【請求項５】
ヘッド基板上に複数の積層型圧電素子を配置した液体吐出ヘッドの製造方法において、前記ヘッド基板上に少なくとも２枚の積層型圧電部材を同一直線上に並べて接合し、この積層型圧電部材同士の対向する端面部分を加工開始位置としてスリット加工を施して、前記複数の積層型圧電素子に分割することを特徴とする液体吐出ヘッドの製造方法。
【請求項６】
請求項５に記載の液体吐出ヘッドの製造方法において、前記積層型圧電部材同士の対向する端面の間隔はスリット加工を施す切削手段の幅を越えないことを特徴とする液体吐出ヘッドの製造方法。
【請求項７】
請求項５又は６に記載の液体吐出ヘッドの製造方法において、前記積層型圧電部材同士を予め仮留めした状態で前記ヘッド基板に接合することを特徴とする液体吐出ヘッドの製造方法。
【請求項８】
請求項１ないし４のいずれかに記載の液体吐出ヘッドを搭載していることを特徴とする画像形成装置。
[Claims]
[Claim 1]
In a liquid discharge head in which a plurality of laminated piezoelectric elements are arranged on a head substrate, the plurality of laminated piezoelectric elements slit at least two laminated piezoelectric members joined to the head substrate side by side on the same straight line. A liquid discharge head that is formed by being divided by a groove and does not include the facing end faces of the laminated piezoelectric member.
2.
A liquid discharge head according to claim 1, different multilayer laminated piezoelectric elements to each other which are formed from the piezoelectric member is a liquid discharge head characterized in that it aligned to within 100 [mu] m.
3.
The liquid discharge head according to claim 1 or 2, characterized in that a plurality of laminated piezoelectric elements are formed of a plurality of laminated piezoelectric members arranged in two or more rows at intervals that can be cut by one slit processing. Liquid discharge head .
4.
A liquid discharge head in which a plurality of laminated piezoelectric elements are arranged on a head substrate is characterized in that the head substrate is provided with a step portion in which end faces in the same direction as the nozzle row direction of the laminated piezoelectric elements are in contact with each other. Liquid discharge head .
5.
In a method for manufacturing a liquid discharge head in which a plurality of laminated piezoelectric elements are arranged on a head substrate, at least two laminated piezoelectric members are arranged and joined on the same straight line on the head substrate, and the laminated piezoelectric members are joined to each other. A method for manufacturing a liquid discharge head , which comprises performing slit processing with the facing end face portions as a processing start position and dividing the liquid discharge head into the plurality of laminated piezoelectric elements.
6.
The method of manufacturing a liquid discharge head according to claim 5, the interval of opposite end faces of said multilayer piezoelectric members to each other is a method for manufacturing a liquid discharge head, characterized in that does not exceed the width of the cutting means for performing slit processing.
7.
The method of manufacturing a liquid discharge head according to claim 5 or 6, a method for manufacturing a liquid discharge head, characterized in that bonded to the head substrate the multilayer piezoelectric members to each other in advance by temporarily fastened state.
8.
An image forming apparatus comprising the liquid discharge head according to any one of claims 1 to 4.
【０００１】
【産業上の利用分野】
本発明は液体吐出ヘッド及びその製造方法並びに画像形成装置に関し、特に積層型圧電素子を用いる液体吐出ヘッド及びその製造方法並びに画像形成装置に関する。
[0001]
[Industrial application field]
The present invention relates to a liquid discharge head, a method for manufacturing the same , and an image forming apparatus , and more particularly to a liquid discharge head using a laminated piezoelectric element, a method for manufacturing the same , and an image forming apparatus .
本発明は上記の点に鑑みてなされたものであり、積層型圧電素子を用いた高速、高精度記録が可能な液体吐出ヘッド及びその製造方法並びに画像形成装置を提供することを目的とする。 The present invention has been made in view of the above points, and an object of the present invention is to provide a liquid discharge head capable of high-speed and high-precision recording using a laminated piezoelectric element, a method for manufacturing the same , and an image forming apparatus .
【００１０】
【課題を解決するための手段】
上記の課題を解決するため、本発明に係る液滴吐出ヘッドは、複数の積層型圧電素子が、ヘッド基板上に同一直線上に並べて接着された少なくとも２枚の積層型圧電部材をスリット溝で分割して形成され、かつ、積層型圧電部材同士の対向する端面を含まない構成とした。
0010
[Means for solving problems]
In order to solve the above problems, in the droplet ejection head according to the present invention, at least two laminated piezoelectric members in which a plurality of laminated piezoelectric elements are arranged and adhered on the head substrate in the same straight line are formed by slit grooves. The structure is such that the laminated piezoelectric members are formed separately and do not include the opposite end faces of the laminated piezoelectric members.
また、本発明に係る液体吐出ヘッドは、ヘッド基板に積層型圧電素子のノズル列方向と同方向の端面が当接する段差部が設けられている構成としたものである。 Further, the liquid discharge head according to the present invention has a configuration in which a step portion is provided on the head substrate so that the end faces in the same direction as the nozzle row direction of the laminated piezoelectric element come into contact with each other.
さらに、本発明に係る液体吐出ヘッドの製造方法は、ヘッド基板上に少なくとも２枚の積層型圧電部材を同一直線上に並べて接合し、この積層型圧電部材同士の対向する端面を加工開始位置としてスリット加工を施し、複数の積層型圧電素子に分割する構成としたものである。 Further, in the method for manufacturing a liquid discharge head according to the present invention, at least two laminated piezoelectric members are arranged and joined on the head substrate in the same straight line, and the facing end faces of the laminated piezoelectric members are set as machining start positions. It is configured to be slit-processed and divided into a plurality of laminated piezoelectric elements.
ここで、積層型圧電部材同士の対向する端面の間隔はスリット加工を施す切削手段の幅を越えないものとすることが好ましい。また、積層型圧電部材同士は予め仮留めした状態でヘッド基板に接合することが好ましい。
本発明に係る画像形成装置は、本発明に係るいずれかの液体吐出ヘッドを搭載したものである。
Here, it is preferable that the distance between the facing end faces of the laminated piezoelectric members does not exceed the width of the cutting means for slitting. Further, it is preferable that the laminated piezoelectric members are joined to the head substrate in a state of being temporarily fastened in advance.
The image forming apparatus according to the present invention is equipped with any of the liquid discharge heads according to the present invention.
【００１５】
【発明の実施の形態】
以下、本発明の実施の形態について添付図面を参照して説明する。図１は本発明の第１実施形態に係る液体吐出ヘッドとしてのインクジェットヘッドの一例を示す外観斜視図、図２は図１のＡ−Ａ線に沿う要部拡大断面図、図３は図１のＢ−Ｂ線に沿う要部拡大断面図、図４は同インクジェットヘッドの分解斜視図である。
0015.
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. FIG. 1 is an external perspective view showing an example of an inkjet head as a liquid ejection head according to the first embodiment of the present invention, FIG. 2 is an enlarged cross-sectional view of a main part along the line AA of FIG. 1, and FIG. 3 is FIG. An enlarged cross-sectional view of a main part along the line BB, FIG. 4 is an exploded perspective view of the inkjet head.
そこで、ヘッド基板６１上に圧電部材５３、５３を接合するときに、圧電部材５３、５３の長手端面を凹部６３で形成された段差部（凹部６３の壁面）に当接させて冶具で押さえ込む。これによって、ヘッド基板６１と圧電部材５３、５３を接合するときに、荷重を付加したときの位置ずれが低減する。なお、ヘッド基板６１上の電極パターン５１，５２と導電性部材で電気的に接続することは前記実施形態と同様である。
また、上記各実施形態のヘッドは、前述したように、プリンタ、ファクシミリ、複写装置、プロッタ等の画像形成装置に用いることができる。
Therefore, when the piezoelectric members 53 and 53 are joined onto the head substrate 61, the longitudinal end faces of the piezoelectric members 53 and 53 are brought into contact with the stepped portion (wall surface of the recess 63) formed by the recess 63 and pressed by a jig. As a result, when the head substrate 61 and the piezoelectric members 53, 53 are joined, the positional deviation when a load is applied is reduced. It should be noted that electrically connecting the electrode patterns 51 and 52 on the head substrate 61 with a conductive member is the same as in the above embodiment.
Further, as described above, the head of each of the above embodiments can be used in an image forming apparatus such as a printer, a facsimile, a copying apparatus, and a plotter.
【００６１】
【発明の効果】
以上説明したように、本発明に係る液体吐出ヘッド及びこれを搭載した画像形成装置によれば、複数の積層型圧電素子が、ヘッド基板上に同一直線上に並べて接合された少なくとも２枚の積層型圧電部材をスリット溝で分割して形成され、かつ、積層型圧電部材同士の対向する端面を含まない構成としたので、電極引出が容易で、しかも等ピッチの長尺のヘッドが得られ、高速、高精度記録が可能になる。
[0061]
【Effect of the invention】
As described above, according to the liquid discharge head according to the present invention and the image forming apparatus equipped with the liquid discharge head , at least two laminated piezoelectric elements are joined side by side on the head substrate in the same straight line. Since the type piezoelectric member is formed by dividing it by a slit groove and does not include the opposite end faces of the laminated type piezoelectric members, it is easy to draw out the electrodes, and a long head having an equal pitch can be obtained. High-speed, high-precision recording is possible.
また、本発明に係る液体吐出ヘッド及びこれを搭載した画像形成装置によれば、ヘッド基板に積層型圧電素子の端面が当接する段差部が設けられている構成としたので、複数の積層型圧電部材を同一直線上に並べてヘッド基板に接着するときの位置ずれを防止できる。 Further, according to the liquid discharge head and the image forming apparatus equipped with the liquid discharge head according to the present invention, since the head substrate is provided with a stepped portion where the end faces of the laminated piezoelectric elements come into contact with each other, a plurality of laminated piezoelectric elements are provided. It is possible to prevent misalignment when the members are arranged on the same straight line and adhered to the head substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15367999A JP4138155B2 (en) | 1999-06-01 | 1999-06-01 | Method for manufacturing liquid discharge head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15367999A JP4138155B2 (en) | 1999-06-01 | 1999-06-01 | Method for manufacturing liquid discharge head |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2000334950A JP2000334950A (en) | 2000-12-05 |
| JP2000334950A5 true JP2000334950A5 (en) | 2006-03-02 |
| JP4138155B2 JP4138155B2 (en) | 2008-08-20 |
Family
ID=15567802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15367999A Expired - Fee Related JP4138155B2 (en) | 1999-06-01 | 1999-06-01 | Method for manufacturing liquid discharge head |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP4138155B2 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003094649A (en) * | 2001-09-21 | 2003-04-03 | Ricoh Co Ltd | Droplet discharge head |
| JP2006175845A (en) * | 2004-11-29 | 2006-07-06 | Ricoh Co Ltd | Liquid discharge head, liquid discharge apparatus, and image forming apparatus |
| JP5233130B2 (en) * | 2006-04-14 | 2013-07-10 | 株式会社リコー | Piezoelectric actuator, liquid ejection head, liquid ejection apparatus, image forming apparatus |
| JP4944687B2 (en) * | 2007-06-28 | 2012-06-06 | 株式会社リコー | Piezoelectric actuator and manufacturing method thereof, liquid ejection head, and image forming apparatus |
| JP5195198B2 (en) * | 2008-09-12 | 2013-05-08 | 株式会社リコー | Droplet discharge device, method for manufacturing two-row integrated piezoelectric element, and method for manufacturing droplet discharge device |
| JP2020049710A (en) * | 2018-09-25 | 2020-04-02 | 株式会社リコー | Liquid discharge head and liquid discharge device |
-
1999
- 1999-06-01 JP JP15367999A patent/JP4138155B2/en not_active Expired - Fee Related
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