JP2020044800A - 液体噴射ヘッド及び液体噴射装置 - Google Patents
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Abstract
Description
案されている(例えば、特許文献1参照)。
(実施形態1)
図1は、本発明の実施形態1に係る液体噴射ヘッドの一例であるインクジェット式記録ヘッドの分解斜視図である。図2は、インクジェット式記録ヘッドのノズル面側の平面図である。図3は、図2のA−A′線断面図である。図4は、図2のB−B′線断面図であり、図5は、図3のC−C′線断面図である。
図10は、本発明の実施形態2に係る記録ヘッドの連通板のノズル面の面方向に沿った断面図である。図11は、図10のD−D′線断面図である。図12は、図10のE−E′線断面図である。なお、上述した実施形態と同様の部材には同一の符号を付して重複する説明は省略する。
以上、本発明の各実施形態について説明したが、本発明の基本的な構成は上述したものに限定されるものではない。
Claims (15)
- 液体を吐出するノズルと該ノズルに連通する圧力発生室とを含む個別流路と、複数の前記個別流路へ液体を供給する供給側共通流路と、複数の前記個別流路から液体を排出する排出側共通流路と、を具備する流路部材と、
前記圧力発生室内の液体に圧力変化を生じさせて、前記ノズルから液体を吐出させるエネルギー発生素子と、
を備え、
前記個別流路は、前記供給側共通流路と前記ノズルとの間の供給側個別流路と、前記ノズルと前記排出側共通流路との間の排出側個別流路と、を含み、
複数の前記排出側個別流路を隔てる第2隔壁は、複数の前記供給側個別流路を隔てる第1隔壁よりも厚いことを特徴とする液体噴射ヘッド。 - 前記第2隔壁は、複数の前記圧力発生室を隔てる隔壁よりも厚いことを特徴とする請求項1記載の液体噴射ヘッド。
- 前記流路部材は、前記ノズルと前記圧力発生室との間の連通路を有し、
前記第2隔壁は、複数の前記連通路を隔てる隔壁よりも厚いことを特徴とする請求項1記載の液体噴射ヘッド。 - 複数の前記排出側個別流路は、複数の前記ノズルが並べられたノズル面に直交する方向において、前記ノズル面からの距離が異なる流路を含むことを特徴とする請求項1〜3の何れか一項に記載の液体噴射ヘッド。
- 液体を吐出するノズルと圧力発生室を含む個別流路と、複数の前記個別流路へ液体を供給する供給側共通流路と、複数の前記個別流路から液体を排出する排出側共通流路と、を具備する流路部材と、
前記圧力発生室内の液体に圧力変化を生じさせて、ノズルから液体を吐出させるエネルギー発生素子と、
を備え、
前記個別流路は、前記供給側共通流路と前記ノズルとの間の供給側個別流路と、前記ノズルと前記排出側共通流路との間の排出側個別流路と、を含み、
複数の前記排出側個別流路は、複数の前記ノズルが並べられたノズル面に直交する方向において、前記ノズル面からの距離が異なる流路を含むことを特徴とする液体噴射ヘッド。 - 複数の前記排出側個別流路のうち、前記ノズル面からの距離が異なる流路は、共通の前記排出側共通流路に連通していることを特徴とする請求項5記載の液体噴射ヘッド。
- 複数の前記排出側個別流路のうち、前記ノズル面からの距離が第1の距離の流路と、前記第1の距離よりも遠い第2の距離の流路とは、複数の前記排出側個別流路が並ぶ方向において、繰り返し配置されていることを特徴とする請求項5又は6記載の液体噴射ヘッド。
- 複数の前記排出側個別流路は、複数の前記ノズルが並べられたノズル面の面内方向において、前記ノズルからの向きが異なる流路を含むことを特徴とする請求項1〜7の何れか一項に記載の液体噴射ヘッド。
- 液体を吐出するノズルと圧力発生室を含む個別流路と、複数の前記個別流路へ液体を供給する供給側共通流路と、複数の前記個別流路から液体を排出する排出側共通流路と、を具備する流路部材と、
前記圧力発生室内の液体に圧力変化を生じさせて、ノズルから液体を吐出させるエネルギー発生素子と、
を備え、
前記個別流路は、前記供給側共通流路と前記ノズルとの間の供給側個別流路と、前記ノズルと前記排出側共通流路との間の排出側個別流路と、を含み、
複数の前記排出側個別流路は、複数の前記ノズルが並べられたノズル面の面内方向において、前記ノズルからの向きが異なる流路を含むことを特徴とする液体噴射ヘッド。 - 前記排出側共通流路は、前記面内方向において、複数の前記ノズルを挟む第1の排出側共通流路と、第2の排出側共通流路と、を含むことを特徴とする請求項9記載の液体噴射ヘッド。
- 前記圧力発生室が並設された列を2列具備し、
前記排出側共通流路は、2列の前記圧力発生室の列に共通して連通することを特徴とする請求項9又は10記載の液体噴射ヘッド。 - 複数の前記排出側個別流路のうち、前記第1の排出側共通流路に連通する流路と、前記第2の排出側共通流路に連通する流路とは、複数の前記排出側個別流路が並ぶ方向において繰り返し配置されていることを特徴とする請求項10記載の液体噴射ヘッド。
- 前記排出側個別流路は、1つの前記ノズルに対して複数設けられていることを特徴とする請求項1〜12の何れか一項に記載の液体噴射ヘッド。
- 前記排出側個別流路の流れの方向から見て、前記排出側個別流路の幅は、前記排出側個別流路の高さよりも小さいことを特徴とする請求項1〜13の何れか一項に記載の液体噴射ヘッド。
- 請求項1〜14の何れか一項に記載の液体噴射ヘッドを具備することを特徴とする液体噴射装置。
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JP2011177620A (ja) * | 2010-02-26 | 2011-09-15 | Fujifilm Corp | 液滴吐出ヘッド |
US20120098899A1 (en) * | 2010-10-26 | 2012-04-26 | Yonglin Xie | Dispensing liquid using dispenser with return filter |
WO2018056291A1 (ja) * | 2016-09-20 | 2018-03-29 | 京セラ株式会社 | 液体吐出ヘッド、および記録装置 |
JP2018103602A (ja) * | 2016-12-22 | 2018-07-05 | セイコーエプソン株式会社 | 液体噴射ヘッドおよび液体噴射装置 |
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JP5302378B2 (ja) * | 2011-01-14 | 2013-10-02 | パナソニック株式会社 | インクジェットヘッド |
WO2017047534A1 (ja) * | 2015-09-18 | 2017-03-23 | コニカミノルタ株式会社 | インクジェットヘッド及びインクジェット記録装置 |
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Patent Citations (4)
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JP2011177620A (ja) * | 2010-02-26 | 2011-09-15 | Fujifilm Corp | 液滴吐出ヘッド |
US20120098899A1 (en) * | 2010-10-26 | 2012-04-26 | Yonglin Xie | Dispensing liquid using dispenser with return filter |
WO2018056291A1 (ja) * | 2016-09-20 | 2018-03-29 | 京セラ株式会社 | 液体吐出ヘッド、および記録装置 |
JP2018103602A (ja) * | 2016-12-22 | 2018-07-05 | セイコーエプソン株式会社 | 液体噴射ヘッドおよび液体噴射装置 |
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