JP2010143119A - 液体吐出ヘッド及び液体吐出ヘッドの製造方法 - Google Patents
液体吐出ヘッド及び液体吐出ヘッドの製造方法 Download PDFInfo
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- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 claims description 24
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Abstract
【解決手段】面方位が{100}であるSi基板と、前記Si基板上に液体を保持する流路と、前記流路と連結し液体を吐出する吐出口と、前記流路と連結し該流路に液体を供給する供給口と、を有する液体吐出ヘッドの製造方法において、最近接の供給口が前記Si基板の<100>方向に並ぶように、前記Si基板に先導孔を形成する第1のSi除去工程と、前記先導孔に対して、{100}面のエッチング速度が{110}面のエッチング速度より遅い条件でSi結晶軸異方性エッチングを行い、供給口を形成する第2のSi除去工程と、をこの順に含むことを特徴とする液体吐出ヘッドの製造方法。
【選択図】図3
Description
面方位が{100}であるSi基板と、
前記Si基板上に液体を保持する流路と、
前記流路と連結し、液体を吐出する複数の吐出口と、
前記流路と連結し、該流路に液体を供給する前記Si基板に設けられた複数の供給口と、を有する液体吐出ヘッドの製造方法において、
最近接の2つの供給口が前記Si基板の<100>方向に並ぶように、前記Si基板の前記流路が形成される面とは反対の面から先導孔を形成する第1のSi除去工程と、
前記先導孔に対して、{100}面のエッチング速度が{110}面のエッチング速度より遅い条件でSi結晶軸異方性エッチングを行い、供給口を形成する第2のSi除去工程と、
をこの順に含むことを特徴とする。
図1は本発明により製造された液体吐出ヘッドを吐出面側から観察した時の模式図である。図2は、図1におけるA−A’の位置の断面を示した斜視図を示す。表面に{100}面を持つSi基板100上には液体吐出エネルギー発生素子101が設けられ、ノズル材料102を用いて液体を吐出する吐出口103及び液体を保持する流路104が形成されている。また、流路104に連結された供給口105がSi基板100に複数設けられている。
図6を用いて実施の形態2を説明する。図6は図1におけるA−A’断面、及び、B−B’断面を工程順に表した模式図である。
図7、図8を用いて実施の形態3を説明する。図7は図8(b)におけるA−A’断面、及び、B−B’断面を工程順に表した模式図である。
図10に本実施例の液体吐出ヘッドの製造方法を示す。
(実施例2)
図11に本実施例の液体吐出ヘッドの製造方法を示す。
101 液体吐出エネルギー発生素子
102 ノズル材料
103 吐出口
104 流路
105 独立供給口
106 Si梁
300 基板
301 パッシベーション膜
302、602 先導孔
600 犠牲層付き基板
601 犠牲層
700 レジスト
701 共通液室となる空間
702 基板薄化された領域
1001 型材
1002 保護膜
Claims (10)
- 面方位が{100}であるSi基板と、
前記Si基板上に液体を保持する流路と、
前記流路と連結し、液体を吐出する複数の吐出口と、
前記流路と連結し、該流路に液体を供給する前記Si基板に設けられた複数の供給口と、
を有する液体吐出ヘッドの製造方法において、
最近接の2つの供給口が前記Si基板の<100>方向に並ぶように、前記Si基板の前記流路が形成される面とは反対の面から先導孔を形成する第1のSi除去工程と、
前記先導孔に対して、{100}面のエッチング速度が{110}面のエッチング速度より遅い条件でSi結晶軸異方性エッチングを行い、供給口を形成する第2のSi除去工程と、
をこの順に含むことを特徴とする液体吐出ヘッドの製造方法。 - 前記第2のSi除去工程において、水酸化テトラメチルアンモニウム(TMAH)を主成分とするエッチング液を用いてSi結晶軸異方性エッチングを行う請求項1に記載の液体吐出ヘッドの製造方法。
- 前記第2のSi除去工程において、水酸化カリウム(KOH)を主成分とするエッチング液を用いてSi結晶軸異方性エッチングを行う請求項1に記載の液体吐出ヘッドの製造方法。
- 前記第1のSi除去工程において、レーザー加工を用いてSiを除去することを特徴とする請求項1から3のいずれか1項に記載の液体吐出ヘッドの製造方法。
- 前記Si基板の前記流路が形成される面の一部に、前記第2のSi除去工程においてSi結晶軸異方性エッチングの際に等方性エッチングされる犠牲層を設ける工程を、前記第1のSi除去工程より前に有することを特徴とする請求項1から4のいずれか1項に記載の液体吐出ヘッドの製造方法。
- 前記第1のSi除去工程において、ドライエッチングを用いてSiを除去することを特徴とする請求項5に記載の液体吐出ヘッドの製造方法。
- 前記Si基板の前記流路が形成される面とは反対の面から、前記供給口が少なくとも二つ以上連結された共通液室となる空間を形成する工程を、前記第1のSi除去工程より前に有する、請求項1から6のいずれか1項に記載の液体吐出ヘッドの製造方法。
- 前記共通液室となる空間をSi結晶軸異方性エッチングにて形成する請求項7に記載の液体吐出ヘッドの製造方法。
- 前記共通液室となる空間をドライエッチングにて形成する請求項7に記載の液体吐出ヘッドの製造方法。
- 面方位が{100}であるSi基板と、
前記Si基板上に液体を保持する流路と、
前記流路と連結し、液体を吐出する複数の吐出口と、
前記流路と連結し、該流路に液体を供給する前記Si基板に設けられた複数の供給口と、
を有する液体吐出ヘッドにおいて、
最近接の2つの供給口が前記Si基板の<100>方向に並び、供給口の壁面が{100}面で形成されていることを特徴とする液体吐出ヘッド。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008323787A JP4656670B2 (ja) | 2008-12-19 | 2008-12-19 | 液体吐出ヘッド及び液体吐出ヘッドの製造方法 |
US12/629,238 US8366951B2 (en) | 2008-12-19 | 2009-12-02 | Liquid discharge head and method of manufacturing a substrate for the liquid discharge head |
EP09178533.7A EP2202076B1 (en) | 2008-12-19 | 2009-12-09 | Liquid discharge head and method of manufacturing the liquid discharge head |
KR1020090123747A KR101248344B1 (ko) | 2008-12-19 | 2009-12-14 | 액체 토출 헤드 및 액체 토출 헤드용 기판의 제조 방법 |
CN2009102594215A CN101746143B (zh) | 2008-12-19 | 2009-12-18 | 液体排出头用基板的制造方法 |
RU2009147227/12A RU2416522C1 (ru) | 2008-12-19 | 2009-12-18 | Головка для выброса жидкости и способ изготовления головки для выброса жидкости |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012076455A (ja) * | 2010-09-06 | 2012-04-19 | Canon Inc | 液体吐出ヘッド用基板の製造方法 |
JP2012158146A (ja) * | 2011-02-02 | 2012-08-23 | Canon Inc | インクジェット記録ヘッドおよびインクジェット記録ヘッドの製造方法 |
JP2014144561A (ja) * | 2013-01-28 | 2014-08-14 | Kyocera Corp | 液体吐出ヘッド、および記録装置 |
JP2017007295A (ja) * | 2015-06-25 | 2017-01-12 | キヤノン株式会社 | 液体吐出ヘッド用基板および液体吐出ヘッド |
Families Citing this family (8)
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US20130083126A1 (en) * | 2011-09-30 | 2013-04-04 | Emmanuel K. Dokyi | Liquid ejection device with planarized nozzle plate |
JP5539547B2 (ja) * | 2012-01-24 | 2014-07-02 | キヤノン株式会社 | 液体吐出ヘッド及びその製造方法 |
JP5925064B2 (ja) * | 2012-06-20 | 2016-05-25 | キヤノン株式会社 | 液体吐出ヘッドの製造方法 |
JP5980012B2 (ja) * | 2012-06-27 | 2016-08-31 | キヤノン株式会社 | シリコンウェハの加工方法 |
JP2015168143A (ja) * | 2014-03-06 | 2015-09-28 | セイコーエプソン株式会社 | 貫通孔の形成方法、部材、インクジェットヘッド、インクジェットヘッドユニットおよびインクジェット式記録装置 |
JP2018094845A (ja) | 2016-12-15 | 2018-06-21 | キヤノン株式会社 | 液体吐出ヘッド |
JP2018103515A (ja) * | 2016-12-27 | 2018-07-05 | セイコーエプソン株式会社 | 液体吐出ヘッドの製造方法 |
JP2019089233A (ja) * | 2017-11-14 | 2019-06-13 | エスアイアイ・プリンテック株式会社 | 噴射孔プレートの製造方法 |
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JP4447974B2 (ja) | 2004-06-28 | 2010-04-07 | キヤノン株式会社 | インクジェットヘッドの製造方法 |
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US7105456B2 (en) | 2004-10-29 | 2006-09-12 | Hewlett-Packard Development Company, Lp. | Methods for controlling feature dimensions in crystalline substrates |
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- 2009-12-02 US US12/629,238 patent/US8366951B2/en not_active Expired - Fee Related
- 2009-12-09 EP EP09178533.7A patent/EP2202076B1/en not_active Not-in-force
- 2009-12-14 KR KR1020090123747A patent/KR101248344B1/ko not_active IP Right Cessation
- 2009-12-18 RU RU2009147227/12A patent/RU2416522C1/ru not_active IP Right Cessation
- 2009-12-18 CN CN2009102594215A patent/CN101746143B/zh not_active Expired - Fee Related
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JP2001018385A (ja) * | 1999-07-09 | 2001-01-23 | Ricoh Co Ltd | インクジェットヘッド |
JP2007210242A (ja) * | 2006-02-10 | 2007-08-23 | Canon Inc | インクジェット記録ヘッド及びその作製方法 |
JP2008260151A (ja) * | 2007-04-10 | 2008-10-30 | Canon Inc | インクジェットヘッドおよびマイクロ構造体の作製方法 |
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JP2012076455A (ja) * | 2010-09-06 | 2012-04-19 | Canon Inc | 液体吐出ヘッド用基板の製造方法 |
JP2012158146A (ja) * | 2011-02-02 | 2012-08-23 | Canon Inc | インクジェット記録ヘッドおよびインクジェット記録ヘッドの製造方法 |
JP2014144561A (ja) * | 2013-01-28 | 2014-08-14 | Kyocera Corp | 液体吐出ヘッド、および記録装置 |
JP2017007295A (ja) * | 2015-06-25 | 2017-01-12 | キヤノン株式会社 | 液体吐出ヘッド用基板および液体吐出ヘッド |
Also Published As
Publication number | Publication date |
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CN101746143B (zh) | 2013-05-01 |
RU2416522C1 (ru) | 2011-04-20 |
KR101248344B1 (ko) | 2013-04-01 |
KR20100071912A (ko) | 2010-06-29 |
EP2202076B1 (en) | 2015-07-29 |
JP4656670B2 (ja) | 2011-03-23 |
EP2202076A2 (en) | 2010-06-30 |
CN101746143A (zh) | 2010-06-23 |
EP2202076A3 (en) | 2012-11-21 |
US20100156990A1 (en) | 2010-06-24 |
US8366951B2 (en) | 2013-02-05 |
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