JP2017024337A - 液体吐出ヘッド用基板および液体吐出ヘッド用基板の製造方法 - Google Patents
液体吐出ヘッド用基板および液体吐出ヘッド用基板の製造方法 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
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- B41J2/1621—Manufacturing processes
- B41J2/1631—Manufacturing processes photolithography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14024—Assembling head parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/1408—Structure dealing with thermal variations, e.g. cooling device, thermal coefficients of materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/14—Structure thereof only for on-demand ink jet heads
- B41J2/14016—Structure of bubble jet print heads
- B41J2/14088—Structure of heating means
- B41J2/14112—Resistive element
- B41J2/14129—Layer structure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
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- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
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- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1601—Production of bubble jet print heads
- B41J2/1603—Production of bubble jet print heads of the front shooter type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/1626—Manufacturing processes etching
- B41J2/1628—Manufacturing processes etching dry etching
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/16—Production of nozzles
- B41J2/1621—Manufacturing processes
- B41J2/164—Manufacturing processes thin film formation
- B41J2/1642—Manufacturing processes thin film formation thin film formation by CVD [chemical vapor deposition]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49401—Fluid pattern dispersing device making, e.g., ink jet
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
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- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
【解決手段】 蓄熱層と、前記蓄熱層の表面から裏面へ向かって延びる一対の電極と、前記一対の電極と前記蓄熱層の前記表面とに接する発熱抵抗層と、前記発熱抵抗層を被覆する第1の被覆層と、が積層された液体吐出ヘッド用基板の製造方法は、前記発熱抵抗層と前記第1の被覆層とを有する基板に設けたマスクを用いて前記発熱抵抗層と前記第1の被覆層とをエッチングする工程と、前記マスクを除去する工程と、前記発熱抵抗層の端部を被覆する第2の被覆層を設ける工程と、をこの順に有する。
【選択図】 図2
Description
<ヘッド用基板>
まず、本実施形態に係る液体吐出ヘッド用基板としての、インク等の液体を吐出する液体吐出ヘッドに用いられるヘッド用基板100を図1、図7を用いて説明する。なお、以下で説明する形態の材料や厚さなどは本発明の一例である。
次に、ヘッド用基板100の製造工程における課題に関して図5、図6を用いて説明する。図5(a)は比較例のヘッド用基板の発熱抵抗体107およびその近傍を示す上面図であり、図5(b)はA−A断面図である。図6は比較例のヘッド用基板100の製造方法を示す工程フロー図である。
本実施形態に係るヘッド用基板100の構成および製造方法について、図3、図4を用いて説明する。なお、以下に説明する層の厚さや材料等は本実施形態の一例である。また、上述の実施形態と同じ箇所については説明を省略する。
102 電極
103 発熱抵抗層
104 絶縁層
105 端部被覆層
106 保護層
107 発熱抵抗体
200 フォトレジスト
Claims (15)
- 蓄熱層と、前記蓄熱層の表面から裏面へ向かって延びる一対の電極と、前記一対の電極と前記蓄熱層の前記表面とに接する発熱抵抗層と、前記発熱抵抗層を被覆する第1の被覆層と、が積層された液体吐出ヘッド用基板の製造方法であって、
前記発熱抵抗層と前記第1の被覆層とを有する基板に設けたマスクを用いて前記発熱抵抗層と前記第1の被覆層とをエッチングする工程と、
前記マスクを除去する工程と、
前記発熱抵抗層の端部を被覆する第2の被覆層を設ける工程と、
をこの順に有することを特徴とする液体吐出ヘッド用基板の製造方法。 - 前記表面に直交する方向からみて前記第2の被覆層は前記発熱抵抗層のうちの前記一対の電極で規定される発熱抵抗体の領域と重ならない、請求項1に記載の液体吐出ヘッド用基板の製造方法。
- 前記表面に直交する方向から見て前記第2の被覆層の一部は前記一対の電極と重なる、請求項1または請求項2に記載の液体吐出ヘッド用基板の製造方法。
- 前記表面に直交する方向から見て前記第2の被覆層は前記一対の電極と重ならない、請求項1または請求項2に記載の液体吐出ヘッド用基板の製造方法。
- 前記第1の被覆層は絶縁性材料で形成されている、請求項1乃至請求項4のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 前記第1の被覆層はSiNで形成されている、請求項1乃至請求項5のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 前記第1の被覆層の厚みは50nm以上300nm以下である、請求項1乃至請求項6のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 前記第2の被覆層は絶縁性材料で形成されている、請求項1乃至請求項7のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 前記エッチングする工程では、前記発熱抵抗層、前記第1の被覆層、および前記第1の被覆層を被覆する第3の被覆層をエッチングし、
前記第2の被覆層を設ける工程において前記第2の被覆層をエッチングする際に前記第3の被覆層で前記第2の被覆層のエッチングを止める、請求項1乃至請求項8のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。 - 酸素プラズマを用いたドライアッシングにより前記マスクを除去する、請求項1乃至請求項9のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 前記一対の電極および前記蓄熱層の前記表面に平坦化処理を行う、請求項1乃至請求項10のいずれか一項に記載の液体吐出ヘッド用基板の製造方法。
- 蓄熱層と、前記蓄熱層の表面から裏面へ向かって延びる一対の電極と、前記一対の電極と前記蓄熱層の前記表面とに接する発熱抵抗層と、前記発熱抵抗層を被覆する第1の被覆層と、を有する液体吐出ヘッド用基板において、
前記発熱抵抗層と前記第1の被覆層とが同じパターンとして形成されており、
前記発熱抵抗層の端部を被覆する第2の被覆層を有することを特徴とする液体吐出ヘッド用基板。 - 前記第1の被覆層は絶縁性材料で形成されている、請求項12に記載の液体吐出ヘッド用基板。
- 前記第2の被覆層は絶縁性材料で形成されている、請求項12または請求項13に記載の液体吐出ヘッド用基板。
- 前記表面に直交する方向からみて前記第2の被覆層は前記発熱抵抗層のうちの前記一対の電極で規定される発熱抵抗体の領域と重ならない、請求項12乃至請求項14のいずれか一項に記載の液体吐出ヘッド用基板。
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JP2015146934A JP6516613B2 (ja) | 2015-07-24 | 2015-07-24 | 液体吐出ヘッド用基板および液体吐出ヘッド用基板の製造方法 |
US15/217,354 US9975338B2 (en) | 2015-07-24 | 2016-07-22 | Method for manufacturing liquid ejection head substrate |
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JP2004276511A (ja) * | 2003-03-18 | 2004-10-07 | Sony Corp | 液体吐出ヘッド、液体吐出装置及び液体吐出ヘッドの製造方法 |
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