JP7279280B2 - サーマルインクジェットプリントヘッドおよびサーマルインクジェットプリントヘッドの製造方法 - Google Patents
サーマルインクジェットプリントヘッドおよびサーマルインクジェットプリントヘッドの製造方法 Download PDFInfo
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- JP7279280B2 JP7279280B2 JP2018556469A JP2018556469A JP7279280B2 JP 7279280 B2 JP7279280 B2 JP 7279280B2 JP 2018556469 A JP2018556469 A JP 2018556469A JP 2018556469 A JP2018556469 A JP 2018556469A JP 7279280 B2 JP7279280 B2 JP 7279280B2
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Classifications
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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
- B41J2/1632—Manufacturing processes machining
- B41J2/1634—Manufacturing processes machining laser machining
-
- 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
- B41J2/14032—Structure of the pressure chamber
- B41J2/1404—Geometrical characteristics
-
- 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
- B41J2/14072—Electrical connections, e.g. details on electrodes, connecting the chip to the outside...
-
- 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
- B41J2/14145—Structure of the manifold
-
- 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
- B41J2/145—Arrangement thereof
-
- 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
- B41J2/145—Arrangement thereof
- B41J2/15—Arrangement thereof for serial printing
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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
- B41J2/145—Arrangement thereof
- B41J2/155—Arrangement thereof for line printing
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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
- B41J2/1601—Production of bubble jet print heads
-
- 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
- B41J2/1601—Production of bubble jet print heads
- B41J2/1603—Production of bubble jet print heads of the front shooter type
-
- 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
- B41J2/1632—Manufacturing processes machining
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Optics & Photonics (AREA)
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
- Laser Beam Processing (AREA)
Description
本発明の目的のために、用語「略直交する」は、必ずしも厳密に直交するとは限らないことを意味する。プレートを通じたレーザアブレーション(しかし、サンドブラストおよび他の穿孔方法またはエッチング方法も)は、特定のテーパ角度を有する穴(またはスロット)をもたらす。ケースの幾つかの部分では、レーザ入射側の断面が出口側の断面よりも大きい。これは、ウエハの後側にある入口側のスロット幅がデバイス側の出口幅より僅かに大きいことを意味する。幅の差とウエハの厚さとの間の比率は、好ましくは0.5%~10%の範囲内である。テーパは、おそらく、光学効果と残骸遮蔽との混合に起因する。これは、本発明によれば、「略直交」と見なされるべきである。一方、サンドブラストは、より顕著なテーパをもたらす傾向がある。デバイスの一般的な説明である図5では、スロットがテーパ状に見える。また、これは、本発明によれば、「略直交」として理解されるべきである。
ここで、ρはインク密度であり、Sは断面積であり、
R=8*π*μ*Δx/(r^4)半径rの円形の断面
R=8*π*μ*Δx*K/(a^2*b^2)辺a、bを有する矩形の断面
ここで、μはインク粘度であり、Kは矩形のアスペクト比b/aに依存する係数であり、ほぼ正方形の断面(a=b)に関し、Rは1/(a^2*b^2)に比例することが分かり、一方、b/a>>1 Rのときに、Rは、1/(a^3*b)に比例するようになる傾向がある。回路部分の断面が均一でない場合には、積分を実行してパラメータ値を得なければならない。
C=(π*d^4)/(64*σ)
ここで、dはノズル直径であり、σはインクの表面張力である。
ζ=R/2*sqrt(C/L)
これは減衰振動系を特徴付ける。ζ>1の場合には、振動が過減衰される。実際には、振動がシステム内で起こらない。ζ<1の場合には、システムが減衰不足となり、実際に、システムが減衰振動を受ける。振動の指数関数的な振幅減衰のタイムスケールは、減衰によって特徴付けられる。これは以下となるのが分かる。
α=R/2L
p=4*σ/d
τ=L/R;
q=p/R*(1-e^(-t/τ))
V=(p/R)*t-(p/R)*τ*(1-e^(-t/τ))
Vnozzle=(p/R)*(T-τ)
T=Vnozzle*(R/p)+τ
ζ=R/2*sqrt(C/L)=(1/2)*sqrt(R*C/τ)
Claims (2)
- サーマルインクジェットプリントヘッドを製造するための方法であって、
スタッガードパターンに従って複数の抵抗体を基板上に設けるステップと、
流体供給チャネルがチップ表面と略直交して延在するように、前記基板を貫いて前記流体供給チャネルを形成するステップであって、前記流体供給チャネルが、前記抵抗体の前記スタッガードパターンに従うスタッガードエッジを有しており、抵抗体エッジと、対応するスタッガードエッジとの間の流路長が抵抗体同士で同様になっている、ステップと
を含む方法において、
前記流体供給チャネルが、
前記基板の後側から始まり反対側の表面に達しないサンドブラストと、
貫通スロットになるまでの、その後のレーザアブレーションと
によって形成され、前記その後のレーザアブレーションが、前記スロットの外周上または前記スロットの拡大された外周上で、前記基板の後側から行われることを特徴とする、方法。 - 前記レーザアブレーションが、レーザビームの時計回りおよび反時計回りの交互の動きによって行なわれる、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP16170381 | 2016-05-19 | ||
EP16170381.4 | 2016-05-19 | ||
PCT/EP2017/062113 WO2017198821A1 (en) | 2016-05-19 | 2017-05-19 | Thermal inkjet print head and method of manufacturing of a thermal inkjet print head |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019516578A JP2019516578A (ja) | 2019-06-20 |
JP7279280B2 true JP7279280B2 (ja) | 2023-05-23 |
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Application Number | Title | Priority Date | Filing Date |
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JP2018556469A Active JP7279280B2 (ja) | 2016-05-19 | 2017-05-19 | サーマルインクジェットプリントヘッドおよびサーマルインクジェットプリントヘッドの製造方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US10696049B2 (ja) |
EP (1) | EP3458271B1 (ja) |
JP (1) | JP7279280B2 (ja) |
KR (1) | KR102346952B1 (ja) |
CN (1) | CN109195804B (ja) |
AR (1) | AR108508A1 (ja) |
CA (1) | CA3022350A1 (ja) |
RU (1) | RU2746306C2 (ja) |
WO (1) | WO2017198821A1 (ja) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US20030155328A1 (en) | 2002-02-15 | 2003-08-21 | Huth Mark C. | Laser micromachining and methods and systems of same |
US20060218789A1 (en) | 2005-03-31 | 2006-10-05 | Lexmark International, Inc. | Overhanging nozzles |
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US6042222A (en) | 1997-08-27 | 2000-03-28 | Hewlett-Packard Company | Pinch point angle variation among multiple nozzle feed channels |
US6024440A (en) | 1998-01-08 | 2000-02-15 | Lexmark International, Inc. | Nozzle array for printhead |
US6565195B2 (en) | 2001-05-04 | 2003-05-20 | Hewlett-Packard Development Company, L.P. | Feed channels of a fluid ejection device |
US6641745B2 (en) * | 2001-11-16 | 2003-11-04 | Hewlett-Packard Development Company, L.P. | Method of forming a manifold in a substrate and printhead substructure having the same |
US7051426B2 (en) * | 2002-01-31 | 2006-05-30 | Hewlett-Packard Development Company, L.P. | Method making a cutting disk into of a substrate |
US7254890B2 (en) * | 2004-12-30 | 2007-08-14 | Lexmark International, Inc. | Method of making a microfluid ejection head structure |
US7427125B2 (en) * | 2005-04-15 | 2008-09-23 | Hewlett-Packard Development Company, L.P. | Inkjet printhead |
US7909434B2 (en) | 2006-10-27 | 2011-03-22 | Hewlett-Packard Development Company, L.P. | Printhead and method of printing |
US7850286B2 (en) | 2007-06-25 | 2010-12-14 | Lexmark International, Inc. | Micro-fluid ejector pattern for improved performance |
WO2011126492A1 (en) | 2010-04-09 | 2011-10-13 | Hewlett-Packard Development Company, L.P. | Print head |
JP6343543B2 (ja) * | 2014-10-15 | 2018-06-13 | 株式会社アマダホールディングス | レーザ加工機、レーザ加工方法、加工データ作成装置 |
JP6522040B2 (ja) * | 2017-04-28 | 2019-05-29 | キヤノン株式会社 | 積層体の製造方法および液体吐出ヘッドの製造方法 |
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2017
- 2017-05-17 AR ARP170101325A patent/AR108508A1/es active IP Right Grant
- 2017-05-19 JP JP2018556469A patent/JP7279280B2/ja active Active
- 2017-05-19 CN CN201780029946.2A patent/CN109195804B/zh active Active
- 2017-05-19 RU RU2018140417A patent/RU2746306C2/ru active
- 2017-05-19 CA CA3022350A patent/CA3022350A1/en active Pending
- 2017-05-19 KR KR1020187036138A patent/KR102346952B1/ko active IP Right Grant
- 2017-05-19 US US16/302,970 patent/US10696049B2/en active Active
- 2017-05-19 WO PCT/EP2017/062113 patent/WO2017198821A1/en active Search and Examination
- 2017-05-19 EP EP17724367.2A patent/EP3458271B1/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030155328A1 (en) | 2002-02-15 | 2003-08-21 | Huth Mark C. | Laser micromachining and methods and systems of same |
US20060218789A1 (en) | 2005-03-31 | 2006-10-05 | Lexmark International, Inc. | Overhanging nozzles |
Also Published As
Publication number | Publication date |
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US10696049B2 (en) | 2020-06-30 |
RU2018140417A3 (ja) | 2020-07-15 |
CA3022350A1 (en) | 2017-11-23 |
RU2018140417A (ru) | 2020-06-19 |
WO2017198821A1 (en) | 2017-11-23 |
US20190176471A1 (en) | 2019-06-13 |
JP2019516578A (ja) | 2019-06-20 |
CN109195804B (zh) | 2020-07-07 |
AR108508A1 (es) | 2018-08-29 |
RU2746306C2 (ru) | 2021-04-12 |
EP3458271B1 (en) | 2020-04-08 |
EP3458271A1 (en) | 2019-03-27 |
CN109195804A (zh) | 2019-01-11 |
KR20190008322A (ko) | 2019-01-23 |
KR102346952B1 (ko) | 2022-01-05 |
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