JP2022053182A - 液滴吐出ヘッド及びプリンタ - Google Patents
液滴吐出ヘッド及びプリンタ Download PDFInfo
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- JP2022053182A JP2022053182A JP2020159854A JP2020159854A JP2022053182A JP 2022053182 A JP2022053182 A JP 2022053182A JP 2020159854 A JP2020159854 A JP 2020159854A JP 2020159854 A JP2020159854 A JP 2020159854A JP 2022053182 A JP2022053182 A JP 2022053182A
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- 239000002243 precursor Substances 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
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- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
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- WSMQKESQZFQMFW-UHFFFAOYSA-N 5-methyl-pyrazole-3-carboxylic acid Chemical compound CC1=CC(C(O)=O)=NN1 WSMQKESQZFQMFW-UHFFFAOYSA-N 0.000 description 1
- 229910013641 LiNbO 3 Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
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- 239000004973 liquid crystal related substance Substances 0.000 description 1
- GQYHUHYESMUTHG-UHFFFAOYSA-N lithium niobate Chemical compound [Li+].[O-][Nb](=O)=O GQYHUHYESMUTHG-UHFFFAOYSA-N 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
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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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04581—Control methods or devices therefor, e.g. driver circuits, control circuits controlling heads based on piezoelectric elements
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04588—Control methods or devices therefor, e.g. driver circuits, control circuits using a specific waveform
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04595—Dot-size modulation by changing the number of drops per dot
-
- 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
- B41J2/015—Ink jet characterised by the jet generation process
- B41J2/04—Ink jet characterised by the jet generation process generating single droplets or particles on demand
- B41J2/045—Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
- B41J2/04501—Control methods or devices therefor, e.g. driver circuits, control circuits
- B41J2/04596—Non-ejecting pulses
-
- 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
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- 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
- B41J2202/00—Embodiments of or processes related to ink-jet or thermal heads
- B41J2202/01—Embodiments of or processes related to ink-jet heads
- B41J2202/10—Finger type piezoelectric elements
Landscapes
- Particle Formation And Scattering Control In Inkjet Printers (AREA)
Abstract
Description
モータ駆動回路207及び搬送モータ206は、媒体を搬送する搬送部を構成する。
図6は、ヘッド駆動回路101の構成例について説明するためのブロック図である。前述の通り、ヘッド駆動回路101は、ドライブIC12内に配置される。
Claims (5)
- インクが充填される圧力室と、
前記圧力室内の容積を変化させて当該圧力室に連通するノズルから液滴を吐出させるアクチュエータと、
前記液滴の吐出時には、前記圧力室内の容積を拡張させる拡張パルスと、前記圧力室内の容積を収縮させる収縮パルスと、を含む吐出パルスを前記アクチュエータに印加し、且つ、前記液滴を吐出しないタイミングにおいて、前記ノズルから前記液滴が吐出しない程度に前記圧力室内の容積を変化させる微振動パルスを前記アクチュエータに印加する駆動回路と、
を備え、
前記微振動パルスは、拡張パルス部と収縮パルス部を有し、
前記微振動パルスにおける前記拡張パルス部の中央位置は、前記吐出パルスにおける前記拡張パルスの中央位置に対応し、
前記微振動パルスにおける前記収縮パルス部の立ち下り位置は、前記吐出パルスにおける前記収縮パルスの立ち下り位置に対応する、
液滴吐出ヘッド。 - 前記微振動パルスにおける前記拡張パルス部及び前記収縮パルス部のパルス幅は、0.4AL以上(ALは前記圧力室の圧力の固有振動周期の半分)である、請求項1に記載の液滴吐出ヘッド。
- 前記駆動回路は、前記液滴を吐出しないとき、前記液滴を吐出する場合に前記アクチュエータに印加するべき前記吐出パルスのタイミングで、前記微振動パルスを前記アクチュエータに印加する、請求項1に記載の液滴吐出ヘッド。
- 前記液滴吐出ヘッドは、前記ノズルを複数備え、
前記駆動回路は、それぞれ複数の前記ノズルを含む複数のグループに分割し、グループ単位で前記吐出パルス及び前記微振動パルスの印加を制御し、
前記駆動回路はさらに、各グループにおける最初のノズルに対応する前記アクチュエータに前記吐出パルスを印加するのに先立って、前記最初のノズルに対応する前記アクチュエータに前記微振動パルスを印加する、請求項1に記載の液滴吐出ヘッド。 - 1つのドットを形成するために所定の個数の液滴を吐出するプリンタであって、
媒体を搬送する搬送部と、
インクが充填される圧力室と、
前記圧力室内の容積を変化させて当該圧力室に連通するノズルから前記液滴を吐出させるアクチュエータと、
前記液滴の吐出時には、前記圧力室内の容積を拡張させる拡張パルスと、前記圧力室内の容積を収縮させる収縮パルスと、を含む吐出パルスを前記アクチュエータに印加し、且つ、前記液滴を吐出しないタイミングにおいて、前記ノズルから前記液滴が吐出しない程度に前記圧力室内の容積を変化させる微振動パルスを前記アクチュエータに印加する駆動回路と、
を備える液滴吐出ヘッドと、
を備え、
前記微振動パルスは、拡張パルス部と収縮パルス部を有し、
前記微振動パルスにおける前記拡張パルス部の中央位置は、前記吐出パルスにおける前記拡張パルスの中央位置に対応し、
前記微振動パルスにおける前記収縮パルス部の立ち下り位置は、前記吐出パルスにおける前記収縮パルスの立ち下り位置に対応する、
プリンタ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020159854A JP7510830B2 (ja) | 2020-09-24 | 2020-09-24 | 液滴吐出ヘッド及びプリンタ |
EP21168426.1A EP3974187B1 (en) | 2020-09-24 | 2021-04-14 | Liquid droplet discharge head and printer |
CN202110775037.1A CN114248547A (zh) | 2020-09-24 | 2021-07-08 | 液滴喷出头以及打印机 |
Applications Claiming Priority (1)
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---|---|---|---|
JP2020159854A JP7510830B2 (ja) | 2020-09-24 | 2020-09-24 | 液滴吐出ヘッド及びプリンタ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022053182A true JP2022053182A (ja) | 2022-04-05 |
JP7510830B2 JP7510830B2 (ja) | 2024-07-04 |
Family
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JP2020159854A Active JP7510830B2 (ja) | 2020-09-24 | 2020-09-24 | 液滴吐出ヘッド及びプリンタ |
Country Status (3)
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EP (1) | EP3974187B1 (ja) |
JP (1) | JP7510830B2 (ja) |
CN (1) | CN114248547A (ja) |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3944712B2 (ja) * | 2001-04-17 | 2007-07-18 | セイコーエプソン株式会社 | インクジェット式プリンタ |
JP3986910B2 (ja) | 2002-07-11 | 2007-10-03 | 東芝テック株式会社 | インクジェットヘッドの駆動方法およびその駆動方法を用いたインクジェット印刷装置 |
ES2421155T3 (es) | 2006-10-12 | 2013-08-29 | Agfa Graphics N.V. | Método para operar un cabezal de impresión por inyección de tinta |
JP6598696B2 (ja) * | 2016-01-29 | 2019-10-30 | 東芝テック株式会社 | インクジェットヘッド及びインクジェットプリンタ |
JP7012436B2 (ja) | 2017-01-17 | 2022-01-28 | 東芝テック株式会社 | インクジェットヘッド |
JP2020055214A (ja) | 2018-10-02 | 2020-04-09 | 東芝テック株式会社 | 液体吐出ヘッド及びプリンタ |
JP7189050B2 (ja) * | 2019-03-01 | 2022-12-13 | 東芝テック株式会社 | 液体吐出ヘッド及びプリンタ |
-
2020
- 2020-09-24 JP JP2020159854A patent/JP7510830B2/ja active Active
-
2021
- 2021-04-14 EP EP21168426.1A patent/EP3974187B1/en active Active
- 2021-07-08 CN CN202110775037.1A patent/CN114248547A/zh active Pending
Also Published As
Publication number | Publication date |
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JP7510830B2 (ja) | 2024-07-04 |
CN114248547A (zh) | 2022-03-29 |
EP3974187B1 (en) | 2023-12-20 |
EP3974187A1 (en) | 2022-03-30 |
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