JPWO2021099185A5 - - Google Patents
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- JPWO2021099185A5 JPWO2021099185A5 JP2022529447A JP2022529447A JPWO2021099185A5 JP WO2021099185 A5 JPWO2021099185 A5 JP WO2021099185A5 JP 2022529447 A JP2022529447 A JP 2022529447A JP 2022529447 A JP2022529447 A JP 2022529447A JP WO2021099185 A5 JPWO2021099185 A5 JP WO2021099185A5
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- piezoelectric element
- membrane
- material dispensing
- electrode
- dispensing system
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Description
本発明の実施形態では、メンブレン602の上方に、すなわち上部空間10に、第1の電極101が設けられる。好ましい実施形態では、第1の電極101は、好ましくはスパッタリングプロセスで、導電層によって形成される。第1の電極101の上方に、圧電素子102が設けられる。圧電素子102の上方に、第2の電極103が設けられる。好ましい実施形態では、第2の電極103は、好ましくはスパッタリングプロセスで、導電層から形成される。 In an embodiment of the invention, a first electrode 101 is provided above the membrane 602, ie in the upper space 10. In a preferred embodiment, the first electrode 101 is formed by a conductive layer, preferably in a sputtering process. A piezoelectric element 102 is provided above the first electrode 101 . A second electrode 103 is provided above the piezoelectric element 102. In a preferred embodiment, the second electrode 103 is formed from a conductive layer, preferably in a sputtering process.
プリントヘッド3はさらに、材料選別プレートの上に設けられた材料流入プレート2007を含む。材料流入プレートは、材料供給システムを通して供給された材料をハウジングの少なくとも1つの壁に沿って材料貯留槽に誘導するように構成される。 The print head 3 further includes a material inlet plate 2007 provided above the material sorting plate. The material inlet plate is configured to direct material supplied through the material supply system along at least one wall of the housing into the material reservoir.
圧電素子保持プレート2009の下に、ポリイミド薄膜2008が、好ましくは圧電素子保持プレート2009の底面の略全体を覆って設けられる。ポリイミド薄膜2008の下に、複数の延長部材400が、MEU1ごとに1つ設けられる。圧電素子保持プレートでは、複数の平行なスリット601が、複数のメンブレン602を、MEU1ごとに1つ形成している。メンブレン602上に、複数の圧電素子102が、MEU1ごとに1つ設けられる。 A polyimide thin film 2008 is provided below the piezoelectric element holding plate 2009, preferably covering substantially the entire bottom surface of the piezoelectric element holding plate 2009. A plurality of extension members 400 are provided below the polyimide thin film 2008, one for each MEU1. In the piezoelectric element holding plate, a plurality of parallel slits 601 form a plurality of membranes 602, one for each MEU1. A plurality of piezoelectric elements 102 are provided on the membrane 602, one for each MEU1.
Claims (10)
ハウジングと、
前記ハウジングに設けられ、前記ハウジングを上部空間と下部空間とに分割するプレートとを含み、前記下部空間は、吐出のための材料を保持するように構成され、前記材料吐出システムはさらに、
コントローラユニットと、
1つ以上の材料吐出ユニットとを含み、前記1つ以上の材料吐出ユニットは各々、
前記プレートにおいて略平行な2つのスリットによって形成されたメンブレンと、
前記上部空間において前記メンブレンの上方に設けられた第1の電極と、
前記第1の電極上に設けられた圧電素子と、
前記圧電素子上に設けられた第2の電極とを含み、前記第1の電極および前記第2の電極は各々、電圧を前記圧電素子に提供するために前記コントローラユニットに電気的に接続され、前記1つ以上の材料吐出ユニットの各々はさらに、
前記メンブレンの下に設けられ、前記下部空間へと延長する延長部材を含み、
前記材料吐出システムはさらにノズルプレートを含み、前記ノズルプレートは、前記ハウジングの底端に設けられ、1つ以上のノズル開口部を含み、前記ノズル開口部は、それぞれの延長部材のそれぞれの下部に対応する位置に形成され、前記下部空間において前記下部から所定距離離れて設けられる、材料吐出システム。 A material dispensing system, comprising:
housing and
a plate disposed in the housing and dividing the housing into an upper space and a lower space, the lower space configured to hold material for dispensing, the material dispensing system further comprising:
controller unit and
one or more material dispensing units, each of the one or more material dispensing units comprising:
a membrane formed by two substantially parallel slits in the plate;
a first electrode provided above the membrane in the upper space;
a piezoelectric element provided on the first electrode;
a second electrode provided on the piezoelectric element, each of the first electrode and the second electrode being electrically connected to the controller unit for providing a voltage to the piezoelectric element; Each of the one or more material dispensing units further comprises:
an extension member provided below the membrane and extending into the lower space;
The material dispensing system further includes a nozzle plate provided at the bottom end of the housing and including one or more nozzle openings, the nozzle openings being located at the bottom of each of the respective extension members. a material dispensing system formed at a corresponding location and provided at a predetermined distance from the lower portion in the lower space;
前記圧電素子は、横方向圧電効果の変形が前記圧電素子の前記長さ方向に沿って生じるような配向で設けられる、請求項1に記載の材料吐出システム。 The piezoelectric element has a length direction corresponding to the direction of the slit, a width direction perpendicular to the length direction, and is oriented from the lower space to the upper space perpendicular to the membrane. has a height direction,
2. The material dispensing system of claim 1, wherein the piezoelectric element is oriented such that a transverse piezoelectric effect deformation occurs along the length of the piezoelectric element.
前記圧電素子は、前記金属メンブレンに導電接合され、
接合が、前記圧電素子と前記金属メンブレンとの接触面の略全体上で提供される、請求項1~3のいずれか1項に記載の材料吐出システム。 the plate is a metal plate, the membrane is a metal membrane,
the piezoelectric element is conductively bonded to the metal membrane;
A material delivery system according to any preceding claim, wherein a bond is provided over substantially the entire contact surface between the piezoelectric element and the metal membrane.
前記ポリイミド薄膜メンブレンは、カプトンメンブレンであり、および/または、
前記ポリイミド薄膜メンブレンの厚さは、10~100マイクロメートルである、請求項1~6のいずれか1項に記載の材料吐出システム。 a polyimide thin film membrane is provided between the metal plate and the extension member to act as a barrier to prevent contact between the piezoelectric element and any underlying material;
The polyimide thin film membrane is a Kapton membrane, and/or
Material delivery system according to any one of claims 1 to 6, wherein the thickness of the polyimide thin film membrane is between 10 and 100 micrometers.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19210067.5A EP3825100A1 (en) | 2019-11-19 | 2019-11-19 | Material ejection system, print head, 3d printer, and method for material ejection |
EP19210067.5 | 2019-11-19 | ||
PCT/EP2020/081636 WO2021099185A1 (en) | 2019-11-19 | 2020-11-10 | Material ejection system, print head, 3d printer, and method for material ejection |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2023502685A JP2023502685A (en) | 2023-01-25 |
JPWO2021099185A5 true JPWO2021099185A5 (en) | 2023-11-15 |
Family
ID=68618048
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022529447A Pending JP2023502685A (en) | 2019-11-19 | 2020-11-10 | Material ejection system, printhead, 3D printer, and method for material ejection |
Country Status (6)
Country | Link |
---|---|
US (1) | US20230339176A1 (en) |
EP (1) | EP3825100A1 (en) |
JP (1) | JP2023502685A (en) |
KR (1) | KR20220085813A (en) |
CN (1) | CN114728465A (en) |
WO (1) | WO2021099185A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4190535A1 (en) | 2021-12-02 | 2023-06-07 | Quantica GmbH | System and method for optical droplet analysis |
EP4197786A1 (en) | 2021-12-16 | 2023-06-21 | Quantica GmbH | Method and system for a self-maintenance and recovery system for a printhead |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3106044B2 (en) * | 1992-12-04 | 2000-11-06 | 日本碍子株式会社 | Actuator and inkjet printhead using the same |
IL106803A (en) | 1993-08-25 | 1998-02-08 | Scitex Corp Ltd | Ink jet print head |
US6497476B1 (en) * | 1998-10-12 | 2002-12-24 | Matsushita Electric Industrial Co., Ltd. | Liquid injection device, manufacturing method therefor, liquid injection method and manufacturing method for piezo-electric actuator |
ATE370832T1 (en) | 2003-05-01 | 2007-09-15 | Objet Geometries Ltd | RAPID PROTOTYPING APPARATUS |
JP4599871B2 (en) * | 2003-06-30 | 2010-12-15 | ブラザー工業株式会社 | Droplet ejector |
JP4855858B2 (en) * | 2006-07-19 | 2012-01-18 | 富士フイルム株式会社 | Liquid ejection head and image forming apparatus |
KR20080096275A (en) * | 2007-04-27 | 2008-10-30 | 삼성전기주식회사 | Ink-jet head |
JP2010105184A (en) * | 2008-10-28 | 2010-05-13 | Seiko Epson Corp | Droplet delivery device |
ES2861950T3 (en) * | 2013-08-29 | 2021-10-06 | In Te Sa S P A | Print head for decorating ceramic substrates |
-
2019
- 2019-11-19 EP EP19210067.5A patent/EP3825100A1/en active Pending
-
2020
- 2020-11-10 CN CN202080080903.9A patent/CN114728465A/en active Pending
- 2020-11-10 KR KR1020227017029A patent/KR20220085813A/en active Search and Examination
- 2020-11-10 WO PCT/EP2020/081636 patent/WO2021099185A1/en active Application Filing
- 2020-11-10 JP JP2022529447A patent/JP2023502685A/en active Pending
- 2020-11-10 US US17/777,940 patent/US20230339176A1/en active Pending
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