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Title:
BUBBLE JETTING METHOD, BUBBLE JETTING DEVICE AND BUBBLE JETTING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2020/085281
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing a bubble jetting method based on a new principle that is different from conventional bubble jetting methods with the use of a bubble jetting member (a bubble jetting tip), a bubble jetting device to be used in the bubble jetting method, and a bubble jetting apparatus comprising the bubble jetting device. To solve the problem, provided is a bubble jetting method using a bubble jetting device, wherein the bubble jetting device comprises: a substrate formed of a dielectric material; a bubble jetting hole which is formed so as to penetrate from a first surface of the substrate to a second surface thereof opposed to the first surface; a first opening which is formed on the first surface at a position where the bubble jetting hole penetrates; and a second opening which is formed on the second surface at a position where the bubble jetting hole penetrates. The bubble jetting method comprises: a substrate/electroconductive liquid contact step for bringing a part of the substrate, said part including at least the first and second openings, into contact with an electroconductive liquid; an electroconductive liquid/electrode contact step for bringing a first electrode into contact with the electroconductive liquid on the first opening side and also bringing a second electrode into contact with the electroconductive liquid on the second opening side; a voltage application step for applying a voltage to the first and second electrodes; and a bubble jetting step for jetting bubbles from the bubble jetting hole into the electroconductive liquid.

Inventors:
YAMANISHI YOKO (JP)
YAMASHITA YU (JP)
ICHIKAWA KEITA (JP)
FUKUYAMA YUDAI (JP)
MASUDA REN (JP)
Application Number:
PCT/JP2019/041260
Publication Date:
April 30, 2020
Filing Date:
October 21, 2019
Export Citation:
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Assignee:
UNIV KYUSHU NAT UNIV CORP (JP)
International Classes:
C12M1/00
Domestic Patent References:
WO2017069085A12017-04-27
WO2013129657A12013-09-06
WO2016052511A12016-04-07
Foreign References:
JP2009527321A2009-07-30
Other References:
YUDAI FUKUYAMA , KEITA ICHIKAWA , MASARU YAMASHITA , YOKO YAMANISHI: "Study of electric field-induced bubbles using a dielectric plate with an electric field concentration structure", MICRO / NANO ENGINEERING SYMPOSIUM, vol. 2018.9, 30 October 2018 (2018-10-30), pages 1 - 2, XP009528042, ISSN: 2432-9495, DOI: 10.1299/jsmemnm.2018.9.30am3PN65
YOKO YAMANISHI, KEITA ICHIKAWA: "Emerging functions of electrically-induced bubbles", JOURNAL OF THE VISUALIZATION SOCIETY OF JAPAN, vol. 39, no. 154, 1 January 2019 (2019-01-01), pages 8 - 13, XP055810410, ISSN: 0916-4731, DOI: 10.3154/jvs.39.154_8
See also references of EP 3872160A4
Attorney, Agent or Firm:
MATSUMOTO Seiji (JP)
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