Title:
ULTRASONIC PROCESSING DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/125260
Kind Code:
A1
Abstract:
[Problem] To more conveniently enhance the propagation properties and uniformity of ultrasonic waves even when processing a plurality of workpieces. [Solution] An ultrasonic processing device according to the present invention comprises a processing tank capable of storing a workpiece and a processing liquid for immersion of the workpiece, and an ultrasonic wave application mechanism for applying ultrasonic waves to the processing liquid, the processing tank having a major axis about which cross-sectional shapes are substantially identical to each other, and a wall surface of the processing tank extending to a projected line of the liquid surface height of the processing liquid being a concave surface, and the ultrasonic wave application mechanism being provided in a position at which the angle θ formed by a line normal to an ultrasonic wave oscillation surface and the liquid surface projection line of the processing liquid being 5-80°.
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Inventors:
HOSHIBA ERI (JP)
DATE HIROMITSU (JP)
TOKUMARU SHINJI (JP)
OBARA SHINTARO (JP)
OZAKI YUTA (JP)
HAYASHI NOBUYUKI (JP)
ANDO MASAKI (JP)
DATE HIROMITSU (JP)
TOKUMARU SHINJI (JP)
OBARA SHINTARO (JP)
OZAKI YUTA (JP)
HAYASHI NOBUYUKI (JP)
ANDO MASAKI (JP)
Application Number:
PCT/JP2020/047145
Publication Date:
June 24, 2021
Filing Date:
December 17, 2020
Export Citation:
Assignee:
NIPPON STEEL CORP (JP)
NIPPON STEEL ENG CO LTD (JP)
NIPPON STEEL ENG CO LTD (JP)
International Classes:
B08B3/12; C23G3/00
Domestic Patent References:
WO2018169050A1 | 2018-09-20 |
Foreign References:
CN105170562A | 2015-12-23 | |||
JP2005046824A | 2005-02-24 | |||
JPS55114379A | 1980-09-03 | |||
JPH07100444A | 1995-04-18 | |||
US6019852A | 2000-02-01 |
Attorney, Agent or Firm:
HAGIWARA, Yasushi et al. (JP)
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