超音波処理方法及び超音波処理装置

Japanese Patent JP7295490

B2

[Problem] To more reliably propagate ultrasonic waves through a plurality of treatment objects and to further uniformize surface treatment. [Solution] In this invention, in a state in which a treatment tank provided with an ultrasonic application mechanism is filled with a treatment liquid and a plurality of treatment objects are immersed in the treatment liquid, surface treatment is performed on the treatment objects while applying ultrasonic waves to the treatment objects. In the invention, each of the treatment objects is disposed so as to be in contact with another treatment object at at least two positions, a hollow reflection oscillator is disposed inside the treatment tank in a state in which the oscillator is immersed in the treatment liquid, the reflection oscillator is disposed so as to be in contact with the other treatment object at at least two positions, the ratio Dr/Ds that is the ratio of the maximum value Ds of the outer diameters of the treatment objects to the maximum value Dr of the outer diameter of the reflection oscillator is 0.2 to 6.0, a specific acoustic impedance Zr of the reflection oscillator is 1×107 to 2×108kg·m-2·sec-1, and a hollow part of the reflection oscillator is filled with a liquid or gas of a specific acoustic impedance Zi different from the specific acoustic impedance Zr.

JPH07108221	ULTRASONIC GENERATOR
JP2542248	[Name of device] Cleaning device for racks for photofinishing machines
WO/2020/123529	SYSTEM AND METHOD FOR COATING REMOVAL

Eri Hoshiba
Hiromitsu Date
Shinji Tokumaru

JP2022569423A

June 21, 2023

December 17, 2020

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Nippon Steel Corporation

B08B3/12

JP4624934Y1
JP3222419A

WO2018169050A1
WO2011067955A1

Koji Hagiwara
Tetsuo Kanemoto
Naoki Ogita
Takashi Saito
Takuya Mine

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