DocumentCode
1725171
Title
Substrate cleaning using ultrasonics/megasonics
Author
Kazemi, Mohammad ; Treichel, Helmuth ; Ligutom, Rito
Author_Institution
Xyratex Int. Inc., Fremont, CA, USA
fYear
2011
Firstpage
1
Lastpage
6
Abstract
The adhesion and detachment forces acting on spherical particles attached to a substrate is investigated. It is found that alumina particles larger than 50 nm and glass particles larger than 10 nm can be successfully dislodged by acoustic waves in an ultrasonic tank. Inspection of detachment forces reveals that the dominant detachment force is acoustic cavitation force for particles larger than 35 nm (f = 950 kHz).
Keywords
acoustic waves; adhesion; alumina; cavitation; glass; inspection; ultrasonic cleaning; Al2O3; SiO2; acoustic cavitation force; acoustic waves; adhesion forces; alumina particles; detachment forces; frequency 950 kHz; glass particles; inspection; megasonics; spherical particles; substrate cleaning; ultrasonic tank; Acoustics; Adhesives; Equations; Force; Mathematical model; Substrates; Transducers; Acoustic Cavitation; Acoustic streaming; Particle Removal; Ultrasonics/Megasonics; Van der Waals Force;
fLanguage
English
Publisher
ieee
Conference_Titel
Advanced Semiconductor Manufacturing Conference (ASMC), 2011 22nd Annual IEEE/SEMI
Conference_Location
Saratoga Springs, NY
ISSN
1078-8743
Print_ISBN
978-1-61284-408-4
Electronic_ISBN
1078-8743
Type
conf
DOI
10.1109/ASMC.2011.5898185
Filename
5898185
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