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23. Ultrasonic couplants for acoustic microscopy of low speed materials

Author

Ardebili, Vahid Safavi, Sinclair, Anthony N., and Spelt, Jan K.

Subjects
Acoustic surface wave devices -- Research, Organic compounds -- Usage, Quantum theory -- Research, Business, Electronics, Electronics and electrical industries
Abstract

A method uses molecular constants and two parameters that characterize each type of bond in a molecule to determine the compression wave velocities of organic fluids. The fluids are useful in acoustic microscopy studies of low-speed materials. 2-dichloropentafluoropopane is suitable for acoustic microscopy of epoxy surfaces. A theoretical study and experimental measurements determine the acoustic velocity and attenuation of different fluorine-containing compounds.

Published
1997

29. 'BGA Solder Joint Fracture as a Function of Strain Rate and PCB Rigidity': SMTA International Conference on Soldering and Reliability

Author

Nourani, Amir, Akbari, Saeed, and Spelt, Jan K.

Subjects
Conferences and conventions -- Conferences, meetings and seminars, Business, Computers and office automation industries, Engineering and manufacturing industries, Business, international
Abstract

Authors: Amir Nourani, Saeed Akbari and Jan K. Spelt; spelt@mie.utoronto.ca. Abstract: This study investigated the effect of PCB stiffness on the fracture loads of BGA solder joints over a range [...]

Published
2016

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