... ultrasonic print-head that generates continuous streams of droplets from 45 μ m orifices while operating in the 0.5–3.0 MHz frequency range. The device is composed of a bulk ceramic piezoelectric transducer for ultrasound generation, a reservoir for the material to be printed, and a silicon micromachined...

... integrated force system whenever a tool change occurs to accurately measure high-frequency bandwidth cutting forces. 16 06 2003 11 08 2005 force sensors machine tool spindles cutting piezoelectric transducers calibration packaging receptance coupling modular FRF...

... April 2001; Revised March 2002. Associate Editor: A. Shih. 01 April 2001 01 March 2002 15 04 2003 grinding force sensors piezoelectric transducers plastic deformation Two grinding experiments demonstrate the concept. The measured normal forces during...

.... Associate Technical Editor: R. Kovacevic. 01 Nov 1997 01 March 1998 nondestructive testing ultrasonic applications piezoelectric transducers welding quality control laser beam applications optical fibres Efforts have been made to apply traditional ultrasonic techniques...