One of the companies I represent has done ultrasonic drilling of wafers since 1979. The company is Alpha Precision in Yorkville, IL. We would like to work with you on any applications you may have. JAA John Arthur Anderson JAAnderson Associates Sales & Marketing, Inc. PO Box 1386 St. Charles, Illinois 60174 USA 630.377.6565 voice 630.377.6581 fax john@jaanderson.com www.jaanderson.com