Inquiry (采购产品): actuator crystals Dear Sir/Madam, I need ring or tube drive crystals for the development of an ultrasonic surgical tool. Approximately .5 to 1 inch long, 1 inch diameter, .25 to .5 inch id. I have previously used barium titanate but while I do not know crystal technology I suspect that it is not optimal for our use. Compressed in a resonant tool structure and driving a shuttle at the same time. Therefore impact. **** Hidden Message ***** Edmund Weis 30555 7th Ave. Redlands, CA 92374 USA Company: Weis Enterprises, Inc. Title: Dr. CEO Phone: 9097925941 Fax: 9097923980 E-mail: ed-weis@hotmail.com **** Hidden Message ***** ed-weis@hotmail.com