Dear all, I am looking for 4-inch(100mm)-diameter, more than 300-um-thick single crystal quartz wafers with X-, Z- and AT-cut. Does anybody know contact info of the vendors dealing with above wafers? Thanks for your considerations. Best, CW ====================================================== Chang-Wook Baek, Ph.D. Assistant Professor School of Electrical and Electronics Engineering Chung-Ang University 221 Heuk-Seok Dong, Dong-Jak Gu, Seoul, Korea 156-756 EMAIL : cwbaek@cau.ac.kr PHONE : +82-(0)2-820-5741 MOBILE: +82-(0)11-412-8467 FAX : +82-(0)2-825-1584 ======================================================