Hi, Does anyone know venders who can supply 4" and/or 6" silicon wafers of 2 mm to 3 mm thick? Thanks in advance for your information. --Yang Tseng-Yang Hsu Integrated Micromachines Inc. 1400 S. Shamrock Avenue Monrovia, CA 91016 phone: 626-256-7800 email: yang@micromachines.com