Vatech I/O Sensor Classic 2.01. ULTRA SLIM FOR EASY POSITIONING Slim, CMOS ensures that patients are as comfortable as possible. Placing and positioning a sensor in the patients mouth is still challenging. Over the years digital sensor technology has been improved to achieve patient comfort. VATECH R&D Center found out the thickness that minimizes pain from the test, and lead the technology maintaining the thickness while using CMOS chip. 2. PATIENT ORIENTED DESIGN Rounded corner