Saturday, February 04, 2006

Squiggle Optical Zoom Module

Photonics-Spectra: New Scale Technologies Inc. presented a new optical zoom module for mobile phone cameras at Photonics West 2006. It uses the company's piezoelectric Squiggle motor to achieve lens travel greater than 4 mm with better than 10 micrometer closed-loop repeatability (2.4 mm x 2.4 mm x 6.5 mm linear motor).
The Squiggle motor uses a threaded nut and screw to create precise linear movement in a very small space. Piezoelectric ceramics create ultrasonic vibrations in the nut, causing the screw to rotate and translate with high precision.

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