CMOS image sensor designed for medical imaging developed via collaboration

Learn about a collaboration between OmniVision Technologies, Precision Optics Corporation, Inc., and Fujikura Ltd. that produced a 160K (400 x 400) CMOS image sensor module, which is designed for medical imaging applications.

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OmniVision Technologies, Precision Optics Corporation, Inc., and Fujikura Ltd. have collaborated to produce a 160K (400 x 400) CMOS image sensor module, which is designed for medical imaging applications.

The 160K CMOS image sensor (CIS) module incorporates OmniVision’s OV6946 CameraChip, POC’s Microprecision lens technology, and Fujikura’s flexible micro-coaxial cable technology and small packaging capability. The OV6946 is a compact (1/18”) 400 x 400 color CMOS image sensor that enables color imaging in such medical applications as endoscopes, as well as industrial applications. The 160K CIS module provides high quality images and video with a distal end diameter of only 1.60 mm.

"Working alongside two companies with such a rich history of producing exceptional medical imaging technology is truly a privilege," said Tehzeeb Gunja, senior marketing and business development manager at OmniVision. "We welcome this collaboration with POC and Fujikura to develop an ultra-small camera module with best image quality, low power consumption and ease of integration for reusable endoscopes and other medical applications. Each company involved in the 160K CIS should be proud of its contribution."

The modules are designed for medical applications with stringent bio-compatibility, sterilization, and electrical requirements, according to Shingo Ishii, medical business development division, group leader at Fujikura.

"The 160K CIS's small footprint and power efficiency are critical features for this application area, and the solution is further complemented by the exceptional image quality made possible by both OmniVision's OV6946 sensor and POC's Microprecision lens."

Able to achieve a frame rate of 30 fps, the CIS module features a pixel size of 1.75 µm, a diagonal field of view of 90°, and a depth of view of 3 to 50 mm. The module targets encephaloscopy, rhinoscopy, laryngoscopy, bronchoscopy, and colonscopy medical imaging applications.

Evaluation units of the module are currently available, and volume production is expected to begin in 2016. The 160K CIS module specification can be found here, and a video demonstrating the module can be found here.

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