Smaller gyroscopes can now be automatically processed

14 July 2004 Passive Components Access Control & Identity Management Products & Solutions

Murata's miniature ceramic gyroscopes introduced the concept of the ceramic bimorph vibrator, comprising ceramic elements that detect the Coriolis force generated by angular velocity. Since then, it has been refined and developed, getting more sensitive, smaller and more accurate.

The structure has changed to facilitate processing and size reduction. Now, a new rectangular structure reduced the size by something over 75% compared with earlier designs. Today, with a footprint of 12,2 by 7,0 mm, the new ENC-03M is small enough to be automatically processed, cutting processing costs and increasing component density.

There is no performance loss in this size change, says the company, but volume is down by 60% compared with the previous model. It still offers quick response, wide dynamic range, low drive voltage and low current consumption (5,0 mA max). Linearity is ±5% of full scale.

It is already used for the detection of camera-shake; Murata says future uses will include robotics, head-mounted displays and pointing devices to name but a few.

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