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MEMS Gyroscopes

MEMS Gyroscopes

MEMS gyroscopes are very small, cheap gyroscopes that use a vibrating element to detect any change in their orientation.

MEMS Gyroscopes – [nanogloss.com]

Enabling a device to orient itself and respond to movement, MEMS gyroscopes have produced the next big technological splash: touch-triggered screens. This is what gives devices like the iPhone their interactive edge. Many manufacturers in the Silicon Valley have switched from conventional microchips to MEMS production, and gyroscopes are poised to be one of the best performers in years to come.

Microscopic gyroscopes, the key for motion sensing – [nanowerk.com]

Bonding mechanical to electronics

The MEMS are bonded to electronic systems-on-chips or ASICs (application-specific integrated circuits), powerful micro-components which run devices such as mobile phones and gaming consoles. Large numbers of ASICs are mass produced by being “etched” onto silicon wafers in sophisticated, ultra-clean wafer fabrication plants.

Project coordinator Norman Marenco explains the challenge: “To create a gyroscope effect for measuring motion in a vehicle or even a pedestrian, you have to provide a moving structure inside a very, very small device and this means combining the mechanical movement with some very sophisticated electronics.
“As the device will be embedded in a vehicle electronics system, or even eventually a mobile phone, it needs to be self-contained and continue operating for many years.”

World’s First High-Performance 3-Axis MEMS Gyroscope from STMicroelectronics Packs 360 Degrees of Freedom in a Single Package – [st.com]

Geneva, November 11,2009 – STMicroelectronics (NYSE: STM), the leading supplier of MEMS (Micro-Electro-Mechanical Systems) for consumer and portable applications, today introduced a high performance single-package analog gyroscope that accurately measures angular rates along three orthogonal axes. Combining superior accuracy with high stability and a small size, ST’s 3-axis gyroscope heralds the widespread adoption of realistic-motion user interfaces in all kinds of consumer applications.

The sensor provides 360° angular-rate detection for high-precision 3D gesture and motion recognition in mobile phones, game controllers, personal navigation systems and other portable devices. Combined with a 3-axis accelerometer, ST’s newest gyroscope enables the creation of Inertial Measurement Units, devices that track and deliver complete information on the type, rate, and direction of motion of humans, vehicles and other objects.

1817 – gyroscope

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