iSuppli: Silicon Magnetic Sensors Head for Big Time

Contributed by Richard Dixon, Senior Analyst MEMS, iSuppli Introduction Back in February 2009 the iSuppli MEMS and sensor team reported on trends in the automotive magnetic sensor market, and has since completed a comprehensive report on the whole market for silicon magnetic sensor elements and ICs – predominantly Hall, asymmetric magnetoresistive (AMR) and giant magnetoresistive [...]

Chipworks Looks Inside the Freescale HARMEMS Process

By St.J. Dixon-Warren, Manager, Process Engineering, Chipworks The Freescale MMA6222AEG Accelerometer is targeted for automotive applications and is implemented in a relatively large 13.0 mm x 7.6 mm x 3.3 mm thick 20-LEAD SOIC package. The MMA6222AEG is fabricated with Freescale’s HARMEMS process using a thick SOI layer to form the mechanical layer of the [...]