MEMS Drive CEO Interview

Elektor publishes an interview with MEMS Drive CEO Colin Kwan. Few interesting quotes:

"Currently, OIS technology is mainly implemented in high-end phones, which is less than 20% of the cellphone market. Yet OIS technology is gradually penetrating the middle and low-end cellphone markets as people have higher requirements for photo taking.

OIS actuator technology in mobile phones has been mainly dominated by a few voice coil motor (VCM) suppliers. However, none has been able to provide all round shake compensation. No matter it is VCM shifting lens or tilting lens, the roll axis is not able to be compensated through lens movement. MEMS Drive saw this as an opportunity and came out with a MEMS OIS actuator, the world’s first five-axis (i.e., pitch, yaw, roll, x/y translation) optical image stabilization in mobile phones.

MEMS OIS is a MEMS actuator that sits underneath the image sensor. By moving the image sensor in the x/y plane in a very fast and precise way, MEMS OIS counteracts undesired vibrations that cause image blur while taking a photo. It makes fundamental changes on a camera module’s mechanical systems and breaks through the limitations of conventional VCM OIS, which works through lens movement. MEMS OIS has sub-micron accuracy and in-position compensation within 10 ms. It is ultra-low power (e.g., 50-plus times lower than traditional VCM OIS), which is extremely beneficial for mobile phones and other portable devices. MEMS OIS also has competitive advantages when applied in dual/triple cameras since it causes no magnetic interference."

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