Abstract:A chip with which to manipulate microparticles using wireless power transfer and pulse-driven dielectrophoresis has been designed and fabricated using a 0.18-μm CMOS process. The chip enables microparticle manipulation under a 0.7-V power supply and a 13-MHz clock, which are generated on the chip by means of an on-chip coil, a rectifier, and a Schmitt trigger circuit.

Abstract:A chip with which to manipulate microparticles using wireless power transfer and pulse-driven dielectrophoresis has been designed and fabricated using a 0.18-μm CMOS process. The chip enables microparticle manipulation using a 0.35-V power supply and a 10∼100 kHz clock, which are generated on the chip by means of an onchip coil, a rectifier and a ring oscillator circuit with process variation compensation circuits. The proposed process variation compensation with effective gate-width tuning as well as body biasing can achieve stable 0.35-V operation, allowing a 87% reduction in the power consumption of digital circuits on the chip compared to previous work.

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