A Fully Electric DNA Detection using CMOS integrated CNT network Sensor

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A fully CMOS integrated carbon nanotube (CNT) sensor platform that consists of 32X32 array of unitary CNT elements for electric bio material detection is presented. For digital conversion of the analog voltage of CNT sensor elements, a correlated double sampling (CDS) type Successive Approximation Register (SAR) analog/digital converter has been used. Proper operation of the chip is demonstrated by sensing the DNA hybridization event in the transient state, even though the chip can be applied to general molecular detection. The chip is fabricated on the basis of a 0.18μm CMOS process.

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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2012: Advanced Materials, CNTs, Particles, Films and Composites (Volume 1)
Published: June 18, 2012
Pages: 326 - 329
Industry sector: Advanced Materials & Manufacturing
Topics: Carbon Nano Structures & Devices
ISBN: 978-1-4665-6274-5