Startup shows 'dielectric-as-sensor' technique for ICs

ChipSensors was founded in 2006, as a spin-out from a design consultancy called Cratlon Ltd., that specializes in wireless sensors. Initially self-funded, with matching grants and equity from various government agencies, the company has subsequently attracted venture capital and is currently engaged in negotiations with potential customers, partners and investors.

First sensor prototypes were developed on 0.18-micron and 0.13-micron foundry processes at Cratlon. ChipSensors did not disclose which foundry or foundries have made its prototypes.

"By 'piggy-backing' on mainstream semiconductor technology developments in this manner, we are 'putting sensors on Moore's Law', opening the door to true low-cost and high volume scalability for wireless sensors," said Tim Cummins, CEO of Chipsensors, in a statement.

The technology is being demonstrated at the RFID Europe 2007 exhibition in Cambridge.

The company has six single-chip wireless sensors in various stages of development, which, depending on type, will offer a combination of temperature, humidity and light measurement modes, with and without microcontroller and RF interfaces. ChipSensor’s second-generation chips will add room-temperature gas sensing and detection of certain light gases and alcohol vapors, and slightly further down the development path, third-generation chips will include pathogen sensors, the company said.

Alcohol sensors for use inside automobiles would be one potential application.

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