Electronic gain cell based charge sensor
AssigneeCornell Research Foundation, Inc.
InventorsGregory T. Baxter, Sandip Tiwari
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Abstract
A gated metal oxide semiconductor field effect transistor (MOSFET) gain cell is formed with a flow channel for molecule flow. The flow channel is formed under the gate, and between a source and drain of the transistor. The molecule flow modulates a gain of the transistor. Current flowing between the source and drain is representative of charges on the molecules flowing through the flow channel. A plurality of individually addressable gain cells are coupled between chambers containing samples to measure charges on molecules in the samples passing through the gain cells.
Claims9
A gain cell for detecting molecular charges, the cell comprising:
- a substrate;
- a drain and source formed on the substrate;
- a gate formed at least partially between the drain and source;
- and
- a flow channel formed proximate the gate.
Dependencies are inferred from the claim text.