# US 7,610,797 B2 · Carbon nanotube detection system

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- Number: US 7,610,797 B2
- Document ID: US7610797B2
- Status: Granted
- Kind: B2
- Application number: 11/985,701
- Filed: 2007-11-16
- Published: 2008-04-10
- Granted: 2009-11-03
- Earliest claimed: 1999-02-05
- Assignees: Xidex Corporation
- Inventors: Vladimir Mancevski
- Web page: https://patentgrep.com/patent/US7610797B2

## CPC

- G01Q 60/32: AC mode
- B82Y 10/00: Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
- B82Y 15/00: Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
- B82Y 35/00: Methods or apparatus for measurement or analysis of nanostructures
- G01Q 60/38: Probes, their manufacture, or their related instrumentation, e.g. holders
- G01Q 70/12: Nanotube tips
- Y10S 977/742: Carbon nanotubes, CNTs
- Y10S 977/842: for carbon nanotubes or fullerenes
- Y10S 977/876: Nanotube tip
- G01Q: SCANNING-PROBE TECHNIQUES OR APPARATUS; APPLICATIONS OF SCANNING-PROBE TECHNIQUES, e.g. SCANNING PROBE MICROSCOPY [SPM]
- B82Y: SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- Y10S: TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS

## Abstract

A carbon nanotube detection system is disclosed. The detection system is suitable to detect carbon nanotube vibrations. Types of detection systems include but are not limited to: magnetic coupling to a magnetic particle attached at the distal end of the nanotube oscillator, current readout from the nanotube oscillator that has been exposed to electromagnetic radiation or a stress, inductive pick-up coil and corresponding tank circuit, capacitive readout element positioned next to the nanotube oscillator having a charged particle attached at its distal end, an optical beam illumination and detection of its scattering, or combination of any of the above means of detection.

## Claims

### Claim 1

A device, comprising:
a support structure;
at least one carbon nanotube extending from the support structure; and
a detection system comprising an inductive pick-up coil and a tank circuit;
wherein the detection system is operable to detect vibrations from the at least one carbon nanotube.

### Claim 2 (depends on 1)

A device in accordance with claim 1, wherein the detection system is operable to detect at least one resonant frequency of the at least one carbon nanotube.

### Claim 3 (depends on 1)

A device in accordance with claim 1, wherein the inductive pick-up coil and the tank circuit are coupled to the at least one carbon nanotube with an electromagnetic radiation.

### Claim 4 (depends on 1)

A device in accordance with claim 1, wherein the inductive pick-up coil and the tank circuit are coupled to the at least one carbon nanotube with a magnetic field.

### Claim 5

A device, comprising:
a support structure;
at least one at least one nanotube extending from the support structure, wherein the nanotube has a free end opposite an attachment to the support structure;
a magnetic element coupled to the at least one nanotube near the free end of the at least one nanotube; and
a detection system comprising an inductive pick-up coil and a tank circuit;
wherein the detection system is operable to detect vibrations from the at least one nanotube.

### Claim 6 (depends on 5)

A device in accordance with claim 5, wherein the detection system is operable to detect at least one resonant frequency of the carbon nanotube.

### Claim 7 (depends on 5)

A device in accordance with claim 5, wherein the inductive pick-up coil and the tank circuit are coupled to the at least one nanotube with an electromagnetic radiation.

### Claim 8 (depends on 5)

A device in accordance with claim 5, wherein the inductive pick-up coil and the tank circuit are magnetically coupled to the magnetic element.

### Claim 9

A device, comprising:
a support structure; and
at least one nanotube grown directly onto and extending from the support structure; and
a detection system comprising an inductive pick-up coil and a tank circuit;
wherein the detection system is operable to detect vibrations from the at least one nanotube.