Nanotube position controlling method, nanotube position controlling flow path pattern and electronic element using nanotube

A nanotube position controlling flow path pattern which is removably placeable on a substrate having a plurality of facing electrodes, and means for applying a voltage between the plurality of the facing electrodes, wherein leading end portions of the plurality of facing electrodes are tapered off to a point, wherein the substrate also has a plurality of integrated electrodes, wherein a plurality of thin wires fuses are connected between the plurality of the facing electrodes and the integrated electrodes, wherein the plurality of thin wires fuses are provided so as to have a one-to-one correspondence relation with the plurality of the facing electrodes, and wherein a width of the plurality of thin wires fuses and a width of the plurality of integrated electrodes are different, the flow path pattern having:

• a plurality of flow paths along a facing direction of the plurality of the facing electrodes,
• wherein the plurality of flow paths are formed in parallel to each other at a constant interval, and
• wherein the interval between adjacent ones of the plurality of flow paths and an interval between adjacent ones of the plurality of the facing electrodes is correlated so as to form a tunnel-like path between at least one of the plurality of the facing electrodes and one of the plurality of flow paths, and
• liquid pools which are provided at ends of the flow path pattern for accommodating a nanotube dispersed solvent, wherein the liquid pools are in communication with the plurality of flow paths for allowing introduction of a plurality of nanotubes in the plurality of flow paths, and wherein the flow path pattern is made of a filmy material.

An electronic element comprising:

• a substrate,
• a plurality of facing electrodes mounted on the substrate, wherein leading end portions of the plurality of facing electrodes are tapered off to a point,
• a plurality of integrated electrodes mounted on the substrate,
• a plurality of thin wires fuses which are connected between the plurality of the facing electrodes and the integrated electrodes, wherein the plurality of thin wires fuses are provided so as to have a one-to-one correspondence relation with the plurality of the facing electrodes, and wherein a width of the plurality of thin wires fuses and a width of the plurality of integrated electrodes are different,
• means for applying a voltage between the plurality of the facing electrodes, and
• a plurality of nanotubes respectively suspended between the plurality of the facing electrodes without intersection with each other,
• wherein the plurality of the nanotubes are dispersed in a solvent and are guided into a plurality of flow paths of a flow path pattern which is removably placed on the plurality of the facing electrodes so as to flow nanotubes from a first one of the plurality of the facing electrodes to a second one of the plurality of the facing electrodes.