摘要:
A device for making a carbon nanotube film includes a substrate having a surface, and two substantially parallel slits defined on the surface of the substrate. The two substantially parallel slits extend into the substrate from the surface of the substrate. A growing surface is defined by the two substantially parallel slits and located between the two substantially parallel slits.
摘要:
A method of making a transparent conductive film includes the steps of: providing a carbon nanotube array. At least one carbon nanotube film extracted from the carbon nanotube array. The carbon nanotube films are stacked on the substrate to form a carbon nanotube film structure. The carbon nanotube film structure is irradiated by a laser beam along a predetermined path to obtain a predetermined pattern. The predetermined pattern is separated from the other portion of the carbon nanotube film, thereby forming the transparent conductive film from the predetermined pattern of the carbon nanotube film.
摘要:
A carbon nanotube film includes a plurality of first carbon nanotubes and a plurality of second carbon nanotubes. The first carbon nanotubes are orientated primarily along a same direction. The second carbon nanotubes have different orientations from that of the plurality of first carbon nanotubes. Each of at least one portion of the second carbon nanotubes contacts with at least two adjacent first carbon nanotubes.
摘要:
An ultrasonic acoustic device includes a carbon nanotube structure. The carbon nanotube structure is capable of causing a thermoacoustic effect and generating ultrasonic sound wave in liquid medium.
摘要:
This disclosure is directed to apparatuses, systems, and methods associated with a heat-dissipating card connector for use with a card reader connected to an electronic device. The connector has a body configured to receive a card that has circuitry, when the card is inserted into the card reader. The connector body includes a plurality of electronic contacts that engage the card circuitry and operationally link the card to the electronic device. The connector body includes at least one heat conductive spring that includes a card engaging portion. The card engaging portion contacts the card and directs heat from the card when the card is inserted in the card reader. A heat directing element, also part of the heat conductive spring, transfers heat from the card engaging portion to a heat-dissipating structure of the electronic device when the card is inserted in the card reader.
摘要:
Disclosed is a user terminal for wireless communication with a remote access point, the user terminal comprising: a mapping module adapted to map one or more input data bits to an uplink symbol; a delay module adapted to apply a delay to the uplink symbol; a transmit module adapted to modulate the delayed symbol into a frequency channel; and a directional antenna oriented along a dominant path to the access point, the antenna being adapted to transmit the modulated symbol to the access point, wherein the delay is chosen such that the transmitted symbol arrives at the access point simultaneously with a further symbol modulated into the frequency channel and transmitted by a further user terminal.
摘要:
A sound wave generator includes one or more carbon nanotube wire structures. The one or more carbon nanotube wire structures produce sound by means of the thermoacoustic effect.
摘要:
A field emission electron source having carbon nanotubes includes a CNT string and a conductive base. The CNT string has an end portion and a broken end portion, the end portion is contacted with and electrically connected to the surface of the conductive base. The CNTs at the broken end portion form a tooth-shape structure, wherein some CNTs protruding and higher than the adjacent CNTs. Each protruding CNT functions as an electron emitter. Further, a method for manufacturing a field emission electron source is provided. The field emission efficiency of the field emission electron source is high.
摘要:
A method for growing an array of carbon nanotubes includes the steps of: (a) providing a substrate having a first surface and a second surface opposite to the first surface; (b) forming a catalyst film on the first surface of the substrate; (c) flowing a mixture of a carrier gas and a carbon source gas over the catalyst film; (d) providing a semiconductor laser system to generate a focused laser beam; and (e) irradiating the focused laser beam on the substrate to grow an array of carbon nanotubes on the substrate.
摘要:
A carbon nanotube film includes a plurality of carbon nanotube strings and one or more carbon nanotubes. The plurality of carbon nanotube strings are separately arranged and located side by side. Distances between adjacent carbon nanotube strings are changed when a force is applied. One or more carbon nanotubes are located between adjacent carbon nanotube strings.