Patent application number | Description | Published |
20080224711 | IONIZATION VACUUM GAUGE - An ionization vacuum gauge includes a cathode electrode, a gate electrode, and an ion collector. The gate electrode is disposed adjacent to the cathode electrode with a distance therebetween. The ion collector is disposed adjacent to the gate electrode also with a distance therebetween. The cathode electrode includes a base and a field emission film disposed thereon facing the ion collector. | 09-18-2008 |
20080241507 | CONDUCTIVE TAPE AND METHOD FOR MAKING THE SAME - A conductive tape includes an adhesive layer and a base. The adhesive layer is formed on a surface of the base. The adhesive layer contains carbon nanoscale materials. A method for making the conductive tape includes the steps of: fabricating a carbon nanoscale material conductive solution and an adhesive agent; coating a mixture of the carbon nanoscale material conductive solution and the adhesive agent on the base; and drying the mixture on the base so as to form the conductive tape. | 10-02-2008 |
20080245548 | CONDUCTIVE TAPE AND METHOD FOR MAKING THE SAME - The present invention relates to a conductive tape. The conductive tape includes a base, an adhesive layer, and a carbon nanotube layer. The adhesive layer is configured for being sandwiched between the base and the carbon nanotube layer. And a method for making the conductive tape includes the steps of: fabricating at least one carbon nanotube film and an adhesive agent; coating the adhesive agent on a base and drying the adhesive agent on the base so as to form an adhesive layer; and forming a carbon nanotube layer on the adhesive layer and compressing the carbon nanotube layer so as to sandwich the adhesive layer between the carbon nanotube layer and the base. | 10-09-2008 |
20080277592 | COLD-CATHODE-BASED ION SOURCE ELEMENT - An ion source element includes a cold cathode, a grid electrode, and an ion accelerator. The cold cathode, the grid electrode, and the ion accelerator are arranged in that order and are electrically separated from one another. A space between the cold cathode and the grid electrode is essentially smaller than a mean free path of electrons at an operating pressure. The ion source element is thus stable and suitable for various applications. | 11-13-2008 |
20080308295 | CONDUCTIVE TAPE AND METHOD FOR MAKING THE SAME - The present invention relates to a conductive tape. The conductive tape includes a adhesive layer and a plurality of carbon nanotubes. The adhesive layer has a first surface and an opposite second surface. The carbon nanotubes are substantially embedded in parallel in the adhesive layer and perpendicular to the first surface and the second surface. Each of the carbon nanotubes has two opposite ends extending out of the two opposite surfaces of the adhesive layer respectively. Further, a method for making the above-described conductive tape is also included. | 12-18-2008 |
20090001867 | PIXEL TUBE FOR FIELD-EMISSION DISPLAY DEVICE - A pixel tube for a field-emission illumination/display device includes a sealed container, an anode electrode, a cathode electrode and a shielding electrode. The sealed container has a light permeable portion. The anode electrode is disposed in the sealed container and adjacent to the light permeable portion. The cathode electrode is arranged in the sealed container facing the anode electrode and includes a cathode supporter and a carbon nanotube yarn, the carbon nanotube yarn attached to the cathode supporter and extending toward the anode electrode for emitting electrons therefrom. The shielding electrode is disposed on a surface of the sealed container and surrounds/encircles the carbon nanotube yarn. | 01-01-2009 |
20090268558 | Thermoacoustic device - 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. | 10-29-2009 |
20090268559 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes of one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The one or more carbon nanotube films produces sound by means of the thermoacoustic effect. | 10-29-2009 |
20090268560 | Thermoacoustic device - A sound wave generator includes a carbon nanotube film. The carbon nanotube film comprises a plurality of carbon nanotubes entangled with each other. At least part of the carbon nanotube film is supported by a supporting element. The carbon nanotube film produces sound by means of the thermoacoustic effect. | 10-29-2009 |
20090268561 | Thermoacoustic device - An apparatus includes a signal device, a power amplifier, and a sound wave generator. The power amplifier is electrically connected to the signal device. The power amplifier outputs an amplified electrical signal to the sound wave generator. The sound wave generator produces sound waves by a thermoacoustic effect. The amplified electrical signal is positive or negative. | 10-29-2009 |
20090268562 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more drawn carbon nanotube films. The one or more drawn carbon nanotube films produce sound by means of the thermoacoustic effect. | 10-29-2009 |
20090268563 | Acoustic System - An acoustic system includes a sound-electro converting device, a electro-wave converting device, and a sound wave generator. The electro-wave converting device is connected to the sound-electro converting device. The sound wave generator is spaced from the electro-wave converting device and includes a carbon nanotube structure. The sound-electro converting device converts a sound pressure to an electrical signal and transmits the electrical signal to the electro-wave converting device. The electro-wave converting device emits an electromagnetic signal corresponding to the electrical signal and transmits the electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat, and the heat transfers to a medium causing a thermoacoustic effect. | 10-29-2009 |
20090274008 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube film. The carbon nanotube film includes a plurality of carbon nanotubes joined end to end by van der Waals attractive force therebetween. At least part of the one or more carbon nanotube film is supported by a supporting element. The one or more carbon nanotube film produces sound by means of the thermoacoustic effect. | 11-05-2009 |
20090274009 | Thermoacoustic device - A sound wave generator includes a carbon nanotube structure. At least part of the carbon nanotube structure is supported by a supporting element. The sound wave generator produces sound by means of the thermoacoustic effect. | 11-05-2009 |
20090279390 | Thermoacoustic device - An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes entangled with each other. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect. | 11-12-2009 |
20090296528 | Thermoacoustic device - An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect. | 12-03-2009 |
20090323475 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect. | 12-31-2009 |
20090323476 | Thermoacoustic device - A sound wave generator includes one or more carbon nanotube films. The carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force therebetween. At least part of the sound wave generator is supported by a supporting element. The one or more carbon nanotube films produce sound by means of the thermoacoustic effect. | 12-31-2009 |
20100054503 | Ultrasonic thermoacoustic device - 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. | 03-04-2010 |
20100054504 | Thermoacoustic device - A thermoacoustic device. The thermoacoustic includes a carbon nanotube structure. The carbon nanotube structure is at least partly in contact with a liquid medium. The thermoacoustic device is capable of causing a thermoacoustic effect in the liquid medium. | 03-04-2010 |
20100098272 | Thermoacoustic device - An apparatus includes an electromagnetic signal device, a medium, and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more drawn carbon nanotube films. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium and causes a thermoacoustic effect. | 04-22-2010 |
20100098273 | Thermoacoustic device - An apparatus, the apparatus includes an electromagnetic signal device; a medium; and a sound wave generator. The sound wave generator includes a carbon nanotube structure. The carbon nanotube structure includes one or more carbon nanotube films. Each carbon nanotube film includes a plurality of carbon nanotubes substantially parallel to each other and joined side by side via van der Waals attractive force. The electromagnetic signal device transmits an electromagnetic signal to the carbon nanotube structure. The carbon nanotube structure converts the electromagnetic signal into heat. The heat transfers to the medium causing a thermoacoustic effect. | 04-22-2010 |
20100221536 | Carbon nanotube composite material and method for making the same - A method for manufacturing a carbon nanotube includes following steps. A carbon nanotube structure comprising of a plurality of carbon nanotubes is provided. Metal is applied to outer surfaces of the carbon nanotubes. The carbon nanotube structure is heated in vacuum to a first temperature and a second temperature greater than the first temperature. At the first temperature, there is a reaction between the carbon nanotubes and the metal layer to form metal carbide particles. At the second temperature, the carbon nanotube structure breaks having at least one tip portion. | 09-02-2010 |
20100237874 | IONIZATION VACUUM GAUGE - An ionization vacuum gauge includes a cathode electrode, a gate electrode, and an ion collector. The cathode electrode includes a base and a field emission film disposed thereon. The gate electrode is disposed adjacent to the cathode electrode with a distance therebetween. The ion collector is disposed adjacent to the gate electrode with a distance therebetween. The field emission film of the cathode electrode includes carbon nanotubes, a low-melting-point glass, and conductive particles. | 09-23-2010 |
20100283375 | Ozone generator - An ozone generator includes a plurality of needles having a carbon nanotube linear structure. The carbon nanotube linear structure includes at least one carbon nanotube at a free end thereof. The at least one carbon nanotube acts as a discharge end of each needle. | 11-11-2010 |
20100284122 | Electronic ignition device - An electronic ignition device includes a discharge electrode. The discharge electrode includes a carbon nanotube linear structure. The carbon nanotube linear structure includes at least one carbon nanotube at a free end thereof. | 11-11-2010 |
20110056433 | Device for forming diamond film - A device for forming diamond films includes a reactor chamber, a supporter, a vacuum pump, at least one hot filament, a first electrode and a second electrode. The supporter, the vacuum pump, the at least on hot filament, and the first and second electrodes are received in the reactor chamber. The reactor chamber includes an inlet and an outlet. The vacuum pump is connected with the rector chamber via the inlet. The hot filament includes at least one carbon nanotube wire. The carbon nanotube wire includes a plurality of carbon nanotubes. | 03-10-2011 |