| Patent application number | Description | Published |
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| 20100156387 | TEMPERATURE INDEPENDENT TYPE REFERENCE CURRENT GENERATING DEVICE - A temperature independent type reference current generating device and methods thereof. A temperature independent type reference current generating device may include a first reference current generator generating a first reference current having a first element decreasing according to a temperature, a second reference current generator generating a second reference current having a second element increasing according to the temperature, and/or mirroring and outputting a second reference current and/or a mirrored second reference current. A temperature independent type reference current generating device may include a first current mirror mirroring a first reference current and/or outputting a mirrored first reference current, and a second current mirror adding a mirrored first reference current and a mirrored second reference current, and/or mirroring a result of an addition to output a mirrored result as an output reference current. | 06-24-2010 |
| 20100164593 | FAST DIFFERENTIAL LEVEL SHIFTER AND BOOT STRAP DRIVER INCLUDING THE SAME - A boot strap driver including a fast differential level shifter are disclosed. The fast differential level shifter may include a first differential amplifier differentially amplifying a pulse width modulation signal and an inverted pulse width modulation signal and outputting a first differential amplification voltage and a second differential amplification voltage based on the amplified result. The fast differential level shifter may also include a second differential amplifier differentially amplifying the first differential amplification voltage and the second differential amplification voltage, and shifting the differential amplification voltages to voltages having an output range between a first voltage and a second voltage based on the amplified result. | 07-01-2010 |
| 20110068756 | BAND-GAP REFERENCE VOLTAGE GENERATION CIRCUIT - A band-gap reference voltage generation circuit and methods thereof. A band-gap reference voltage generation circuit may include a current generator configured to generate a first current and/or a second current. A band-gap reference voltage generation circuit may include a current controller including a first resistor, through which a first current may flow, a first bipolar transistor connected with a first resistor at an emitter of a first bipolar transistor and/or connected with a node at a base of a first bipolar transistor, and/or a second bipolar transistor connected with a node at a base of a second bipolar transistor. A band-gap reference voltage generation circuit may include a current controller to generate a proportional to absolute temperature current, a feedback unit to control first and second currents to be substantially equal, and a band-gap voltage output unit to generate a reference voltage in response to a PTAT current. | 03-24-2011 |
| Patent application number | Description | Published |
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| 20090155800 | BIOSENSOR HAVING NANO WIRE AND MANUFACTURING METHOD THEREOF - There is provided a biosensor capable of increasing a detecting sensitivity of a target substance by using a nano wire having excellent electrical characteristics and by immobilizing a receptor of the target substance to be detected on a substrate which is disposed between a nano wire and another nano wire and a method for manufacturing the same. A biosensor according to the present invention can be manufactured with an arrangement in which the nano wire is selectively arranged on a solid substrate in a matrix and, therefore, many materials can be detected at the same time. Particularly, since the degradation of electrical characteristics of the nano wire can be prevented in the present invention, a target substance is very sensitively detected through a small amount thereof. | 06-18-2009 |
| 20090155816 | BIOSENSOR HAVING NANO WIRE FOR DETECTING FOOD ADDITIVE MONO SODIUM GLUTAMATE AND MANUFACTURING METHOD THEREOF - There is provided a biosensor capable of increasing a detecting sensitivity of a target substance of glutamate, by using a nano wire having excellent electrical characteristics and by immobilizing a receptor of glutamate to be detected on a substrate which is disposed between a nano wire and another nano wire and a method for manufacturing the same. The biosensor for detecting glutamate according to the present invention can be manufactured with an arrangement in which the nano wire is selectively arranged on a solid substrate in a matrix. Since this biosensor can prevent the degradation of the nano wire in the electrical characteristic, it can sensitively detect glutamate even through a small amount thereof is contained in a food so that it can be effectively used in detecting the food additive existing in the processed foodstuffs. | 06-18-2009 |
| 20100032197 | CIRCUIT BOARD INCLUDING ALIGNED NANOSTRUCTURES - A method for fabricating a circuit board includes providing a first substrate, forming a circuit on the first substrate, the circuit having a first electrode, a second electrode and at least one nanostructure, and transferring the circuit from the first substrate to a surface of a second substrate made of a polymer. | 02-11-2010 |
| 20100051320 | CIRCUIT BOARD INCLUDING ALIGNED NANOSTRUCTURES - A circuit board includes a substrate, a polar molecular layer pattern and a nonpolar molecular layer pattern, which are disposed on the substrate, a first electrode and a second electrode, which are disposed on the substrate, and one or more channels disposed on the polar molecular layer pattern and including linear nanostructures. The one or more channels facilitate to electrically couple the first electrode to the second electrode. | 03-04-2010 |
| 20100119710 | Patterning apparatus and method using dip-pen nanolithography - An apparatus and a method according to example embodiments is capable of patterning ink on a substrate by using dip-pen nanolithography regardless of the interaction between the ink and the substrate. The patterning apparatus may includes a heat supply control device. The heat supply control device may supply heat so as to liquefy the ink and facilitate the patterning of the ink on the substrate. The melting point of the ink may be set within the predetermined temperature controlled by the heat supply control device. | 05-13-2010 |
| 20100270265 | METHOD FOR ADSORPTION OF NANO-STRUCTURE AND ADSORPTION MATTER USING SOLID THIN FILM MASK - A method of adsorbing a nano-structure and an adsorption material using a solid thin film mask, including; depositing the mask over the entire surface of a tip of a probe microscope, grinding the end of the tip having the mask against a solid, thus removing the mask from the end of the tip, depositing a linker molecule layer over the entire surface of the tip the end of which has no mask, immersing the tip having the deposited linker molecule layer in a nano-structure solution, thus adsorbing the nano-structure on the linker molecule, and removing the mask from the tip. The mask is used to prevent deformation of the tip, and the nano-structure and the adsorption material can be deposited only on the end of the tip, regardless of the properties of the nano-structure and the adsorption material and regardless of the surface material of the tip and the properties thereof. | 10-28-2010 |
| 20110059544 | OLFACTORY RECEPTOR-FUNCTIONALIZED TRANSISTORS FOR HIGHLY SELECTIVE BIOELECTRONIC NOSE AND BIOSENSOR USING THE SAME - In accordance with an aspect of the present invention, there is provided a transistor including: a substrate; a source electrode and a drain electrode formed being spaced apart from each other on the substrate; a nanostructure electrically contacted with and formed between the source electrode and the drain electrode; and a lipid membrane having an olfactory receptor protein which is formed to cover surfaces of the source electrode, the drain electrode, and the nanostructure. The olfactory receptor-functionalized transistor in accordance with an aspect of the present invention is useful for a bioelectronic nose which can detect odorants highly specifically with femtomolar sensitivity, and may be applied in various fields requiring the rapid detection of specific odorants, for example, anti-bioterrorism, disease diagnostics, and food safety. | 03-10-2011 |
| 20110147714 | FIELD-EFFECT TRANSISTOR AND SENSOR BASED ON THE SAME - A field-effect transistor has at least one electrode disposed independently of source and drain electrodes and in direct contact with the surface of a semiconductor channel to form a schottky barrier, so that it is possible to easily control the schottky barrier. | 06-23-2011 |
