Did You Know...
...Chester Carlson was a patent agent who tired of having to make multiple copies of patent applications using the only duplication method available at the time: carbon paper. In 1959 he came up with a new copying system and took it to IBM for evaluation. The "experts" at IBM determined potential sales to be only 5,000 units because people wouldn't want to use a bulky machine when they had carbon paper. Carlson's invention was the xerography process, the company founded on the system is Xerox.
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| Number | Title | Issue Date |
| 7528695 | Method to manipulate selectivity of a metal oxide sensor A method of selectively enhancing the sensitivity of a metal oxide sensor includes fabricating a ZnO sensor having a ZnO sensor element therein; and exposing the ZnO sensor element to a plasma stream. ... | 05/05/2009 |
| 7471185 | Aligned particle based sensor elements The present invention relates to a sensor array for detecting an analyte in a fluid, comprising first and second sensors formed by chemically sensitive resitors, wherein the first sensor comprises a region of aligned conductive material; or where each of the sensors... | 12/30/2008 |
| 7356986 | Exhaust gas purification device An exhaust gas purification device (6) comprises: first and second catalyst carriers (21, 22) interposed in an exhaust passage (8) of an engine (1), which purify an exhaust gas; a case (20) provided in the exhaust passage, which ho... | 04/15/2008 |
| 7356420 | Analyzing system for the detection of reducing and oxidizing gases in a carrier gas with a metal-oxide-semiconductor sensor arrangement Analyzing system for the detection of reducing and oxidizing gases in a carrier gas, wherein the detection means are sensors based on semiconductor-type metal oxides that work in the absence of oxygen. The system includes means for connecting to a chamber which cont... | 04/08/2008 |
| 7342479 | Sensor device utilizing carbon nanotubes Chemical sensors for detecting analytes in a fluid is disclosed. The chemical sensors include chemically sensitive resistors that utilize carbon nanotubes as a chemically sensitive element. The disclosed sensors additionally utilize polymers which selectively alter ... | 03/11/2008 |
| 7334484 | Line pressure measurement using differential pressure sensor A pressure sensor assembly for sensing a pressure of a process fluid includes a sensor body having a cavity formed therein to couple to a process fluid pressure. A deflectable diaphragm in the cavity deflects in response to the first and second process fluid pressur... | 02/26/2008 |
| 7312095 | Modification of selectivity for sensing for nanostructure sensing device arrays An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostruct... | 12/25/2007 |
| 7308830 | Pressure sensor fault detection A diagnostic system for a pressure sensor having a cavity configured to receive on applied pressure is provided. The cavity has a first and a second wall. A deflectable diaphragm is positioned in the cavity and configured to form a first and a second capacitance wit... | 12/18/2007 |
| 7285472 | Low tolerance polysilicon resistor for low temperature silicide processing Various methods of fabricating a high precision, silicon-containing resistor in which the resistor is formed as a discrete device integrated in complementary metal oxide semiconductor (CMOS) processing utilizing low temperature silicidation are provided. In some emb... | 10/23/2007 |
| 7279732 | Enhanced atomic layer deposition A method of enhanced atomic layer deposition is described. In an embodiment, the enhancement is the use of plasma. Plasma begins prior to flowing a second precursor into the chamber. The second precursor reacts with a prior precursor to deposit a layer on the substr... | 10/09/2007 |
| 7277019 | Universal colorimetric imaging array device An apparatus (10) is provided for detecting an atmospheric component. The apparatus, capable of being inserted into an electronic device (30) having an imager (36) and a processor, comprises a substrate; one or more calorimetric reagents (14 | 10/02/2007 |
| 7268662 | Passive SAW-based hydrogen sensor and system A hydrogen detecting system is characterized by a passive surface acoustic wave (SAW) sensor. The sensor includes a piezoelectric substrate having a self assembled monolayer arranged on at least a portion of the substrate to create a hydrophobic surface. A palladium... | 09/11/2007 |
| 7264778 | Carbon monoxide sensor and method of use thereof Carbon monoxide sensors suitable for use in hydrogen feed streams and methods of use thereof are disclosed. The sensors are palladium metal/insulator/semiconductor (Pd-MIS) sensors which may possess a gate metal layer having uniform, Type 1, or non-uniform, Type 2, ... | 09/04/2007 |
| 7262693 | Process field device with radio frequency communication A field device for use in an industrial process control or monitoring system includes terminals configured to connect to a two-wire process control loop. The loop carries data and provides power to the field device. RF circuitry in the field device is provided for r... | 08/28/2007 |
| 7254984 | Sensor A sensor for measuring a physical property of a measuring gas, in particular the oxygen concentration or the temperature in the exhaust gas of an internal combustion engine in a motor vehicle, has a housing, a measuring element whose end section protrudes from the h... | 08/14/2007 |
| 7249507 | Fluid level sensor probe A fluid level sensor probe is provided. The fluid level sensor probe includes a housing, a first and second electrode, and an electric circuit. The first electrode is located on a first surface of the housing. A second surface of the housing is located adjacent the ... | 07/31/2007 |
| 7241131 | Thick film heater apparatus A thick-film electric heater having thick-film layers applied directly on a thermally conductive non-flat substrate. Preferably, the substrate is cylindrically shaped. A dielectric layer is silk-screened on the substrate surface. A resistive layer is silk-screened o... | 07/10/2007 |
| 7234341 | Gas sensor and method of manufacturing the gas sensor An object is to provide a gas sensor which can suppress positional shift of a to-be-held member such as a gas detection element, as well as a method of manufacturing the gas sensor. A gas sensor (101) includes a gas detection element (111), a metallic ... | 06/26/2007 |
| 7235854 | Lanthanide doped TiOdielectric films A dielectric film containing lanthamide doped TiOx and a method of fabricating such a dielectric film produce a reliable gate dielectric having an equivalent oxide thickness thinner than attainable using SiO2. A dielectric film is formed by ion... | 06/26/2007 |
| 7236083 | Resistance type oxygen sensor and oxygen sensor device using it and air/fuel ratio control system The present invention provides a resistance-type oxygen sensor, and an oxygen sensor device and an air/fuel ratio control system using same. The present invention relates to a resistance-type oxygen sensor with suppressed temperature dependence, wherein: (1) a gas d... | 06/26/2007 |
| 7233034 | Hydrogen permeable protective coating for a catalytic surface A protective coating for a surface comprising a layer permeable to hydrogen, said coating being deposited on a catalyst layer; wherein the catalytic activity of the catalyst layer is preserved. ... | 06/19/2007 |
| 7211222 | Gas sensor A powder filler is stuffed in a filler space defined between a housing and a gas sensing element so as to airtightly seal a clearance between the housing and the gas sensing element. The powder filler contains grains whose diameter is in a range from 80 μm to 5,000... | 05/01/2007 |
| 7210333 | Humidity sensor and method of using the humidity sensor A humidity-sensitive porous layer (13) of a humidity-sensitive element section (3) of a humidity sensor (1) is formed of a crystalline phase oxide grains such as Al2O3—SnO2—TiO2 and of a glass phas... | 05/01/2007 |
| 7208804 | Crystalline or amorphous medium-K gate oxides, Y0and Gd0 A gate oxide and method of fabricating a gate oxide that produces a more reliable and thinner equivalent oxide thickness than conventional SiO2 gate oxides are provided. Also shown is a gate oxide with a conduction band offset of 2 eV or greater. Gate oxi... | 04/24/2007 |
| 7205218 | Method including forming gate dielectrics having multiple lanthanide oxide layers A dielectric film having a layer of a lanthanide oxide and a layer of another lanthanide oxide, and a method of fabricating such a dielectric film produce a reliable gate dielectric with a equivalent oxide thickness thinner than attainable using SiO2. A g... | 04/17/2007 |
| 7205620 | Highly reliable amorphous high-k gate dielectric ZrON A gate dielectric and method of fabricating a gate dielectric that produces a more reliable and thinner equivalent oxide thickness than conventional SiO2 gate oxides are provided. Gate dielectrics formed from metals such as zirconium are thermodynamically... | 04/17/2007 |
| 7199023 | Atomic layer deposited HfSiON dielectric films wherein each precursor is independendently pulsed A dielectric film containing atomic layer deposited HfSiON and a method of fabricating such a dielectric film produce a reliable dielectric layer having an equivalent oxide thickness thinner than attainable using SiO2. The HfSiON layer thickness is contro... | 04/03/2007 |
| 7193893 | Write once read only memory employing floating gates Structures and methods for write once read only memory employing floating gates are provided. The write once read only memory cell includes a floating gate transistor formed in a modified dynamic random access memory (DRAM) fabrication process. The floating gate tra... | 03/20/2007 |
| 7190250 | Encapsulation with oxide bond to borosilicate mixture Environmental sensors and other bodies, together with associated lead wires, are mounted to a oxidizable substrate for high temperature applications by means of a reacted borosilicate mixture (RBM) that secures the body relative to the substrate via of an oxide inte... | 03/13/2007 |
| 7189367 | Reactor and process for production thereof In order to be capable of a chemical reaction, analysis or the like wherein a small amount of samples is used, a reactor comprises a flat plate-like first substrate the inside of which is provided with a heating means; and a flat plate-like second substrate, which i... | 03/13/2007 |
| 7189360 | Circular chemiresistors for microchemical sensors A circular chemiresistor for use in microchemical sensors. A pair of electrodes is fabricated on an electrically insulating substrate. The pattern of electrodes is arranged in a circle-filling geometry, such as a concentric, dual-track spiral design, or a circular i... | 03/13/2007 |
| 7186381 | Hydrogen gas sensor A hydrogen gas sensor and/or switch fabricated from arrays nanowires composed of metal or metal alloys that have stable metal hydride phases. The sensor and/or switch response times make it quite suitable for measuring the concentration of hydrogen in a flowing gas ... | 03/06/2007 |
| 7186356 | Analytical device A sensor for chemical species or biological species or radiation presenting to test fluid a polymer composition comprises polymer and conductive filler metal, alloy or reduced metal oxide and having a first level of electrical conductance when quiescent and being co... | 03/06/2007 |
| 7174768 | Hydrogen sensor, apparatus for measuring hydrogen concentration, and method for measuring hydrogen concentration A hydrogen sensor includes a hydrogen-absorbing material, a thermoelectric element, an electrical circuit for driving the thermoelectric element, a thermometer for the hydrogen-absorbing material, a temperature control circuit for maintaining the hydrogen-absorbing ... | 02/13/2007 |
| 7168295 | Gas sensor A gas sensor has a sensor element inserted in a cylindrical housing. A measured gas cover, provided at a distal end side of the housing, forms a measured gas environment at a distal end side of the sensor element. An atmospheric air cover, provided at a proximal end... | 01/30/2007 |
| 7157134 | Layered structure, sensor and method of producing and use of the same The invention concerns a layered structure comprising at least two material layers. The layered structure is formed of a conductive polymer on a substrate material layer to allow a reaction in the conductive polymer material when the layered structure is exposed to ... | 01/02/2007 |
| 7157054 | Membrane type gas sensor and method for manufacturing membrane type gas sensor A gas sensor includes a semiconductor substrate and a sensing membrane. The sensing membrane is located at the bottom of a recess, which is formed by etching the substrate, and includes a heater, heater extension electrodes, a gas sensitive film, and gas-sensitive-f... | 01/02/2007 |
| 7138901 | Temperature measuring device and system and method incorporating the same A system having a heat source, a component coupled to the heat source, and at least one thermistor coupled to the component and adapted to monitor temperature of the component, wherein the thermistor has a core-shell microstructure having a shell disposed about a co... | 11/21/2006 |
| 7135421 | Atomic layer-deposited hafnium aluminum oxide A dielectric film containing HfAlO3 and a method of fabricating such a dielectric film produce a reliable gate dielectric having an equivalent oxide thickness thinner than attainable using SiO2. A gate dielectric is formed by atomic layer depos... | 11/14/2006 |
| 7131341 | Method and apparatus for detection of trace volatiles A method and apparatus for the detection of trace volatiles such as those produced by fungal decay of timber, comprising a sampling probe (10), comprising a housing (11) and bored barrel (12) adapted removably to receive an SPME device (14 | 11/07/2006 |
