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7547953 |
Porous gallium oxide films and methods for making and patterning the same
Gallium oxide films for sensing gas comprise Ga 2 O 3 and have a porosity of at least about 30%. Such films can be formed by coating a substrate with a solution comprising: a gallium salt and a...
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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.
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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...
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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...
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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...
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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...
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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.
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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...
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7113069 |
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...
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6993955 |
Gas sensors
Semiconductor gas sensors with improved selectivity to target gases are provided by having a semiconductor gas-sensing layer and a layer thereon of microporous ceramic oxide having catalytic activity.
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6930586 |
Carbon monoxide detector
A carbon monoxide (CO) detection unit incorporates a sensor which is a film or layer of Ni x Co 1-x O y where x is from 0.1 to 0.9, e.g., spinel. The CO is detected by measuring the change in the...
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6861939 |
Arrangement of a heating layer for a high-temperature gas sensor
The operating temperature of a gas sensor capable of sensing a gas or a gas composition at a high temperature, for example 1000° C. is maintained constant over the entire volume of a gas sensor...
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6832507 |
System for detecting the presence of moisture
The system comprises at least one electronic sensor for detecting the presence of moisture. The system further comprises at least one reading device for obtaining information from the sensor about...
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6812821 |
Humidity sensor
A humidity sensor comprising an insulating substrate, a detection electrodes and a moisture-sensitive layer, wherein the moisture-sensitive layer is a porous layer and has a thickness not greater...
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6807842 |
Molecular recognition sensor system
A molecular recognition sensor system for detecting the presence and concentration of an analyte including a resistive sensor having a semiconductive polymer film which swells when exposed to an...
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6696964 |
Device for monitoring the filling of a bag
A device for monitoring the filling of a bag ( 10 ) comprises a resistor element to be mounted on the outside surface of the bag, the resistor element being a flexible potentiometer ( 20 ), the...
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6691554 |
Nanocrystalline films for gas-reactive applications
A gas sensor for detection of oxidizing and reducing gases, including O 2 , CO 2 , CO, and H 2 , monitors the partial pressure of a gas to be detected by measuring the temperature rise of an...
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6637256 |
Gas sensor and manufacturing method for the same
An air side cover is attached to a proximal end of a housing so as to confine an aerial atmosphere therein. A measured gas side cover is attached to a distal end of the housing so as to confine a...
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6565812 |
Gas sensor and method for producing it
A base is provided with a concave and three leads, and the central lead is bent to the side opposite to the concave, and the other leads are bent to the side of the concave. A central electrode of...
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6513364 |
Hydrogen sensor
A hydrogen sensor employs a hydrogen-sensitive semiconductor layer that is applied to a carrier substrate. The hydrogen-sensitive semiconductor layer includes a first and second semiconductor...
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6462643 |
PTC thermistor element and method for producing the same
The present invention provides a PTC thermistor element low in electric resistance at room temperature and suitable for monolithic incorporation with an integrated circuit. According to the present...
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6450007 |
Robust single-chip hydrogen sensor
A robust single-chip hydrogen sensor and a method for fabricating such a sensor. By adding an adhesion-promoting layer between the body of a sensor and an on-chip hydrogen-exposed...
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6408680 |
Sensor and method for the manufacture
A sensor for determining an oxygen content in an exhaust gas of an internal combustion engine includes a receptacle, arranged in a longitudinal bore of a metal housing, for a sensing element. The...
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6347543 |
Measuring sensor and method for its fabrication
A measuring sensor, in particular, for determining the oxygen content in exhaust gases of internal combustion engines, includes a ceramic molding arranged in a metal housing for the accommodation...
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6336354 |
Gas concentration measuring apparatus compensating for error component of output signal
A gas concentration measuring apparatus is provided which measures the concentration of a given gas using a gas sensor. The gas sensor includes a sensor element producing a gas concentration signal...
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6326229 |
Process for manufacturing integrated semiconductor devices comprising a chemoresistive gas microsensor
To manufacture integrated semiconductor devices comprising chemoresistive gas microsensors, a semiconductor material body is first formed, on the semiconductor material body are successively...
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6325979 |
Device for gas-sensoring electrodes
A sensing element, in particular for an electrochemical sensor for determining gas concentrations, having at least one three-dimensional electrode arrangement, applied on a support plate and...
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6313728 |
Stabilized polysilicon resistor and a method of manufacturing it
A resistor has a resistor body of polycrystalline silicon and electric terminals arranged on and/or in the resistor body. A resistor portion is thus formed between the terminals, which gives the...
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6266997 |
Thermal management of a sensor
In an exemplary embodiment, the present invention provides an exhaust constituent sensor comprising a planar sensing element securely held in place within a tubular inner shield by known methods....
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6263723 |
Multilayered gas sensor
The present invention provides a gas sensor element having properties capable of detecting methane and carbon monoxide selectively with 1 sensor by improving gas selectivity of the semiconductor...
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6223583 |
Sensor element seal for a detector
A sensor for determining an oxygen content of an exhaust gas of an internal combustion engine includes a flat-plate sensing element that is inserted in a gas-tight fashion via a hybrid seal in a...
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6161421 |
Integrated ethanol gas sensor and fabrication method thereof
The present invention discloses an integrated ethanol gas sensor and fabrication thereof. The present invention utilities micro electro mechanical system (MEMS) technology and has a main sensing...
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6155099 |
Apparatus for measuring quantity of hydrogen
A sensor is constituted by joining a pair of electrodes to a sensor body formed by binding hydrogen occluding metal with binders. Change in the electric resistance between the electrodes and the...
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6114943 |
Resistive hydrogen sensing element
Systems and methods are described for providing a hydrogen sensing element with a more robust exposed metallization by application of a discontinuous or porous overlay to hold the metallization...
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6114658 |
Device for the encapsulated reception of a material
An encapsulating device having a material encapsulated therein comprises a asic body provided with a recess for receiving therein the material and formed by microsystem technology in such a way...
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6101865 |
Gas sensor
A porous Al 2 O 3 thick film covers the SrTiO 3 layer of an oxygen sensor, said SrTiO 3 layer being contacted by means of two Pt electrodes and deposited on an Al 2 O 3 substrate. The...
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6087924 |
Gas sensors and methods of manufacturing the same
In a gas sensor which uses CuO as a p-type semiconductor, by adding Na 2 CO 3 in excess of 1 wt % relative to CuO, sensitivity to gases such as H 2 , NO, NO 2 and SO 2 is suppressed, whereby...
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6055847 |
Measuring sensor having metal jacket lead and externally mounted threaded connector
A measuring sensor for measuring a fluid includes a longitudinally extending housing having first and second ends and having an inlet opening at the first end for the fluid to be measured, and a...
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6033630 |
Method and sensor for detecting volatile enantiomeric substances in gases
A method and sensor for distinguishing between different optical isomers (enantiomers), which sensor comprises a pair of spaced-apart contacts and a semi-conductive polymer material spanning the...
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6032514 |
Gas measuring sensor
A engine exhaust gas measuring sensor having a sealing device and having a sleeve suitable for connection to a housing including a sealing element which is arranged at an end of sleeve facing away...
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6028331 |
Integrated semiconductor devices comprising a chemoresistive gas microsensor
To manufacture integrated semiconductor devices comprising chemoresistive gas microsensors, a semiconductor material body is first formed, on the semiconductor material body are successively...
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5972296 |
Oxygen sensors made of alkaline-earth-doped lanthanum ferrites and method of use thereof
Oxygen sensor for measuring resistance as a function of oxygen partial pressure, made of alkaline-earth-doped perovskitic lanthanum ferrites with the general formula La 1 -x Me x FeO 3 -δ where...
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5969231 |
Sensor for monitoring concentration of gaseous substances
The invention provides a sensor arrangement for monitoring the concentrat of moisture and gaseous substances in ambient air. A gas sensitive intermediate layer is sandwiched between top and bottom...
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5968673 |
Solid electrolyte thin film and method for producing the same
The present invention relates to a solid electrolyte thin film and a manufacturing method for the same. The solid electrolyte thin film of the present invention comprises yttrium stabilized...
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5965802 |
NO.sub.x sensor for exhaust gas, and process for producing the same
An NO x sensor is produced by sintering a plurality of columnar crystals of β-type Nb 2 O 5 . The average value M of aspect ratios b/a (wherein a represents a width and b represents a length) in...
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5955179 |
Coating for the structured production of conductors on the surface of electrically insulating substrates
A coating for the structured production of conductors on the surface of electrically insulating substrates, in particular for producing sensor elements and printed circuit boards. The coating is...
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5922287 |
Combustible gas sensor and method for detecting deterioration of catalyst
A combustible gas sensor having a pair of temperature sensor sections is here disclosed. One of the pair of temperature sensor sections is covered with porous oxidizing catalytic layers (23, 24)...
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5918261 |
Multi-electrode gas sensors and methods of making and using them
A resistive gas sensor has a gas sensing layer (11) overlaid as a layer on an array of electrodes (12, 14, 16) with unequal gaps (22, 24) between them. Signals from the different electrodes...
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5886614 |
Thin film hydrogen sensor
A thin film hydrogen sensor, includes: a substantially flat ceramic substrate with first and second planar sides and a first substrate end opposite a second substrate end; a thin film temperature...
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5879630 |
Semiconductor chemical sensor device and method of forming a thermocouple for a semiconductor chemical sensor device
A semiconductor chemical sensor device (2) comprises a sensitive layer (4) for detecting specific chemicals and a heater for heating the sensitive layer, which is formed by a heater portion (6) of...
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