Matches 1 - 50 out of 134 1 2 3 >


Match Document Document Title
8970221 Discharge ionization current detector  
A discharge ionization current detector capable of supplying plasma gas in large quantity to stabilize plasma simultaneously with lowering the sample dilution ratio to improve detection...
8963552 Electrostatic discharge event detector  
A device for detecting an electrostatic discharge event by an object, the device comprising: a receiver for forming a first capacitive coupling with the object and a second capacitive coupling...
8928329 Cold cathode gauge fast response signal circuit  
A fast response output signal circuit (10) for a cold cathode gauge is provided to produce a fast response output signal (48) in addition to a voltage output signal (40) that is representative of...
8922219 Photo-ionization detectors and associated methods thereof  
A photo ionization detector (PID) is provided for selectively determining various compounds or gases present in a breath sample. The PID, comprises a substrate comprising a gas ionization chamber,...
8922227 Systems and methods for detecting surface charge  
Systems and methods are provided for detecting surface charge on a semiconductor substrate having a sensing arrangement formed thereon. An exemplary sensing system includes the semiconductor...
8836342 Test structure for highly accelerated electromigration tests for thick metallization systems of solid state integrated circuits  
A test structure and a process for the electromigration test of integrated circuits is suggested, in which metallization planes consisting of strip conductors of a usual thickness (11) are...
8823384 Fine particle detection system  
There is provided a fine particle detection system with a fine particle sensor, a cable and a sensor drive control device. The fine particle sensor has an ion source unit with first and second...
8773137 Method and device to detect the flame in a burner operating on a solid, liquid or gaseous combustible  
A method for flame sensing in a solid, liquid or gaseous fuel burner, the flame generated at an ionization electrode, the flame presence resulting in an ionizing effect on the electrode. The...
8773138 Discharge ionization current detector  
A discharge ionization current detector using a low-frequency barrier discharge is provided to improve the linearity of detection sensitivity with respect to a sample introduction amount. From a...
8729496 Sampling of confined spaces  
In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the...
8710849 Particle measurement process and apparatus  
A process for measuring particle concentrations in a gas using an ejector for producing an essentially constant sample flow and for efficient mixing of the particle-containing sample and...
8653807 Apparatus and method for measuring ion beam current  
Techniques for ion beam current measurement, especially for measuring low energy ion beam current, are disclosed. In one exemplary embodiment, the techniques may be realized as an ion beam current...
8638106 Microdischarge-based pressure sensor and method  
A microdischarge-based pressure sensor that includes an anode, two cathodes, a drive circuit connected to the electrodes, and a measurement circuit that permits sensing of transient current pulses...
8614581 Vacuum ionization gauge  
A vacuum ionization gauge includes a cold cathode, a shield electrode, an anode ring, and a collector. The shield electrode includes a receiving space. The anode ring is located in the receiving...
8563945 Sampling of confined spaces  
In various embodiments of the invention, a cargo container can be monitored at appropriate time intervals to determine that no controlled substances have been shipped with the cargo in the...
8490598 Ignition coil with ionization and digital feedback for an internal combustion engine  
Systems and methods for controlling an internal combustion engine include an ignition coil that generates a pre-discharge ionization signal during charging of the ignition coil after reaching a...
8461844 Self charging ion sensing coil  
A self charging ion current sensing circuit is provided. The self charging ion current sensing circuit is coupled to spark generation circuitry, and utilizes the spark plug electrodes as the ion...
8358137 Method and apparatus for examining ion-conductive electrolyte membrane  
A detection membrane is joined to a first surface of an electrolyte membrane. After the detection membrane is hydrogenated, oxygen is supplied to a space facing a second surface of the electrolyte...
8350572 Ionization vacuum device  
An ionization vacuum device measures a pressure in a vacuum vessel, and has: an anode provided inside the vacuum vessel; a cathode provided inside the vacuum vessel; a power source for discharge...
8242783 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...
8169223 Ionization vacuum gauge  
An ionization vacuum gauge includes a cathode, an anode and an ion collector. The anode is surrounding the cathode. The ion collector is surrounding the anode. The cathode, the anode and the ion...
8129978 Material detector  
To realize a small size and high detection accuracy in a substance detection apparatus. A charge detection field effect transistor and a control circuit therefor are provided in each cell, and the...
7990161 Apparatus for measuring total acid number of oil and estimating lifetime of oil, and method for measuring total acid number of oil and oil sensor using the same  
Disclosed herein are an apparatus for measuring the total acid number of oil, an apparatus for measuring the lifetime of oil through the measurement of the total acid number of oil, a method for...
7910377 Methods and apparatuses for preparing a surface to have catalytic activity  
The invention provides methods and apparatuses that utilize mass spectrometry for preparation of a surface to have catalytic activity through molecular soft-landing of mass selected ions. Mass...
7825648 Substance identification and location method and system  
This invention relates to a method and system for remote detection of a targeted substance by the appropriate application of a probing signal that induces molecular resonance in the target...
7821270 Electrode contact pellet and associated photoionisation detector assembly  
A demountable pellet is disclosed for use as an electrode contact assembly. The pellet comprises a base 1 upon which is mounted a plurality of electrodes 18, 19, 20 arranged in respective spaced...
7791350 Ionization vacuum gauge  
An ionization vacuum gauge includes a linear cathode, an anode, and an ion collector. The linear cathode, the anode, and the ion collector are concentrically aligned and arranged from center to...
7756566 Magnetic resonance imaging for a plurality of selective regions set to object continuously moved  
MRI echo data is acquired by performing selective-excitation on regions composed of multi-slices of an object, while the object is moved continuously. The positions of the multi-slices are moved...
7656165 Method and apparatus for maintaining emission capabilities of hot cathodes in harsh environments  
A method and apparatus for operating a multi-hot-cathode ionization gauge is provided to increase the operational lifetime of the ionization gauge in gaseous process environments. In example...
7609067 Electronic portion of an ion gauge with ion collectors bowed out of plane to form a three dimensional arrangement  
Embodiments of the present invention pertain to an electronic portion of a MEMs ion gauge with ion collectors bowed out of plane to form a three dimensional arrangement and a method for forming an...
7564246 Pressure sensor using field emission of carbon nano-tube  
Disclosed is an ion gage using a carbon nano-tube, more specifically a pressure sensor using a field emission of the carbon nano-tube. An array of carbon nano-tubes is formed on a metallic layer....
7456633 Apparatus for and method of measuring composition and pressure of the discharged gas from ion gauge using residual gas analyzer  
Disclosed herein are an apparatus for and method of measuring the composition and the pressure of the discharged gas from an ion gauge by using a residual gas analyzer. In this regard, there are...
7368917 Electronic circuit for ion sensor with body effect reduction  
An electronic circuit for ion sensor with the body effect reduction includes a bridge-type floating source circuit provided with an input terminal, an output terminal reflecting the change in the...
7309992 Gas analysis method and ionisation detector for carrying out said method  
Chemical analysis of impurities in buffer gas is provided at various pressures up to atmospheric. Identification of the impurities is carried out by analyzing energy of electrons releases via...
7183772 Ion detector  
A charge detector includes an outer housing having an entrance aperture. Within the housing is disposed a charge capture element that is electrically isolated from the outer housing. The charge...
7046012 Ionization devices  
An ionization detector includes a third (fence) electrode (55) between the counter electrode (53) and the sensing electrode (54). The fence electrode (53) is maintained at or near the potential of...
6853195 Device and process for measurement of the concentration of ions in a measurement liquid  
A symmetrically wired device and a process for measurement of the concentration of ions, especially hydrogen (H+) ions, in a measurement liquid. The device comprises a pH-sensitive measurement...
6831465 Electrical measurement means  
An electrical measurement device is described, with a measurement input, an integrated sensor, a measurement and evaluation circuit, and a measured value display, and several measured value...
6826489 Fault classification in a plasma process chamber  
A method of fault classification in a plasma process chamber powered by an RF source includes initially running a plurality of different baseline plasma processes on the chamber. For each baseline...
6781383 Method for fault detection in a plasma process  
A method of fault detection is described for use in a plasma process chamber powered by an RF source and subject to periodic standard preventive maintenance. Prior to a production run, the changes...
6771075 Air ion measuring device  
An air ion measuring device is provided which holds the air passage rate in an ion detector as constant as possible to provide for improved air ion measurement reliability, permits a size and...
6768311 Ion measuring device  
The ion measuring device comprises an ion detector including a charge collector electrode disposed in an air passage with an air passing member provided therein and capable of collecting ions in...
6756785 Pressure controlled degas system for hot cathode ionization pressure gauges  
A method operating a hot cathode ionization pressure gauge during electron bombardment and resistance degas operations by controlling the degas power levels as a function of the gauge pressure. In...
6734677 Device and method for detecting engine combustion condition  
A combustion condition detecting device detects combustion ions between opposing electrodes in a combustion chamber by ion current flowing between the electrodes in response to a.c. current...
6717413 Contact potential difference ionization detector  
A nondestructive testing method of condensed matter surfaces, and a sensing device for the measurement of the work function of the surface of a conducting or semiconducting sample. The sensing...
6583627 Process and apparatus for testing multi-layer composites and containers produced therefrom  
The invention relates to a process and an apparatus for detecting gas-permeable damaged points in an electrically non-conductive layer which can exist as a single layer or as a multi-layer...
6570389 Prevention of arcing in power supplies  
A power supply to be tested is placed in a vacuum chamber; the power supply is turned on and gas pressure in the chamber is reduced. As the gas pressure is reduced below 1 atmosphere, the...
6549013 Ionic current measuring glow plug and process and circuit for its activation  
Ionic current measurement glow plug with electrical terminal for the glow current of a heating element which is located on the combustion space side in a glow tube, the glow tube being located in...
6545480 Method for carrying out the electrical breakdown of a gaseous dielectric in a highly non-uniform field  
The invention pertains to testing technique and designed to be used in the research n the dielectric rigidity of high-voltage equipment gaseous isolation. The technical result of the invention is...
6531877 Miniaturized glow discharge electron capture detector  
An ionization detector includes a unique combination of elements including a non-radioactive glow discharge source, a gas flow area designed to promote mixing of sample gas with a reagent gas, a...

Matches 1 - 50 out of 134 1 2 3 >