| Entries |
| Document | Title | Date |
|---|
| 20090115423 | 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 | 05-07-2009 |
| 20090251152 | METHOD AND DEVICE FOR MONITORING AND/OR DETERMINING THE CONDITION OF A MEASURING PROBE - The condition of an electrochemical measuring probe ( | 10-08-2009 |
| 20090261839 | EFFLUENT IMPEDANCE BASED ENDPOINT DETECTION - A system to measure an impedance of an effluent associated with a foreline (effluent line or exhaust) is provided. This system includes a remote plasma source, a process chamber, an effluent line, an electrode assembly, an RF driver, and a detector. The remote plasma source couples to the process chambers and is operable to supply chamber-cleaning gas to the process chamber. The effluent line also couples to the process chamber where chamber-cleaning effluent exhausts the process chamber via the effluent line. The electrode assembly, located in the effluent line, is exposed to the effluent exhausting from the process chamber. The electrode assembly, coupled to the RF driver, receives an RF signal from the RF driver. The RF signal applied to the electrode assembly induces a plasma discharge within the electrode assembly and effluent line. A detector coupled to the electrode assembly detects an end point of a chamber clean of the process chamber. The end point may be detected based on a change in impedance associated with the plasma discharge within the electrode assembly and effluent line. | 10-22-2009 |
| 20100253359 | ELECTRODE FOR AN IONIZATION CHAMBER AND METHOD PRODUCING THE SAME - An electrode for an ionization chamber and an ionization chamber including an electrode are provided wherein the electrode comprises a substrate comprising a first material, and a plurality of nanowires extending from the substrate and manufactured by processing the first material of the substrate. | 10-07-2010 |
| 20100277179 | EVALUATION METHOD FOR ION BEHAVIOR AND EVALUATION DEVICE FOR ION BEHAVIOR - An evaluation device of ion behavior includes: a voltage oscillator ( | 11-04-2010 |
| 20110018544 | 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 electrode is powered by an alternating voltage signal. The ionization phenomenon generates in the electrode a direct current. The current being sensed by a suitable sensing circuit including a control unit. This signal generator being of relatively low internal impedance to enable the measured generated current to have a high value compared with that normally used and of waveform to tend to limit the value of the direct current flowing through the electrode. The sensing and control circuit being such as to enable the presence of a parasitic current on the flame sensing electrode to be measured. A device for implementing the method is also disclosed. | 01-27-2011 |
| 20110037477 | TEST STRUCTURE FOR HIGHLY ACCELERATED ELECTROMIGRATION TESTS FOR THICK METALLIZATION SYSTEMS OF SOLID 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 ( | 02-17-2011 |
| 20110043213 | FET-BASED SENSOR FOR DETECTING IONIC MATERIAL, IONIC MATERIAL DETECTING DEVICE USING THE FET-BASED SENSOR, AND METHOD OF DETECTING IONIC MATERIAL USING THE FET-BASED SENSOR - Provided are a FET-based sensor for detecting an ionic material, an ionic material detecting device including the FET-based sensor, and a method of detecting an ionic material using the FET-based sensor. The FET-based sensor includes: a sensing chamber including a reference electrode and a plurality of sensing FETs; and a reference chamber including a reference electrode and a plurality of reference FETs. The method includes: flowing a first solution into and out of the sensing chamber and the reference chamber of the FET-based sensor; flowing a second solution expected to contain an ionic material into and out of the sensing chamber while continuously flowing the first solution into and out of the reference chamber; measuring a current in a channel region between the source and drain of each of the sensing and reference FETs; and correcting the current of the sensing FETs. | 02-24-2011 |
| 20110050241 | 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 substance to create an identifiable signature or response. In the preferred embodiment, signals transmitted are an Infrared laser beam, amplitude modulated in the range of 100 kHz frequency. The probing signal stimulates molecular resonance of the target substance which produces characteristic electron signal responses that are detected by IR detectors. A software program is used to process the electrical response signals and to compare them with electrical response signals stored in a database of known substances, thus allowing the target substance to be identified. The system may also be used to locate targeted substances. Also disclosed is an artificial ground device that provides a positive ground that provides consistent responses. | 03-03-2011 |
| 20110080174 | 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 current sensing electrodes. The self charging is achieved by utilizing the spark current during an ignition event to charge an ion bias capacitor. After the ignition event, the charge voltage build up on the ion bias capacitor is used to provide an ion current across the spark plug gap. The ion current is passed through an offset stage that translates the ion current sense voltage to a voltage that can be buffered and amplified from a single power source available in automotive and vehicular applications. The output of the circuit provides tri-state information, including spark current, null current, and linear representation of ion sense current. | 04-07-2011 |
| 20110080175 | ELECTROMIGRATION COMPENSATION SYSTEM - An integrated circuit is described. The integrated circuit, comprising: a central processor; a memory; and an electromigration compensation system associated with a plurality of leads within the integrated circuit, wherein the electromigration compensation system causes the plurality of leads to have interlocking, horizontally tapered ends that substantially reduces electromigration divergence and consequently lead resistance and circuit shorting. | 04-07-2011 |
| 20110163753 | Sensor system and method for detection of fluids with a certain material composition - A method for detecting fluids having a certain material composition is disclosed. The method comprises at least the following steps: ionizing the fluid using at least one high-voltage electrode coupled to a high-voltage source, such that the high voltage electrode generates charge carriers and emits these charge carriers which are at least partially re-collected by measurement electrodes; measuring electrical quantities at the plurality of measurement electrodes being spaced apart from each other as well as from the high voltage electrode; determining the spatial distribution of the measured electrical quantities; comparing the spatial distribution of the measured electrical quantities with at least one reference distribution; providing an output signal responsive to the comparison and indicating the presence of a fluid component and/or the concentration of the fluid component in the fluid. | 07-07-2011 |
| 20110181291 | Measuring device for purity measurements in a media circuit of a power station and method for operating said measuing device - A measuring device for carrying out purity measurements in a media circuit of a power station with an ion exchanger device and a measuring means for measuring a parameter of a media current flowing through the ion exchanger device is described. In order to obtain measurements in a rapid and reliable manner at the start up of the ion exchanger device, for example during the start-up phase of the power station, it is suggested that the ion exchanger device has two flow paths for two different operating modes of the power station. | 07-28-2011 |
| 20110221447 | SENSOR SYSTEM FOR DETECTING ANALYTES IN LOW CONCENTRATION - The invention relates to a sensor system ( | 09-15-2011 |
| 20120019257 | 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 measurement apparatus has at least a planar Faraday cup and a magnet device. The planar Faraday cup is close to an inner surface of a chamber wall, and may be non-parallel to or parallel to the inner surface. The magnet device is located close to the planar Faraday cup. Therefore, by properly adjusting the magnetic field, secondary electrons, incoming electrons and low energy ions may be adequately suppressed. Further, the planar Faraday cup may surround an opening of an additional Faraday cup being any conventional Faraday cup. Therefore, the whole ion beam may be received and measured well by the larger cross-section area of at least the planar Faraday cup on the ion beam path. | 01-26-2012 |
| 20120019258 | ELECTROCHEMICAL SENSOR AND METHOD FOR THE PRODUCTION THEREOF - An electrochemical sensor allows even extremely small quantities or concentrations of a target chemical substance to be detected or quantified with a high precision in a particularly reliable manner. The novel sensor has a detector zone formed by nanoparticles which are embedded in a matrix and have a higher electric conductivity than the matrix material. The electric conductivity of the zone is determined by electron tunneling, ionization or hopping processes among the nanoparticles and by the electrochemical interaction thereof with a target substance to be detected. | 01-26-2012 |
| 20120169347 | 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 space of the shield electrode. The cold cathode includes a field emission unit and a grid electrode corresponding to the field emission unit. The field emission unit includes at least one emitter. Each of the at least one emitter includes a carbon nanotube pipe. The carbon nanotube pipe has a first end, a second end, and a main body connecting to the first end and the second end. The second end has a plurality of carbon nanotube peaks. | 07-05-2012 |
| 20120306508 | IN-SITU FLUX MEASUREMENT DEVICES, METHODS, AND SYSTEMS - In-situ flux measurement methods, devices, and systems are provided. According to some embodiments, an in-situ molecular flux device generally comprises a electrically conductive container configured to hold a precursor material, a heat source proximate the electrically conductive container to heat the precursor material to release ions such that an ion current is produced; and a current-measuring device in electrical communication with the electrically conductive container to measure the ion current associated with the heated precursor material. Other embodiments are also claimed and described. | 12-06-2012 |
| 20140055145 | Ion Sensor - The disclosure describes techniques for determining an ion concentration in a sample. According to these techniques of this disclosure, an ion concentration of a sample is determined based on detecting at least one change in an electrical characteristic of a semiconductor device due to a gate insulation layer of the semiconductor device placed in contact with the sample. | 02-27-2014 |
| 20140062495 | SYSTEMS AND METHODS FOR MONITORING FAULTS, ANOMALIES, AND OTHER CHARACTERISTICS OF A SWITCHED MODE ION ENERGY DISTRIBUTION SYSTEM - Systems, methods and apparatus for regulating ion energies in a plasma chamber and chucking a substrate to a substrate support are disclosed. An exemplary method includes placing a substrate in a plasma chamber, forming a plasma in the plasma chamber, controllably switching power to the substrate so as to apply a periodic voltage function (or a modified periodic voltage function) to the substrate, and modulating, over multiple cycles of the periodic voltage function, the periodic voltage function responsive to a defined distribution of energies of ions at the surface of the substrate so as to effectuate the defined distribution of ion energies on a time-averaged basis. | 03-06-2014 |
| 20140125349 | ELECTROMETER CURRENT INJECTION BY HIGH VOLTAGE RAMP - An apparatus and method for conducting a test cycle for an electrometer of an environmental radiation monitor by current injection is provided. The environmental radiation monitor includes a high pressure ionization chamber, a power supply electrically connected to the high pressure ionization chamber, and an electrometer electrically connected to the high pressure ionization chamber. A controller controls the power supply voltage signal provided to the high pressure ionization chamber to create a constant current to be injected into the electrometer. The methods include varying the voltage signal provided to the high pressure ionization chamber, measuring a current signal, processing the current signal with the electrometer and comparing the voltage signal to an expected result, indicating proper operation of the electrometer. Further examples of the method include initiating and discontinuing a test function. | 05-08-2014 |
| 20150008932 | CHARGED PARTICLE DETECTOR - A system and method comprising a charger for ionizing aerosols; a spectrometer coupled to the charger and operable to select for a predetermined particle size; a porous charge collector coupled to the spectrometer, and a MEMS electrometer. In some embodiments the charge collector may be a metal frit electrically coupled to the electrometer. The electrometer may include a comb drive actuator coupled to a moving shuttle supported on flexures. | 01-08-2015 |
| 20150330944 | AEROSOL IONIZER - A system and method comprising an ion production chamber having a ultra-violet light source disposed towards said chamber, a harvest gas disposed to flow through the chamber from an inlet to an outlet, and a jet, said jet operable to introduce a sample into the harvest gas flow. In some embodiments the system includes using helium as the harvest gas. Certain embodiments include introducing a sample perpendicular to the harvest gas flow and using multiple sample introduction jets to increase mixing efficiency. The charge sample may be coupled to a MEMS-based electrometer. | 11-19-2015 |
| 20160252480 | FLEXIBLE MAGNETIC FIELD COIL FOR MEASURING IONIC QUANTITY | 09-01-2016 |
