| THERMO FISHER SCIENTIFIC INC. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120033792 | OPTIMAL DETECTOR POSITION FOR GAMMA BACKSCATTER - A method for determining the density of a fluid that includes disposing a gamma-ray source proximate to a vessel containing the fluid is provided. The optimal position of a gamma-ray detector with respect to the gamma-ray source is determined. A gamma-ray detector is position at the optimal position, and the density of the fluid is measured. | 02-09-2012 |
| 20120032091 | INCREASE OF NEUTRON FLUX WITH GAMMA SHIELDING - An analyzer having a detector and a neutron source assembly adjacent to the detector is disclosed, wherein the neutron source assembly has a neutron source and a shielding source holder. | 02-09-2012 |
| 20120032089 | METHOD FOR DETECTING HIGH-ENERGY RADIATION USING LOW VOLTAGE OPTIMIZED ION CHAMBER - A method for measuring high-energy radiation flux, comprising applying a low voltage to electrodes in an ion chamber filled with a fluid capable of forming ions through the interaction of the fluid with high energy radiation; measuring an ion current signal related to an ion current induced by the low voltage; determining a leakage current; determining a gain; determining a magnitude of the high-energy radiation flux based on the ion current signal, gain, and leakage current; and outputting the result of the magnitude of the high-energy radiation flux. | 02-09-2012 |
| 20110266430 | GAS INLET FOR A PROCESS MASS SPECTROMETER - An inlet for a process mass spectrometer, the inlet comprising, a capillary in fluid communication with a sample gas feed; a transfer line in fluid communication to the capillary; a first orifice configured to generate a change in pressure, the orifice comprising at least two measuring ports; a pressure sensor operatively connected to at least one of the two measuring ports; and a second transfer line in fluid communication with the first orifice, the second transfer line also in fluid communication with an external disposal point. | 11-03-2011 |
| 20110180147 | METHOD AND APPARATUS FOR IMPROVED SOLENOID VALVES - An apparatus for controlling fluid flow including a solenoid valve. The solenoid valve includes a valve body located outside an instrumentation enclosure, wherein the valve body includes at least one connection port for controlling fluid flow and a valve plunger housing located within the instrumentation enclosure, wherein a solenoid coil is wound around the valve plunger housing portion. The apparatus also includes an instrumentation enclosure wall including an aperture through which the valve plunger housing is inserted into the instrumentation enclosure. | 07-28-2011 |
| 20110031405 | SCINTILLATION DETECTOR GAIN CONTROL SYSTEM USING REFERENCE RADIATION - A method for controlling gain of a scintillation detector includes using a reference radiation source and a photomultiplier tube and controlling the gain of the scintillation detector based on the reference radiation source. The controlling includes detecting change in the gain of the scintillation detector, determining an amount of the change in the gain, outputting a control signal to compensate the amount of the change in the gain, and stabilizing the gain against the reference radiation source based on the control signal. A gain control system for controlling gain of a scintillation detector includes computer-readable instructions stored in the memory for causing the processor to detect change in the gain of the scintillation detector determine an amount of the change in the gain, output a control signal to compensate the amount of the change in the gain, and stabilize the gain against the reference radiation source based on the control signal. | 02-10-2011 |
| 20100117674 | SYSTEMS AND METHODS FOR CHARGED DEVICE MODEL ELECTROSTATIC DISCHARGE TESTING - Systems and methods for testing an integrated circuit device using transmission path and charged device model electrostatic discharge testing. The method includes measuring a electrostatic discharge signal from a charged transmission path of the system, measuring a electrostatic discharge signal from the charged transmission path of the system and a charged integrated circuit device coupled with the charged transmission path, and determining a charged device model waveform based upon distinctions between these electrostatic discharge signals. | 05-13-2010 |
| 20100079160 | Probe Interface for electrostatic discharge testing of an integrated circuit - A system, probe interface, and method to test an integrated circuit with an electrostatic discharge signal. The probe interface includes a pulse generation circuit, ground plane, and a relay matrix, while the integrated circuit includes a plurality of contact points. The probe interface is configured proximate to the integrated circuit and the relay matrix is configured to electrically connect at least one of an operative signal, the pulse generation circuit, or the ground plane to a contact point of the integrated circuit. The probe interface is thus configured to provide a shortened path for at least one of the electrostatic discharge signal from the probe interface to the integrated circuit, or to the ground plane from the integrated circuit. The probe interface may selectively electrically connect to up to about thirty-two contact points of the integrated circuit, while the system may include up to about four probe interfaces. | 04-01-2010 |
| 20090058410 | REED RELAY FOR MAGNETIC FIELD MEASUREMENT - An apparatus for measuring a strength of a magnetic field, including a switch including contacts configured to change position when a switching threshold is reached, wherein the switching threshold is reached by modifying an external magnetic field around the switch, and a coil wound around the switch, wherein the coil is used to modify the external magnetic field, wherein a first current is driven through the coil wound around the switch until a first switching threshold is obtained, wherein a second current is driven through the coil wound around the switch until a second switching threshold is obtained, and wherein a value of the first current when the first switching threshold is reached and a value of the second current when the second switching threshold is reached are used to determine the strength of the magnetic field. | 03-05-2009 |
| 20080299670 | COMBUSTION TUBE AND METHOD FOR COMBUSTING A SAMPLE FOR COMBUSTION ANALYSIS - Combustion tube ( | 12-04-2008 |
| 20080226026 | BUILDUP-ROBUST DENSITY, LEVEL AND INTERFACE MEASUREMENT WITH y-BACKSCATTERING - System and methods for measuring the density, level, or interface position of a fluid or fluids in a vessel using gamma-ray backscatter are disclosed. The gamma-ray instruments disclosed may account for vessel wall buildup or deterioration. Methods disclosed herein include detecting gamma rays backscattered by a fluid from a gamma-ray source positioned proximate to a vessel with at least two gamma-ray detectors positioned proximate to the vessel and to each other; and determining a density, level, or interface value of the fluid based upon intensities of backscattered gamma rays received by the two or more gamma-ray detectors; wherein the vessel wall is subject to at least one of buildup and deterioration. The density, level, or interface may be a function of a ratio of the intensity of backscattered gamma rays received by two or more of the detectors. | 09-18-2008 |
| 20080213913 | COMBUSTION ANALYSIS APPARATUS AND METHOD - A method and apparatus for combustion analysing a sample in a combustion analyzer ( | 09-04-2008 |
| 20080206882 | APPARATUS AND METHOD FOR DETECTING INCOMPLETE COMBUSTION IN A COMBUSTION ANALYZER - Apparatus and method for determining incomplete combustion in a combustion analyzer comprising a combustion chamber ( | 08-28-2008 |
