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In physics and engineering, measurement is the activity of comparing physical quantities of real-world objects and events. Established standard objects and events are used as units, and the measurement results in a given number for the relationship between the item under study and the referenced unit of measurement. Measuring instruments are the means by which this translation is made. All measuring instruments are subject to varying degrees of instrument error.
Physicists use a vast range of instruments to perform their measurements. These range from simple objects such as rulers and stopwatches to electron microscopes and particle accelerators. Virtual instrumentation is widely used in the development of modern measuring instruments.
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Novel device for simultaneous volumetric and x-ray diffraction measurements on metal-hydrogen systems
B. A. Talaganis, F. J. Castro, A. Baruj, and G. Meyer Hydrogen storage materials can form more than one hydride phase. These different phases, in turn, display different hydrogen absorption/desorption capacities, kinetics, and stabilities. Studies aimed at characterizing and improving these materials usually need to correlate hydrogen intake with the p ... [Rev. Sci. Instrum. 80, 073901 (2009)] published Wed Jul 1, 2009.
Photothermal cantilever actuation for fast single-molecule force spectroscopy
Stefan W. Stahl, Elias M. Puchner, and Hermann E. Gaub Photothermal cantilever excitation provides a fast and easy to implement means to control the deflection of standard atomic force microscopy cantilevers. Minute heat pulses yield deflections on the order of several tens of nanometers or when the deflection is kept constant, forces of several hundred ... [Rev. Sci. Instrum. 80, 073702 (2009)] published Wed Jul 1, 2009.
Multimodal optical workstation for simultaneous linear, nonlinear microscopy and nanomanipulation: Upgrading a commercial confocal inverted microscope
Manoj Mathew, Susana I. C. O. Santos, Dobryna Zalvidea, and Pablo Loza-Alvarez In this work we propose and build a multimodal optical workstation that extends a commercially available confocal microscope (Nikon Confocal C1-Si) to include nonlinear/multiphoton microscopy and optical manipulation/stimulation tools such as nanosurgery. The setup allows both subsystems (confocal a ... [Rev. Sci. Instrum. 80, 073701 (2009)] published Wed Jul 1, 2009.
A direct micropipette-based calibration method for atomic force microscope cantilevers
Baoyu Liu, Yan Yu, Da-Kang Yao, and Jin-Yu Shao In this report, we describe a direct method for calibrating atomic force microscope (AFM) cantilevers with the micropipette aspiration technique (MAT). A closely fitting polystyrene bead inside a micropipette is driven by precisely controlled hydrostatic pressures to apply known loads on the sharp t ... [Rev. Sci. Instrum. 80, 065109 (2009)] published Tue Jun 30, 2009.
Heat transfer analysis for peripheral blood flow measurement system
Koji Nagata, Hideharu Hattori, Nobuhiko Sato, Yukiko Ichige, and Masashi Kiguchi Some disorders such as circulatory disease and metabolic abnormality cause many problems to peripheral blood flow condition. Therefore, frequent measurement of the blood flow condition is bound to contribute to precaution against those disorders and to control of conditions of the diseases. We propo ... [Rev. Sci. Instrum. 80, 064902 (2009)] published Tue Jun 30, 2009.
Proximity detector circuits: An alternative to tunnel diode oscillators for contactless measurements in pulsed magnetic field environments
M. M. Altarawneh, C. H. Mielke, and J. S. Brooks A radio frequency oscillator circuit based on a proximity detector integrated circuit is described as an alternative for the traditional tunnel diode oscillator used for pulsed magnetic field measurements at low temperatures. The proximity detector circuit design, although less sensitive than tunnel ... [Rev. Sci. Instrum. 80, 066104 (2009)] published Tue Jun 30, 2009.
Measurement - Provider of on-site and mobile calibration services, test and evaluation services and electronic products under the F.W. Bell name including magnetic measurement instruments, current sensors and hall generators.
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AJA International Inc. - Manufactures thin film technology (sputtering). Also produces microwave power supplies, substrate heaters, sputtering systems and targets, ion sources, and RF/DC power supplies.
Meta Description: [ AJA International, Inc. Designing custom, quality sputtering and thin film deposition equipment since 1988. ]
Angstrom Engineering Inc. - Offers customizable research and pre-production equipment solutions, including thin film deposition systems, glove box integration and thermal space simulation chambers.
Meta Description: [ Angstrom Engineering offers modular thin film deposition equipment, vacuum glove box integration and custom thin film deposition systems. ]
Ansaldo Superconduttori - Manufacturer of conventional and superconductive magnets for research in high energy physics and thermonuclear fusion.
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Atomic Hydrogen Source - Produces a thermal hydrogen cracker with uses such as damage free cleaning of surfaces.
Aurelia Microelettronica - Belongs to CAEN group, sells a variety of nuclear and biomedical electronics.
Besocke Delta Phi GmbH - Manufacturer of instruments used in research and development in physics, chemistry, engineering and biology. Main products include Kelvin Probes, STM, AFM, Choppers and Gas sensors.
Bioscan, Inc. - Manufacturer of instrumentation for liquid scintilation counting, readioisotope counting, gamma detectors and other fields.
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British Optical Ltd - International designer and manufacturer of optical and non-optical glass and glass protection system.
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Bunting Magnetics Co. - Distributor of permanent magnets and magnetic equipment for industrial use.
Meta Description: [ Bunting Magnetics Co. offers a broad line of permanent ceramic magnets, rare earth magnets (also known as neodymium magnets), alnico magnets, electromagnets and magnetic assemblies for industrial use. We design and manufacture a broad line of magnetic equipment that includes Magnetic Conveyors an... ]
Canberra Eurisys - Produces radiation monitoring systems and analysis instrumentation serving industries engaged in nuclear power, personal dosimeter and decommissioning, and safeguards.
Meta Description: [ CANBERRA, An AREVA Group Company: radiation detection and analysis software and instrumentation for nuclear power, decontamination and decommissioning, and safeguards industries ]
Colutron Research Corporation Home Page - Manufactures ion sources, ion guns and components. Also, high resolution beam imaging systems for ion, electron, and neutral beams as well as x-rays.
Meta Description: [ Colutron Research Corporation. Manufacturer of ion sources and related components, as well as electron, ion, neutral, UV and X-ray beam imaging systems. ]
Corporation Scientifique Claisse - Provides analytical fusion services, instrumentation and fine chemistry science services.
Meta Description: [ Sample preparation by fusion, fusion instruments, borate fluxes, platinumware ]
CSEM Nano Hardness Tester - Producer and distributor of nano-hardness testers, a high precision instrument for the determination of the nano mechanical properties of thin films, coatings and substrates
Meta Description: [ Nano Hardness Tester is the fastest nano-indenter available. It measures hardness and elastic modulus. ]
Danfysik - Since 1964 Danfysik have through development of products and technical expertise established the company's reputation as a supplier of high quality equipment for particle accelerator laboratories.
DCA Instruments - Manufacturer of UHV thin film deposition systems and components. The products include Molecular Beam Epitaxy (MBE) and Physical Vapor Deposition (PVD) equipment.
Meta Description: [ Systems and components for UHV thin film deposition including MBE, sputtering, effusion cells, e-beam evaporator and valved crackers ]
Density Calibration Laboratory - Physics calibration laboratory, accredited by UK Government (UKAS). Produces liquid and solid density standards and calibrates hydrometers.
Meta Description: [ World-class Density Metrologists ]
Desert Cryogenics - Offers cryostats in 3He, 4He and top loading configurations.
Meta Description: [ Lake Shore Cryotronics, Inc. offers cryogenic, magnet-based, high vacuum, and load-lock micro-manipulated probe stations. ]
Digital correlator manufacturer - Manufacturer of digital correlator for dynamic light scattering and fluorescence correlation spectroscopy.
Meta Description: [ Correlator.com Your source for advanced digital/analog correlators.
Multiple-tau, and tunable sample time correlator, Research and OEM correlator.
Low cost or high performance correlators. Customized correlator. ]
easyLab - Manufacturer of hydrostatic high-pressure cell modules for characterizing materials over a range of temperatures and applied magnetic fields.
Meta Description: [ Diamond anvil cells and High Pressure Cells manufacturers and suppliers including Piston-Cylinder Cells, Spares and Accessories for all High Pressure Applications ]
Edmund Optics - Manufactures and integrates optical components.
Meta Description: [ Edmund Industrial Optics (EO) has been a leading supplier of optics and optical components since 1942, designing and manufacturing a wide array of multi-element lenses, lens coatings, imaging systems, and opto-mechanical equipment. EO is application-focused and pursues new ways to implement optic... ]
EuroDidact - Developer and manufacturer of instruments for physics, chemistry and biology.
FEMTO Messtechnik GmbH - Manufacturer of low-noise signal amplifiers, lock-in amplifier modules and photoreceivers for use in scientific applications.
Meta Description: [ FEMTO Messtechnik GmbH - Manufacturer of low-noise amplifiers, lock-in amplifiers, current amplifiers, transimpedance amplifiers, voltage amplifiers, fast optical power meters, photoreceivers, o/e converters, logarithmic amplifiers, photodetectors. ]
Herbach and Rademan - Provides surplus electro-mechanical and scientific equipment.
Inficon Holdings AG - Provides thin film deposition controllers, high sensitivity helium leak detectors, digital and analog vacuum gauge controllers, valves and fittings, and mass spectrometers and partial pressure controllers for gas analyzers.
Meta Description: [ INFICON residual gas analyzers, particle detectors, thin film deposition controllers and monitors, leak detectors, vacuum gauges, valves, fittings, refrigerant recovery machines, refrigerant recovery scales, chemical identification and monitoring systems, RF sensors ]
Integrated Design Tools - Produces particle image velocimetry systems, makers of proVISION and sharpVISION products and software.
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iseg Spezialelectronic GmbH - USA - Provides high-voltage power supplies and related computer interfaces primarily for use in laboratories.
Meta Description: [ iseg has been a leading source for high voltage power supplies in physics and indutry ]
Isotope Products Laboratories - Manufactures radiation standards, radiation sources, medical sources, and radiation source devices for health physics, medical, industrial, research, and nuclear power industries.
Kistler.com - Supplier of measurement technology using the piezoelectric effect to measure pressure, force and acceleration.
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Labkron Instruments - Distributor of laboratory equipment and instruments.
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Laboratory Equipment - Manufacturers of Physics Laboratory Equipment for BS and MS students.
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LabSmith Innovative Laboratory Electronics - Manufacturer of laboratory electronics that control experiment timing, sequencing, coordination and integration.
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LDS Leak Detectors - Rents new and rebuilt helium leak detectors and systems. Also provides spare parts and vacuum components.
Mad City Labs, Inc. - Produces nanopositioning systems with sub-nanometer precision.
Meta Description: [ Mad City Labs, Inc is the leading manufacturer of nanopositioning systems and piezo stages with sub-nanometer precision at an affordable price. We have the largest product line of nanopositioning systems available. We also offer customized nanopositioners if your applications require a specializ... ]
Major Science Equipment Manufacturers - Directory of fax numbers, toll-free phone numbers, addresses and URLs for science equipment companies.
Mass Properties Measurement Instruments - Provides equipment to measure center of gravity, moment of inertia, product of inertia, igniter circuit testers, space simulators and gimbal balance machines.
Meta Description: [ Space Electronics LLC. - Manufacturer of Mass Properties Measurement Instruments - measure Center of Gravity, Moment of Inertia, Product of Inertia, moment weight and gimbal balance ]
Mass Spec Components - Provides support for users of VG, Fisons and Micromass magnetic sector mass spectrometers. Includes spares and consumables for 70E, 70S, ZAB and Autospecs.
Mesytec GBR - Develops, produces and distributes detector electronics and readout systems for particle and photon detectors. Single and multi channel systems are available for SSDs, PMTs, and PSDs.
Meta Description: [ scientific measurement systems. readout systems and electronics for 3He neutron detectors, silicon
strip detectors and photomultipliers. ]
Micromeritics Instrument Corporation - Manufacturer of particle technology instrumentation for the evaluation of particle size, surface area, pore size and pore size distribution, material density, bulk density, surface and catalytic activity, and zeta potential.
Meta Description: [ Micromeritics Instrument Corporation is a world wide leader in the manufacture of instruments for particle size evaluation and analysis. Micromeritics provides a complete line of characterization instruments to measure particle size, surface area, porosity, chemisorption, and density. ]
Nanofactory Instruments - Develops and markets scanning probe microscopy instrumentation, such as a combination TEM holder and STM instrument.
Meta Description: [ Nanofactory Instruments produces and sells TEM holders equipped with manipulation and measurement tools for in situ probing of electrical and mechanical properties (e.g. nanowire, nanotube) at the nanoscale. ]
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National Imports - Adhesive Products Division - Distributor and retailer of engineering and industrial adhesives; specializing in epoxy, acrylic, urethane, cyanoacrylate, and aerosol adhesives.
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Neocera Inc. - Provides pulsed laser deposition systems, metal oxide thin films and thin film devices, cryogenic temperature controllers, cryogenic sensors, magnetic and microwave microscopes, and sensor research and development.
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Oxford Applied Research - Provides ion sources, atom sources, gas crackers, evaporation sources, as well as other specialized UHV components for MBE and surface science requirements.
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Oxford Plasma Sources - Manufacturer of plasma sources of all types including RF (13.56MHz)and microwave (2.45GHz) in a range of sizes. Applications include MBE, surface science and thin film deposition.
Meta Description: [ Information page on the Plasma Cracker Source PCS ECR ]
Oxford Scientific Ltd - Provides vacuum science and plasma instruments for HV, UHV, MBE and surface science applications. Instruments include plasma sources, atom sources, ion sources, e-beam evaporators, hydrogen sources.
Meta Description: [ Information page on instrumentation for non epitaxial thin film growth ]
Pacific Nanotechnology, Inc. - Provides scanning probe products and services that facilitate advances in nanotechnology and nanoscience.
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Partition Enterprises Pty Ltd - Manufacturer of density tracers. Density tracers are filled plastic particles which are used to determine partitioning characteristics of density separators and other units.
Meta Description: [ Typically, modern density tracers are plastic particles which incorporate powders or other materials to impart suitable combinations of properties including density and colour. They are used to determine partitioning characteristics of density separators and other units accurately, rapidly and at... ]
PerkinElmer Instruments - ORTEC - Supplier of measurement systems, electronic instruments and modules, high resolution radiation detectors, and data analysis software for OEM and end-user applications of high resolution nuclear spectroscopy, fast-timing and pulse-height analysis.
Meta Description: [ ORTEC is an industry leader in the design and manufacture of advanced high purity germanium and silicon detectors for gamma rays and charged particles respectively. The ORTEC brand name is synonymus with quality and innovation in nuclear instrumentation. ]
PhysicsWeb - Business Directory - Directory of manufacturers and suppliers of physics-related products.
Meta Description: [ TBA ]
Quantum Design, Inc. - Provides automated materials characterization instrumentation - SQUID magnetometry, heat capacity, cryogenics, thermal conductivity, resistivity, helium 3, superconducting magnetics, susceptometry, physics and chemistry research.
Meta Description: [ Quantum Design manufactures integrated, automated systems for characterizing materials over a broad range of temperatures and applied magnetic fields. ]
Rare-Earth Magnets - Distributor and retailer of rare-earth (neodymium-iron-boron) magnets, ferrofluid, bismuth, magnetic viewing film, and other related products.
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S-DH GmbH - Developer of super-mirrors, neutron guide systems (ballistic, funnel) and several mechanical and optical devices like ELREBO (ElementReplacingBox).
Scienglass - Supplier of glass and glass/metal instruments and accessories for scientific applications.
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Semetrol - Producer of semiconductor characterization and analysis systems.
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Silicon Sensing Systems Japan, Ltd - Provides a vibrating type gyroscope that uses micro-machined ring resonator for accurate and shock-resistent reading.
SMI Lab Ltd. - Developer and manufacturer of photonic single crystalline materials and instruments.
Meta Description: [ development and manufacturing semiconductor A2B6 & A3B5 single crystals substrates for photonic application. Development and fabrication of Instuments & devices, based on the this single crystals,development and fabrication technological process, process technique, CdZnTe,CdZnTe substrates,CdTe,C... ]
Solar Energy Photovoltaics Tutorial Package - Provides an interactive tutorial package comprising of a comprehensive tutorial and laboratory grade photovoltaic module for hands on experiments and calculations.
SPECS GmbH - Manufacturer of surface analysis components and systems.
Meta Description: [ Homepage of SPECS GmbH ]
Spectra Gases - Manufacturer of rare, excimer laser, stable isotopic and environmental gases and gas mixtures.
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Surface Concept GmbH - Producer of delay line detectors. Provides products and services for electron detection, electron optics and ultra-high vacuum compatible sensors for surface analysis.
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SVT Associates - Complete MBE - Manufacturer of Ultra High Vacuum (UHV) and Molecular Beam Epitaxy (MBE) equipment. Also produces III-V epitaxial materials and devices, in-situ monitoring tools, and system deposition components.
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Tantec USA - Manufacturer of surface treatment and analysis equipment and static electricity control equipment.
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Static Eliminators, Static Bars, Static Neutralizers, Static Pinning, Static
Charging, Static Generators, Web Cleaning />
Tectra Plasma Sources - Provides the Tectra Plasma Source, a multi-purpose source producing either atoms or ions and finds uses in a range of HV and UHV applications.
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Teledyne Hastings Instruments - Manufacturer of vacuum and flow instruments for the measurement and control of vacuum and gas flows.
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The Electro-Optics Foundry - Provides contract manufacturing services for electro-optic and vacuum microelectronic devices.
Meta Description: [ Hudson Research Inc is a small business providing scientific, technical, engineering, and business-related services to industry and government. ]
The Rembar Company - Provides refractory metals and services to fabricate refractory metals.
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UHV Design - Manufacturer or vacuum components for molecular beam epitaxy (MBE), UHV sputtering, vacuum thin films and other UHV vacuum deposition components.
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Vacutec - Produces hemispherical energy analysers, electron, X ray, ion sources, and sample transfer. Includes list and description of products.
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Vacuum Controllers, From Hastings Instruments - Hastings Instruments manufactures a complete line of Vacuum Instruments including Vacuum Controllers, for the precise measurement and control of vacuum and gas flows.
Meta Description: [ Hastings Instruments manufactures a complete line of Vacuum Instruments including Vacuum Controllers, for the precise measurement and control of vacuum and gas flows. ]
Vatell Corporation - Produces a line of HFM heat flux microsensors and circular foil heat flux gages.
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VME for Physics and Industrie - Provides process control, supervisory data acquisition systems and VME scalers and counters.
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Vorg Electronics - Manufacturer of electronic transformers for halogen lamps, photomultiplier tube bases, cables, electronic transformers, PMT bases, PMT Arrays, transformers, and custom built electronics
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Voss Scientific - Provides data acquisition and analysis, PC-based satellite telemetry, high-power microwave (HPM) sources, and computational electromagnetic products.
Walker LDJ Scientific, Inc. - Manufacturer of magnetic measurement and analysis equipment. In addition, the company manufactures power supplies, laboratory electromagnets, and helmholtz coils.
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WITec GmbH - Manufacturer of equipment for scientific and industrial applications focused on new solutions for Optical and Scanning Probe Microscopy.
X-ray 3-dimensional Non-destructive Microscopy - Developer and producer of microtomography (Micro-CT) system for non-destructive 3-dimensional microscopy inside opaque objects.
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X-TRONIX Scientific and Industrial Technologies - Provides equipment for vacuum techniques, including consumables, thin films and surface science, gas flow control, helium cryogenics, and particle physics.
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