indium antimonide refining

The Science Behind Optical Gas Imaging Oil & Gas Journal

An optical gas imaging camera can be considered a highly specialized version of an infrared or thermal imaging camera. There is a lens, a detector, some electronics to process the signal from the

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Indium 111 Article about indium 111 by The Free Dictionary

Indium salts color the Bunsen flame a deep blueviolet. Indium phosphide, arsenide, and antimonide are semiconductor materials used in photocells, thermistors, and rectifiers. Indium is found in very low concentrations in many ores and minerals it was first found in zinc blende and is produced commercially as a byproduct of the smelting of zinc.

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A Thermal Analysis of the Horizontal Zone Refining of

horizontal zone refining indium antimonide thermal analysis molten zone computer technology physical dimension single crystal zone refining process crystalline material typical operational parameter significant factor operating efficiency principal objective process equipment threedimensional pseudosteady state simulation heat transfer

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A thermal analysis of the horizontal zone refining of

Results are presented from the associated parametric study accomplished through a threedimensional pseudosteadystate simulation of the zone refining process for indium antimonide. The conclusions will be of value when optimizing the operating efficiency of horizontal zone refining where the length of the molten zone is a significant factor.

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Metallurgy concentration, roasting, smelting CGPCS Exam

Jan 16, 2018 · In this way, the impurities are swept over one end of the rod, which is finally discarded. The heater may have to be moved from one end to the other more than once. Ge, Si and Ga are used as semiconductors are refined in this manner galliumarsenide and indiumantimonide are also zone refined. Chromatography (Ion Exchange Method)

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Preparation of Gallium Antimonide and its Characterization

Material Science Research India Vol. 12(1), 3135 (2015) Preparation of Gallium Antimonide and its Characterization J idAnAndAPPA1, K. EswArA PrAsAd 2, K. BAlArAJu3 and V. n. MAni3 1National Remote Sensing Centre, Balanagar, Hyderabad500037, India. 2Department of Mechanical Engineering, Jawharlal Nehuru Technological University, Hyderabad500072, India.

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Shell Deer Park Refining LP Deer Park Refinery East

Deer Park Refinery East Property Flare Test Report . April 1, 2011 2 Shell Deer Park Refining LP Deer Park Refinery East Property Flare Performance Test Report by Shell Global Solutions (US) Inc. April 1, 2011 i instrument when using an Indium Antimonide (InSb) detector with data collected using a

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Preliminary Investigation of Effects on the Environment of

The Indium Corp. of America American Smelting and Refining Co. The Indium Corp. of America Ventron Corp. Alfa Products Div. The Indium Corp. of America American Smelting and Refining Co. Apache Chems., Inc. Fairmount Chem. Co., Inc. The H>50 of indium antimonide following oral administration was 3.7 g per kg. The greatest toxicity occurred

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Microchip can turn heat into electricity New Scientist

Microchip can turn heat into electricity. they used an indium antimonidebased semiconductor. This comprised an electron "emitter" doped with electrondonating impurities to give a surplus

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5N Plus Semiconductors Careers and Employment Indeed

5N Plus Semiconductors has grown rapidly over the past two years, making strong gains in market share for germanium wafers for space power appliions, as well as entering the market for indium antimonide substrates for focal plane arrays and magnetic readers. – less

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Journal of Materials Science, Volume 1, Issue 1 Springer

A systematic study of zone refining of single crystal indium antimonide. A. R. Murray, J. A. Baldrey, J. B. Mullin, O. Jones Pages 1428. Papers. Differential thermal analysis and Xray diffraction study of devitrifiion processes. L. F. Oldfield, D. J. Harwood, B. Lewis Pages 2940. Papers. A study on orientation effects in polyethylene in

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A Thermal Analysis of the Horizontal Zone Refining of

A Thermal Analysis of the Horizontal Zone Refining of Indium Antimonide . By G. Roussopoulos P. A. Rubini, G. S. Roussopoulos and P. A. Rubini. Abstract. Single crystals of semiconductors and optical materials are very important in the field of computer technology and communiions. The properties of such crystalline materials significantly

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Process for removing impurities from zone refined materials

Sep 30, 1975 · Process and apparatus for increasing the purity levels in zone refined materials, which process includes making one or more zone refining passes in an ingot loed in a first, zone refining boat and transferring a portion of the molten zone from the first boat into a second, adjacent boat.

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Indium antimonide Wikipedia

Indium antimonide (InSb) is a crystalline compound made from the elements indium (In) and antimony (Sb). It is a narrowgap semiconductor material from the IIIV group used in infrared detectors, including thermal imaging cameras, FLIR systems, infrared homing missile guidance systems, and in infrared astronomy. The indium antimonide detectors

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5N Plus Trail Inc. Primary Profile

5N Plus Trail also offers high purity antimony, indium and tin in 5N+ 7N purities prepared explicitly for semiconductor uses. Our equipment includes semiconductor zone refining, crystal growth, fabriion and polishing equipment. Our goal is to be the premier supplier of antimonide semiconductors and Germanium products.

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(PDF) Zone refining of cadmium and related characterization

Amongst them resistance heating is most popularly used in zone refining of metals with low melting point, such as Cadmium [7] and IndiumAntimonide [37]. Through an induction heating, the charge

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Effect of process conditions on microstructure and

Technologically important Indium Antimonide (InSb) thin films have been grown on different substrates (NaCl, KCl, KBr, quartz and glass) maintained at varied temperatures (300, 373, 473, 623 and 703 K) using a thermal evaporation technique under vacuum (~103 Pa). These films have been prepared by utilizing a single phase stoichiometric InSb

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Unlocking Opportunities

refining plant in Montreal, which houses its copper indium gallium selenide (CIGS) solar cells with their constituent products. Indeed, gigawatts of solar panels incorporating 5N Plus products produces indium antimonide (InSb) and gallium antimonide (GaSb) substrates for highsensitivity infrared detectors and thermal imaging cameras.

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NonPrecious Metals & NonMetallic Mining M&A

Co.''s products include metals such as tellurium, cadmium, germanium, indium, antimony, selenium and related compounds such as cadmium telluride, cadmium sulphide and indium antimonide used in electronic appliions, for solar (thinfilm photovoltaic) market, radiation detector and infrared markets.

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High Purity Germanium, a Review on Principle Theories and

Since the early 1950''s the use of Germanium has been continuously growing as new appliions are being developed. Its first commercial usage as the main material, from which the semiconductors were made, was later replaced by Silicon. The appliions were then shifted to a key component in fiber optics, infrared night vision devices and space solar cells, as well as a polymerization

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US3139599A Infrared detector with pn junctions in indium

US3139599A US74830A US7483060A US3139599A US 3139599 A US3139599 A US 3139599A US 74830 A US74830 A US 74830A US 7483060 A US7483060 A US 7483060A US 3139599 A US3139599 A US 3139599A Authority US United States Prior art keywords indium indium antimonide wafer infrared detector gallium Prior art date 19601209 Legal status (The legal status is an assumption

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Exotech Buys and Sells Indium Exotech Metallurgical

Exotech Buys and Sells Indium . Uses of Indium and Ways to Recycle It. Indium is one of the many lesser known metals being used in common products of daily life. It is usually found in firesprinkler systems of stores and at the same time, warehouses. However, it is also a component of transistors and semiconductors.

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Getter evaporation of pure thin films of indium antimonide

Getter ecaporation of pure thin films of indium antimonide 873 source temperature of 1100°C for the indium and 660720°C for the antimony.The maximum substrate temperature that it was found possible to use was 490 "C. Above this temperature, homogeneous films could not be formed at the rate of deposition used.

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Mines ANTIMONY mine for sale

Antimony mine for sale in Nevada. 17757641402. This potential open pit semi metal property is over a mile wide with veins of stibnite and anomalous silver. Drilling is required for estimation of tonnage and grade. Stibnite price is about $2000 ton.

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Getter evaporation of pure thin films of indium antimonide

Getter ecaporation of pure thin films of indium antimonide 873 source temperature of 1100°C for the indium and 660720°C for the antimony.The maximum substrate temperature that it was found possible to use was 490 "C. Above this temperature, homogeneous films could not be formed at

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A Thermal Analysis of the Horizontal Zone Refining of

steady state simulation of the zone refining process for Indium Antimonide (InSb). The conclusions will be of value when optimising the operating efficiency of horizontal zone refining where the length of the molten zone is a significant factor.

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The Electrical Conductivity and Thermoelectric Power of

Zone refining. Consequently, samples cut from such ingots have been suitable ''t The material contained in this paper forms part of a Ph.D. thesis submitted to the Unl.ersity of London. 1634 H. J indium antimonide and indium arsenide. However, the results of the iiext

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High Purity Germanium, a Review on Principle Theories and

Since the early 1950''s the use of Germanium has been continuously growing as new appliions are being developed. Its first commercial usage as the main material, from which the semiconductors were made, was later replaced by Silicon. The appliions were then shifted to a key component in fiber optics, infrared night vision devices and space solar cells, as well as a

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A systematic study of zone refining of single crystal

Abstract. The experimental conditions have been determined whereby it is possible, in a closed system, to distil off volatile impurities from an ingot of InSb, and subsequently pass at least 10 to 15 zones through the ingot, whilst constantly maintaining a single crystal structure of a

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Following the Trail of TIRS Technology onto a CapSat

Jul 28, 2016 · Following the Trail of TIRS Technology onto a CapSat Detector arrays are fabried on a galliumantimonide semiconductor wafer coated with alternating epitaxial layers of gallium antimonide, indium arsenide, and indium antimonide, repeated more than 600 times. The very thin layers absorb infrared photons and convert them to electrons—the

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Use of and Occupational Exposure to Indium in the United

Indium is found in certain compound semiconductors, most commonly as InP, but also as indium arsenide (InAs), indium antimonide, and indium gallium arsenide. InP is used in highspeed optoelectronic devices for telecommuniion systems. Epitaxial layers of InP may be grown by metalorganic chemical vapor deposition (MOVCD) on InP substrates.

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US3341364A Preparation of thin film indium antimonide

US3341364A US385523A US38552364A US3341364A US 3341364 A US3341364 A US 3341364A US 385523 A US385523 A US 385523A US 38552364 A US38552364 A US 38552364A US 3341364 A US3341364 A US 3341364A Authority US United States Prior art keywords film indium insb bulk thin Prior art date 19640727 Legal status (The legal status is an assumption and is not a legal conclusion.

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Ten Years of Transistors, May 1958 RadioElectronics RF Cafe

Oct 16, 2014 · Results have been very encouraging it appears that these materials may be useful for producing more versatile transistors and other devices. In fact, intermetallic diodes are now on the market. Notable among the compounds under investigation are indium antimonide, gallium arsenide and indium phosphide.

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A thermal analysis of the horizontal zone refining CORE

(2000). Numerical modelling and optimization of zone refining. (1996). Optimal zone lengths in multipass zonerefining processes. (1978). Power required to form a floating zone and the zone shape. (2003). Simulation of zone refining for a semiconducting material: Indium Antimonide.

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Raw Materials Crystal Scientific

Crystal Scientific sources raw materials from all over the world always looking for the best quality from our suppliers. The most commonly used product is single crystal silicon produced by the Czochralski process (CZ). In this process a seed crystal is used to pull a single crystal out of molten polysilicon.

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A thermal analysis of the horizontal zone refining of

Amongst them resistance heating is most popularly used in zone refining of metals with low melting point, such as Cadmium [7] and IndiumAntimonide [37]. Through an induction heating, the charge

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CBSE Class 12 Chemistry Notes: Principal and Processes of

Aug 06, 2019 · (iii) Zonerefining This method is based upon the principle of fractional crystallisation, i.e., difference in solubilities of impurities in molten and solid state of metal. Semiconductors like silicon, germanium, gallium arsenide and indium antimonide are purified by this method. Elements of very high purity are obtained by this method.

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Pure Metals & Compound Semiconductors, Expert Engine

INDIUM ANTIMONIDE GALLIUM ANTIMONIDE. Expert has over 35 years of experience in the ultrarefining of metals (Al, As, Bi, Cd, Ga, Au, In, Hg, Se, Ag, Sn, Te, Zn) by pyrometallurgy, distillation, zonerefining, electrolysis, and gas and vacuum treatment. He is also familiar with most means of characterizing metals, including emission, mass

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Indium Element information, properties and uses

Indium is a soft, malleable metal with a brilliant lustre. The name indium originates from the indigo blue it shows in a spectroscope. Indium has a low melting point for metals and above its melting point it ignites burning with a violet flame. Bizarrely, the pure metal of indium is described as

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Journal of Crystal Growth Vol 271, Issues 3–4, Pages EX1

select article A thermal analysis of the horizontal zone refining of indium antimonide

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Process for removing impurities from zone refined materials

Sep 30, 1975 · Process and apparatus for increasing the purity levels in zone refined materials, which process includes making one or more zone refining passes in an ingot loed in a first, zone refining boat and transferring a portion of the molten zone from the first boat into a

Read More
Indium Element information, properties and uses

Indium is a soft, malleable metal with a brilliant lustre. The name indium originates from the indigo blue it shows in a spectroscope. Indium has a low melting point for metals and above its melting point it ignites burning with a violet flame. Bizarrely, the pure metal of indium is described as giving a highpitched "cry" when bent.

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Indium Wikipedia

Indium has many semiconductorrelated appliions. Some indium compounds, such as indium antimonide and indium phosphide, are semiconductors with useful properties: one precursor is usually trimethylindium (TMI), which is also used as the semiconductor dopant in

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Indium Article about indium by The Free Dictionary

Indium salts color the Bunsen flame a deep blueviolet. Indium phosphide, arsenide, and antimonide are semiconductor materials used in photocells, thermistors, and rectifiers. Indium is found in very low concentrations in many ores and minerals it was first found in zinc blende and is produced commercially as a byproduct of the smelting of zinc.

Read More