CAS: 12039-88-2; Tungsten Silicide (Wsi2)

上下游产品

silicon tungsten tungsten(VI) fluoride silica gel

专利信息

专利号:US-10669160-B2
优先权日:2018-04-30
标题:Heterogeneous wet synthesis process for preparation of high purity tungsten pentahalide
发明人：LIU YUMIN; LI FENG; WAN ZHIWEN; FAFARD CLAUDIA; WIESE STEFAN; HUSSON GUILLAUME; NIKIFOROV GRIGORY; SUI BIN; GIRARD JEAN-MARC
权利人:AIR LIQUIDE; AIR LIQUIDE AMERICAN
摘要:Synthesis of tungsten pentahalide compositions having low impurity profiles are disclosed. The specific impurity profile permits deposition of high purity tungsten-containing films using vapor deposition processes or other semiconductor manufacturing processes without introduction of performance-impacting contaminants.

专利号:US-2024097109-A1
优先权日:2021-02-11
标 题:Bottom-Up, Scalable Synthesis Of Oxide-Based Sub-Nano And Nanofilaments And Nanofilament-Based Two-Dimensional Flakes And Mesoporous Powders
发明人：BARSOUM MICHEL W; BADR HUSSEIN OSAMA
权利人:UNIV DREXEL
摘要:Provided are methods to convert—through a bottom-up approach—binary and ternary titanium carbides, nitrides, borides, phosphides, aluminides, and silicides into lepidocrocitic nanofilaments that in some cases self-assemble into 2D flakes by immersing them in a quaternary ammonium solution at moderate temperatures. The resulting flakes can comprise nanofilaments in cross-section, some of which nanofilaments can be few microns long in some instances.

专利号:US-5479875-A
优先权日:1993-09-17
标题:Formation of highly oriented diamond film
发明人：TACHIBANA TAKESHI; SAITO KIMITSUGU; HAYASHI KAZUSHI; NISHIMURA KOZO; NAKAMURA RIE
权利人:KOBE STEEL LTD
摘要:A method of forming a highly oriented diamond film having a reduced thickness with a high quality at a low cost. Surface of a single crystal substrate is cleaned, and is then left in a high vacuum of 10-6 Torr or less at a temperature between room temperature and 800 DEG C. for 15 min for releasing gas molecules absorbed on the surface of the substrate. The surface of the substrate is then processed using carbon-containing plasma for forming a barrier of obstructing a carbon component within the substrate. After that, an electric field is applied across the substrate and plasma for allowing a current to flow thereacross for a specified time, to form nuclei of diamond for synthesis of a diamond film. Thus, highly oriented diamond particles or films, in which crystal orientations thereof are epitaxial to the substrate, are synthesized.

专利号:US-6200515-B1
优先权日:1999-08-13
标 题 :One-step synthesis and consolidation of nanophase materials
发明人：MUNIR ZUHAIR A; CHARLOT FREDERIC; BERNARD FREDERIC; GAFFET ERIC
权利人:CENTRE NAT RECH SCIENT; UNIV CALIFORNIA
摘要:Solid reaction products with a dense nanocrystalline structure are formed from reactant particles with diameters in the nano-scale range by compacting the particles into a green body, then passing an electric current through the body causing Joule heating sufficient to initiate the reaction to form the reaction product while simultaneously applying pressure to the reacting body to density it to a density approaching the theoretical density of the pure product. Surprisingly, this process results in a reaction product that retains the nanocrystalline structure of the starting materials, despite the fact that a reaction has occurred and the materials have been subjected to highly stringent conditions of electric current, heat and pressure.

专利号:US-2003211646-A1
优先权日:2001-09-20
标 题:Compositions and devices made by synthesis of layers, coatings or films using electrostatic fields

专利号:WO-03026023-A2
优先权日:2001-09-20
标题 :Synthesis of layers, coatings or films using pressure containment exerted on precursor layers