zirconium hafnium inventioncurrently

  • US Patent 6,586,344. Precursors for …

    Precursors for zirconium and hafnium oxide thin film deposition Abstract. A method of making a precursor for a thin film formed by chemical vapor deposition processes ...

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  • Patent US6586344 Precursors for …

    BACKGROUND OF THE INVENTION. Currently, zirconium and hafnium precursors used for ... a method for compounding precursors for zirconium and hafnium oxide thin film ...

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  • Hafnium Wikipedia

    Hafnium is a chemical element with symbol Hf and atomic number 72. A lustrous, silvery gray, tetravalent transition metal, hafnium chemically resembles zirconium and ...

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  • Patent US20060062910 Low zirconium, …

    This invention relates to hafniumcontaining compositions having a zirconium concentration of less than about 500 parts per million, a process for producing the ...

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  • Hafnium tetrachloride Wikipedia

    Hafnium(IV) chloride is the inorganic compound with the formula HfCl 4. This colourless solid is the precursor to most hafnium organometallic compounds.

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  • Precursors for zirconium and hafnium oxide …

    Precursors for zirconium and hafnium oxide thin film deposition ... Invention. Currently, zirconium and hafnium ... precursors for zirconium and hafnium ...

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  • Obtaining of HighPurity Titanium, Zirconium, and Hafnium ...

    Obtaining of High Purity Titanium, Zirconium, and Hafnium by the Method of Iodide Refining in Industrial Conditions M. L. Kotsar’a, O. G. Morenkob, M. G. Shtutsab, S. G ...

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  • Patent US6472337 Precursors for …

    ... where Z is an element taken from the group of elements consisting of hafnium and zirconium; refluxing the solution for twelve hours in an argon atmosphere; ...

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  • Zirconium and Hafnium Industry_2014 Deep …

    Zirconium and Hafnium Industry International Market Analysis 13 Zirconium International Market Development History 13 Zirconium and Hafnium Product and ...

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  • hafnium (Hf) | chemical element | …

    Hafnium (Hf), chemical element (atomic number 72), metal of Group 4 (IVb) of the periodic table. It is a ductile metal with a brilliant silvery lustre.

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