FIELD: niobium powder for manufacture of capacitors of high specific capacitance.
SUBSTANCE: proposed niobium powder includes at least one element of group containing chromium, molybdenum, tungsten, boron, aluminum, gallium, indium, thallium, cerium, neodymium, titanium, rhenium, ruthenium, rhodium, palladium, silver, zinc, silicon, germanium, tin, phosphorus, arsenic, bismuth, rubidium, cesium, magnesium, strontium, barium, scandium, yttrium, lanthanum, praseodymium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, hafnium, vanadium, osmium, iridium, platinum, gold, cadmium, mercury, lead, selenium and tellurium; sintered material is made from niobium powder; capacitor includes sintered material as one electrode, dielectric material formed on surface of sintered material and counter-electrode located on dielectric material.
EFFECT: enhanced heat stability of capacitor and high capacitance per unit of mass at low leakage current.
48 cl, 29 tbl, 231 ex
