Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1994-04-04
1996-12-03
Lieberman, Paul
Compositions
Electrically conductive or emissive compositions
Metal compound containing
423624, 502355, C01G 1500, H01B 108
Patent
active
055804969
ABSTRACT:
Disclosed are a powder of indium-tin oxide aciculae suitable as an electroconductive filler for an electroconductive ink to be used for forming a transparent electroconductive film, a method for producing a raw material to be used for producing the powder of indium-tin oxide aciculae, which has a major diameter of 5 .mu.m or more and a ratio of the major diameter to the minor diameter of 5 or more, an electroconductive paste capable of forming a light-transmitting electroconductive film having sufficient electroconductivity and light transmittance by printing, such as screen-printing, followed by high-temperature baking, and a light-transmitting electroconductive film to be formed from the paste. The raw material is produced by heating and concentrating an aqueous solution containing indium ions and nitrato ions to form a high-viscosity slurry followed by separating a powder of aciculae from the slurry. By calcining the raw material, a powder of indium-tin oxide aciculae is produced.
REFERENCES:
patent: 3579310 (1971-05-01), Lewis et al.
Kojima Morikazu
Usuba Mitsuo
Yukinobu Masaya
Delcotto Gregory R.
Lieberman Paul
Sumitomo Metal Mining Company Limited
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