Precious metal powder prodn. esp. for screen printing paste

A method of producing precious metal (esp. Pd, Ag or Pd-Ag alloy) powders involves feeding an aerosol of a precious metal cpd. soln. into a flame reactor at above the decomposition temp. of the precious metal cpd. or oxide and depositing the resulting precious metal powder. The novelty is that, prio...

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Bibliographische Detailangaben
Hauptverfasser:	STARZ, KARL-ANTON., 63517 RODENBACH, DE, HARTMANN, WERNER., 64832 BABENHAUSEN, DE, JACOBSEN, HAUKE., 63486 BRUCHKOEBEL, DE, KATUSIC, STIPAN, 65779 KELKHEIM, DE
Format:	Patent
Sprache:	eng ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS CAPACITORS CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE CASTING ELECTRICITY MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER PERFORMING OPERATIONS POWDER METALLURGY TRANSPORTING WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	A method of producing precious metal (esp. Pd, Ag or Pd-Ag alloy) powders involves feeding an aerosol of a precious metal cpd. soln. into a flame reactor at above the decomposition temp. of the precious metal cpd. or oxide and depositing the resulting precious metal powder. The novelty is that, prior to feeding into the reactor, the aerosol is freed from (most of) the solvent at above the solvent boiling point, pref. by heat treatment at 10-100 deg C above the solvent boiling point for 2-20 secs. immediately before feeding into the reactor.