TREATING SUBSTRATES BY PRODUCING AND CONTROLLING A CRYOGENIC AEROSOL

A substrate may be treated by impinging the substrate with a cryogenic aerosol spray wherein the cryogenic aerosol spray is formed by expanding a pressurized liquid or liquid/gaseous stream of one or more cryogens through a nozzle at a given distance from the substrate into a process chamber with a...

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Bibliographische Detailangaben
Hauptverfasser:	PATRIN, JOHN, C, HEITZINGER, JOHN, M
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING CLEANING CLEANING IN GENERAL COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT PERFORMING OPERATIONS PREVENTION OF FOULING IN GENERAL REFRIGERATION OR COOLING REFRIGERATORS SEMICONDUCTOR DEVICES TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	A substrate may be treated by impinging the substrate with a cryogenic aerosol spray wherein the cryogenic aerosol spray is formed by expanding a pressurized liquid or liquid/gaseous stream of one or more cryogens through a nozzle at a given distance from the substrate into a process chamber with a pressure of about 1.6x104 Pascal or less so as to form at least substantially solid aerosol particles of said one or more cryogens downstream from the nozzle by the cooling resulting from the expansion and/or evaporation to form an at least substantially solid particle containing aerosol.