Equipment and process for the preparation of electric conducting composite samples for the direct instrumental analysis of powders
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United States of America Patent
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Jan 9, 2001
Grant Date -
N/A
app pub date -
Jul 22, 1998
filing date -
Aug 7, 1997
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Equipment for the preparation of electric conducting composite samples by infiltration in a mold characterized in that it essentially comprises: a pressurization/infiltration chamber having at least one opening to connect it by means of appropriate tubes with a vacuum line and a pressure line and devices for sealing both under vacuum and under pressure; a sample-holder, inside said chamber, made of a material with a high thermal conductivity with one or more seats in each of which a mold is housed consisting of: a chemically inert and thermally stable tube made of a non-porous material; a plug, situated at one end of the tube, of a material which is different from the tube; a chemically inert and thermally stable spacer of non-porous material, situated inside the tube in contact with the plug; a device for creating a vacuum in the chamber; a device for pressurizing the chamber; a device for the thermal treatment of the sample-holder.
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