Patent ID: 6491518
Filing Date: 2002-12-10
Classification: C30B,H01L

Abstract:
A high-temperature and high-pressure treatment apparatus suitable for treating substrates in a high-temperature and high-pressure gas atmosphere, said apparatus comprising:a pressure vessel; a treating chamber defined within said pressure vessel; a gas passage defined in a portion of said pressure vessel for introducing a high pressure gas into said pressure vessel; a heater provided within said treating chamber of said pressure vessel; and a supporting jig configured for supporting a plurality of the substrates in a shelved arrangement within said treating chamber, said supporting jig being insertable and removable from said treating chamber together with the substrates, wherein said pressure vessel is provided with an opening for allowing the plurality of the substrates to be inserted and removed from said pressure vessel by movement of said supporting jig, said opening being covered by a cover made of an airtight material, and said cover being configured to allow a gas to selectively flow into or out of an inner side of said cover; and wherein said supporting jig has a cylindrical shape and is provided with at least one opening in a cylindrical wall portion thereof, and said supporting jig is further provided with at least one oxygen getter member that is disposed at one of a top portion and a bottom portion thereof.