Method and apparatus to help promote contact of gas with vaporized material
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B01F-003/04
F17C-003/00
C23C-016/448
출원번호
US-0862412
(2013-04-13)
등록번호
US-9004462
(2015-04-14)
발명자
/ 주소
Gregg, John N.
Battle, Scott L.
Banton, Jeffrey I.
Naito, Donn K.
Laxman, Ravi K.
출원인 / 주소
Entegris, Inc.
대리인 / 주소
Hultquist, PLLC
인용정보
피인용 횟수 :
1인용 특허 :
80
초록▼
Vaporizable material is supported within a vessel to promote contact of an introduced gas with the vaporizable material, and produce a product gas including vaporized material. A heating element supplies heat to a wall of the vessel to heat vaporizable material disposed therein. The vessel may compr
Vaporizable material is supported within a vessel to promote contact of an introduced gas with the vaporizable material, and produce a product gas including vaporized material. A heating element supplies heat to a wall of the vessel to heat vaporizable material disposed therein. The vessel may comprise an ampoule having a removable top. Multiple containers defining multiple material support surfaces may be stacked disposed within a vessel in thermal communication with the vessel. A tube may be disposed within the vessel and coupled to a gas inlet. Filters, flow meters, and level sensors may be further provided. Product gas resulting from contact of introduced gas with vaporized material may be delivered to atomic layer deposition (ALD) or similar process equipment. At least a portion of source material including a solid may be dissolved in a solvent, followed by removal of solvent to yield source material (e.g., a metal complex) disposed within the vaporizer.
대표청구항▼
1. An apparatus for delivering vaporized source material, the apparatus comprising: a container having an interior region bounded by one or more container sidewalls, a lid, and a bottom surface;a plurality of passages, wherein the plurality of passages include an inlet configured for the introductio
1. An apparatus for delivering vaporized source material, the apparatus comprising: a container having an interior region bounded by one or more container sidewalls, a lid, and a bottom surface;a plurality of passages, wherein the plurality of passages include an inlet configured for the introduction of a carrier gas into the container and an outlet configured for the delivery of gas from the container, and wherein the inlet and outlet are in the lid;a tube extending from one of the plurality of passages to an end;one or more holders coupled to the tube and positioned between the inlet and the outlet of the plurality of passages, wherein the one or more holders have a surface configured to support a source material and having a perimeter and a plurality of passageways extending through the surface, wherein the one or more holders are in thermal contact with the one or more container sidewalls of the interior region, wherein the one or more holders have one or more sidewalls extending around at least a portion of the perimeter of the surface, and wherein the one or more sidewalls of the one or more holders are in thermal contact with the container. 2. An apparatus for delivering vaporized source material, the apparatus comprising: a container having an interior region bounded by one or more container sidewalls;a plurality of passages, wherein the plurality of passages include an inlet configured for the introduction of a carrier gas into the container and an outlet configured for the delivery of gas from the container;a tube extending from one of the plurality of passages to an end;one or more holders coupled to the tube and positioned between the inlet and the outlet of the plurality of passages, wherein the one or more holders have a surface configured to support a source material and having a perimeter and a plurality of passageways extending through the surface, wherein the one or more holders are in thermal contact with the one or more container sidewalls of the interior region, wherein the one or more holders have one or more sidewalls extending around at least a portion of the perimeter of the surface such that the one or more sidewalls extend from the surface of a holder to a surface of a superjacent holder, and wherein the one or more sidewalls of the one or more holders are in thermal contact with the one or more container sidewalls of the interior region. 3. The apparatus of claim 1, wherein at least one of the one or more holders is positioned over the bottom surface of the interior region of the container. 4. The apparatus of claim 3, wherein at least one of the one or more holders is positioned above the bottom surface of the interior region of the container. 5. The apparatus of claim 4, wherein a plurality of holders are positioned in a stack within the interior region of the container. 6. The apparatus of claim 1, wherein the one or more holders are coupled to the tube via an O-ring. 7. The apparatus of claim 1, wherein the lid is configured to seal the container. 8. The apparatus of claim 1, wherein the container is in the form of a cylinder. 9. The apparatus of claim 1, wherein the one or more holders are comprised of one or more metals. 10. The apparatus of claim 9, wherein the one or more metals include one or more of stainless steel, aluminum, aluminum alloys, copper, copper alloys, silver, silver alloys, lead, nickel clad, graphite, ceramic material, hastelloy, inconel, and monel. 11. The apparatus of claim 1, wherein the one or more holders are comprised of one or more polymers. 12. The apparatus of claim 1, wherein the surface of the one or more holders is generally planar. 13. The apparatus of claim 1, wherein the plurality of passageways are arranged in a regular pattern. 14. The apparatus of claim 13, wherein the plurality of passageways are arranged in one or more concentric circles. 15. The apparatus of claim 1, further comprising a baffle or diffuser coupled to the end of the tube. 16. The apparatus of claim 1, wherein the container has a cylindrical sidewall and the tube is coaxial with the cylindrical sidewall of the container.
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