Apparatus and method for generating a chemical precursor
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F27B-015/08
F27B-015/00
출원번호
UP-0383642
(2006-05-16)
등록번호
US-7588736
(2009-09-24)
발명자
/ 주소
Chen, Ling
Ku, Vincent W.
Chung, Hua
Marcadal, Christophe
Ganguli, Seshadri
Lin, Jenny
Wu, Dien Yeh
Ouye, Alan
Chang, Mei
출원인 / 주소
Applied Materials, Inc.
대리인 / 주소
Patterson & Sheridan, LLP
인용정보
피인용 횟수 :
4인용 특허 :
184
초록▼
Embodiments of an apparatus for generating a chemical precursor used in a vapor deposition processing system are provide which include a canister having a sidewall, a top, and a bottom forming an interior volume which is in fluid communication with an inlet port and an outlet port. The canister cont
Embodiments of an apparatus for generating a chemical precursor used in a vapor deposition processing system are provide which include a canister having a sidewall, a top, and a bottom forming an interior volume which is in fluid communication with an inlet port and an outlet port. The canister contains a plurality of baffles that extend from the bottom to an upper portion of the interior volume and form an extended mean flow path between the inlet port and the outlet port. In one embodiment, the baffles are contained on a prefabricated insert positioned on the bottom of the canister. In one example, an inlet tube may extend from the inlet port into the interior region and be positioned substantially parallel to the baffles. An outlet end of the inlet tube may be adapted to direct a gas flow away from the outlet port, such as towards the sidewall or top of the canister.
대표청구항▼
The invention claimed is: 1. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister having a sidewall, a top, and a bottom providing an interior volume; a precursor material at least partially filling the interior volume of the canister
The invention claimed is: 1. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister having a sidewall, a top, and a bottom providing an interior volume; a precursor material at least partially filling the interior volume of the canister; an inlet port and an outlet port in fluid communication with the interior volume; and a plurality of silos within the interior volume, wherein the silos extend from the bottom and form an extended mean flow path between the inlet port and the outlet port. 2. The apparatus of claim 1, wherein the silos extend from the bottom of the canister to an upper portion of the interior volume. 3. The apparatus of claim 1, wherein the silos are baffles. 4. The apparatus of claim 3, wherein the baffles comprise of rectangular plates. 5. The apparatus of claim 3, wherein the baffles are a prefabricated insert positioned on the bottom of the canister. 6. The apparatus of claim 5, wherein the baffles extend into an upper portion of the interior volume. 7. The apparatus of claim 1, wherein an inlet tube extends from the inlet port into the canister. 8. The apparatus of claim 7, wherein the inlet tube extends from the inlet port to a lower region of the interior region. 9. The apparatus of claim 7, wherein the silos are positioned substantially parallel to the inlet tube. 10. The apparatus of claim 7, wherein the silos extend from the bottom of the canister to an upper portion of the interior volume. 11. The apparatus of claim 7, wherein the inlet tube comprises an outlet end within the interior region. 12. The apparatus of claim 11, wherein the outlet end is adapted to direct a gas flow towards the sidewall of the canister. 13. The apparatus of claim 11, wherein the outlet end is adapted to direct a gas flow towards the top of the canister. 14. The apparatus of claim 11, wherein the outlet end is adapted to direct a gas flow away from the outlet port. 15. The apparatus of claim 1, wherein a heater is coupled to the canister. 16. The apparatus of claim 15, wherein the heater is disposed proximate the sidewall of the canister, the top of the canister, the bottom of the canister, or combinations thereof. 17. The apparatus of claim 1, wherein the canister comprises a heat transfer medium within the interior volume. 18. The apparatus of claim 17, wherein the heat transfer medium is at least one of the silos. 19. The apparatus of claim 17, wherein the heat transfer medium is a plurality of solid particles at least partially filling the interior volume. 20. The apparatus of claim 19, wherein the solid particles are metal-containing particles. 21. The apparatus of claim 19, wherein the solid particles comprise a material selected from the group consisting of aluminum nitride, boron nitride, derivatives thereof, and combinations thereof. 22. The apparatus of claim 1, wherein the precursor material is a tantalum precursor. 23. The apparatus of claim 22, wherein the precursor material is pentakis(dimethylamido) tantalum. 24. The apparatus of claim 22, wherein the precursor material comprises chlorine impurities of less than 5 ppm. 25. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister having a sidewall, a top, and a bottom providing an interior volumes, wherein the canister comprises a plurality of solid particles at least partially filing the interior volume; an inlet port and an outlet port in fluid communication with the interior volume; an inlet tube extending from the inlet port into the canister; and a plurality of baffles within the interior volume, wherein the baffles extend from the bottom. 26. The apparatus of claim 25, wherein the baffles form an extended mean flow path between the inlet port and the outlet port. 27. The apparatus of claim 25, wherein the baffles comprise of rectangular plates. 28. The apparatus of claim 25, wherein the baffles are silos. 29. The apparatus of claim 28, wherein the silos extend from the bottom of the canister to an upper portion of the interior volume. 30. The apparatus of claim 25, wherein the baffles are a prefabricated insert positioned on the bottom of the canister. 31. The apparatus of claim 30, wherein the baffles extend into an upper portion of the interior volume. 32. The apparatus of claim 25, wherein the inlet tube extends from the inlet port to a lower region of the interior region. 33. The apparatus of claim 32, wherein the baffles are positioned substantially parallel to the inlet tube. 34. The apparatus of claim 32, wherein the inlet tube comprises an outlet end within the interior region. 35. The apparatus of claim 34, wherein the outlet end is adapted to direct a gas flow towards the sidewall of the canister. 36. The apparatus of claim 34, wherein the outlet end is adapted to direct a gas flow towards the top of the canister. 37. The apparatus of claim 34, wherein the outlet end is adapted to direct a gas flow away from the outlet port. 38. The apparatus of claim 25, wherein the solid particles are metal-containing particles. 39. The apparatus of claim 38, wherein the canister further contains a tantalum precursor. 40. The apparatus of claim 39, wherein the tantalum precursor is pentakis (dimethylamido) tantalum. 41. The apparatus of claim 39, wherein the tantalum precursor and metal-containing particles form a precursor mixture. 42. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister having a sidewall, a top, and a bottom providing an interior volume, wherein the canister comprises a plurality of solid particles at least partially filling the interior volume; an inlet port and an outlet port in fluid communication with the interior volume; an inlet tube extending from the inlet port into the canister; and a prefabricated insert positioned on the bottom of the canister and comprising a plurality of baffles. 43. The apparatus of claim 42, wherein the baffles form an extended mean flow path between the inlet port and the outlet port and extend from the bottom of the canister to an upper portion of the interior volume. 44. The apparatus of claim 42, wherein the solid particles are metal-containing particles. 45. The apparatus of claim 44, further comprising a tantalum precursor. 46. The apparatus of claim 45, wherein the tantalum precursor is pentakis(dimethylamido) tantalum. 47. The apparatus of claim 45, wherein the tantalum precursor and metal-containing particles form a precursor mixture. 48. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister containing an interior volume and having a bottom surface therein; an inlet port and an outlet port in fluid communication with the interior volume; an inlet tube extending from the inlet port into the canister; a plurality of baffles extending from the bottom surface; and a precursor mixture comprising a tantalum precursor and a plurality of metal-containing particles, wherein the precursor mixture at least partially fills the interior volume. 49. The apparatus of claim 48, wherein the tantalum precursor is pentakis(dimethylamido) tantalum. 50. An apparatus for generating a chemical precursor used in a vapor deposition processing system, comprising: a canister containing an interior volume and having a bottom surface therein; an inlet port and an outlet port in fluid communication with the interior volume; an inlet tube extending from the inlet port into the canister; a prefabricated insert positioned within the canister and comprising a plurality of baffles extending from the bottom surface; and a precursor mixture comprising a tantalum precursor and a plurality of metal-containing particles, wherein the precursor mixture at least partially fills the interior volume. 51. The apparatus of claim 50, wherein the tantalum precursor is pentakis(dimethylamido) tantalum.
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