WO2004007797A1 - 成膜装置 - Google Patents
成膜装置 Download PDFInfo
- Publication number
- WO2004007797A1 WO2004007797A1 PCT/JP2003/008800 JP0308800W WO2004007797A1 WO 2004007797 A1 WO2004007797 A1 WO 2004007797A1 JP 0308800 W JP0308800 W JP 0308800W WO 2004007797 A1 WO2004007797 A1 WO 2004007797A1
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- WO
- WIPO (PCT)
- Prior art keywords
- raw material
- film forming
- material supply
- source gas
- forming apparatus
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45561—Gas plumbing upstream of the reaction chamber
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/06—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material
- C23C16/16—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the deposition of metallic material from metal carbonyl compounds
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4412—Details relating to the exhausts, e.g. pumps, filters, scrubbers, particle traps
Definitions
- the present invention generally relates to a semiconductor manufacturing apparatus, and more particularly, to a semiconductor manufacturing apparatus capable of improving a film forming speed particularly in a film forming process using a material having a low vapor pressure.
- a raw material supply line 30 for supplying a source gas to the processing vessel 120 'of the semiconductor manufacturing apparatus is provided with a pre-flow line 33, which bypasses the processing vessel 120'. I have.
- the source gas before film formation is passed through the pre-flow line 33 'by switching the valve 26 to stabilize the flow rate, and then the valve 26 is further switched to switch the semiconductor.
- Source gas is supplied to the processing container 120 of the manufacturing equipment.
- a liquid raw material or a solid raw material is heated, or a liquid raw material remains liquid and a solid raw material is converted into a solvent.
- the dissolved and liquid state is transported to a vaporizer beside the processing tank 5, where it is degassed by the gas ft and then introduced into the processing container.
- the vapor pressure of the raw materials used is low, such as If a sufficient amount of gas cannot be obtained, the raw material is transferred to the processing vessel 120 using a carrier gas.
- a carrier gas In order to increase the flow rate of the source gas when using such a raw material having a low vapor pressure, it is necessary to increase the vapor pressure by heating the raw material and to promote the vaporization of the raw material by using a raw material container. Is required. For this reason, as shown in Fig. 5, turbo exhaust pumps 14 and (TMP) and dry pumps 16 and (DP) are provided in the exhaust line 32 of the conventional semiconductor manufacturing equipment.
- TMP turbo exhaust pumps 14 and
- DP dry pumps
- the amount of the raw materials used is low and the piping generally used in this field is used.
- the inner diameter of the tube was as small as 1/4 inch, and there was a limit to increasing the flow rate of the source gas.
- the piping diameter is too small, the pressure loss in the difficult supply line 30 ′ is large, which hinders efficient decompression of the raw material container 10, and thus hinders efficient vaporization of the raw material. I got a point.
- the conventional preflow line 33 bypasses the turbo molecular pump 14, and the piping diameter of the preflow line 33 is generally the same as that of the raw material supply line. Since the pipe diameter is less than 30, the conditions such as the pressure in the raw material container 10 ′ are different between the pre-flow line 33, during distribution and during film formation. Therefore, even if the flow rate is stabilized by flowing the source gas through the preflow line 33 before the film forming process, the problem is that the flow rate is not substantially stabilized. there were.
- a raw material container for storing a raw material for generating a source gas, a film forming chamber for performing a film forming process on a semiconductor substrate, A source supply path for supplying the source gas to the film chamber; and a separation / separation system having a vacuum pump system and an exhaust passage for exhausting the film formation chamber, wherein the source supply path is , Characterized by including a pipe having an inner diameter larger than 6.4 mm.
- a raw material container for storing a raw material for generating a source gas, a film forming chamber for performing a film forming process on a semiconductor substrate, and a film forming chamber from the raw material container to the film forming chamber
- a pre-flow channel that joins the flow channel.
- the preflow channel may join the exhaust channel on the upstream side of the turbo-molecular pump.
- the vacuum pump system of the exhaust flow path can be used when the preflow flow path is used, so the second turbo molecular pump is not provided in one preflow port flow path, and the inside of the raw material container when the preflow flow path is used is not required. It is possible to reduce the difference between this pressure and the pressure in the raw material container during the actual film forming process.
- a raw material container for storing a raw material for generating a source gas, a film forming chamber for performing a film forming process on a semiconductor substrate, A source supply path for supplying the source gas to the chamber, an exhaust flow path for exhausting the film formation chamber having a vacuum pump system including a turbo molecular pump and a dry pump, and A pre-flow channel that branches and joins the exhaust channel,
- a film forming apparatus is characterized in that the pipe diameter of the preflow channel is increased to reduce the pressure difference.
- the valve provided in the pre-flow one flow path and / or the raw material supply path preferably has a conductance of 1.5 or more. It is particularly preferable that all valves provided in the pre-flow passage and the above-mentioned raw material supply passage have CV values. Has conductance of 1.5 or more.
- the raw material supply path preferably includes a pipe having an inner diameter larger than 6.4 mm in a range of at least 80% of the entire length.
- the raw material supply path is configured such that a pressure difference between the pressure of the raw material container and the film forming chamber during the film forming process is smaller than 2000 Pa.
- the raw material supply path preferably includes a pipe having an inner diameter of about 16 mm or more.
- a source gas generated from a raw material having a vapor pressure lower than 133 Pa at the vaporization temperature may flow through the raw material supply path.
- the raw material may be W (CO) 6 .
- the film forming chamber is preferably maintained at a pressure smaller than 665 Pa by the vacuum pump system during the film forming process.
- FIG. 1 is a cross-sectional view schematically showing a configuration of a CVD film forming apparatus 100.
- FIG. 2 is a diagram schematically showing a configuration of a power supply apparatus 200 according to the first embodiment of the present invention.
- FIGS. 3A and 3B are diagrams schematically showing a configuration of a raw material supply device 200 according to the second embodiment of the present invention.
- Fig. 4 is a table comparing the difference between the pressure of the processing vessel and the pressure of the raw material vessel based on the difference in the pipe diameter.
- FIG. 5 is a diagram schematically showing a configuration of a conventional semiconductor manufacturing apparatus. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a sectional view schematically showing a configuration of a CVD film forming apparatus 100 according to a first embodiment of the present invention.
- this CVD film forming apparatus 100 is provided with a processing container 120 having an airtight structure and a central portion in the processing container 120, and holds a semiconductor substrate 101.
- Heating element 1 3 2 buried with heating element 1 3 2 is connected to mounting table 1 3 0
- FIG. 2 shows the configuration of the raw material supply device 200 according to the first embodiment of the present invention.
- a r, K r, carrier gas composed of an inert gas such as N 2 H e is supplied via the mass flow U control device to the source container 1 0 (MF C) 1 2 You.
- This mass flow Nada U control device 12 controls the flow * ⁇ U of the carrier gas supplied to the raw material container 10.
- the raw material container 10 contains a liquid raw material or a solid raw material used for film formation.
- the source gas is generated by vaporizing the raw material by publishing or the like with the raw material 110, and is conveyed to the CVD film forming apparatus 100 through the raw supply line 30 by the carrier gas.
- a pressure gauge 18 for detecting the pressure in the raw material container 10 is provided near the outlet of the raw material container 10 in the raw material supply line 30.
- the feed line 30 is provided with a pre-flow line 33 for pinching the CVD film forming apparatus 100 after the source container 10.
- the preflow line 33 is supplied with a carrier gas containing a source gas from a raw material supply line 30 (hereinafter, this gas is referred to as “mixed gas”).
- the mixed gas is selectively supplied to the preflow line 33 or the raw material supply line 30 leading to the CVD film forming apparatus 100 by opening and closing the valves 26 and 27.
- the preflow line 33 is a gas flow path for stabilizing the flow rate of the mixed gas supplied to the CVD film forming apparatus 100 during film formation. Therefore, the mixed gas is supplied to the preflow line 33 before the semiconductor substrates 101 are processed one by one.
- the raw material supply line 30 from the branch point B to the pre-flow line 33 to the CVD film forming apparatus 100 is cleaned in the processing vessel 120 after the formation of each gas used for film formation.
- a gas line for supplying cleansing gas and the like is connected via a valve. Note that these gases are introduced into the processing vessel 120 while the mixed gas flows through the preflow line 33 (that is, when the pulp 26 is closed and the knob 27 is open). May be.
- An exhaust line 32 for exhausting reaction gas and the like from the CVD film forming apparatus 100 is provided with a turbo molecular pump (TMP) 14 and a dry pump (DP) 16 in the downstream. . These pumps 14 and 16 maintain the inside of the processing container 120 at a predetermined vacuum.
- TMP turbo molecular pump
- DP dry pump
- the turbo-molecular pump 14 can cooperate with the dry pump 16 to reduce the pressure in the processing vessel 120 to a high vacuum of, for example, l Torr (133 P a) or less. dimethylaluminum hydride), R u C p 2 (bis cyclopentadienyl Jefferies two Noreruteniumu), W (CO) 6 to (Kisakarubo - is a particular need in the film forming processing using Rutandasute down) low vapor pressure of the material, such as You.
- a preflow line 33 is joined to the air line 32 on the upstream side of the dry pump 16. Therefore, the raw material container 10 is depressurized by the dry pump 16 while the mixed gas is flowing through the preflow line 33. On the other hand, during film formation, the pressure of the raw material container 10 is reduced by the dry pump 16 and the turbo molecular pump 14.
- the flow rate of the source gas contained in the mixed gas supplied to the CVD film forming apparatus 100 By the way, in order to improve the film forming rate, it is necessary to increase the flow rate of the source gas contained in the mixed gas supplied to the CVD film forming apparatus 100.
- the flow rate of the source gas increases as the flow rate of the carrier gas and the temperature of the raw material container 10 increase, and decreases as the pressure in the raw material container 10 increases. Therefore, in order to increase the flow rate of the source gas, it is necessary to reduce the pressure in the raw material container 10 as much as possible.
- the raw material container 10 is depressurized by the turbo molecular pump 14 or the like via the processing container 120 and the raw material supply line 30.
- the turbo molecular pump 14 In order to increase the gas flow rate, it is necessary to reduce the pressure loss in the flow path from the turbo molecular pump 14 to the raw material container 10 as much as possible.
- the flow rate of the source gas is proportional to the flow rate of the carrier gas, it is possible to increase the flow rate of the carrier gas in order to increase the flow rate of the source gas.
- the conductance is low, and the above-mentioned pressure reduction increases the flow rate of the carrier gas (and the flow rate of the source gas). There are limits to what you can do.
- W (CO) 6 has a vapor pressure of 3.99 Pa (0.03 To rr) at 25 ° C and a vapor pressure of 6.65 at 30 ° C. It has a vapor pressure of 33.25 Pa (0.25 Torr) at Pa (0.05 Torr) and 45 ° C. It is very difficult to increase the flow rate of ⁇ ⁇ source gas using such a low-vapor raw material.
- the feed line 30 is larger than 1/4 inch (about 6.4 mm) in order to increase the flow rate of the carrier gas (and the flow rate of the source gas associated therewith). It has a pipe diameter of, for example, 1Z2 inches (about 13mm) or 34 inches (about 19mm).
- the range of the source feed line 30 having a pipe diameter larger than 1Z4 inches is preferably from 10 raw material containers to 120 processing containers. That is, the raw material supply line 30 through which the source gas power S flows is preferably constituted by a pipe having the same inner diameter continuously to the processing vessel 120.
- the raw material supply line 30 may be constituted by pipes having different inner diameters.
- a short distance from the outlet force of the raw material container 10 a piping force S having an inner diameter of 1/2 inch is used, and 3 Z4 inch is used in most of the range from the raw material container 10 to the processing container 120. Piping is used.
- valves 25 and 27 that may be provided in the difficult supply line 30 preferably have the same diameter as the inner diameter of the raw material supply line 30, but as in the case of the valve 25 shown in FIG.
- a commonly used 38 inch inner diameter may be used.
- the entire length of the raw FW supply line 30 may be set as short as possible in order to increase the flow rate of the mixed gas while increasing the energy loss of the mixed gas.
- the feed line 30 shown in FIG. 2 is formed of 3/4 inch piping with a total length of 1000 mm except for a piping having an inner diameter of 1/2 inch.
- the raw material supply device 200 of the above-described embodiment has a single raw material supply line 30, a plurality of types corresponding to ⁇ , such as when a plurality of types of source gases are used, are used. May have a supply line for To do this, transport the atmospheric pressure raw material.
- the emergency supply line for feeding is composed of piping with an inner diameter larger than 1 Z4 inch, and the emergency supply line for transporting relatively high-level, steam-ffilied raw materials is a pipe with an inner diameter of 1 Z4 inch as usual. May be used.
- the flow rate of the fluid flowing through the pipe increases in proportion to the fourth power of the inner diameter of the pipe, so that the flow rate of the source gas introduced into the processing vessel 120 Can be dramatically increased.
- the pressure loss in the source and supply lines 30 of the mixed gas is reduced with an increase in the piping diameter of the source and supply lines 30, the turbo molecule required to lower the pressure in the source container 10 is reduced.
- the work of the pump 14 can be reduced.
- the pressure loss in the raw material supply line 30 is small, the flow rate of the source gas introduced into the processing container 120 is further increased.
- a film formation process is performed using a low vapor pressure raw material such as W (CO) 6 : ⁇
- the pressure in the raw material container 10 is increased by a turbo molecular pump 14 to increase the flow rate of the source gas. It may be maintained at a high vacuum of Torr (266 Pa) or less.
- Torr 266 Pa
- the raw hydrogen supply device 2.00 according to the second embodiment of the present invention described below has the above disadvantages by improving the preflow line 33 of the raw material supply device 200 according to the first embodiment described above. Is to be eliminated.
- FIG. 3A shows a configuration of a raw material supply device 200 according to the second embodiment of the present invention.
- the second turbo molecular pump 15 is provided in the preflow line 33 of the raw material
- the pressure in the raw material container 10 may be maintained at a vacuum of 2 Torr (266 Pa) or less during the film forming process using a low vapor pressure raw material such as W (CO) 6. Even when a certain force preflow line 33 is used, the high vacuum can be realized by the second turbo molecular pump 15. Therefore, fluctuations in the pressure in the source container 10 that cause fluctuations in the flow rate of the source gas are suppressed, so that it is possible to perform stable film formation processing without fluctuations in the flow rate of the source gas during film formation. Become.
- the pre-flow line 33 preferably reduces the pressure loss difference of the mixed gas between the film forming process and the pre-flow line circulation. It has the same or larger thickness as 0 and the pipe diameter.
- the pressure in the raw material container 10 when the mixed gas flows through the preflow line 33 is increased.
- the pressure in the raw material container 10 during the membrane treatment may be substantially the same.
- the flow rate of the source gas when flowing through the preflow line 33 can be made substantially the same as the flow rate during the film forming process.
- FIG. 3B shows a modification of the power supply apparatus 200 according to the second embodiment of the present invention.
- the preflow line 33 is not provided with the second turbo molecular pump 15, and instead, the preflow line 33 is connected to the exhaust line 32 by the turbo molecular pump 14. They merge on the upstream side.
- the raw material container 1 0 will be decompressed by Doraipo pump 1 6 and the turbo molecular pump 1 4.
- the flow rate of the source gas when flowing through the preflow line 33 and the flow rate of the source gas introduced into the processing vessel 120 are different.
- the difference can be greatly reduced. Accordingly, the change in the flow rate of the source gas when switching from the preflow line 33 to the raw material supply line 30 is extremely small, and a stable film forming process can be performed without a change in the flow rate of the source gas during the film formation. .
- the work amount of the turbo molecular pump 14 in the exhaust line 32 may be changed and adjusted before and after the switching so that the fluctuation of the flow rate of the source gas before and after the switching by the three-way valve 26 is minimized.
- the preflow line 33 may have the same or larger piping diameter as the raw material supply line 30 in order to reduce the pressure loss difference of the mixed gas between the time of the film forming process and the time of the flow of the preflow line. .
- valves 26 and 27 as in the above-described first embodiment may be used instead of the three-way valve 26.
- the valves 25, 26, 27 provided in the raw material supply line 30 and the preflow line 33 (that is, the raw material Each valve provided in the flow path from the container 10 to the turbo molecular pump) is preferably: A good conductance with a value of 1.5 or more is used. Thereby, the pressure loss at each valve is reduced, and the above-described effects can be further enhanced.
- Cv value of the valve, the primary side (the side closer to the raw material container 10) absolute pressure [kgf ⁇ cm 3 abs] (the side closer to the processing chamber 120) is the secondary side absolute pressure P 2 [kgf ⁇ cm 3 abs ]
- C v QgZ40 6 X ⁇ Gg (273+ t) / (P ⁇ PP 2 ⁇ 1/2 , so that ⁇ ⁇ 2 ⁇ 2
- t [° C] is the gas temperature
- Qg [N m 2 / h] represents the gas flow rate under standard conditions (15 ° C, 76 OmmHg abs)
- Gg represents the specific gravity of the gas when air is set to 1.
- the inventors compared the difference between the pressure in the processing container 120 and the pressure in the raw material container 10 with the difference in the pipe diameter in connection with the first embodiment described above, and obtained the results shown in FIG. .
- the pressure in the processing vessel 120 is set to 13.3 Pa (0.1 lTo rr). At this time, the pressure in the raw material container 10 is reduced to 79.8 Pa (0, 6 To rr).
- W (CO) 6 shows a vapor pressure of 3.99 Pa (0. 03 Torr) at 25 ° C and a vapor pressure of 33.25 Pa (0.25 Torr) at 45 ° C.
- a low vapor pressure raw material such as (hexacarbol tungsten) is used, the inside of the processing vessel 120 is sufficiently depressurized, so that a sufficient flow rate of the source gas can be obtained.
- the pressure in the processing vessel 120 when the pressure in the processing vessel 120 is set to 66.6 Pa (0.5 To rr) when using a pipe having an inner diameter of 1 to 4 inches, the pressure in the raw material vessel 10 becomes 2660 Pa ( 2 OTo rr). In contrast, in the case of a pipe having an inner diameter of 3 to 4 inches, when the pressure in the processing vessel 120 is 66.6 Pa (0.5 To rr), the pressure in the raw material vessel 10 is 372 Pa (2. When the pressure in the processing vessel 120 is 133 Pa (lTo rr), the pressure in the raw material vessel 10 is 1051 to 1596. P a (7.9 to 12 To rr).
- the difference between the pressure in the processing vessel 120 and the pressure in the raw material container 10 is at least 1995 Pa (15 To rr) or more when the inner diameter of the raw material supply line 30 is 1/4 inch.
- the pressure drop is at most 1995 Pa (15 To rr) or less, and the pressure loss due to the raw material supply line 30 is greatly reduced.
- a W film was formed by thermal CVD using W (CO) 6 as a raw material by using a 2 m long pipe with an inner diameter of 1/4 inch in the raw material supply line 30.
- a tungsten film was formed, and the specific resistance of the tungsten film was 54 uohmcm.
- a tungsten film was formed at a deposition rate of 40 A / min by using a 2 m long pipe with an inner diameter of 1Z 2 inches in the raw material supply line 30, and a ratio of the tungsten film was determined.
- the resistance was 40 uo hm cm.
- a tungsten film was formed at a deposition rate of 300 A / min by using a 1 m long pipe with an inner diameter of 3Z4 inches in the raw material supply line 30, and the specific resistance of the tungsten film was 45 uo hm cm.
- the fluctuation of the pressure in the raw material container 10 causing the fluctuation of the flow rate of the source gas was compared.
- a mixed gas was passed through a pre-flow line 33 having a conventional configuration shown in FIG. 5 before a film forming process, and the pressure in the raw material container 10 was detected by a pressure gauge 18.
- the valve 26 was switched to allow the mixed gas to flow through the raw material supply line 30 communicating with the processing container 120, and the pressure in the raw material container 10 was detected by the pressure gauge 18.
- the conductance of the raw material supply path is increased, so that the flow rate of the source gas introduced into the film formation chamber can be drastically reduced.
- the pressure loss in the raw material supply path (corresponding to the pressure difference between the raw material container and the film forming chamber during the film forming process) is reduced by the increase in the inner diameter of the pipe.
- the pressure in the container can be efficiently reduced.
- the reduction of the pressure loss in the raw material supply path also contributes to the increase in the amount of vaporized raw material introduced into the film formation chamber. As a result, the deposition rate is dramatically improved, and the throughput can be dramatically improved. '
- the difference between the pressure in the source container when the preflow channel is used and the pressure in the source container during the actual film forming process can be significantly reduced. it can.
- the flow rate of the source gas is prevented from fluctuating during the film formation process, and high-quality film formation using a stable flow rate of the source gas can be realized.
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Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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KR1020057000404A KR100710929B1 (ko) | 2002-07-10 | 2003-07-10 | 성막 장치 |
JP2004521179A JP4365785B2 (ja) | 2002-07-10 | 2003-07-10 | 成膜装置 |
AU2003280994A AU2003280994A1 (en) | 2002-07-10 | 2003-07-10 | Film forming apparatus |
US11/030,899 US20050120955A1 (en) | 2002-07-10 | 2005-01-10 | Film forming apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2002-201533 | 2002-07-10 | ||
JP2002201533 | 2002-07-10 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/030,899 Continuation US20050120955A1 (en) | 2002-07-10 | 2005-01-10 | Film forming apparatus |
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WO2004007797A1 true WO2004007797A1 (ja) | 2004-01-22 |
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PCT/JP2003/008800 WO2004007797A1 (ja) | 2002-07-10 | 2003-07-10 | 成膜装置 |
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US (1) | US20050120955A1 (ja) |
JP (1) | JP4365785B2 (ja) |
KR (1) | KR100710929B1 (ja) |
CN (1) | CN100390317C (ja) |
AU (1) | AU2003280994A1 (ja) |
TW (1) | TWI229886B (ja) |
WO (1) | WO2004007797A1 (ja) |
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JP2005256058A (ja) * | 2004-03-10 | 2005-09-22 | Tosoh Corp | イリジウム含有膜形成材料およびイリジウム含有膜製造方法 |
WO2009041397A1 (ja) * | 2007-09-28 | 2009-04-02 | Tokyo Electron Limited | 原料ガスの供給システム及び成膜装置 |
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US7037376B2 (en) * | 2003-04-11 | 2006-05-02 | Applied Materials Inc. | Backflush chamber clean |
CN100494764C (zh) * | 2006-07-27 | 2009-06-03 | 上海宏力半导体制造有限公司 | 用于与高密度等离子机台的工艺腔体连接的气体管路装置 |
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Also Published As
Publication number | Publication date |
---|---|
US20050120955A1 (en) | 2005-06-09 |
TWI229886B (en) | 2005-03-21 |
JP4365785B2 (ja) | 2009-11-18 |
CN1650045A (zh) | 2005-08-03 |
JPWO2004007797A1 (ja) | 2005-11-10 |
KR20050021450A (ko) | 2005-03-07 |
AU2003280994A1 (en) | 2004-02-02 |
KR100710929B1 (ko) | 2007-04-23 |
CN100390317C (zh) | 2008-05-28 |
TW200409175A (en) | 2004-06-01 |
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