WO2005004228A1 - 処理装置 - Google Patents
処理装置 Download PDFInfo
- Publication number
- WO2005004228A1 WO2005004228A1 PCT/JP2004/009152 JP2004009152W WO2005004228A1 WO 2005004228 A1 WO2005004228 A1 WO 2005004228A1 JP 2004009152 W JP2004009152 W JP 2004009152W WO 2005004228 A1 WO2005004228 A1 WO 2005004228A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- opening
- carrier
- door mechanism
- lid
- closing
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/677—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations
- H01L21/67763—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading
- H01L21/67772—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for conveying, e.g. between different workstations the wafers being stored in a carrier, involving loading and unloading involving removal of lid, door, cover
Definitions
- the present invention relates to, for example, a processing apparatus that takes out an object to be processed from a closed storage container and performs a predetermined process.
- the loading / unloading area where the carrier, which is a storage container for storing a plurality of wafers, is loaded and unloaded by an automatic transfer robot or an operator, and the wafers in the storage container are transferred to a wafer boat as a substrate holder and heat treated. And a loading area for loading and unloading into and out of the furnace.
- the atmosphere in the loading area is maintained at a higher degree of cleanliness than the atmosphere in the loading / unloading area.
- the loading / unloading area on the air side and the loading area are separated by a partition wall.
- the inside of the loading area is inert gas.
- N nitrogen
- Atmosphere or an atmosphere filled with clean dry air are examples of Atmosphere or an atmosphere filled with clean dry air.
- a closed storage container (also referred to as a closed type carrier) in which a wafer take-out port on the front of the storage container body is sealed with a lid. Is preferably used (see Fig. 1).
- FIG. 10 is a cross-sectional view illustrating a configuration of a door mechanism in an example of a conventional heat treatment apparatus.
- FIG. 10 shows a state in which the closed type carrier is in contact with a partition wall 100 that partitions the carry-in / out area S1 and the loading area S2.
- the partition wall 100 has an opening 10 for communicating the loading / unloading area S1 with the loading area S2.
- the door 102 that opens and closes the opening 101 includes a lid opening and closing mechanism 103 that opens and closes the lid of the carrier.
- the carrier 120 is capable of accommodating therein a plurality of wafers W to be processed.
- Carriage An outlet 122 is provided on one side of the carrier body 121 of the carrier 120.
- the outlet 122 is closed by a lid 123 that is detachably provided. That is, the carrier 120 is a closed type carrier.
- the carrier 120 is mounted on the mounting table 110 provided in the loading / unloading area S1. Thereafter, when the mounting table 110 advances, the opening edge of the outlet 122 of the carrier 120 comes into contact with the opening edge of the opening 101. Thereafter, the lid 123 is removed from the carrier body 121 by the lid opening / closing mechanism 103.
- the lid opening / closing mechanism 103 provided on the door 102 opens the lid 123 of the carrier 120. . Then, the inside of the carrier 120 is replaced with nitrogen gas by, for example, nitrogen gas replacement means not shown. On the other hand, the lid opening / closing mechanism 103 holding the lid 123 is moved rearward in the door 102 with respect to the partition 100 by the driving means 104. The door 102 is retracted in a state where the door 102 accommodates the lid 123 and the like in this manner.
- the door 102 is retracted by, for example, moving in a direction away from the opening 101 along the front-rear axis 105 and then moving downward, for example, along the vertical axis 106.
- the inside of the carrier 120 is communicated with the space of the loading area S2, and the wafer W in the carrier 120 is carried into the loading area S2 by a wafer transfer mechanism (not shown).
- the wafer W to be processed is moved between the carrier 120 and the loading area S2.
- the transfer space for the wafer W be maintained in a clean atmosphere.
- Japanese Patent Application Laid-Open No. 2000-150613 has a detachable lid at the front opening, and is separated from a sealed container (carrier) for accommodating an object (wafer) inside.
- a wafer transfer mechanism for transferring a wafer in the closed container into a transfer chamber (loading area) and then loading the wafer into a processing chamber is disclosed.
- An isolation chamber for reducing a pressure difference between the transfer chamber and the closed container is provided in the transfer chamber facing the opening of the closed container, and a lid for opening and closing the lid of the closed container is provided in the isolated chamber.
- An opening and closing mechanism is provided.
- Japanese Patent Application Laid-Open No. 2002-093880 discloses that a plurality of semiconductor wafers (objects to be processed) are stored. A loading section (loading / unloading area) on which a cassette (sealed carrier) to be loaded is placed;
- a processing section (loading area) for performing a predetermined process on the other hand the loading section is partitioned from the processing section, and a passage port is formed at a position corresponding to the opening of the cassette placed on the loading section.
- Driving the shutter a shutter member (door) that opens and closes through a passage opening a lid that is provided on the processing unit side and that can be opened and closed at the opening of the cassette placed on the loading unit, and drives the shutter member
- a shutter driving mechanism (door opening / closing mechanism) and the shutter member has a holding section (lid opening / closing mechanism) for holding the lid.
- a device having a suction port formed therearound is disclosed.
- the present invention has been made based on the above circumstances, and is a processing apparatus for processing an object to be processed stored in a closed storage container, wherein the storage container is mounted.
- the external space area communicates with the internal space area maintained in a clean atmosphere, for example, the degree of adverse effects that particles in the external space area may have on the object to be processed and the internal space area is minimized. It is an object of the present invention to provide a processing apparatus capable of reducing the amount of contamination and reliably preventing contamination of a processing object.
- an external space area in which a storage container with a lid for hermetically storing an object to be processed is transported, and an internal space area in which an object to be processed taken out of the storage container is transported are provided.
- a partition provided in the partition, an opening provided in the partition and communicating the two space regions, a door mechanism capable of closing the opening, and a door mechanism provided in the door mechanism;
- a lid opening / closing mechanism capable of opening / closing a lid of a processing container placed at a predetermined position in an external space region with a structure closing the opening, and a lid opening / closing mechanism, the door mechanism comprising:
- the drive means for moving the lid opening / closing mechanism in the direction of moving away from and into contact with the storage container is provided in the door mechanism inner space formed between the door mechanism and the storage container by the door mechanism.
- the operation of the driving means for opening and closing the lid of the storage container is provided in the driving means disposing chamber which is formed so as to be isolated from the space, and the exhaust mechanism for exhausting the driving means disposing chamber is provided. Even if dust is generated along with the dust, the dust is removed by the exhaust mechanism. This reliably prevents dust from entering the space inside the door mechanism and adhering to the object to be processed in the storage container, and contaminating the clean atmosphere in the internal space area when the door mechanism is opened. Is reliably prevented. As a result, the degree of adverse effects of dust (particles) on the object to be processed is suppressed to a small degree, and the object to be processed that has been subjected to the predetermined processing can have a high level of cleanness.
- an edge of the opening on the side of the internal space area forms a surface inclined with respect to the partition, and the door mechanism can be in close contact with the edge and the partition It is possible to move along the surface direction.
- a seal member is provided around the entire edge of the opening on the side of the external space area, and in the lid opening and closing mechanism, the door mechanism closes the opening. In this state, it is possible to hermetically adhere to the seal member by the action of the driving means.
- the seal member is, for example, a member having a Y-shaped cross section.
- the door mechanism gradually opens the space on one side and the space on the other side with respect to the door mechanism so that the pressure difference between the two spaces can be reduced to substantially zero over time. It is preferable to have an adjustment function.
- FIG. 1 is a perspective view showing a closed storage container with a lid removed.
- FIG. 2 is a perspective view showing a vertical heat treatment apparatus according to one embodiment of the present invention.
- FIG. 3 is a longitudinal sectional view showing an internal configuration of the vertical heat treatment apparatus shown in FIG. 2.
- FIG. 4 is a plan view showing an internal configuration of the vertical heat treatment apparatus shown in FIG. 2.
- FIG. 5 is a longitudinal sectional view showing an example of a door mechanism for opening and closing an opening formed in a partition wall in a state where a carrier for accommodating a wafer is in contact with the partition wall.
- FIG. 6 is a rear view of the door mechanism shown in FIG.
- FIG. 7 is a partial cross-sectional view showing a state where the bottom of the carrier and an engaging member of the second mounting table are engaged.
- FIG. 8 is a cross-sectional view similar to FIG. 5, showing a state where the door mechanism has been retracted upward and the space in the loading / unloading area and the space in the loading area have been communicated.
- FIG. 9 is a cross-sectional view similar to FIG. 5, showing a state where an opening of a partition is closed by a door mechanism when a carrier is not present on a second mounting table.
- FIG. 10 is a cross-sectional view showing a configuration of a door mechanism in an example of a conventional heat treatment apparatus in a state where a closed type carrier is in contact with a partition partitioning a loading / unloading area and a loading area.
- the closed storage container for storing the object to be processed is located at a predetermined position. After being placed, the object to be processed is taken out of the storage container, transported to an internal space area maintained in a clean atmosphere, and subjected to predetermined processing.
- a carrier 10 having a carrier body 11 having a take-out port 11A opened on one surface is used as a storage container for storing the object to be processed.
- the outlet 11A is closed by a lid 12 that is detachably provided.
- the carrier 10 is made of, for example, resin.
- the object to be processed is, for example, a wafer W having a diameter of 300 mm.
- the carrier 10 is configured to hold a plurality of wafers W, for example, 25 wafers W in a shelf shape.
- the lid 12 of the carrier 10 has a latch mechanism (lock mechanism) (not shown) for holding the lid 12 in the outlet 11A.
- a latch mechanism lock mechanism
- the lid 12 can be removed from the carrier body 11.
- reference numeral 13 denotes a keyhole for releasing the latch mechanism by being inserted and fitted with a lock release member of the lid opening / closing mechanism
- 14 is provided on the upper surface of the carrier 10 with a gap therebetween.
- Reference numeral 15 denotes a square-shaped flange portion, and reference numeral 15 denotes a concave portion having a circular cross section formed at the center of the flange portion 14.
- FIG. 2 is a perspective view showing the external appearance of the vertical heat treatment apparatus according to the present embodiment
- FIGS. 3 and 4 are longitudinal sectional views showing the internal structure of the vertical heat treatment apparatus shown in FIG. 2, respectively.
- FIG. 5 is a vertical cross-sectional view showing an outline of a configuration of an example of a door mechanism for opening and closing an opening formed in a partition wall in a state where a carrier for accommodating a wafer is in contact with the partition wall.
- FIG. 6 is a rear view of the door mechanism shown in FIG.
- reference numeral 20 denotes a housing constituting an exterior body of the processing apparatus.
- a partition 21 is used to take in the loading / unloading area S 1, which is an external space area in which the above-mentioned closed type carrier 10 for storing the wafer W to be processed is transferred, and the carrier 10.
- a loading area S2 which is an internal space area where the unloaded wafer W is transferred, is defined.
- the atmosphere of the carry-in / out area S1 is, for example, the atmospheric atmosphere, specifically, the environmental atmosphere of a clean room in which the heat treatment apparatus is installed.
- the atmosphere in the loading area S2 is an inert gas atmosphere having a higher degree of cleanness than the loading / unloading area S1, for example, nitrogen ( N) Gas atmosphere or clean dry gas (dew point with less particles and organic components-6
- the carry-in / out area S1 has a first transfer area S1A located on the front side of the heat treatment apparatus, and a second transfer area S1B located on the back side.
- first mounting tables 22, 23 are provided at positions aligned in the left-right direction (up and down directions in FIG. 4). Thereby, even when the carrier 10 is mounted on any of the first mounting tables 22, 23, the carrier 10 can be transported by the carrier transport mechanism 31 described later.
- Positioning for positioning the carrier 10 on the first mounting tables 22, 23 is performed by fitting the mounting surfaces of the first mounting tables 22, 23 into recesses provided at the bottom of the carrier 10. For example, three pins 24 are provided (see FIG. 2).
- a panel portion 25 having a U-shaped cross section as viewed from above is provided so as to surround the space above the first mounting tables 22 and 23. .
- the area surrounded by the panel section 25 is an area for transferring the carrier 10 between the automatic transfer robot (not shown) moving along the ceiling in the clean room and the first mounting tables 22, 23. .
- two second mounting tables 26 and 27 corresponding to the first mounting tables 22 and 23 respectively are provided in the front-rear direction with the first mounting tables 22 and 23. It is provided in the position where was lined up.
- the second mounting tables 26 and 27 are mounted between the position where the carrier 10 is placed by the carrier transport mechanism 31 described later and the position where the carrier 10 is in contact with the partition 21, for example, an air cylinder.
- the moving part (not shown) is configured to be able to move back and forth in the front-rear direction (left-right direction in FIG. 4).
- a key-shaped engaging member 29 that engages with the engaging recess 16 on the bottom surface of the carrier 10 is provided on each of the mounting surfaces of the second mounting tables 26 and 27.
- the engagement member 29 is configured to be rotatable around a horizontal axis between a position where the engagement portion 16 is engaged with the engagement concave portion 16 of the carrier 10 and a position where the engagement is released by the driving portion 29A. Let's do it.
- a carrier storage unit 30 for temporarily storing the carrier 10 is provided above the second transport area SIB.
- the carrier storage unit 30 in this example is configured by a two-stage two-row shelf.
- the carrier 10 is placed between the first mounting tables 22, 23 and the second mounting tables 26, 27, and between the second mounting tables 26, 27 and the carrier storage.
- a carrier transport mechanism 31 for transporting between the first mounting tables 22, 23 and the carrier storage unit 30, and between the first mounting tables 22, 23 and the carrier storage unit 30.
- the carrier transport mechanism 31 is provided with a guide portion 32 that extends left and right and can move up and down, a moving portion 33 that moves left and right while being guided by the guide portion 32, and a flange provided on the upper surface of the carrier 10 And an articulated arm 34 for holding the unit 14 and transporting the carrier 10 in the horizontal direction.
- a vertical heat treatment furnace 40 having a lower end opened as a furnace port is provided in the loading area S2.
- a wafer boat 41 as a holder for holding a large number of wafers W in a shelf shape is placed on a cap 43 via a heat insulating member 42.
- the cap 43 is supported on a lifting mechanism 44.
- the wafer boat 41 is carried into or out of the heat treatment furnace 40 by the elevating mechanism 44.
- a wafer transfer mechanism 45 for transferring the wafer W between the wafer boat 41 and the carrier 10 on the second mounting tables 26 and 27 is provided.
- the wafer transfer mechanism 45 is configured as a plurality of, for example, five reciprocally movable arms 48 provided on a moving body 47 that can move along a guide mechanism 46 that extends left and right and that can rotate around a vertical axis. .
- An opening 21A is formed in a partition wall 21 for partitioning the loading / unloading area S1 and the loading area S2 at a position corresponding to each of the second mounting tables 26 and 27.
- the opening 21A allows the inside of the carrier 10 to communicate with the space of the loading area S2 when the carrier 10 mounted on the second mounting table 26, 27 is in contact with the partition 21.
- a sealing member 50 for hermetically contacting the carrier 10, more specifically, the opening edge of the outlet 11A of the carrier 10, is provided at the opening edge of the loading / unloading area S1 on the opening 21A. It is provided around the entire edge.
- the seal member 50 is formed of, for example, a packing having a "Y" -shaped cross section.
- the posture of the carrier 10 when opening and closing the lid 12 by pressing the upper surface of the carrier 10 placed on the second mounting tables 26 and 27 from above is set.
- Holding means 55 and 56 for stabilizing are provided at positions corresponding to the second mounting tables 26 and 27, respectively.
- the opening surface force of opening 21 A is formed in a state inclined with respect to the transfer direction of wafer W.
- an inclined opening surface is formed by fitting a frame member 60 having a substantially wedge-shaped cross section into an opening formed in the partition 21.
- a nitrogen gas supply means (not shown) is provided at a side edge of the opening 21A of the partition 21.
- an inert gas such as a nitrogen gas is supplied, and the atmosphere in the carrier 10 is replaced with a nitrogen gas atmosphere.
- a door mechanism 70 for opening and closing the opening 21A is provided on the loading area S2 side of the partition 21, a door mechanism 70 for opening and closing the opening 21A is provided.
- the door mechanism 70 is provided with a holding member 66 movably provided on each of two guide shafts 65, 65 extending vertically along the partition wall 21 at positions located side by side (in the horizontal direction in FIG. 6). , 66.
- the door mechanism 70 has a door 71 which is in contact with the opening surface of the opening 21A to form an atmosphere adjusting space separated from the loading area S2.
- the door 71 hermetically closes the opening 21A via a seal member 79 provided on the frame member 60.
- a lid opening / closing mechanism 75 for opening / closing the lid 12 of the carrier 10 is provided in the door 71. Further, a driving means 76 for moving the lid opening / closing mechanism 75 in a direction of moving toward and away from the carrier 10 (left-right direction in FIG. 5) is provided at the lower end of the door 71 by a driving means arrangement formed by a cover member 80. It is located in room 81. A guide groove 81A for guiding a support member that supports the lid opening / closing mechanism 75 is formed in an upper partition wall of the drive means arrangement chamber 81.
- the lid opening / closing mechanism 75 is provided on the outer surface of the outer casing so as to be exposed.
- a lock release member 77 fitted into the keyhole 13 in the above, and a drive means 78 provided in the outer casing, for example, composed of an air cylinder.
- the lid opening / closing mechanism 75 is moved forward by the driving means 76 toward the loading / unloading area S1 while the door 71 is closed and the loading / unloading area S1 and the loading area S2 are closed, and the lid of the carrier 10 is closed. Abutted on body 12. At this time, the lid opening / closing mechanism 75 is also in close contact with the seal member 50 provided on the partition 21. This ensures high airtightness between the loading / unloading area S1 and the loading area S2. Then, the lid opening / closing mechanism 75 is moved in a direction away from the opening 21A after holding the lid 12 of the carrier 10 in order to transport the wafer W in the carrier 10 to the loading area S2. As a result, the lid 12 is housed in the door 71.
- the door mechanism 70 is provided with an exhaust mechanism for exhausting the inside of the drive means disposition chamber 81 and the outer casing of the lid opening / closing mechanism 75.
- the exhaust mechanism includes an intake port 86 A opening in the internal space of the driving means arrangement chamber 81, an intake port 86 B opening in the internal space of the lid opening / closing mechanism 75, and an outside of the door mechanism 70. And a common exhaust port 87 connected to each of the intake ports 86A and 86B, and a suction means (not shown) such as a pump provided outside the processing apparatus.
- the pressure difference between the pressure in the carrier 10 and the pressure in the loading area S2 of the door mechanism 70 becomes substantially zero over time. It has the function of adjusting the pressure so as to be in a state.
- a damper mechanism 92 is provided at an opening 90 formed in the rear wall of the door 71 via a filter 91.
- the pressure in the door 71 is adjusted.
- the pressure force in the carrier 10 when the lid 12 is removed and the nitrogen gas is purged is S19.6 ⁇ 10 4 1 29.4 ⁇ 10 4 Pa (20-30 mAq)
- the pressure in the loading area S2 Force 9 X 10 4 98 X 10 4 Pa 50
- the pressure in the carrier 10 is adjusted to be the same as the pressure in the loading area S2 over a period of 1 to 10 seconds.
- the carrier 10 descends through the internal space of the panel unit 25 and is placed on the first placing table 22 (23) by an automatic transfer robot (not shown) moving along the ceiling of the clean room. Thereafter, the carrier 10 is transported to the second mounting table 26 (27) by the carrier transport mechanism 31.
- the second mounting table 26 (27) is moved to the partition 21 side. Thereby, the opening edge of the outlet 11A of the carrier 10 is air-tightly contacted with the opening edge of the partition 21 via the seal member 50.
- the pressing means 55 (56) is driven by an appropriate driving means to be in a state of lying down.
- the protrusion (not shown) of the holding means 55 (56) is fitted into the recess 15 of the flange part 14 of the carrier 10, and the carrier 2 is pressed from above by the holding means 55 (56). Fixed at.
- the exhaust mechanism in the door mechanism 70 is operated, and the atmosphere in the cover opening / closing mechanism 75 and the driving means arrangement chamber 81 is exhausted at a flow rate of, for example, 0.01-1.lm 3 / min. .
- the lid 12 of the carrier 10 is unlocked by the lid opening / closing mechanism 75, and the lid opening / closing mechanism 75 is retracted while holding the lid 12.
- an inert gas such as nitrogen gas is supplied horizontally from the gas supply pipe into the carrier at a flow rate of, for example, 0.05 to 0.5 m 3 / min.
- the atmosphere in the carrier 10 and the door 71 is replaced by the inert gas.
- the damper mechanism 92 is actuated, and the pressure in the carrier 10 is gradually adjusted over time to become the same as the pressure in the loading area S2. Then, as shown in FIG. 8, the door mechanism 70 hinders the wafer W transfer operation by the wafer transfer mechanism 45. In such a state that the lid opening / closing mechanism 75 holding the lid 12 is accommodated in the door 71, the lid opening / closing mechanism 75 is moved upward along the partition 21 and retracted from the opening 21A. As a result, the inside of the carrier 10 and the space of the reading area S2 are communicated.
- the wafers W in the carrier 10 are sequentially taken out by the wafer transfer mechanism 45 and transferred to the wafer boat 41.
- the reverse operation is performed. That is, the opening 21A is airtightly closed by the door mechanism 70, the lid 12 of the carrier 10 is closed by the lid opening / closing mechanism 75, the fixing by the pressing means 55 (56) is released, and the second mounting table 26 ( 27) is retracted, the carrier 10 is separated from the partition 21, and the carrier 10 is transported to the carrier storage unit 30 by the carrier transport mechanism 31 to be temporarily stored.
- the wafer boat 41 is carried into the heat treatment furnace 40.
- the heat treatment furnace 40 performs a predetermined heat treatment on the wafer W, for example, a CVD process, an annealing process, an oxidation process, and the like.
- the carrier transport mechanism 31 transports the carrier 10 from the carrier storage unit 30 to the second mounting table 26 (27)
- the lid opening / closing mechanism 75 opens the lid
- the door mechanism 70 retracts
- Wafer transfer operations by the wafer transfer mechanism 45 are sequentially performed
- the wafer W is returned into the carrier 10.
- the lid 12 is closed by the lid opening / closing mechanism 75, and the carrier 10 is transported to the outside of the apparatus.
- the driving means 76 of the lid opening / closing mechanism 75 is provided in the door mechanism space (the space in the door 71) formed between the door mechanism 70 and the carrier 10. ) Is disposed in the drive means disposition chamber 81 which is separated from the drive means disposition chamber 81, and an exhaust mechanism for exhausting the drive means disposition chamber 81 is provided. Even when dust is generated by the sliding operation of the driving means 76 in the front-rear direction, the dust is exhausted to the outside through the intake port 86A and removed. Further, dust generated by the lid opening / closing operation by the lid opening / closing mechanism 75 is also exhausted to the outside through the intake port 86B and removed.
- the door mechanism 70 is configured to be translated along the partition 21 in one direction in the plane direction of the partition 21, ie, upward in the illustrated example, and to be retracted from the opening 21 A.
- the number of operating portions (sliding portions) related to the door opening / closing operation is reduced as compared with the conventional door mechanism described with reference to FIG. Is less likely to occur. Therefore, the clean atmosphere of the wafer W or the loading area S2 can be more reliably prevented from being contaminated by dust.
- a seal member 50 is provided at the opening edge of the opening 21A on the side of the loading / unloading area S1.
- a lid provided on the door mechanism 70 is opened and closed. Since the mechanism 75 is configured to be in close contact with the seal member 50 and hermetically sealed, as shown in FIG. 9, when the carrier 10 does not exist on the second mounting table 26 (27). In this case, the space inside the door mechanism is not exposed to the atmosphere of the loading / unloading area S1. Therefore, for example, dust floating in the carry-in / carry-out area S1 can be reliably prevented from entering the door mechanism space.
- the pressure difference between the pressure in the carrier 10 and the pressure in the loading area S2 causes the inside of the door mechanism to move. Dust present in the space flies up and adheres to the wafer W in the carrier 10 or enters the loading area S2.
- the door mechanism 70 is provided with a damper mechanism 92 that adjusts the pressure over time so that the pressure difference between the pressure in the loading area S2 and the pressure in the carrier 10 becomes substantially zero. Therefore, it is possible to reliably prevent the above problem from occurring, and to surely prevent the wafer from being contaminated.
- the present invention is not limited to a vertical heat treatment apparatus, and performs a predetermined treatment on an object to be treated, such as a single-wafer heat treatment apparatus, an apparatus for applying or developing a resist, and an ion implantation apparatus. It can be applied to any device.
- the atmosphere in the loading area is not limited to the inert gas, but may be clean dry air.
- clean dry air may be supplied into the carrier to replace the atmosphere in the carrier with clean dry air.
- the present invention can also be applied to an apparatus in which a region for carrying a carrier and a region for carrying out are provided at different places.
- a suction duct can be provided in the loading area so as to surround the door mechanism in a state where the retracting direction is open.
- the suction duct can be provided in the loading area so as to surround the door mechanism in a state where the retracting direction is open.
- the dust is removed by the suction duct.
- the degree of adverse effects of particles on the clean atmosphere in the wafer and the loading area is reduced as much as possible, and the contamination of the wafer can be reliably suppressed.
- a cable air tube or the like connected to the exhaust port can be accommodated in the suction duct. In this case, even if dust or the like is generated due to the movement of the cable tube accompanying the retracting operation of the door mechanism, adverse effects on the wafer are reliably prevented.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Prevention Of Fouling (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/561,799 US20070110548A1 (en) | 2003-07-03 | 2004-06-29 | Processing apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003191180A JP2005026513A (ja) | 2003-07-03 | 2003-07-03 | 処理装置 |
JP2003-191180 | 2003-07-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005004228A1 true WO2005004228A1 (ja) | 2005-01-13 |
Family
ID=33562351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/009152 WO2005004228A1 (ja) | 2003-07-03 | 2004-06-29 | 処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070110548A1 (ja) |
JP (1) | JP2005026513A (ja) |
KR (1) | KR100850815B1 (ja) |
TW (1) | TW200512139A (ja) |
WO (1) | WO2005004228A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US20120315114A1 (en) * | 2011-06-07 | 2012-12-13 | Tokyo Electron Limited | Substrate conveying container opening/closing device, lid opening/closing device and semiconductor manufacturing apparatus |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9226407B2 (en) * | 2002-07-01 | 2015-12-29 | Semigear Inc | Reflow treating unit and substrate treating apparatus |
JP4891199B2 (ja) * | 2006-11-27 | 2012-03-07 | 株式会社日立国際電気 | 基板処理装置および半導体装置の製造方法 |
KR100918588B1 (ko) * | 2007-09-19 | 2009-09-28 | 세메스 주식회사 | 파티클 배출 유닛 및 이를 포함하는 기판 이송 장치 |
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Also Published As
Publication number | Publication date |
---|---|
TW200512139A (en) | 2005-04-01 |
US20070110548A1 (en) | 2007-05-17 |
KR20060026851A (ko) | 2006-03-24 |
KR100850815B1 (ko) | 2008-08-06 |
JP2005026513A (ja) | 2005-01-27 |
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