WO2005108852A1 - 流体制御装置 - Google Patents
流体制御装置 Download PDFInfo
- Publication number
- WO2005108852A1 WO2005108852A1 PCT/JP2004/018984 JP2004018984W WO2005108852A1 WO 2005108852 A1 WO2005108852 A1 WO 2005108852A1 JP 2004018984 W JP2004018984 W JP 2004018984W WO 2005108852 A1 WO2005108852 A1 WO 2005108852A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluid
- passage
- line
- block
- control device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
- F17D1/04—Pipe-line systems for gases or vapours for distribution of gas
Definitions
- the present invention relates to a fluid control device used in a semiconductor manufacturing device or the like, and more particularly, to a fluid control device that is used independently for maintenance and inspection.
- Fluid control equipment used in semiconductor manufacturing equipment is designed such that various fluid control devices are arranged in a plurality of rows, and the flow paths of the fluid control devices in adjacent rows are aligned at predetermined positions.
- a mass flow controller, an on-off valve, and the like have been connected via a tube.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-89798
- a plurality of fluid control devices disposed above and a lower fluid control device are disposed.
- a fluid control device is disclosed in which lines formed by a plurality of joint members are arranged in parallel, and a predetermined line flow path is connected by inter-line connection means. Is
- FIG. 4 shows one embodiment of the fluid control device.
- the upper and lower parts of the figure are referred to as the upper and lower parts.
- FIG. 4 shows the configuration of the fluid inflow section of the fluid control device.
- the fluid control device in this part has a line having an inlet-side shutoff / opening device (6) including two on-off valves (22) and (23). (Bl), (B2), (B3) and the line between the fluid inlets for introducing fluid (process gas) into the circuit breaker (6) of each line (B1), (B2), (B3) Means (50).
- connection means (50) between the lines of the fluid introduction section is composed of each line (Bl) (B2)
- the lower passage opening (51) has a V-shaped upward opening from the end of the line direction passage (54a) and the line direction passage (54a) leading to the circuit breaker (6).
- a line-to-line connection passage (54) composed of a passage (54b) and an in-line connection passage (55) that opens downward and communicates with the bypass passage of the circuit breaker (6) are formed.
- the upper passage block (57) is formed by combining two blocks (57a) and (57b), and has an inverted U-shape that opens downward.
- the passage (58) is formed.
- the U-shaped passage (58) is a transverse passage (5
- the upper passage block (57) is disposed over two lower passage blocks (51), and the inverted U-shaped passage (58) is connected to the right side line (Bl) (B2).
- the lower passage block (51) is coupled to a block-like joint member (not shown) by a screw from above, and the upper passage block (57) is connected to the upper passage block (57) from above. Use the screw to lower the lower passageway (5
- the line connecting means (50) is constituted by the lower and upper passage blocks (51), (57), and the lower passage block (51) and the upper passage block Since the hook (57) is detachable, the line-to-line connection means (50) can be formed without welding.
- the line-to-line connection means (50) can be formed without welding.
- the line to be connected is mounted on the board and the specifications of the inter-line connecting means (50) are changed by the extension, the line indirect means (50) after the specification change is used before the addition.
- the passage block (51) (57) and the newly prepared passage block (51) (57) are provided, and the line connecting means (50) may be attached. This is also the case when making changes to the line, thus making it easier to set up and change the line.
- An object of the present invention is to supply a fluid having a uniform pressure to each line even when the number of lines is large when supplying fluid to a plurality of lines from one fluid inflow portion.
- the fluid control device comprises a lower stage from the first to an ri ⁇ having an inlet port opened upward, an outlet port opened upward and an outlet port opened laterally.
- the passage blocks are arranged in a row, and the first or (n-11) th upper passage book connecting the outlet port and the entrance port of the adjacent lower passage block is arranged in a line.
- a fluid introduction pipe is connected to the V inlet port, and at least one of the second to (n-1) th upper stage books is connected via the fluid introduction pipe and the bypass path. It is characterized by being communicated through
- each block is usually an independent member, but it may include a manifold dock consisting of a plurality of blocks.
- a set of three passages The first set of passages is regarded as the mth lower passage block, and the second set of passages is defined as (m + 1) -th lower passage block, and the third passage pair is the (m + 2) -th It shall be regarded as a lower passage block.
- the upper passage is usually an independent member, but it may include a manifold dock consisting of a plurality of blocks.
- the V-block is usually a member in which each block is an independent member, but may include a Mahi Horne Red block consisting of a plurality of blocking forces.
- the first set of passages is regarded as the m-th upper passage block
- the second set of passages is (m + 1) Not regarded as the upper upper passage block
- the thread of the third passage is regarded as the (m + 2) th upper passage block.
- the fluid controller connected to the lower passage block is, for example, an on-off valve, but may be a check valve, a finoletor, a regulator, a road block, or the like.
- the fluid control device is disposed at the same position in the line direction at the upper stage of each line, and the fluid control device has a minimum force.
- a lower passage block in which a line-to-line connection passage having one upward opening is formed, and a line perpendicular to the line, which is disposed above the lower passage block over each line to be connected.
- One or more upper passage blocks and one or more upper passage blocks that have a downward passage leading up to the horizontal passage and the passage opening between the lines of the lower passage block extending from the lateral passage.
- the V-axis is detachably connected to the lower joint member with a screw from above, and the earth passage block is detachably connected to the lower passage plug with a screw from above. To the fluid inlet.
- the number of lines ⁇ the number of pinos pipes and the number of upper passages connected by bypass pipes are changed as appropriate.
- ⁇ ⁇ ⁇ ⁇ where the fluid 3 # inlet pipe and the nith passage block
- the lock and the pipe may be connected by a bypass pipe, and 3 ⁇ ni ⁇ 6.
- n> 10 and the fluid introduction pipe and the second passage block are connected by the first bypass.
- the gas introduced from the fluid introduction pipe into the first lower passage block is connected to the second lower passage block from the second to the nth lower passage block.
- the pipes are sequentially sent to the pumps via the upper passage block, and are sent from each lower passage block to the fluid controller of each line.
- the downstream lower passage block When supplying fluid from the fluid inlet of one power station (first lower passage block) to each of the fluid controllers arranged at the inlets of multiple lines, the downstream lower passage block is Although the fluid pressure or flow rate may decrease and the fluid pressure or flow rate of the fluid controller receiving the fluid may decrease, the upper passages from the second to the (n-1) th Since at least one of the blocks communicates with the fluid introduction pipe and the bypass pipe, a decrease in the fluid pressure and a decrease in the flow rate at the downstream lower passage block is prevented. However, even with a large number of lines, it is possible to introduce a fluid of equal pressure into each line.
- FIG. 1 is a plan view showing one embodiment of the fluid control device according to the present invention.
- FIG. 2 is a front view of the same.
- FIG. 3 is a graph showing the operation and effect of the fluid control device according to the present invention.
- FIG. 4 is a side view showing an example of a conventional fluid control device.
- the left and right of 2 are called left and right, and the top and bottom of Fig. 2 are called up and down. Left and right •
- the upper and lower sides are for convenience, and the upper and lower sides are sometimes used as left and right.
- FIG. 1 and FIG. 2 show an embodiment of the fluid control device according to the present invention.
- the fluid control device includes first to n-th process gas control lines (A 1, A 2 to An) and each line (A 1, A 1
- the fluid conduits span the first to nth lower passage blocks (12A) (12) and two adjacent lower passage blocks (12A) (12) arranged in a row.
- the process gas introduction pipe (fluid introduction pipe) (14) and the first bypass pipe (15) connecting the process gas introduction pipe (14) and the specified upper passage block (13A) If necessary, a second bypass pipe (16) for connecting the first bypass pipe (15) to a predetermined upper passage block (13B) is provided.
- the lower passage block (12A) (12) is, for example, a line-to-line connection passage (54a) and a V-shaped upward passage (54b) opened upward as shown in FIG. 54) and has the same shape as the lower passage block (51), and has an inlet port that opens upward, an outlet port that opens upward, and an outlet port that opens laterally. And shall have a
- the upper passage block (13), (13A), (13B) has the same shape as, for example, the upper passage passage (57) having the inverted U-shaped passage (58) opened downward as shown in FIG.
- the outlet port and the inlet port of the adjacent lower passage block (12A) (12) are communicated.
- the process gas control lines (A1 to An) include an on-off valve, a mass flow controller, a regulator, a filter and the like in addition to the on-off valve (11) shown in the figure.
- the inlet port of the illustrated on-off valve (11) is connected to the outlet port opened to the side of the lower passage block (12A) (12).
- the bypass pipes (15) and (16) are used to control the pressure and flow rate of the process gas sent to the upstream line (Al, A2, etc.) to the pressure and flow rate sent to the downstream line (An, etc.).
- 1 and 2 show 12 lower passage blocks (12A) (12) and 11 upper passage blocks.
- (13) ( ⁇ 3 ⁇ ) (13B) is shown, and the -4th upper passage block (13A) communicates with the process gas introduction pipe (14) via the first bypass pipe (15). Ri is in contact is, the eighth upper passage pro click (1 3 B) are communicated through the first Bruno Ipasu pipe (15) and the second bypass pipe (16).
- the process gas introduction pipe The process gas introduced into the first lower passage block (12A) from (14) is the second through n-th arranged in line with this as shown by the solid arrow in Fig. 2.
- the lower passage block (12) To the lower passage block (12) through the upper passage blocks (13), (13A), and (13B) from the first to the (n-1) th, and the solid line in Fig. 1.
- the lower passage block (12A) (12) is connected to the on-off valve (or fluid controller other than the on-off valve) (11) of each line (A1 to An) as indicated by the arrow. Sent.
- Fluid is supplied from the fluid inlet of one power station (first lower passage block (12A)) to each fluid controller (11) arranged at the inlet of multiple lines (Al to An)
- first lower passage block (12A) each fluid controller (11) arranged at the inlet of multiple lines (Al to An)
- the fluid pressure or flow rate of the downstream lower block (12) decreases, and the fluid pressure or flow rate of the fluid controller (11) receiving the fluid may decrease.
- the upper block (13A) (13B) is communicated with the fluid introduction pipe (14) via the bypass pipe (15) (16).
- a predetermined passage is not provided through the lower passage block (12).
- Jb fe. JS road block (13A) The process gas is sent to the (13B) to prevent a decrease in fluid pressure and flow rate in the lower downstream passage book (12) on the downstream side. Even if the number of (A1 to An) is large, it is possible to introduce a fluid (process gas) evenly to each line (A1 to An).
- Fig. 3 shows how the fluid pressure and flow rate were determined by the presence or absence of the bypass pipes (15) and (16).
- Fig. 3 (a) shows the first stage when the number of lines is 10 The output pressure at each liner from the first stage to the tenth stage was calculated.
- Fig. 2 shows the no-pass piping shown by the broken line. (Right side of the pipe), the outlet P pressure decreases, whereas in the case with the bypass pipe shown by the solid line in the figure, the outlet pressure on the downstream side is maintained almost the same as that on the upstream side. .
- Fig. 3 shows the relationship between the number of lines and the flow rate when the number of lines is increased from 1 to 10 and according to Figs. 1 and 2.
- the shapes of the lower passage block (12A) (12) and the upper passage block (13) (13A) (13B) are not limited to those shown in FIG.
- Various changes are possible as long as the process gas (fluid) can be sequentially sent from the lower passage block (12A) of the number S to the nth lower passage block (12).
- ⁇ An is assumed to be 1 2, but is not limited to this, and may be less or greater than 12. If the number of lines is less than 12, bypass pipes (15) (16)
- Number of lines is less than 1 2
- the number of bypass pipes (15) and (16) may be two or three or more.
- the number of line (n) is 8 or more, in the case of n ⁇ 1 0 is the n ⁇ th and fluid introduction pipe (14) (3 ⁇ ⁇ ⁇ ⁇ 6), the upper passage block (13A) is communicated with the bypass piping (15). If ⁇ > 11, the fluid introduction piping (14) and the nith upper passage block (13A) are connected. ) and the and communicates with the first bypass pipe (1 5) monitor, the eta iota th (3 ⁇ eta iota upper passage block (13 a) and the second n-th of ⁇ 6) (7 ⁇ n The upper passage block (13B) of 2 ⁇ 10) communicates with the second bypass pipe (16).
- the fluid control apparatus of this invention even if the number of lines increases, a fluid-pressure drop and a flow rate drop at the downstream side are prevented, and a uniform pressure is applied to each line. Since this fluid can be introduced, it can be suitably used for the configuration of the fluid inflow section of an integrated fluid control device used in a semiconductor manufacturing device or the like.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Housings (AREA)
- Pipeline Systems (AREA)
- Flow Control (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-141007 | 2004-05-11 | ||
| JP2004141007A JP3858155B2 (ja) | 2004-05-11 | 2004-05-11 | 流体制御装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005108852A1 true WO2005108852A1 (ja) | 2005-11-17 |
Family
ID=35320301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/018984 Ceased WO2005108852A1 (ja) | 2004-05-11 | 2004-12-14 | 流体制御装置 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP3858155B2 (ja) |
| TW (1) | TW200538646A (ja) |
| WO (1) | WO2005108852A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7333053B2 (ja) * | 2019-06-28 | 2023-08-24 | 株式会社フジキン | ガス供給装置および半導体製造装置 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01261600A (ja) * | 1988-04-08 | 1989-10-18 | Motoyama Seisakusho:Kk | 超高純度ガス用管装置 |
| JP2003322127A (ja) * | 2002-04-26 | 2003-11-14 | Fujikin Inc | 流体継手 |
-
2004
- 2004-05-11 JP JP2004141007A patent/JP3858155B2/ja not_active Expired - Fee Related
- 2004-12-14 WO PCT/JP2004/018984 patent/WO2005108852A1/ja not_active Ceased
-
2005
- 2005-02-17 TW TW94104575A patent/TW200538646A/zh unknown
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01261600A (ja) * | 1988-04-08 | 1989-10-18 | Motoyama Seisakusho:Kk | 超高純度ガス用管装置 |
| JP2003322127A (ja) * | 2002-04-26 | 2003-11-14 | Fujikin Inc | 流体継手 |
Also Published As
| Publication number | Publication date |
|---|---|
| TW200538646A (en) | 2005-12-01 |
| JP3858155B2 (ja) | 2006-12-13 |
| JP2005321069A (ja) | 2005-11-17 |
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