WO2015098333A1 - 流体制御装置 - Google Patents
流体制御装置 Download PDFInfo
- Publication number
- WO2015098333A1 WO2015098333A1 PCT/JP2014/079956 JP2014079956W WO2015098333A1 WO 2015098333 A1 WO2015098333 A1 WO 2015098333A1 JP 2014079956 W JP2014079956 W JP 2014079956W WO 2015098333 A1 WO2015098333 A1 WO 2015098333A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- passage
- inlet
- gas
- valve
- outlet
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/12—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm
- F16K7/14—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with flat, dished, or bowl-shaped diaphragm arranged to be deformed against a flat seat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/003—Housing formed from a plurality of the same valve elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
- F15B13/08—Assemblies of units, each for the control of a single servomotor only
- F15B13/0803—Modular units
- F15B13/0807—Manifolds
- F15B13/0817—Multiblock manifolds
Definitions
- This invention relates to a fluid control device used for the purpose of, for example, switching a plurality of types of material gases and supplying them to a processing chamber in a semiconductor processing apparatus.
- a rectangular parallelepiped main body and a main body provided at intervals in the width direction at both ends in the length direction of the main body
- a gas inlet / outlet and a vent gas inlet / outlet ; a main gas passage communicating between the main gas inlets / outlets; a vent gas passage communicating between the vent gas inlets / outlets; a plurality of sub-gas inlets provided at predetermined intervals in the length direction on one side of the main body;
- Two on-off valves arranged at two positions corresponding to each sub-gas inlet and arranged in two rows in the width direction as a whole, and a plurality of first sub-gases communicating from each sub-gas inlet to the inlet of each on-off valve in the first row
- a main body consists of a some central passage block and two side passage blocks long in the front-back direction, and the main gas passage and the vent gas passage are each formed in the shape of a straight line, and a passage orthogonal to these Is connected to the outlet of the on-off valve.
- An object of the present invention is to provide a fluid control device in which the structure of the main body is simple and the open / close valves can be easily increased / decreased, and the dead volume can be further reduced.
- a fluid control device includes a rectangular parallelepiped main body, a main gas inlet and a vent gas inlet and outlet provided at intervals in the width direction at both ends in the length direction of the main body, and a main gas passage communicating between the main gas inlets and outlets.
- the main body has a passage block in the length direction that is formed with a recess that houses an on-off valve.
- the passage block is formed as a passage that forms the main gas passage, and opens and closes the first inverted V-shaped passage that opens at both ends in the length direction, and the top of the first inverted V-shaped passage.
- a first outlet passage communicating with the outlet of the valve and forming a vent gas passage; a second inverted V-shaped passage opening at both ends in the length direction; and a top portion of the second inverted V-shaped passage;
- a second outlet passage communicating with the outlet of the on-off valve, and as a sub gas inflow passage, an inlet passage leading to the inlet of each on-off valve, a common inlet passage communicating with the inlet passage and leading to the sub gas inlet, And a communication passage connected to the common inlet passage.
- the main body is formed by arranging a passage block (passage block of the same shape), so that the increase / decrease in the number of on-off valves can be handled only by increasing / decreasing the passage block.
- Adjacent passage blocks have passages (first inverted V-shaped passage and second inverted V-shaped passage) that communicate with each other, and these passages are made continuous so that the main gas passage and the vent gas passage are provided. It is formed.
- a seal portion made of a gasket or the like is interposed between adjacent passage blocks. The configuration of the seal portion is not particularly limited.
- the main gas passage and the vent gas passage are each formed in a straight line, and are connected to the outlet of the on-off valve by a passage orthogonal to these.
- the main gas passage and the vent gas passage are formed in a zigzag shape in which inverted V-shaped passages are continuous. For this reason, the exit channel
- the passage that becomes a dead volume when the vent gas flows is an outlet passage that connects the top of the inverted V-shaped passage and the outlet of the on-off valve, and this can be a short passage, so that the dead volume can be reduced.
- Each open / close valve is, for example, a diaphragm valve.
- each on-off valve includes a seat that is detachably disposed on the periphery of the outlet passage formed in the passage block, a seat holder that is detachably disposed in a recess of the passage block and holds the seat, and a seat A diaphragm that opens and closes the fluid passage by being pressed and spaced apart, and fluid that has flowed into the inlet passage communicates with the outlet passage through a through hole provided in the seat holder.
- the sheet holder is a well-known one, for example, a perforated disk-shaped inner peripheral edge portion for holding the sheet, an intermediate annular portion in which a plurality of through holes communicating with the fluid outflow passage are formed at predetermined intervals, and a diaphragm And an outer peripheral edge portion sandwiching the outer peripheral edge portion.
- the sheet is preferably replaced when it is used for a long period of time, and is provided with a retainer that holds the sheet holder, so that the sheet holder held by the retainer by removing the retainer and the sheet held by the retainer Can be removed, and the seat can be easily replaced.
- the sheet is made of, for example, a synthetic resin, but may be made of metal.
- the sheet holder and the retainer are preferably made of metal.
- the diaphragm is made of, for example, a nickel alloy thin plate, and may be made of a stainless steel thin plate or a laminate of a stainless steel thin plate and a nickel / cobalt alloy thin plate. It is not limited. Further, the diaphragm may be a single sheet or a laminated body in which a plurality of diaphragms are stacked, and can be freely selected according to specifications and conditions.
- the main body is formed by arranging passage blocks having the same shape in the length direction, and all necessary passages are formed in the passage block.
- the number of open / close valves can be increased or decreased by simply increasing or decreasing the passage block, the structure of the main body is simple, and the number of open / close valves can be easily increased or decreased.
- the dead volume passage can be an extremely short outlet passage that connects the top of the inverted V-shaped passage and the outlet of the on-off valve, so that the dead volume can be reduced.
- FIG. 1 is a plan view showing an embodiment of a fluid control apparatus according to the present invention.
- 2 is a cross-sectional view taken along the line II-II in FIG. 3 is a cross-sectional view taken along line III-III in FIG. 4 is a cross-sectional view taken along line IV-IV in FIG.
- FIG. 5 is a longitudinal sectional view showing an example of an on-off valve used in the fluid control apparatus according to the present invention.
- FIG. 6 is an enlarged view showing a seat holder constituting the on-off valve, where (a) is a plan view and (b) is a longitudinal sectional view.
- the top and bottom refer to the top and bottom of FIG.
- the left-right direction in FIG. 1 is referred to as a length direction
- the up-down direction in FIG. 1 is referred to as a width direction.
- FIG. 1 shows an embodiment of a fluid control device according to the present invention.
- the fluid control device (1) is used for introducing several kinds of gases while individually switching in a MOCVD (Metal-Organic-Chemical-Vapor-Deposition) process, for example.
- a rectangular parallelepiped body (2) comprising a plurality (four in the figure) of rectangular parallelepiped passage blocks (3), and a first on-off valve disposed in each passage block (3). (First row on-off valve) (4) and second on-off valve (second row on-off valve) (5).
- MOCVD Metal-Organic-Chemical-Vapor-Deposition
- the main body (2) is not an integral part, but a plurality of (four) passage blocks (3) of the same shape supporting the first on-off valve (4) and the second on-off valve (5) one by one in the length direction It is formed by being arranged.
- Each on-off valve (4) (5) has a lower part (a part including at least a lower end provided with an inlet (4a) (5a) and an outlet (4b) (5b)) provided in a passage block (3).
- the first on-off valve storage recess (13) and the second on-off valve storage recess (14) are respectively stored.
- Each recess (13) (14) is provided with a female screw, and the male screw provided on the outer periphery of the bonnet (51) of each on-off valve (4) (5) is screwed to this female screw. Yes.
- Each passage block (3) includes, as passages forming the main gas passage (9), a first inverted V-shaped passage (15) having an inverted V shape as viewed from the width direction opening at both ends in the length direction, It has the 1st exit channel
- the first outlet passage (16) is a short passage extending in the vertical direction (direction perpendicular to both the length direction and the width direction).
- Each passage block (3) includes a second inverted V-shaped passage (17) having a reverse V-shape when viewed from the width direction, which is open at both ends in the length direction, as a passage forming the vent gas passage (10). It has the 2nd exit channel
- the second outlet passage (18) is a short passage extending in the vertical direction (direction perpendicular to both the length direction and the width direction).
- Each passage block (3) includes a first inlet passage (19) leading to the inlet (4a) of the first on-off valve (4) and a first inlet passage (as a passage forming the first sub-gas inflow passage (11)). 19) has a common inlet passage (20) connected in obtuse angle and extending in the width direction to the sub-gas inlet (8).
- Each passage block (3) includes a second inlet passage (21) leading to the inlet (5a) of the second on-off valve (5) and a second inlet passage (as a passage forming the second sub-gas inflow passage (12)).
- 21) has a communication path (22) that is connected at an obtuse angle and extends in the width direction and is connected to the common inlet path (20) in a straight line.
- Adjacent passage blocks (3) are abutted so that the openings of the first inverted V-shaped passage (15) and the second inverted V-shaped passage (17) overlap.
- a seal portion (23) is provided on the abutting surface between the adjacent passage blocks (3).
- the seal portion (23) is a well-known one, and a detailed description thereof is omitted.
- the open / close valve (5) includes a cylindrical bonnet (51) whose upper end is screwed onto the upper part of the open / close valve storage recess (14) provided in the passage block (3), and an outlet passage.
- a stem (56) that is inserted into the seat (52) through a diaphragm retainer (55) and is movably moved up and down, and a compression that biases the stem (56) downward.
- the coil spring (biasing member) (57) and the bonnet (51) are arranged on the inner circumference to guide the vertical movement of the stem (56) and move the stem (56).
- the guide cylinder (58) for regulating the enclosure, and the outer peripheral edge of the diaphragm (54) is arranged between the upper surface of the outer peripheral edge of the diaphragm (54) and the lower end of the guide cylinder (58).
- the guide tube (58) is composed of a thick part (58a) and a thin part (58b) continuous thereabove.
- the inner circumference of the thick part (58a) is larger in diameter than the inner circumference of the thin part (58b), and the outer circumference of the flange part provided on the stem (56) is guided by the inner circumference of the thick part (58a). It is supposed to be.
- the outer periphery of the thick part (58a) is larger in diameter than the outer periphery of the thin part (58b), and the upper surface of the thick part (58a) (the step surface between the thick part (58a) and the thin part (58b)) ) To receive the lower end surface of the bonnet (51).
- the guide tube (58) presses the diaphragm holding ring (59) downward.
- the guide tube (58) not only guides the stem (56) but also serves as a member for fixing the diaphragm holding ring (59).
- the sheet holder (53) is made of metal and has a perforated disk shape, and as shown in detail in FIG. 6, communicates with the inner peripheral edge (62) holding the sheet (52) and the entrance passage at a predetermined interval.
- the lower surface of the inner peripheral edge portion (62) and the lower surface of the outer peripheral edge portion (64) are flush with each other, and the upper surface of the inner peripheral edge portion (62) and the upper surface of the outer peripheral edge portion (64) are flush with each other.
- the sheet (52) is fitted into the sheet holder (53) from below.
- the lower surface of the inner peripheral edge portion (62) and the lower surface of the outer peripheral edge portion (64), and the upper surface of the inner peripheral edge portion (62) and the upper surface of the outer peripheral edge portion (64) are not flush with each other and form a
- annular groove (65) facing the through hole (63a) provided in the seat holder (53) is formed on the bottom surface of the recess (14).
- this annular groove (65) is indicated by a two-dot chain line.
- a plurality of through holes (63a) provided in the seat holder (53) serve as inlets (5a) of the on-off valve (5).
- the inner peripheral portion of the annular seat (52) serves as the outlet (5b) of the on-off valve (5).
- the retainer (60) is substantially cylindrical and has an inner diameter substantially equal to the outer diameter of the seat (52) and is fitted to the lower end of the guide tube (58) and the outer periphery of the diaphragm holding ring (59). And an inward flange portion (67) that is provided at the lower end portion of the peripheral wall (66) and receives the outer peripheral edge portion of the seat holder (53).
- the peripheral wall (66) is provided with a plurality of slits (not shown) extending in the axial direction for facilitating deformation of the peripheral wall (66).
- the seat (52) is held by a diaphragm valve seat holder unit including a seat holder (53) and a retainer (60), and is disposed in the recess (14) of the passage block (3).
- the seat (52) is normally replaced when used for a certain period of time.When replacing the seat (52), the retainer (60) is removed to hold the seat holder (53) and the seat (52). The attached sheet (52) can be removed. Then, the seat (52) is replaced, and if necessary, the seat holder (53) is also replaced.
- the seat (52) is held by the diaphragm valve seat holder unit including the seat holder (53) and the retainer (60). In this state, it is returned to the recess (14) of the passage block (3).
- the on-off valve (5) may not have the retainer (60). Since the retainer (60) has almost no possibility of plastic deformation, it can usually be used repeatedly.In the case of using the retainer (60), the retainer (60) does not plastically deform, so the sheet ( The ease of replacement in 52) is maintained over a long period of time.
- the configuration of the main body is simple, the number of on-off valves can be easily increased and decreased, and the dead volume can be further reduced. This can contribute to improving the performance of semiconductor processing equipment.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Valve Housings (AREA)
- Details Of Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
Description
Claims (2)
- 直方体状本体と、本体の長さ方向の両端に幅方向に間隔をおいて設けられたメインガス出入口およびベントガス出入口と、メインガス出入口同士を連通するメインガス通路と、ベントガス出入口同士を連通するベントガス通路と、本体の一側に設けられたサブガス入口と、サブガス入口に対応する位置に複数配置され全体として幅方向に並べられた開閉弁と、サブガス入口から各開閉弁の入口に通じる複数のサブガス流入通路とを備えており、サブガス入口から導入される材料ガスを適宜切り換えてメインガス通路出口から後流側処理室に供給するとともに、ベントガス通路を介して本体内ガスを排出させる流体制御装置において、
本体は、開閉弁を収納する凹所が形成された通路ブロックが長さ方向に配置されることで形成されており、
通路ブロックは、メインガス通路を形成する通路として、長さ方向両端に開口する第1逆V字状通路と、第1逆V字状通路の頂部と開閉弁の出口とを連通する第1出口通路とを有し、ベントガス通路を形成する通路として、長さ方向両端に開口する第2逆V字状通路と、第2逆V字状通路の頂部と開閉弁の出口とを連通する第2出口通路とを有し、サブガス流入通路として、各開閉弁の入口に通じる入口通路と、入口通路に連なりかつサブガス入口に通じている共通入口通路と、入口通路に連なりかつ共通入口通路に連なる連通路とを有していることを特徴とする流体制御装置。 - 各開閉弁は、通路ブロックに形成された出口通路の周縁に着脱可能に配置されたシートと、通路ブロックの凹所に着脱可能に配置されてシートを保持するシートホルダと、シートに押圧・離間されることで流体通路の開閉を行うダイヤフラムとを備え、入口通路に流入した流体が、シートホルダに設けられた貫通孔を介して出口通路に連通するようになされていることを特徴とする請求項1の流体制御装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020157035544A KR101771338B1 (ko) | 2013-12-27 | 2014-11-12 | 유체 제어 장치 |
| CN201480034189.4A CN105431661B (zh) | 2013-12-27 | 2014-11-12 | 流体控制装置 |
| US14/898,888 US9719599B2 (en) | 2013-12-27 | 2014-11-12 | Fluid control device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013-271003 | 2013-12-27 | ||
| JP2013271003A JP6186275B2 (ja) | 2013-12-27 | 2013-12-27 | 流体制御装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2015098333A1 true WO2015098333A1 (ja) | 2015-07-02 |
Family
ID=53478209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2014/079956 Ceased WO2015098333A1 (ja) | 2013-12-27 | 2014-11-12 | 流体制御装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9719599B2 (ja) |
| JP (1) | JP6186275B2 (ja) |
| KR (1) | KR101771338B1 (ja) |
| CN (1) | CN105431661B (ja) |
| TW (1) | TWI644046B (ja) |
| WO (1) | WO2015098333A1 (ja) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6346550B2 (ja) * | 2013-12-05 | 2018-06-20 | Ckd株式会社 | 流体供給制御装置 |
| WO2019059043A1 (ja) * | 2017-09-25 | 2019-03-28 | 株式会社フジキン | バルブ装置、流量調整方法、流体制御装置、流量制御方法、半導体製造装置および半導体製造方法 |
| JP7174430B2 (ja) * | 2017-09-25 | 2022-11-17 | 株式会社フジキン | バルブ装置、調整情報生成方法、流量調整方法、流体制御装置、流量制御方法、半導体製造装置および半導体製造方法 |
| CN111836985A (zh) * | 2018-02-28 | 2020-10-27 | 株式会社富士金 | 阀装置以及流体控制装置 |
| KR20220113373A (ko) * | 2019-12-20 | 2022-08-12 | 스웨이지락 캄파니 | 누출 테스트 통로를 가진 유체 구성요소 바디 |
| JP7396933B2 (ja) * | 2020-03-03 | 2023-12-12 | 日本ピラー工業株式会社 | 流路ユニット |
| KR102279186B1 (ko) * | 2020-04-02 | 2021-07-19 | 주식회사 동양에프앤씨 | 데드존 프리 기능을 갖는 블록밸브 및 이를 이용한 공정가스 샘플링장치 |
| WO2022091526A1 (ja) * | 2020-10-30 | 2022-05-05 | 株式会社フジキン | 閉止栓及び流体制御装置 |
| EP4196703A1 (en) | 2020-11-30 | 2023-06-21 | Parker-Hannifin Corporation | Dual axis seat retainer |
| KR20240026083A (ko) * | 2022-08-19 | 2024-02-27 | 가부시키가이샤 호리바 에스텍 | 유체 제어 밸브 및 유체 제어 장치 |
| JP2024129747A (ja) * | 2023-03-13 | 2024-09-27 | 株式会社不二工機 | 弁装置 |
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| US20130333768A1 (en) * | 2012-06-15 | 2013-12-19 | Ramesh Chandrasekharan | Point of use valve manifold for semiconductor fabrication equipment |
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| JP4314425B2 (ja) * | 2002-12-02 | 2009-08-19 | 株式会社フジキン | 流体制御装置 |
| JP2004183771A (ja) * | 2002-12-03 | 2004-07-02 | Fujikin Inc | 流体制御装置 |
| JP4780555B2 (ja) * | 2005-09-12 | 2011-09-28 | 株式会社フジキン | 流体制御装置 |
| JP5096864B2 (ja) | 2007-10-11 | 2012-12-12 | サーパス工業株式会社 | 流体機器ユニット構造 |
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| JP5868219B2 (ja) * | 2012-02-29 | 2016-02-24 | 株式会社フジキン | 流体制御装置 |
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2013
- 2013-12-27 JP JP2013271003A patent/JP6186275B2/ja active Active
-
2014
- 2014-11-12 WO PCT/JP2014/079956 patent/WO2015098333A1/ja not_active Ceased
- 2014-11-12 CN CN201480034189.4A patent/CN105431661B/zh not_active Expired - Fee Related
- 2014-11-12 KR KR1020157035544A patent/KR101771338B1/ko active Active
- 2014-11-12 US US14/898,888 patent/US9719599B2/en active Active
- 2014-12-26 TW TW103145625A patent/TWI644046B/zh active
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|---|---|---|---|---|
| JPH10300000A (ja) * | 1997-02-28 | 1998-11-13 | Benkan Corp | 集積化ガス制御装置 |
| JP2001521120A (ja) * | 1997-10-29 | 2001-11-06 | ユニット・インストゥルメンツ・インコーポレーテッド | ガスパネル |
| WO2004036099A1 (ja) * | 2002-10-21 | 2004-04-29 | Ckd Corporation | ガス集積弁 |
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| US20130333768A1 (en) * | 2012-06-15 | 2013-12-19 | Ramesh Chandrasekharan | Point of use valve manifold for semiconductor fabrication equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| US20160369903A1 (en) | 2016-12-22 |
| CN105431661B (zh) | 2017-07-28 |
| TW201537071A (zh) | 2015-10-01 |
| KR20160009652A (ko) | 2016-01-26 |
| TWI644046B (zh) | 2018-12-11 |
| JP6186275B2 (ja) | 2017-08-23 |
| KR101771338B1 (ko) | 2017-08-24 |
| CN105431661A (zh) | 2016-03-23 |
| US9719599B2 (en) | 2017-08-01 |
| JP2015124851A (ja) | 2015-07-06 |
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