JPS6210438U - - Google Patents

Info

Publication number
JPS6210438U
JPS6210438U JP10238685U JP10238685U JPS6210438U JP S6210438 U JPS6210438 U JP S6210438U JP 10238685 U JP10238685 U JP 10238685U JP 10238685 U JP10238685 U JP 10238685U JP S6210438 U JPS6210438 U JP S6210438U
Authority
JP
Japan
Prior art keywords
waste liquid
concentration
concentration detector
discharge hole
rotary table
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.)
Pending
Application number
JP10238685U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP10238685U priority Critical patent/JPS6210438U/ja
Publication of JPS6210438U publication Critical patent/JPS6210438U/ja
Pending legal-status Critical Current

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Description

【図面の簡単な説明】[Brief explanation of the drawing]

第1図は本考案に係る半導体製造装置の一実施
例を示す正断面図、第2図は第1図の装置による
高濃度廃液の排水時の状態を示す正断面図、第3
図は第1図の装置による低濃度廃液の排水時の状
態を示す正断面図である。第4図は本考案の前提
となる半導体製造装置を示す正断面図である。 6…半導体ウエーハ、7…廃液回収槽、7a…
底部、8…排出孔、9a,9b…2系統の配管系
〔第1、第2の排出管〕、10…濃度検出器〔p
H測定器〕、11a,11b…自動切換弁〔第1
、第2の電磁弁〕。
FIG. 1 is a front sectional view showing an embodiment of a semiconductor manufacturing apparatus according to the present invention, FIG.
The figure is a front cross-sectional view showing the state when low concentration waste liquid is drained by the apparatus of FIG. 1. FIG. 4 is a front sectional view showing a semiconductor manufacturing apparatus which is the premise of the present invention. 6... Semiconductor wafer, 7... Waste liquid recovery tank, 7a...
Bottom, 8...Discharge hole, 9a, 9b...2 piping system [first, second discharge pipe], 10...Concentration detector [p
H measuring device], 11a, 11b... automatic switching valve [first
, second solenoid valve].

Claims (1)

【実用新案登録請求の範囲】 表面に処理液が塗布された半導体ウエーハを保
持する回転テーブルと、 該回転テーブルの周囲を囲繞するように設置さ
れた廃液回収槽と、 該廃液回収槽の底部に設けられた排出孔と連通
する2系統の配管系と、 上記排出孔から廃棄される処理液を含んだ廃液
の濃度を検出する濃度検出器と、 上記配管系に設けられ、濃度検出器で検知され
た廃液濃度に基づいて配管系への廃液の流入を切
換える自動切換弁とを具備したことを特徴とする
半導体製造装置。
[Scope of Claim for Utility Model Registration] A rotary table that holds a semiconductor wafer whose surface is coated with a processing liquid, a waste liquid collection tank installed around the rotary table, and a bottom part of the waste liquid collection tank. two piping systems communicating with the provided discharge hole; a concentration detector that detects the concentration of waste liquid containing the treated liquid disposed of from the discharge hole; and a concentration detector provided in the piping system and detected by the concentration detector. 1. A semiconductor manufacturing device comprising: an automatic switching valve that switches the flow of waste liquid into a piping system based on the concentration of the waste liquid.
JP10238685U 1985-07-04 1985-07-04 Pending JPS6210438U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10238685U JPS6210438U (en) 1985-07-04 1985-07-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10238685U JPS6210438U (en) 1985-07-04 1985-07-04

Publications (1)

Publication Number Publication Date
JPS6210438U true JPS6210438U (en) 1987-01-22

Family

ID=30973988

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10238685U Pending JPS6210438U (en) 1985-07-04 1985-07-04

Country Status (1)

Country Link
JP (1) JPS6210438U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871494A (en) * 1994-08-31 1996-03-19 Mitsubishi Chem Corp Automatic preparation of dyestuff solution

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0871494A (en) * 1994-08-31 1996-03-19 Mitsubishi Chem Corp Automatic preparation of dyestuff solution

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