KR930007818Y1 - 반도체 장치 제조용 용액온도 제어장치 - Google Patents
반도체 장치 제조용 용액온도 제어장치 Download PDFInfo
- Publication number
- KR930007818Y1 KR930007818Y1 KR2019910002300U KR910002300U KR930007818Y1 KR 930007818 Y1 KR930007818 Y1 KR 930007818Y1 KR 2019910002300 U KR2019910002300 U KR 2019910002300U KR 910002300 U KR910002300 U KR 910002300U KR 930007818 Y1 KR930007818 Y1 KR 930007818Y1
- Authority
- KR
- South Korea
- Prior art keywords
- temperature
- solution
- temperature control
- unit
- signal
- 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.)
- Expired - Fee Related
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Control Of Temperature (AREA)
Abstract
Description
Claims (1)
- 용액을 소정의 온도로 설정하기 위한 온도설정부(1), 상기 설정된 온도와 용액의 온도를 비교하기 위한 제 1 비교부(2), 상기 제 1 비교부(2)의 비교신호에 따라 용기(4)내의 상기 용액을 가열시키기 위한 히터부(5)를 제어하는 온도제어회로부(3)로 구성된 반도체 장치 제조용 용액온도 제어장치에 있어서, 상기 제 1 비교부(2)의 입력신호와 동일한 신호가 인가되는 제 2 비교부(8)와, 상기 제 2 비교부(8)에서 비교된 전압차에 비례하여 주파수로 변환사키는 V/F 변환부(9)와, 상기 변환된 주파수를 소정의 분주비로 분주시키기 위한 분주부(10)와, 상기 분주된 분주신호를 따라 상기 용기(4)내의 상기 용액이 상기 설정온도가 될 때까지 제어되는 솔레노이드 밸브부(11)가 더 포함됨을 특징으로 하는 반도체 장치 제조용 용액 온도 제어장치.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019910002300U KR930007818Y1 (ko) | 1991-02-18 | 1991-02-18 | 반도체 장치 제조용 용액온도 제어장치 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019910002300U KR930007818Y1 (ko) | 1991-02-18 | 1991-02-18 | 반도체 장치 제조용 용액온도 제어장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR920017083U KR920017083U (ko) | 1992-09-17 |
| KR930007818Y1 true KR930007818Y1 (ko) | 1993-11-18 |
Family
ID=19311006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019910002300U Expired - Fee Related KR930007818Y1 (ko) | 1991-02-18 | 1991-02-18 | 반도체 장치 제조용 용액온도 제어장치 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR930007818Y1 (ko) |
-
1991
- 1991-02-18 KR KR2019910002300U patent/KR930007818Y1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR920017083U (ko) | 1992-09-17 |
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| UG1501 | Laying open of application |
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| P13-X000 | Application amended |
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| UG1604 | Publication of application |
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| E701 | Decision to grant or registration of patent right | ||
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