KR100855900B1 - 화학물질 충진시의 액상 수위 진단장치 - Google Patents
화학물질 충진시의 액상 수위 진단장치 Download PDFInfo
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- KR100855900B1 KR100855900B1 KR1020070001756A KR20070001756A KR100855900B1 KR 100855900 B1 KR100855900 B1 KR 100855900B1 KR 1020070001756 A KR1020070001756 A KR 1020070001756A KR 20070001756 A KR20070001756 A KR 20070001756A KR 100855900 B1 KR100855900 B1 KR 100855900B1
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- liquid chemical
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M1/00—Analogue/digital conversion; Digital/analogue conversion
- H03M1/001—Analogue/digital/analogue conversion
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/30—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats
- G01F23/56—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements
- G01F23/60—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by floats using elements rigidly fixed to, and rectilinearly moving with, the floats as transmission elements using electrically actuated indicating means
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Business, Economics & Management (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Emergency Management (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Acoustics & Sound (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims (5)
- 삭제
- 반도체 제조공정 등의 화학증착 공정에 사용되는 액상 화학 물질이 수용된 용기(200)와;상기 용기(200) 내부의 액상 화학 물질의 수위를 측정하기 위하여 용기 하부에 배치된 초음파 센서(510)를 포함하는 액상 화학 물질의 수위 진단기구(500);상기 수위 진단기구와 전기적으로 연결되어 수신된 아날로그 초음파 신호를 디지탈 신호로 변환하는 A/D 변환기(600);상기 A/D 변환기에 전기적으로 연결되어 이미 설정된 기준 수위 데이터와 비교하여 용기 내 액상 화학 물질의 수위가 기준 수위 이하인 여부를 판단하는 제어부(700);상기 제어부에 전기적으로 연결되어 용기 내의 액상 화학 물질의 수위가 기준 수위 이하인 경우 작동하는 경보기구(800); 및상기 용기(200) 내에 수용된 액상 화학물질 수위의 요동에도 불구하고 수위를 정확하게 진단할 수 있도록 용기 내의 화학 물질 수면 위에 설치된 부유체(1100)와,상기 부유체(1100)를 용기(200)의 상부에 이동가능하게 유지시키는 금속 스토퍼(1300)와,상기 부유체(1100)와 상기 금속 스토퍼(1300)를 연결시키는 탄성의 와이어(1200)가 설치된 수위진단 보조기구(1000)를 구비하여 이루어지는 것을 특징으로 하는 용기 내의 화학 물질의 수위 진단장치.
- 제 2항에 있어서, 상기 수위진단 보조기구(1000)는 경보기구(1400)를 더 구비하는 것을 특징으로 하는 용기 내 화학 물질의 수위진단장치.
- 제 2항에 있어서, 상기 부유체(1100)는 알루미늄을 포함하는 금속인 용기 내 화학 물질의 수위진단장치.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020070001756A KR100855900B1 (ko) | 2007-01-05 | 2007-01-05 | 화학물질 충진시의 액상 수위 진단장치 |
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KR1020070001756A KR100855900B1 (ko) | 2007-01-05 | 2007-01-05 | 화학물질 충진시의 액상 수위 진단장치 |
Publications (2)
Publication Number | Publication Date |
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KR20080064660A KR20080064660A (ko) | 2008-07-09 |
KR100855900B1 true KR100855900B1 (ko) | 2008-09-03 |
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KR1020070001756A KR100855900B1 (ko) | 2007-01-05 | 2007-01-05 | 화학물질 충진시의 액상 수위 진단장치 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8905290B2 (en) | 2012-11-30 | 2014-12-09 | Samsung Electronics Co., Ltd. | Apparatus for mounting semiconductor chips on a circuit board |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006242630A (ja) * | 2005-03-01 | 2006-09-14 | Korea Research Inst Of Standards & Science | 化学蒸着工程時、容器内の前駆体残存量の診断装置及び診断方法 |
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- 2007-01-05 KR KR1020070001756A patent/KR100855900B1/ko active IP Right Grant
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2006242630A (ja) * | 2005-03-01 | 2006-09-14 | Korea Research Inst Of Standards & Science | 化学蒸着工程時、容器内の前駆体残存量の診断装置及び診断方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8905290B2 (en) | 2012-11-30 | 2014-12-09 | Samsung Electronics Co., Ltd. | Apparatus for mounting semiconductor chips on a circuit board |
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