KR100270821B1 - 파티클모니터장치 - Google Patents
파티클모니터장치 Download PDFInfo
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- KR100270821B1 KR100270821B1 KR1019970015733A KR19970015733A KR100270821B1 KR 100270821 B1 KR100270821 B1 KR 100270821B1 KR 1019970015733 A KR1019970015733 A KR 1019970015733A KR 19970015733 A KR19970015733 A KR 19970015733A KR 100270821 B1 KR100270821 B1 KR 100270821B1
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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
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/20—Sequence of activities consisting of a plurality of measurements, corrections, marking or sorting steps
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4788—Diffraction
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/12—Measuring as part of the manufacturing process for structural parameters, e.g. thickness, line width, refractive index, temperature, warp, bond strength, defects, optical inspection, electrical measurement of structural dimensions, metallurgic measurement of diffusions
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- H—ELECTRICITY
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- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
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Abstract
Description
Claims (9)
- 펄스 레이저빔을 방출하는 광원;웨이퍼프로세싱장치 내에 웨이퍼 위쪽의 공간을 통하여 상기 펄스 레이저빔을 투광시켜, 상기 웨이퍼 위쪽에서 부유하는 파티클을 조광하는 투광수단;고정 광분석기와 레이저빔 펄스의 소정의 수마다 회전하는 회전가능 파장판의 세트로서, 상기 공간 내에 부유하는 파티클에 의해 산란된 산란광의 편광의 변동을 검출하여, 파티클의 수밀도뿐만아니라 파티클의 굴절률, 파티클의 크기, 파티클의 분포를 예측하는데 필요한 실시간 스톡스파라미터들을 시간에 따라 검지하는, 고정 광분석기와 회전가능 파장판의 세트;상기 산란광 또는 발광을 검출하고, 상기 산란광의 강도에 따라 출력신호를 발생시키는 광검출수단;상기 광검출수단으로부터의 상기 출력신호를 수신하고, 상기 출력신호를 신호강도판정수단에 미리 설정된 소정의 기준값에 비교하여, 상기 산란광의 강도가 상기 소정의 기준값보다 높은지 또는 낮은지를 판정하는 신호강도판정수단; 및(a) 상기 산란광과 발광의 강도 및 그들의 강도의 분포와 (b) 파티클의 크기 및 개수의 분포 중의 적어도 하나를 표시하는 표시장치로 이루어진 것을 특징으로 하는 파티클 모니터 장치.
- 제 1 항에 있어서,상기 신호강도판정수단의 출력신호를 기초로 하여 웨이퍼프로세싱장치의 동작을 제어하는 제어수단을 더 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 1 항에 있어서,상기 제어수단의 제어하에서 동작될 수 있는 인시츄 클리닝수단을 더 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 1 항에 있어서,상기 제어수단의 제어하에서 동작가능하며, 상기 웨이퍼프로세싱장치의 분해 검사를 위해 웨이퍼프로세싱의 동작을 정지시키는 프로세싱정지수단을 더 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 반도체웨이퍼프로세싱장치용 파티클 모티터 장치로서,상기 반도체웨이퍼프로세싱장치 내의 공간을 통과하는 광으로서 반도체웨이퍼의 하나의 개소 위쪽에 있는 상기 광을 지향시켜 상기 지향된 광이 상기 개소 상으로 침범하지 않도록 하는 광원;상기 광원이 상기 공간을 통과하도록 상기 광을 지향시키는 경우에, 상기 공간 내에서 부유하는 파티클로부터 산란광을 검출하고, 상기 산란광의 강도에 따라 출력신호를 발생시키는 광검출수단;상기 출력신호를 수신하고, 기준값과 비교하는 신호강도검출수단; 및상기 기준값에 대한 상기 비교결과를 표시하는 표시수단으로 이루어지며,상기 광원은 펄스 레이저빔을 제공하고,상기 광검출수단은 상기 광원으로부터의 상기 펄스 레이저빔의 방향에 수직으로 산란되는 상기 부유하는 파티클로부터의 광을 검출하고, 상기 광원으로부터의 상기 펄스 레이저광을 편광시키는 편광수단을 포함하며,상기 신호강도검출수단은 상기 출력신호로부터 상기 공간 내에서 부유하는 파티클의 직경과 수밀도를 결정하는 수단을 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 5 항에 있어서,상기 광원은 연속 레이저빔과 펄스 레이저빔 중의 하나를 제공하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 5 항에 있어서,상기 신호강도검출수단은 상기 출력신호로부터 파티클의 직경과 수밀도를 결정하는 수단을 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 5 항에 있어서,상기 신호강도검출수단은 상기 출력신호로부터 상기 광을 산란시키는 파티클이 상기 공간의 내부표면으로부터 플랙킹함으로써 생성되는지를 결정하는 수단을 포함하는 것을 특징으로 하는 파티클 모니터 장치.
- 제 5 항에 있어서,상기 광검출수단은 상기 광원으로부터의 광을 편광시키는 편광수단, 고정된 분석기, 및 상기 산란광이 투광되는 회전가능 1/4 파장판을 포함하는 것을 특징으로 하는 파티클 모니터 장치.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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JP96-130957 | 1996-04-26 | ||
JP13095796 | 1996-04-26 | ||
JP8301361A JP2982720B2 (ja) | 1996-04-26 | 1996-10-25 | パーティクルモニター装置およびこれを具備した無塵化プロセス装置 |
JP96-301361 | 1996-10-25 |
Publications (2)
Publication Number | Publication Date |
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KR19980032091A KR19980032091A (ko) | 1998-07-25 |
KR100270821B1 true KR100270821B1 (ko) | 2001-03-02 |
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ID=26465933
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Application Number | Title | Priority Date | Filing Date |
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KR1019970015733A KR100270821B1 (ko) | 1996-04-26 | 1997-04-26 | 파티클모니터장치 |
Country Status (5)
Country | Link |
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US (1) | US5870189A (ko) |
EP (1) | EP0821401A3 (ko) |
JP (1) | JP2982720B2 (ko) |
KR (1) | KR100270821B1 (ko) |
TW (1) | TW325587B (ko) |
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CN119164846A (zh) * | 2024-09-11 | 2024-12-20 | 晶格码(青岛)智能科技有限公司 | 一种实时在线探头式成像拉曼耦合方法、介质及系统 |
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US4569592A (en) * | 1981-12-11 | 1986-02-11 | Hitachi, Ltd. | Plasma monitor |
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US3985447A (en) * | 1975-08-29 | 1976-10-12 | Bell Telephone Laboratories, Incorporated | Measurement of thin films by polarized light |
US4804853A (en) * | 1987-04-23 | 1989-02-14 | High Yield Technology | Compact particle flux monitor |
JPH0739994B2 (ja) * | 1988-10-12 | 1995-05-01 | 三菱電機株式会社 | 微細粒子測定装置 |
JPH02246328A (ja) * | 1989-03-20 | 1990-10-02 | Fujitsu Ltd | 薄膜形成装置およびエッチング装置 |
JPH0382763A (ja) * | 1989-08-25 | 1991-04-08 | Fujitsu Ltd | 薄膜形成方法およびエッチング方法 |
US5255089A (en) * | 1992-03-26 | 1993-10-19 | International Business Machines Corporation | Portable particle detector assembly |
US5355212A (en) * | 1993-07-19 | 1994-10-11 | Tencor Instruments | Process for inspecting patterned wafers |
US5659390A (en) * | 1995-02-09 | 1997-08-19 | Inspex, Inc. | Method and apparatus for detecting particles on a surface of a semiconductor wafer having repetitive patterns |
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1996
- 1996-10-25 JP JP8301361A patent/JP2982720B2/ja not_active Expired - Fee Related
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1997
- 1997-04-25 TW TW086105459A patent/TW325587B/zh not_active IP Right Cessation
- 1997-04-26 KR KR1019970015733A patent/KR100270821B1/ko not_active IP Right Cessation
- 1997-04-28 EP EP97106990A patent/EP0821401A3/en not_active Withdrawn
- 1997-04-28 US US08/837,942 patent/US5870189A/en not_active Expired - Lifetime
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US4569592A (en) * | 1981-12-11 | 1986-02-11 | Hitachi, Ltd. | Plasma monitor |
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US9978567B2 (en) | 2014-01-29 | 2018-05-22 | Semes Co., Ltd. | Apparatus and method of treating a substrate |
Also Published As
Publication number | Publication date |
---|---|
EP0821401A3 (en) | 1998-12-16 |
JPH1010036A (ja) | 1998-01-16 |
KR19980032091A (ko) | 1998-07-25 |
EP0821401A2 (en) | 1998-01-28 |
TW325587B (en) | 1998-01-21 |
JP2982720B2 (ja) | 1999-11-29 |
US5870189A (en) | 1999-02-09 |
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