KR102307737B1 - 정전 용량 측정용의 센서 칩 및 센서 칩을 구비한 측정기 - Google Patents
정전 용량 측정용의 센서 칩 및 센서 칩을 구비한 측정기 Download PDFInfo
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- KR102307737B1 KR102307737B1 KR1020160072572A KR20160072572A KR102307737B1 KR 102307737 B1 KR102307737 B1 KR 102307737B1 KR 1020160072572 A KR1020160072572 A KR 1020160072572A KR 20160072572 A KR20160072572 A KR 20160072572A KR 102307737 B1 KR102307737 B1 KR 102307737B1
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- G01D5/24—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance
- G01D5/241—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes
- G01D5/2417—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing the magnitude of a current or voltage by varying capacitance by relative movement of capacitor electrodes by varying separation
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- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
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Abstract
Description
도 2는 정전 용량을 측정하기 위한 센서 칩의 일례를 나타내는 도이다.
도 3은 도 2의 센서 칩을 이용하여 측정한 정전 용량을 나타내는 그래프이다.
도 4는 반송 장치를 가지는 처리 시스템을 예시하는 도이다.
도 5는 플라즈마 처리 장치의 일례를 나타내는 도이다.
도 6은 일실시 형태에 따른 측정기의 사시도이다.
도 7은 일실시 형태에 따른 센서 칩의 사시도이다.
도 8은 도 7의 VIII-VIII선을 따라 취한 단면도이다.
도 9는 도 8의 IX-IX선을 따라 취한 단면도이다.
도 10은 일실시 형태에서의 회로 기판의 구성을 나타내는 도이다.
도 11은 회로 기판(106) 및 센서 칩(104)의 등가 회로도이다.
도 12는 일실시 형태에 따른 처리 시스템의 반송 장치의 조정 방법을 나타내는 순서도이다.
도 13은 다른 실시 형태에 따른 센서 칩의 종단면도이다.
도 14는 센서 칩의 성능 평가의 결과를 나타내는 그래프이다.
도 15는 또 다른 실시 형태에 따른 센서 칩의 종단면도이다.
LM : 로더 모듈
AN : 얼라이너
LL1, LL2 : 로드록 챔버
TC : 트랜스퍼 챔버
TU1, TU2 : 반송 장치
PM1 ~ PM6 : 프로세스 모듈
MC : 제어부
10 : 플라즈마 처리 장치
12 : 처리 용기
30 : 상부 전극
40 : 가스 소스군
50 : 배기 장치
62 : 제 1 고주파 전원
64 : 제 2 고주파 전원
PD : 배치대
LE : 하부 전극
ESC : 정전 척
FR : 포커스 링
P1 : 제 1 부분
P2 : 제 2 부분
100 : 측정기
102 : 베이스 기판
104 : 센서 칩
104A ~ 104H : 센서 칩
104f : 전측 단면
141 : 제 1 전극
141a : 제 1 부분
142 : 제 2 전극
142a : 제 2 부분
143 : 제 3 전극
143f : 전면
106 : 회로 기판
108, 108A ~ 108H : 배선군
161 : 고주파 발진기
162 : C/V 변환 회로
162A ~ 162H : C/V 변환 회로
163 : A/D 변환기
164 : 프로세서
165 : 기억 장치
167 : 전원
GL : 그라운드 전위선
SWG : 스위치
Claims (10)
- 정전 용량 측정용의 센서 칩으로서,
제 1 부분을 가지는 제 1 전극과,
상기 제 1 부분 상에서 연장되는 제 2 부분을 가지고, 상기 센서 칩 내에서 상기 제 1 전극으로부터 절연된 제 2 전극과,
상기 제 1 부분 및 상기 제 2 부분에 교차하는 방향으로 연장되는 전면을 가지고, 상기 제 1 부분 상 또한 상기 제 2 부분 상에 마련되고, 상기 센서 칩 내에서 상기 제 1 전극 및 상기 제 2 전극으로부터 절연된 제 3 전극과,
단면을 구비하고,
상기 단면은 정해진 곡률을 가지는 곡면이며,
상기 제 3 전극의 상기 전면은 상기 단면을 따라 연장되어 있는 센서 칩. - 제 1 항에 있어서,
상기 제 1 전극 및 상기 제 2 전극은 상기 제 3 전극의 상기 전면이 배치되어 있는 영역의 측으로 개구되고, 또한, 상기 제 3 전극의 주위를 둘러싸도록 연장되어 있는 센서 칩. - 삭제
- 제 1 항 또는 제 2 항에 있어서,
전면 및 하면을 포함한 표면을 가지고, 상기 표면에서 절연성을 가지는 기판부를 더 구비하고,
상기 제 3 전극은 상기 기판부의 상기 전면을 따라 연장되어 있고,
상기 제 2 전극의 상기 제 2 부분은 상기 기판부의 상기 하면을 따라 연장되어 있는 센서 칩. - 제 4 항에 있어서,
상기 기판부는 절연 재료로 형성되어 있는 센서 칩. - 제 5 항에 있어서,
상기 절연 재료는 붕규산 글라스, 질화 실리콘, 석영 또는 산화 알루미늄인 센서 칩. - 정전 용량을 측정하기 위한 측정기로서,
베이스 기판과,
상기 베이스 기판의 엣지를 따라 배열된 복수의 센서 칩으로, 각각이 제 1 항 또는 제 2 항에 기재된 센서 칩인, 상기 복수의 센서 칩과,
상기 베이스 기판 상에 탑재된 회로 기판
을 구비하고,
상기 회로 기판은,
상기 제 1 전극에 전기적으로 접속 가능한 그라운드 전위선과,
고주파 신호를 발생하는 고주파 발진기로, 상기 제 2 전극 및 상기 제 3 전극에 전기적으로 접속된 상기 고주파 발진기와,
상기 복수의 센서 칩의 각각의 상기 제 3 전극에서의 전압 진폭을, 정전 용량을 나타내는 전압 신호로 변환하는 C/V 변환 회로와,
상기 C/V 변환 회로로부터 출력되는 상기 전압 신호를 디지털값으로 변환하는 A/D 변환기
를 가지는 측정기. - 제 7 항에 있어서,
상기 회로 기판은,
상기 디지털값을 기억하기 위한 기억 장치와,
상기 기억 장치에 기억된 디지털값을 무선 송신하기 위한 통신 장치
를 더 가지는 측정기. - 제 7 항에 있어서,
상기 회로 기판은 상기 제 1 전극을 상기 그라운드 전위선에 선택적으로 접속하기 위한 스위치를 더 가지는 측정기. - 제 7 항에 있어서,
상기 베이스 기판은 원반 형상을 가지고 있고,
상기 복수의 센서 칩의 각각의 상기 단면은 상기 베이스 기판의 엣지를 따라 마련되어 있는 측정기.
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JPJP-P-2015-118184 | 2015-06-11 | ||
JP2015118184 | 2015-06-11 | ||
JPJP-P-2015-207787 | 2015-10-22 | ||
JP2015207787A JP6537433B2 (ja) | 2015-06-11 | 2015-10-22 | 静電容量測定用のセンサチップ及び同センサチップを備えた測定器 |
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KR20160146574A KR20160146574A (ko) | 2016-12-21 |
KR102307737B1 true KR102307737B1 (ko) | 2021-10-01 |
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JP6832207B2 (ja) * | 2017-03-29 | 2021-02-24 | 東京エレクトロン株式会社 | 静電容量測定用の測定器 |
JP6948873B2 (ja) | 2017-07-31 | 2021-10-13 | 東京エレクトロン株式会社 | 測定器を較正する方法、及び、ケース |
JP2019096757A (ja) * | 2017-11-24 | 2019-06-20 | 東京エレクトロン株式会社 | 測定器のずれ量を求める方法、及び、処理システムにおける搬送位置データを較正する方法 |
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