KR20220103583A - 박막 성막 파라미터를 동적으로 조정하기 위한 시스템 및 방법 - Google Patents
박막 성막 파라미터를 동적으로 조정하기 위한 시스템 및 방법 Download PDFInfo
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Abstract
Description
도 2는 일 실시예에 따른 박막 성막 시스템의 제어 시스템의 블록도이다.
도 3a는 일 실시예에 따른 제어 시스템의 분석 모델을 트레이닝(training)시키기 위한 프로세스의 흐름도이다.
도 3b는 일 실시예에 따른 분석 모드의 동작 및 트레이닝 양상을 예시하는 블록도이다.
도 4는 일 실시예에 따른 분석 모델과 함께 박막 성막 프로세스를 수행하기 위한 프로세스의 흐름도이다.
도 5는 일 실시예에 따른 박막을 형성하기 위한 방법의 흐름도이다.
도 6은 일 실시예에 따른 박막을 형성하기 위한 방법의 흐름도이다.
Claims (10)
- 박막 성막 방법에 있어서,
정적 프로세스 조건 데이터를 분석 모델(140)에 제공하는 단계;
상기 분석 모델을 사용해, 제1 동적 프로세스 조건 데이터를 선택하는 단계;
상기 분석 모델을 사용해, 상기 정적 프로세스 조건 데이터 및 상기 제1 동적 프로세스 조건 데이터에 기초하여 제1 예측 박막 데이터를 생성하는 단계;
상기 제1 예측 박막 데이터를 타겟(target) 박막 데이터와 비교하는 단계;
상기 제1 예측 박막 데이터가 상기 타겟 박막 데이터와 매칭되면(match), 상기 정적 프로세스 조건 데이터 및 상기 제1 동적 프로세스 조건 데이터에 기초한 성막 프로세스 조건을 사용해 박막 성막 프로세스를 수행하는 단계; 및
상기 제1 예측 박막 데이터가 상기 타겟 박막 데이터와 매칭되지 않으면, 상기 제1 동적 프로세스 조건 데이터를 조정하는 단계
를 포함하는, 박막 성막 방법. - 제1항에 있어서,
상기 제1 예측 박막 데이터가 상기 타겟 박막 데이터와 매칭되지 않으면,
상기 조정된 제1 동적 프로세스 조건 데이터에 기초하여 제2 예측 박막 데이터를 생성하는 단계;
제2 예측 박막 데이터를 상기 타겟 박막 데이터와 비교하는 단계; 및
상기 제2 예측 박막 데이터가 상기 타겟 박막 데이터와 매칭되면, 상기 정적 프로세스 조건 데이터 및 상기 조정된 제1 동적 프로세스 조건 데이터에 기초한 성막 프로세스 조건을 사용해 상기 박막 성막 프로세스를 수행하는 단계
를 더 포함하는, 박막 성막 방법. - 제1항에 있어서,
상기 박막 성막 프로세스는 원자 층 성막 프로세스인 것인, 박막 성막 방법. - 제3항에 있어서,
상기 박막 성막 프로세스를 수행하는 단계는 상기 원자 층 성막 프로세스의 제1 사이클을 수행하는 단계를 포함하는 것인, 박막 성막 방법. - 제4항에 있어서,
상기 제1 사이클 후에,
상기 분석 모델을 사용해, 제2 동적 프로세스 조건 데이터를 식별하는 단계; 및
상기 정적 프로세스 조건 데이터 및 상기 제2 동적 프로세스 조건 데이터에 기초하여 상기 원자 층 성막 프로세스의 제2 사이클을 수행하는 단계
를 더 포함하는, 박막 성막 방법. - 제1항에 있어서,
상기 분석 모델은 신경망(neural network)을 포함하는 것인, 박막 성막 방법. - 제1항에 있어서,
상기 정적 프로세스 조건 데이터는,
성막 물질;
성막 표면의 피처(features); 및
성막 장비의 연령
중 하나 이상을 포함하는 것인, 박막 성막 방법. - 제7항에 있어서,
상기 제1 동적 프로세스 조건 데이터는,
상기 성막 물질의 유량(flow rate);
상기 성막 물질의 흐름 지속 시간;
상기 성막 챔버의 압력;
상기 성막 챔버의 온도; 및
상기 성막 챔버의 습도
중 하나 이상을 포함하는 것인, 박막 성막 방법. - 박막 성막 방법에 있어서,
박막의 특성을 예측하기 위해 머신 러닝 프로세스를 사용해 분석 모델(140)을 트레이닝시키는 단계;
상기 분석 모델을 트레이닝시키는 단계 후에, 타겟 박막 데이터를 상기 분석 모델에 제공하는 단계;
상기 분석 모델을 사용해, 상기 타겟 박막 데이터에 부합하는(comply) 예측 박막 데이터를 초래하는 프로세스 조건 데이터를 식별하는 단계; 및
상기 프로세스 조건 데이터에 따라 성막 프로세스 조건을 사용해 반도체 웨이퍼(104)에 대해 박막 성막 프로세스를 수행하는 단계
를 포함하는, 박막 성막 방법. - 박막 성막 시스템에 있어서,
박막 성막 챔버(102);
상기 박막 성막 챔버 내에서 기판을 지지하도록 구성된 지지체(106);
박막 성막 프로세스 동안 상기 박막 성막 챔버 내로 유체를 제공하도록 구성된 유체 소스(fluid source, 108); 및
머신 러닝 프로세스에 기초하여 상기 박막 성막 프로세스에 대한 프로세스 조건 데이터를 식별하고 상기 프로세스 조건 데이터에 따라 상기 박막 성막 프로세스 동안 상기 유체 소스를 제어하도록 구성된 제어 시스템(124)
을 포함하는, 박막 성막 시스템.
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WO2025101802A1 (en) * | 2023-11-09 | 2025-05-15 | Applied Materials, Inc. | Process modeling platform for substrate manufacturing systems |
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CN115458422A (zh) * | 2022-09-06 | 2022-12-09 | 中国科学院半导体研究所 | 基于机器学习的半导体工艺过程控制方法 |
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CN118547268B (zh) * | 2024-07-26 | 2024-11-19 | 上海派拉纶生物技术股份有限公司 | 一种Parylene镀覆系统、方法及控制模块 |
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WO2025101802A1 (en) * | 2023-11-09 | 2025-05-15 | Applied Materials, Inc. | Process modeling platform for substrate manufacturing systems |
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KR20240018554A (ko) | 2024-02-13 |
TW202230183A (zh) | 2022-08-01 |
TWI818241B (zh) | 2023-10-11 |
CN114457324A (zh) | 2022-05-10 |
US20220228265A1 (en) | 2022-07-21 |
US20240376605A1 (en) | 2024-11-14 |
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