KR101898121B1 - 워크피스 처리 방법 및 그러한 방법을 위해 설계된 장치 - Google Patents
워크피스 처리 방법 및 그러한 방법을 위해 설계된 장치 Download PDFInfo
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- KR101898121B1 KR101898121B1 KR1020160135970A KR20160135970A KR101898121B1 KR 101898121 B1 KR101898121 B1 KR 101898121B1 KR 1020160135970 A KR1020160135970 A KR 1020160135970A KR 20160135970 A KR20160135970 A KR 20160135970A KR 101898121 B1 KR101898121 B1 KR 101898121B1
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Abstract
Description
도 1은 본 발명의 전형적인 실시예에 따라 3개의 층을 포함하는 결합된 스택을 보여주는 도면.
도 2는 본 발명의 전형적인 일 실시예에 따라 도 1의 스택에서 결합 해제된 2개의 인접 층들을 결합 해제하기 위해 사용된 결합 해제 장치를 개략적으로 예시하는 도면.
도 3은 본 발명의 전형적인 일 실시예에 따라 도 2의 장치에서 노즐과 결합된 스택 사이의 상대적인 움직임을 설명하는 도면.
도 4는 본 발명의 전형적인 일 실시예에 따라 도 1의 스택에서 2개의 인접 층들 사이의 접합부에서 불어지는 가스 분사를 예시하는 도면.
도 5는 본 발명의 전형적인 일 실시예에 따라 박리력을 낮추기 위한 처리를 겪는 인터포저 층을 예시하는 도면.
도 6은 본 발명의 전형적인 일 실시예에 따라 층들의 인터페이스로의 가스 분사의 진입을 용이하게 하기 위해 2개의 인접 층들 사이의 접합부의 부분이 잘라내어지는 것을 보여주는 도면.
도 7은 본 발명의 전형적인 일 실시예에 따라 워크피스 층으로부터 인터포저 층 전체가 박리되는 것을 개략적으로 예시하는 도면.
도 8은 본 발명의 전형적인 일 실시예에 따라 인터포저 층의 다양한 구조를 보여주는 도면.
Claims (20)
- 워크피스 처리 방법으로서,
(1) 접착 박리를 낮추기 위해 캐리어 층의 결합 표면을 사전처리 하는 단계;
(2) 상기 캐리어 층, 워크피스 층, 및 캐리어 층과 워크피스 층 사이의 인터포저 층을 포함하는 결합된 스택을 마련하는 단계;
(3) 상기 워크피스 층을 가공하는 단계;
(4) 2개의 인접 층들 사이의 박리 강도를 ASTM D6862에 의해 결정된 것과 같이 0.01g/㎝ 부터 50.0g/㎝ 까지의 범위로 감소시키는 단계; 및
(5) 상기 2개의 인접 층을 분리 또는 결합 해제하기 위해 상기 스택에서 2개의 인접 층들 사이의 접합부에서 가스 분사를 전달하는 단계를 포함하는, 워크피스 처리 방법. - 제1 항에 있어서,
상기 2개의 인접 층은 캐리어 층과 인터포저 층인, 워크피스 처리 방법. - 제1 항에 있어서,
상기 캐리어 층은 유리, 실리콘, 세라믹, 사파이어, 석영, 폴리실리콘, 이산화규소, 실리콘-게르마늄, 실리콘 (옥시)니트라이드, 갈륨 니트라이드(GaN), 갈륨 아세나이드(GaAs), 인화갈륨(GaP), 갈륨비소인(GaAsP), 탄화규소(SiC), 구리, 알루미늄, 금, 텅스텐, 탄탈; 낮은 k 절연체, 폴리머 절연체, 및 질화금속, 및 규소화합물로부터 선택된 재료로 만들어지는, 워크피스 처리 방법. - 제1 항에 있어서,
인터포저 층을 향하는 워크피스 층의 표면은, 실리콘, 폴리실리콘, 이산화규소, 실리콘-게르마늄, 실리콘 (옥시)니트라이드, 갈륨 니트라이드(GaN), 갈륨 아세나이드(GaAs), 인화갈륨(GaP), 갈륨비소인(GaAsP), 탄화규소(SiC), 스테인레스 스틸, 구리, 알루미늄, 금, 텅스텐, 탄탈; 낮은 k 절연체, 폴리머 절연체, 및 다양한 질화금속, 및 규소화합물 상에 또는 이들로부터 제조된 마이크로디바이스(microdevice)를 포함하고,
상기 마이크로디바이스는 집적 회로, 미세 전자 기계 시스템(MEMS), 마이크로센서, 파워(power) 반도체, 발광 다이오드, 포토닉(photonic) 회로, 인터포저, 임베디드(embedded) 패시브 장치, 땜납 범프, 금속 포스트(post), 및 금속 기둥(pillar)으로부터 선택되는, 워크피스 처리 방법. - 제1 항에 있어서,
단계 (3)에서 워크피스 층을 가공하는 것은 그라인딩(grinding), 폴리싱(polishing), 포토레지스트 스핀 코팅, 포토리소그래프, 전기 도금, 물리 증착법, 금속 재분배 층 형성, TSV-형성, 화학적 기계적 연마, 에칭, 금속 및 절연체 증착법, 패터닝(patterning), 패시베이션(passivation), 어닐링(annealing), 트랜스퍼링(transferring), 및 이들의 임의의 결합을 포함하는, 워크피스 처리 방법. - 제1 항에 있어서,
단계 (3)에서 워크피스 층을 가공하는 것은, 광학 렌즈, 얇은 웨이퍼, 얇은 LCD 유리, 얇은 수정 웨이퍼, 얇은 금속판, 얇은 크리스털 디스크, 및 얇은 고체막, 필름 또는 필터로부터 선택된 얇은 제품을 만들기 위해 상기 워크피스를 그라인딩하는 것을 포함하는, 워크피스 처리 방법 - 제1 항에 있어서,
상기 가스는 공기, 질소, 헬륨, 아르곤, 또는 이들의 임의의 혼합물로부터 선택되는, 워크피스 처리 방법. - 제1 항에 있어서,
상기 가스 분사는 노즐을 통한 파이프에서의 가스 흐름을 배출함으로써 발생되는, 워크피스 처리 방법. - 제8 항에 있어서,
상기 가스 흐름은 2 내지 10바의 범위에 있는 압력을 가지는, 워크피스 처리 방법. - 제8 항에 있어서,
상기 "가스 분사를 전달하는 것"은 상기 접합부를 둘러싸는 1개 내지 6개의 노즐을 사용하여 행해지는, 워크피스 처리 방법. - 제10 항에 있어서,
상기 "가스 분사를 전달하는 것"은 고정형 스택 주위에서 노즐(들)을 회전시키거나, 고정형 노즐(들)에 대해 상기 스택을 돌림으로써 행해지는, 워크피스 처리 방법. - 제1 항에 있어서,
박리 강도를 감소시키는 상기 단계는 액티브 에너지 선 조사(ray irradiation), UV 광 조사, 전자 빔 조사, 가시광 조사, 적외선 조사, 열 처리, 전기장 처리, 자기장 처리, 전자기파 처리, 초음파 처리, 또는 이들의 임의의 결합을 사용하여 이루어지는, 워크피스 처리 방법. - 제1 항에 있어서,
가스 분사를 전달하기 전에, 접합부의 외부 주변부의 일부를 기계적으로 및/또는 화학적으로 분쇄 또는 파괴하는 단계를 더 포함하는, 워크피스 처리 방법. - 제1 항에 있어서,
가스 분사를 전달하기 전에, 접합부의 외부 주변부의 일부를 블레이드(blade)를 사용하여 잘라내는 단계를 더 포함하는, 워크피스 처리 방법. - 제1 항에 있어서,
상기 단계(5) 후 서로 결합된 채로 있는 2개의 층을 분리하는 단계를 더 포함하는, 워크피스 처리 방법. - 제1 항의 방법을 구현하기 위한 시스템으로서,
접착 박리를 낮추기 위한 캐리어 층의 결합 표면을 사전 처리하는 장치;
상기 캐리어 층, 워크피스 층, 및 캐리어 층과 워크피스 층 사이의 인터포저 층을 포함하는 결합된 스택을 마련하는 장치;
상기 워크피스 층을 가공하는 장치;
2개의 인접 층들 사이의 박리 강도를 ASTM D6862에 의해 결정된 것과 같이 0.01g/㎝ 부터 50.0g/㎝ 까지의 범위로 감소시키는 장치; 및
상기 결합된 스택을 결합 해제하기 위한 결합 해제 장치를 포함하고,
상기 결합 해제 장치는,
(ⅰ) 결합된 스택의 워크피스 층을 붙들 수 있는 플랫폼(platform), (ⅱ) 결합된 스택의 캐리어 층을 붙들 수 있는 메커니즘, 및 (ⅲ) 결합된 스택에서 상기 2개의 인접 층들 사이의 접합부에서 가스 분사를 전달하기 위한 가스 분사 전달 시스템을 포함하는, 시스템. - 제16 항에 있어서,
상기 결합 해제 장치는 상기 플랫폼과 상기 메커니즘을 서로 멀리 움직이는 힘을 인가할 수 있는 분리기를 더 포함하는, 시스템. - 삭제
- 삭제
- 삭제
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