KR101963420B1 - 별개의 구성요소의 선택적인 레이저 보조 전사 - Google Patents
별개의 구성요소의 선택적인 레이저 보조 전사 Download PDFInfo
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- KR101963420B1 KR101963420B1 KR1020137029214A KR20137029214A KR101963420B1 KR 101963420 B1 KR101963420 B1 KR 101963420B1 KR 1020137029214 A KR1020137029214 A KR 1020137029214A KR 20137029214 A KR20137029214 A KR 20137029214A KR 101963420 B1 KR101963420 B1 KR 101963420B1
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Abstract
Description
도 1a 및 도 1b는 본 발명의 실시예에 따른 선택적인 레이저 보조 전사의 개략도로서, 이때 레이저 에너지는 물품을 전사하기 위해 DRL(도 1a)에 의해 흡수되어 블리스터(도 1b)를 만드는 것을 도시한다.
도 2는 스캐닝 레이저 빔이 나선 패턴으로 조사될 시에, 본 발명의 실시예에 따른 DRL의 열 가공(블리스터)의 이미지이다.
도 3은 레이저 투과 캐리어 상의 블리스터 층에 전사 물품을 부착하는, 본 발명의 실시예에 따라 이용된 폴리머 접착 물질에 대해 화학 구조도이다.
도 4는 고형 물품들의 레이저 보조 전사를 실행하기 위해, 본 발명의 실시예에 따라 이용되는 실험 장치의 블럭도이다.
도 5는 본 발명의 실시예에 따라 위치한 2 개의 65 ㎛의 실리콘 다이스의 이미지이다.
도 6a 및 도 6b는 본 발명의 실시예에 따라 전사된 25 ㎛ 두께의 Si 다이스의 XY 스캐터 그래프로서, 이들의 방출 위치로부터 레이저-개별화 및 RIE- 개별화 다이스에 대해 마이크로미터 단위의 측 방향 변위를 나타낸 그래프이다.
도 7은 본 발명의 실시예에 따라 위치한 반도체 베어 다이로서 기능성 단일-칩 장치(RFID 태그)의 이미지로서, 회로 다이 및 삽입된 상세 이미지를 나타낸다.
도 8은 본 발명의 실시예에 따라 제조된, 완전하게 기능하고 유연한 전자 장치(RFID 태그)의 이미지로서, 사용자의 손에서 손쉽게 조작되도록 하는 유연성 및 크기를 나타낸다.
도 9는 본 발명의 실시예에 따른 초박형 물품들의 선택적인 레이저 보조 전사의 순서도이다.
Claims (30)
- 물품을 전사시키는 방법에 있어서,
캐리어의 접착 층에 물품을 고정시키는 단계 - 상기 캐리어는 레이저 투과 기판, 상기 접착 층, 및 상기 레이저 투과 기판과 상기 접착 층 사이에 위치된 블리스터 층을 가짐;
상기 캐리어의 블리스터 층 상의 레이저 투과 기판을 통하여 에너지 레이저 빔을 포커싱하는 단계 - 상기 블리스터 층은 상기 블리스터 층에서 블리스터를 형성하기 위해 상기 접착 층에 근접하여 위치하고, 상기 블리스터는 상기 접착 층을 상기 블리스터의 파열 없이 변형시킴; 및
상기 블리스터가 팽창하여 상기 접착 층을 변형시켜 상기 물품을 상기 접착 층에서 벗어나게 밀어내고 상기 물품을 상기 캐리어로부터 갭에 걸쳐 수용 기판으로 전사시킬 시에, 상기 물품의 분리에 응답하여 상기 캐리어로부터 상기 수용 기판으로 상기 물품을 전사시키는 단계 - 상기 수용 기판은 상기 캐리어에 근접하게 위치함;를 포함하는 물품 전사 방법. - 청구항 1에 있어서,
상기 블리스터는 상기 에너지 레이저 빔을 수신하는 것에 응답하여 고정 거리까지 팽창되는 물품 전사 방법. - 청구항 1에 있어서,
상기 블리스터 층은, 주어진 파장 및 펄스 에너지의 레이저 빔을 이용한 조사에 응답하여 제어되고 폭발되지 않는 방식으로 절제(ablation)되기 위해 선택되며 블리스터가 파열 없이 형성될 수 있기에 충분한 탄성 작동(elastic behavior)을 나타내는 폴리머, 폴리이미드(polyimide), 또는 무기 물질을 포함하는 물품 전사 방법. - 청구항 1에 있어서,
상기 블리스터 층은, 상기 블리스터가 파열 없이 상기 블리스터를 형성하기 위해 증기를 생성하는 비-침투 절제(non-penetrating ablation)에 제한된 절제를 받는 물품 전사 방법. - 청구항 1에 있어서,
상기 블리스터는 상기 블리스터 층으로부터 소량의 물질을 증발시키는 에너지 레이저 빔에 응답하여 형성되고, 이때 상기 블리스터 층은, 상기 레이저 투과 캐리어의 접착 층을 변형시키는 블리스터를 상기 레이저 투과 캐리어에서 생성하는 기체를 발생시키는 물품 전사 방법. - ◈청구항 6은(는) 설정등록료 납부시 포기되었습니다.◈청구항 1에 있어서,
상기 에너지 레이저 빔은, 자외선 파장을 가진 레이저 빔 출력을 포함하는 물품 전사 방법. - 청구항 1에 있어서,
상기 에너지 레이저 빔은 레이저의 단일 펄스 또는 일련의 펄스를 포함하는 물품 전사 방법. - 청구항 1에 있어서,
상기 에너지 레이저 빔은 연속적인 블리스터를 생성하기 위해 선택된 고 반복률 및 스캐닝 속도로 스캐닝 패턴을 가지는 물품 전사 방법. - 청구항 8에 있어서,
상기 스캐닝 패턴은 직선, 곡선, 폐쇄 곡선(closed curves), 원형, 삼각형, 직사각형, 및 다른 기하학적인 형상들로 구성된 스캐닝 패턴들의 군으로부터 선택되는 물품 전사 방법. - 청구항 1에 있어서,
상기 에너지 레이저 빔은, 상기 물품의 전사 동안 상기 블리스터가 파괴되지 않는 것을 확보하도록 1 mJ 미만의 에너지를 포함하는 물품 전사 방법. - 청구항 10에 있어서,
상기 에너지 레이저 빔은 펄스당 20 μJ 정도를 가지는 물품 전사 방법. - 청구항 1에 있어서,
상기 에너지 레이저 빔에 의해 기화된 물질은 상기 블리스터 층 내에서, 상기 블리스터의 내부에 국한되는 물품 전사 방법. - 청구항 12에 있어서,
상기 물품은 초박형 물품이고, 상기 초박형 물품은 100 ㎛ 미만의 두께를 가지는 물품 전사 방법. - ◈청구항 14은(는) 설정등록료 납부시 포기되었습니다.◈청구항 12에 있어서,
상기 물품은 초박형 물품이고, 상기 초박형 물품은 50 ㎛ 미만의 두께를 가지는 물품 전사 방법. - 캐리어로부터 수용 기판으로 초박형 물품을 전사시키는 장치에 있어서,
레이저 투과 층과, 블리스터 층과, 그리고 전사 동작 준비시에 초박형 물품을 부착시키는 접착 층을 갖춘 캐리어;
레이저 빔을 출력하는 레이저 빔 출력 수단;
상기 레이저 빔을 패턴화로 형상시키는 레이저 빔 패턴화 형상 수단; 및
상기 블리스터 층에서 블리스터를 형성하기 위해, 상기 접착 층에 근접한 블리스터 층으로 상기 레이저 빔을 지향시키되, 상기 캐리어의 레이저 투과 층을 통하여, 지향시키는 레이저 빔 지향 수단;을 포함하며,
상기 블리스터가 팽창하여 상기 접착 층을 변형시켜 상기 초박형 물품을 상기 접착 층에서 벗어나게 밀어내고 상기 초박형 물품을 상기 캐리어로부터 갭에 걸쳐 상기 수용 기판으로 전사시킬 시에, 상기 초박형 물품의 분리에 응답하여, 상기 블리스터는 파열됨 없이, 상기 수용 기판이 상기 초박형 물품을 수용하도록 상기 캐리어로부터 상기 초박형 물품의 분리를 유도하는 상기 접착 층을 변형시키고,
상기 블리스터 층의 두께는 상기 블리스터 층의 파열을 방지하기 위해, 레이저 빔 흡수의 깊이를 초과하는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 초박형 물품은 100 ㎛ 미만의 두께를 가지는 초박형 물품 전사 장치. - ◈청구항 17은(는) 설정등록료 납부시 포기되었습니다.◈청구항 15에 있어서,
상기 레이저 빔은 자외선 파장으로 출력되는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 레이저 빔은 레이저의 단일 펄스 또는 일련의 펄스를 포함하는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 레이저 빔 출력 수단은 레이저 빔을 출력하는 적어도 하나의 레이저를 포함하는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 레이저 빔 패턴화 형상 수단은, 2분의 1 파장판(half-waveplates), 편광판, 빔 확장기, 빔 형상기, 및 렌즈로 구성된 광학 구성요소들의 군으로부터 선택된 광학 구성요소들을 포함하는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 레이저 빔 지향 수단은, 상기 초박형 물품이 전사되도록 하는 캐리어 상의 특정 위치에서 상기 레이저 빔을 지향시키기 위해 스캔헤드 및 변환 스테이지 중 적어도 하나를 포함하는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 캐리어의 레이저 투과 층을 통하여 상기 레이저 빔을 지향시키는 레이저 빔 지향 수단은, 상기 캐리어 상의 특정 초박형 물품에 근접하게 위치한 블리스터 층에 상기 레이저 빔을 지향시키도록 구성되는 초박형 물품 전사 장치. - 청구항 15에 있어서,
상기 블리스터 층은 상기 블리스터가 파열 없이 상기 블리스터를 형성하기 위해 증기를 생성하는 비-침투 절제에 제한된 절제를 받는 초박형 물품 전사 장치. - 캐리어로부터 수용 기판으로 초박형 물품들을 전사시키는 장치에 있어서,
레이저 투과 층과, 블리스터 층과, 그리고 전사 동작 준비시에 초박형 물품을 부착시키는 접착 층을 갖춘 캐리어;
레이저의 출력을 레이저 빔으로서 소기의 패턴화로 형상화시키는 레이저 광학 소자; 및
상기 접착 층에 근접한 블리스터 층으로 상기 레이저 빔을 지향시키되, 상기 캐리어의 레이저 투과 층을 통하여, 지향시키는 적어도 하나의 위치 선정 장치;를 포함하며,
상기 캐리어는 상기 레이저 빔의 에너지가 상기 블리스터 층에서 블리스터를 형성하도록 구성되고,
상기 블리스터가 팽창하여 상기 접착 층을 변형시켜 상기 초박형 물품을 상기 접착 층에서 벗어나게 밀어내고 상기 초박형 물품을 상기 캐리어로부터 갭에 걸쳐 상기 수용 기판으로 전사시킬 시에, 상기 블리스터는 파열됨 없이, 상기 수용 기판이 상기 초박형 물품을 수용하도록 상기 캐리어로부터 상기 초박형 물품의 분리를 유도하는 상기 접착 층을 변형시키고,
상기 블리스터 층은 상기 블리스터가 파열 없이 상기 블리스터를 형성하기 위해 증기를 생성하는 비-침투 절제에 제한된 절제를 받는 초박형 물품 전사 장치. - 청구항 24에 있어서,
상기 초박형 물품은 100 ㎛ 미만의 두께를 가지는 초박형 물품 전사 장치. - ◈청구항 26은(는) 설정등록료 납부시 포기되었습니다.◈청구항 24에 있어서,
상기 레이저 빔은 자외선 파장으로 출력되는 초박형 물품 전사 장치. - 청구항 24에 있어서,
상기 레이저 빔은 레이저의 단일 펄스 또는 일련의 펄스를 포함하는 초박형 물품 전사 장치. - 청구항 24에 있어서,
상기 레이저 빔을 패턴화로 형상화시키는 광학 소자는, 2분의 1 파장판, 편광판, 빔 확장기, 빔 형상기, 및 렌즈로 구성된 광학 구성요소들의 군으로부터 선택된 광학 구성요소들을 포함하는 초박형 물품 전사 장치. - 청구항 24에 있어서,
상기 레이저 빔을 지향시키는 수단은 상기 초박형 물품이 전사되도록 하는 캐리어 상의 특정 위치에서 상기 레이저 빔을 지향시키기 위해 스캔헤드 및 변환 스테이지 중 적어도 하나를 포함하는 초박형 물품 전사 장치. - 청구항 24에 있어서,
상기 레이저 빔은 상기 블리스터를 연속적인 블리스터로 생성하기 위해 선택된 고 반복률 및 스캐닝 속도로 스캐닝 패턴을 가지는 초박형 물품 전사 장치.
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CN (1) | CN103597589B (ko) |
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WO2012142177A3 (en) | 2013-02-28 |
KR20140045936A (ko) | 2014-04-17 |
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KR20180028068A (ko) | 2018-03-15 |
RU2013150121A (ru) | 2015-05-20 |
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RU2582160C2 (ru) | 2016-04-20 |
CN103597589B (zh) | 2017-02-15 |
US20170313044A1 (en) | 2017-11-02 |
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US20140238592A1 (en) | 2014-08-28 |
WO2012142177A2 (en) | 2012-10-18 |
EP2697822B1 (en) | 2020-12-30 |
CN103597589A (zh) | 2014-02-19 |
EP2697822A4 (en) | 2014-09-24 |
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