KR102256632B1 - 발광 소자 및 이를 제조하는 전자 빔 증착 장치 - Google Patents
발광 소자 및 이를 제조하는 전자 빔 증착 장치 Download PDFInfo
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- KR102256632B1 KR102256632B1 KR1020150009753A KR20150009753A KR102256632B1 KR 102256632 B1 KR102256632 B1 KR 102256632B1 KR 1020150009753 A KR1020150009753 A KR 1020150009753A KR 20150009753 A KR20150009753 A KR 20150009753A KR 102256632 B1 KR102256632 B1 KR 102256632B1
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- light emitting
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- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Physical Vapour Deposition (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
Abstract
Description
도 3a는 일 실시예의 발광 소자에 대한 사시도이고,
도 3b는 일 실시예의 발광 소자에 대한 평면도이고,
도 4는 전자 빔 증착 장치의 일 실시예를 나타낸 도면이고,
도 5는 돔부의 상부면을 나타낸 도면이고,
도 6은 기판 홀더부의 일 실시예를 나타낸 도면이고,
도 7 내지 도 8은 가변 지그의 일 실시예를 나타낸 도면이고,
도 9 내지 도 10은 고정 지그의 일 실시예를 나타낸 도면이고,
도 11은 기판 홀더의 일 실시예를 나타낸 도면이고,
도 12는 일 실시예의 기판 홀더를 포함한 돔부의 일 부분을 나타낸 도면이고,
도 13은 각도 측정기의 일 실시예를 나타낸 도면이고
도 14는 일 실시예의 각도 측정기가 부착된 돔부의 일 부분을 나타낸 도면이다.
124 : 활성층 126 : 제2 도전형 반도체층
142 : 제1 전극 146 : 제2 전극
150 : 절연층 300 : 기판 홀더
310 : 고정 지그 330 : 가변 지그
500 : 돔부 600 : 경사각 측정기
1000 : 전자 빔 증착 장치
Claims (15)
- 제1 도전형 반도체층, 활성층 및 제2 도전형 반도체층을 포함하는 발광 구조물; 및
상기 제1 및 제2 도전형 반도체층 상에 각각 배치된 제1 및 제2 전극; 을 포함하고,
상기 발광 구조물은 제1 메사 영역을 포함하고, 상기 제1 도전형 반도체층은 제2 메사 영역을 포함하며,
상기 제1 전극은
상기 제2 메사 영역 상부면의 일부 영역인 제1 영역;
상기 제2 메사 영역의 측면인 제2 영역; 및
상기 제2 메사 영역의 상기 측면의 가장자리에서 연장되어 배치된 제3 영역; 을 포함하며,
상기 제1 영역, 상기 제2 영역 및 상기 제3 영역의 두께비는 아래와 같고,
d1 : d2 : d3 = 1: 0.9~1.1 : 1
(여기서, d1은 상기 제1 영역의 두께, d2는 상기 제2 영역의 두께, d3는 상기 제3 영역의 두께에 해당한다)
상기 제2 메사 영역의 측면이 상기 제1 도전형 반도체층의 바닥면과 이루는 경사각은 70도 내지 80도이고,
상기 제1 도전형 반도체층의 바닥면과 상기 제1 전극의 바닥면은 동일한 평면 상에 배치되고,
상기 제1 전극의 상기 제3 영역은 상기 바닥면을 포함하는 발광 소자 - 삭제
- 제1 항에 있어서,
상기 제1 전극의 상기 제2 영역은 상기 제1 도전형 반도체층의 측면과 직접 접하는 발광 소자. - 제1 항에 있어서, 상기 제1 전극과 상기 제2 전극 사이의 노출된 상기 발광 구조물 상에 배치된 절연층을 포함하는 발광 소자.
- 제1 항, 제3 항 및 제4 항 중 어느 한 항의 상기 제1 전극을 형성하는 전자 빔 증착 장치는
열 전자 방출부;
상기 열 전자 방출부에서 공급된 열 전자에 의하여 증발되는 증착 물질을 포함한 소스 공급부; 및
상기 소스 공급부 상에 이격되어 배치된 돔부; 를 포함하며,
상기 돔부는 복수의 기판 홀더를 포함하고,
상기 복수의 기판 홀더는 경사각이 조절되는 가변 지그를 포함하는 전자 빔 증착 장치. - 제5 항에 있어서, 상기 복수의 기판 홀더는 상기 가변 지그를 상기 돔부에 고정하는 고정 지그를 포함하고,
상기 고정 지그와 상기 가변 지그는 직경이 서로 다른 고리(ring) 형상이고,
상기 가변 지그는 상기 고정 지그의 내측에 배치되고,
상기 가변 지그는 상기 고정 지그와 적어도 하나 이상의 지점에서 결합되어 고정되고,
상기 고정 지그의 측면과 상기 가변 지그의 측면에 각각 적어도 하나의 나사홈을 포함하고,
상기 고정 지그의 상기 적어도 하나의 나사홈과 상기 가변 지그의 상기 적어도 하나의 나사홈이 서로 대응하여 배치되며,
상기 고정 지그와 상기 가변 지그는 상기 대응하는 각각의 상기 나사홈에 관통하여 배치된 결합 나사에 의하여 결합되어 고정되고,
상기 고정 지그 상에 배치되어 상기 결합 나사를 고정하는 고정부를 포함하고,
상기 가변 지그는 상기 고정 지그에 대하여 30도 내지 45도의 경사각을 갖도록 고정되고,
상기 가변 지그는 상기 기판을 고정하는 적어도 하나의 고정핀을 포함하고,
상기 돔부 상에 탈부착 가능하게 설치되며, 상기 가변 지그의 상기 경사각을 확인하는 경사각 측정기를 포함하는 전자 빔 증착 장치. - 삭제
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