KR102619853B1 - 자기저항 장치들을 통합하는 방법들 - Google Patents
자기저항 장치들을 통합하는 방법들 Download PDFInfo
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- KR102619853B1 KR102619853B1 KR1020197030868A KR20197030868A KR102619853B1 KR 102619853 B1 KR102619853 B1 KR 102619853B1 KR 1020197030868 A KR1020197030868 A KR 1020197030868A KR 20197030868 A KR20197030868 A KR 20197030868A KR 102619853 B1 KR102619853 B1 KR 102619853B1
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- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
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- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
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Abstract
Description
도 2는 도 1의 예시적인 집적 회로 장치의 계략적인 단면도.
도 3은 도 1의 집적 회로 장치의 예시적인 자기저항 장치의 단순화된 단면도.
도 4a 내지 도 4g는 예시적인 실시예에서의 상이한 제조 단계들 동안의, 도 1의 집적 회로 장치의 계략적인 단면도들.
도 5는 도 1의 집적 회로 장치를 제조하는 예시적인 방법을 나타내는 흐름도.
도 6a 내지 도 6f는 또 다른 예시적인 실시예에서의 상이한 제조 단계들 동안의, 도 1의 집적 회로 장치의 계략적인 단면도들.
도 7a 내지 도 7b는 또 다른 예시적인 실시예에서의 제조 동안의, 도 1의 집적 회로 장치의 계략적인 단면도들.
도 8은 도 1의 집적 회로 장치를 제조하는 또 다른 예시적인 방법을 나타내는 흐름도.
도 9a 내지 도 9g는 또 다른 예시적인 실시예에서의 제조 동안의, 도 1의 집적 회로 장치의 계략적인 단면도들.
도 10은 도 1의 집적 회로 장치를 제조하는 또 다른 예시적인 방법을 나타내는 흐름도.
도 11은 현재 게시물의 예시적인 집적 회로 장치의 계략도.
도 12a 내지 도 12b는 현재 게시물의 예시적인 집적 회로 장치들의 도면.
110: 논리 부분
120: 자기저항 장치 부분
130: 상위 접촉부
150: 하위 접촉부
Claims (20)
- 자기저항 장치를 갖는 집적 회로 장치를 제조하는 방법으로서:
기판의 제1 부분 상에 상기 자기저항 장치를 형성하는 단계로서, 상기 자기저항 장치는 중간 영역에 의해 분리된 고정 자화 영역 및 자유 자화 영역을 포함하는, 상기 자기저항 장치를 형성하는 단계;
상기 자기저항 장치의 복수의 표면들 위에 제1 유전 재료를 증착하는 단계;
상기 제1 유전 재료 위에 제2 유전 재료를 증착하는 단계로서, 상기 제2 유전 재료의 유전율은 상기 제1 유전 재료의 유전율보다 높고, 상기 제1 유전 재료는 저-k 또는 초저-k 유전 재료이고, 상기 제2 유전 재료는 종래의 유전 재료인, 상기 제2 유전 재료를 증착하는 단계;
상기 제2 유전 재료의 표면을 연마하는 단계로서, 상기 연마하는 단계는 상기 제1 유전 재료가 노출되기 전에 중지되는, 상기 제2 유전 재료의 표면을 연마하는 단계;
상기 제2 유전 재료의 연마된 표면을 통해 제1 캐비티를 형성하는 단계; 및
비아(via)를 형성하기 위해 상기 제1 캐비티 내에 전기 전도성 재료를 증착하는 단계를 포함하는, 집적 회로 장치를 제조하는 방법. - 삭제
- 삭제
- 삭제
- 제 1 항에 있어서,
상기 연마하는 단계는 상기 제1 유전 재료가 노출될 때 중지되는, 집적 회로 장치를 제조하는 방법. - 제 1 항에 있어서,
상기 제2 유전 재료의 상기 표면을 연마하는 동안, 상기 자기저항 장치 위의 상기 제1 유전 재료의 일부를 연마하는 단계를 더 포함하는, 집적 회로 장치를 제조하는 방법. - 제 1 항에 있어서,
상기 비아를 형성한 후 제3 유전 재료를 증착하는 단계;
상기 제3 유전 재료의 표면을 연마하는 단계;
상기 비아의 표면을 노출시키기 위해, 상기 제3 유전 재료의 연마된 표면을 통해 제2 캐비티를 형성하는 단계; 및
상기 제2 캐비티 내에 제2 전기 전도성 재료를 증착하는 단계를 더 포함하는, 집적 회로 장치를 제조하는 방법. - 제 7 항에 있어서,
상기 제3 유전 재료의 유전율은 상기 제2 유전 재료의 유전율보다 낮은, 집적 회로 장치를 제조하는 방법. - 제 7 항에 있어서,
상기 제3 유전 재료는 저-k 또는 초저-k 유전 재료인, 집적 회로 장치를 제조하는 방법. - 제 7 항에 있어서,
상기 제2 유전 재료의 유전율은 상기 제1 유전 재료 및 상기 제3 유전 재료 각각의 유전율보다 높은, 집적 회로 장치를 제조하는 방법. - 자기저항 장치를 갖는 집적 회로 장치를 제조하는 방법으로서:
상기 자기저항 장치를 형성하는 단계로서, 상기 자기저항 장치는 중간 영역에 의해 분리된 고정 자화 영역 및 자유 자화 영역을 포함하는, 상기 자기저항 장치를 형성하는 단계;
상기 자기저항 장치의 복수의 표면들 위에 제1 유전 재료를 증착하는 단계;
상기 제1 유전 재료의 표면을 연마하는 단계로서, 상기 연마하는 단계는 상기 자기저항 장치가 노출되기 전에 중지되는, 상기 제1 유전 재료의 표면을 연마하는 단계;
상기 제1 유전 재료의 연마된 표면 위에 제2 유전 재료를 증착하는 단계로서, 상기 제1 유전 재료는 저-k 또는 초저-k 유전 재료이고, 상기 제2 유전 재료는 종래의 유전 재료인, 상기 제2 유전 재료를 증착하는 단계;
제1 캐비티를 형성하기 위해 식각액 화학적 성질(etchant chemistry)을 조정하여 상기 제2 유전 재료 및 상기 제1 유전 재료를 통해 식각하는 단계; 및
비아를 형성하기 위해, 상기 제1 캐비티 내에 전기 전도성 재료를 증착하는 단계를 포함하고,
상기 제2 유전 재료의 유전율은 상기 제1 유전 재료의 유전율보다 높은, 집적 회로 장치를 제조하는 방법. - 삭제
- 삭제
- 삭제
- 삭제
- 제 11 항에 있어서,
상기 비아를 형성한 후 제3 유전 재료를 증착하는 단계;
상기 제3 유전 재료의 표면을 연마하는 단계;
상기 비아의 표면을 노출시키기 위해, 상기 제3 유전 재료의 연마된 표면을 통해 제2 캐비티를 형성하는 단계; 및
상기 제2 캐비티 내에 전기 전도성 재료를 증착하는 단계를 더 포함하는, 집적 회로 장치를 제조하는 방법. - 제 16 항에 있어서,
상기 제3 유전 재료의 유전율은 상기 제2 유전 재료의 유전율보다 낮은, 집적 회로 장치를 제조하는 방법. - 제 16 항에 있어서,
상기 제3 유전 재료는 저-k 또는 초저-k 유전 재료인, 집적 회로 장치를 제조하는 방법. - 삭제
- 제 16 항에 있어서,
상기 제2 유전 재료의 유전율은 상기 제1 유전 재료 및 상기 제3 유전 재료 각각의 유전율보다 높은, 집적 회로 장치를 제조하는 방법.
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