KR20020027269A - 화학 기상 증착에 의해 증착된 규소 층의 k값을감소시키는 방법 - Google Patents
화학 기상 증착에 의해 증착된 규소 층의 k값을감소시키는 방법 Download PDFInfo
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- H01L21/76828—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. thermal treatment
Abstract
Description
Claims (40)
- 기판을 처리하기 위한 방법으로서,규소, 산소 및 탄소를 포함하는 유전체 층을 화학 기상 증착법에 의해 상기 기판상에 증착하는 단계; 그리고상기 유전체 층상에 규소 및 탄소 함유층을 증착하는 단계를 포함하며,상기 유전체 층이 적어도 1 원자량%의 탄소 함량과 약 3보다 낮은 유전상수를 가지는 방법.
- 제 1항에 있어서, 상기 유전체 층을 유기실란 화합물과 산화 가스의 반응에 의해 증착하는 방법.
- 제 1항에 있어서, 상기 유전체 층을 트리메틸실란, 테트라메틸실란, 1,1,3,3-테트라메틸디실록산, 헥사메틸디실록산, 2,2-비스(1-메틸디실록사닐)프로판, 2,4,6,8-테트라메틸시클로테트라실록산, 옥타메틸시클로테트라실록산, 2,4,6,8,10-펜타메틸시클로펜타실록산, 이들의 탄화플루오르가 첨가된 유도체, 및 이들의 혼합물의 군(group)으로부터 선택된 유기실란 화합물로부터 증착하는 방법.
- 제 2항에 있어서, 상기 유기실란 화합물이 세개 이상의 알킬기를 포함하는 방법.
- 제 2항에 있어서, 상기 산화 가스를, N2O, O2, O3및 이들의 혼합물로 구성된 군으로부터 선택하는 방법.
- 제 2항에 있어서, 상기 유기실란 화합물이, 트리메틸실란과 오존을 포함하는 산화 가스를 포함하는 방법.
- 제 2항에 있어서, 상기 유전체 층을, 2,4,6,8-테트라메틸시클로테트라실록산의 산화에 의해 증착하는 방법.
- 제 1항에 있어서, 상기 유전체 층의 유전 상수를, 규소 및 탄소 함유층의 증착에 의해 감소시키는 방법.
- 제 1항에 있어서, 상기 유전체 층이 약 3 또는 이 보다 낮은 유전 상수를 가지는 방법.
- 제 1항에 있어서, 상기 규소 및 탄소 함유층이, 처리 챔버에서 상대적으로 불활성한 가스와 알킬실란 화합물을 유입하고 플라즈마를 발생시킴으로써 증착된 탄화규소 층인 방법.
- 제 10항에 있어서, 상기 알킬실란 화합물이 트리메틸실란인 방법.
- 제 10항에 있어서, 상기 유전체 층의 유전 상수를, 탄화규소 층의 증착에 의해 감소시키는 방법.
- 제 10항에 있어서, 상기 플라즈마를, 약 4.3watts/cm2내지 약 10.0 watts/cm2의 RF 전력밀도를 공급함으로써 발생시키는 방법.
- 기판을 처리하기 위한 방법으로서,유기실란 화합물과 산화가스를 반응시킴으로써 상기 기판에 유전체 층을 증착하는 단계; 그리고상기 유전체 층에 탄화규소 층 또는 도핑된 탄화규소 층을 증착시킴으로써 상기 유전체 층의 유전상수를 감소시키는 단계를 포함하며,상기 유전체 층은 적어도 1 원자량%의 탄소 함량을 가지며 약 3보다 낮은 유전상수를 가지는 방법.
- 제 14항에 있어서, 상기 유전체 층을, 트리메틸실란, 테트라메틸실란, 1,1,3,3-테트라메틸디실록산, 헥사메틸디실록산, 2,2-비스(1-메틸디실록사닐)프로판, 2,4,6,8-테트라메틸시클로테트라실록산, 옥타메틸시클로테트라실록산, 2,4,6,8,10-펜타메틸시클로펜타실록산, 이들의 탄화플루오르가 첨가된 유도체, 및 이들의 혼합물의 군(group)으로부터 선택된 유기실란 화합물로부터 증착하는 방법.
- 제 14항에 있어서, 상기 유기실란 화합물이 세개 이상의 알킬기를 포함하는 방법.
- 제 14항에 있어서, 상기 산화 가스를, N20, O2, O3및 이들의 화합물로 구성된 군으로부터 선택하는 방법.
- 제 14항에 있어서, 상기 유기실란 화합물이 트리메틸실란과 오존을 포함하는 산화가스를 포함하는 방법.
- 제 14항에 있어서, 상기 유기실란 화합물이 2,4,6,8-테트라메틸시클로테트라실록산을 포함하는 방법.
- 제 14항에 있어서, 상기 유전체 층이, 상기 탄화규소 층의 증착 전에 약 1원자량% 내지 약 50원자량%의 탄소 함량을 가지는 방법.
- 제 14항에 있어서, 상기 유전체 층이, 상기 탄화규소 층의 증착 전에 약 3 또는 이 보다 낮은 유전상수를 가지는 방법.
- 제 14항에 있어서, 상기 탄화규소 층을, 알킬실란 화합물과 상대적으로 불활성한 가스를 처리 챔버로 유입시키고 플라즈마를 발생시킴으로써 증착하는 방법,
- 제 22항에 있어서, 상기 알킬실란 화합물이 트리메틸실란인 방법.
- 제 22항에 있어서, 상기 유전체 층의 상기 유전상수가, 상기 탄화규소 층의 증착 후에 약 2.4보다 낮은 방법.
- 제 22항에 있어서, 상기 플라즈마를, 약 4.3watts/cm2내지 약 10.0watts/cm2의 RF 전력밀도를 공급함으로써 상기 기판 위에서 발생시키는 방법.
- 제 22항에 있어서, 상기 탄화규소 층을, 유전체 층 두께의 감소 없이 상기 유전체 층으로부터 탄소를 제거하는 플라즈마 조건하에서 증착하는 방법.
- 기판을 처리하기 위한 방법으로서,세개 이상의 알킬기를 가진 유기실란 화합물과 오존을 반응시킴으로써 상기기판상에 유전체 층을 증착하는 단계; 그리고상기 유전체 층의 유전 상수를 감소시키기에 충분한 플라즈마 조건하에서 알킬실란 화합물을 반응시킴으로써 상기 유전체 층상에 탄화규소 층 또는 도핑된 탄화규소 층을 증착하는 단계를 포함하며,상기 유전체 층은 약 5 원자량% 내지 약 50 원자량%의 탄소함량을 가지며 약 3보다 낮은 유전상수를 가지는 방법.
- 제 27항에 있어서, 상기 유기실란 화합물이 세개 이상의 알킬기를 포함하는 방법.
- 제 27항에 있어서, 상기 유기실란 화합물이 트리메틸실란이고 상기 알킬실란 화합물이 트리메틸실란인 방법.
- 제 27항에 있어서, 상기 유기실란 화합물이 2,4,6,8-테트라메틸시클로테트라시록산인 방법.
- 제 27항에 있어서, 상기 유전체 층이, 상기 탄화규소 층의 증착 후에 약 2.4 또는 이 보다 낮은 유전상수를 가지는 방법.
- 제 27항에 있어서, 상기 플라즈마를, 약 4.3watts/cm2내지 약 10.0watts/cm2의 RF 전력밀도를 공급함으로써 발생시키는 방법.
- 규소, 산소 및 탄소를 포함하는 유전체 층; 그리고상기 유전체 층을 캡핑하는 규소 및 탄소 함유층을 포함하며,상기 유전체 층이 적어도 1 원자량%의 탄소 함량을 가지는 기판.
- 제 33항에 있어서, 상기 유전체 층이 약 5 원자량% 내지 약 50 원자량%의 탄소 함량을 가지는 기판.
- 제 33항에 있어서, 상기 유전체 층이 약 2.4 또는 이 보다 낮은 유전상수를 가지는 기판.
- 제 33항에 있어서, 상기 유전체 층이, 상기 유전체 층의 수축 없이 탄소를 제거함으로써 형성된 공극을 가지는 기판.
- 제 33항에 있어서, 상기 규소 및 탄소 함유층이 비결정질 수소화 탄화규소 층인 기판.
- 규소, 산소 및 탄소를 포함하고 하나 이상의 인터커넥트를 형성하는 유전체 층; 그리고상기 유전체 층을 캡핑하고 하나 이상의 인터커넥트를 더 형성하는 규소 및 탄소 함유층을 포함하며,상기 유전체 층이 적어도 1 원자량%의 탄소 함량을 가지는 다마스크 구조체.
- 제 38항에 있어서, 상기 유전체 층이 5 원자량% 내지 50 원자량%의 탄소 함량을 가지는 다마스크 구조체.
- 제 38항에 있어서, 상기 규소 및 탄소 함유층이 비결정질 수소화 탄화규소 층이고 상기 유전체 층이 약 2.4 또는 이 보다 낮은 유전상수를 가지는 다마스크 구조체.
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- 2001-10-05 JP JP2001310275A patent/JP2002198366A/ja active Pending
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KR100466818B1 (ko) * | 2002-05-17 | 2005-01-24 | 주식회사 하이닉스반도체 | 반도체 소자의 절연막 형성 방법 |
US7211524B2 (en) | 2002-05-17 | 2007-05-01 | Hynix Semiconductor Inc. | Method of forming insulating layer in semiconductor device |
US7202160B2 (en) | 2003-07-28 | 2007-04-10 | Samsung Electronics, Co., Ltd. | Method of forming an insulating structure having an insulating interlayer and a capping layer and method of forming a metal wiring structure using the same |
KR101046467B1 (ko) * | 2004-03-15 | 2011-07-04 | 어플라이드 머티어리얼스, 인코포레이티드 | 낮은 k 유전체들의 접착력을 증가시키기 위한 플라즈마처리 방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1195451A1 (en) | 2002-04-10 |
US6784119B2 (en) | 2004-08-31 |
JP2002198366A (ja) | 2002-07-12 |
US20040166665A1 (en) | 2004-08-26 |
KR100857649B1 (ko) | 2008-09-08 |
DE60116216D1 (de) | 2006-02-02 |
US6627532B1 (en) | 2003-09-30 |
US7074708B2 (en) | 2006-07-11 |
EP1195451B1 (en) | 2005-12-28 |
US20040029400A1 (en) | 2004-02-12 |
TW499709B (en) | 2002-08-21 |
DE60116216T2 (de) | 2006-08-31 |
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