KR100840667B1 - 수평형 디모스 소자 및 그 제조방법 - Google Patents
수평형 디모스 소자 및 그 제조방법 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
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- 239000004065 semiconductor Substances 0.000 claims abstract description 24
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- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
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Abstract
Description
Claims (14)
- 제 1 도전형 반도체 기판상에 액티브 영역 및 필드 영역이 구획되는 수평형 디모스 소자의 제조방법으로서,상기 제 1 도전형 반도체 기판에 제 2 도전형 딥 웰(deep well) 및 상기 제 2 도전형 딥 웰 내에 위치하는 제 2 도전형 조절층(adjusting layer)을 형성하는 단계;상기 제 2 도전형 딥 웰 내에 제 1 도전형 바디를 형성하는 단계;상기 액티브 영역 및 필드 영역에 절연막층을 형성하는 단계;상기 액티브 영역에 게이트 영역을 형성하는 단계; 및상기 제 1 도전형 바디 내에 제 2 도전형 소오스 영역을 형성하고 상기 제 2 도전형 딥 웰 내에 제 2 도전형 드레인 영역을 형성하는 단계;를 포함하여 이루어지는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 2 도전형 딥 웰 및 제 2 도전형 조절층은 상기 제 2 도전형 딥 웰을 위한 불순물과 상기 제 2 도전형 조절층을 위한 불순물을 각각 이온 주입한 후, 확산공정을 거쳐 형성되는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 도전형 반도체 기판에 제 2 도전형 딥 웰, 및 상기 제 2 도전형 딥 웰 내에 위치하는 제 2 도전형 조절층을 형성하는 단계 이전에,상기 제 1 도전형 반도체 기판상에 제 2 도전형 매몰층(buried layer)을 형성하는 단계를 더 포함하여 이루어지는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 2 도전형 딥 웰(deep well)을 형성하는 단계에서,상기 제 2 도전형 딥 웰 형성을 위한 이온 주입시 마스크를 닫아놓아 생기는 딥 웰 컷 아웃 영역(deep well cutout area)을 더 형성하는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 도전형 반도체 기판은 기판상에 제 1 도전형 에피층을 구비하고 있는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 2 도전형 딥 웰은 비소(As)를 이온 주입하여 형성되고, 상기 제 2 도전형 조절층은 인(P)을 이온 주입하여 형성되는 것을 특징으로 하는 수평형 디모 스 소자의 제조방법.
- 제 1 항에 있어서,상기 제 1 도전형 바디는 보론(B)을 이온 주입한 후 상기 보론 이온 주입시의 포토레지스트를 제거하지않고 하드 베이크(hard bake)한 후, 비소(As)를 이온 주입하여 형성되는 것을 특징으로 하는 수평형 디모스 소자의 제조방법.
- 제 1 도전형 반도체 기판상에 액티브 영역 및 필드 영역이 구획되는 수평형 디모스 소자로서,상기 제 1 도전형 반도체 기판 내에 형성되는 제 2 도전형 딥 웰(deep well);상기 제 2 도전형 딥 웰 내에 위치하는 제 2 도전형 조절층(adjusting layer);상기 제 2 도전형 딥 웰 내에 형성된 제 1 도전형 바디;상기 액티브 영역 및 필드 영역에 형성된 절연막층;상기 액티브 영역에 형성된 게이트 영역; 및상기 제 1 도전형 바디 내에 형성된 제 2 도전형 소오스 영역과 상기 제 2 도전형 딥 웰 내에 형성된 제 2 도전형 드레인 영역;을 포함하여 이루어지는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 2 도전형 딥 웰 및 제 2 도전형 조절층은 상기 제 2 도전형 딥 웰을 위한 불순물과 상기 제 2 도전형 조절층을 위한 불순물을 각각 이온 주입한 후, 확산공정을 거쳐 형성되는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 2 도전형 딥 웰 하부에 형성된 제 2 도전형 매몰층(buried layer)을 더 포함하여 이루어지는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 2 도전형 딥 웰(deep well)을 형성하는 단계에서,상기 제 2 도전형 딥 웰 형성을 위한 이온 주입시 마스크를 닫아놓아 생기는 딥 웰 컷 아웃 영역(deep well cutout area)을 더 포함하는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 1 도전형 반도체 기판은 기판상에 제 1 도전형 에피층을 구비하고 있는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 2 도전형 딥 웰은 비소(As)를 이온 주입하여 형성되고, 상기 제 2 도전형 조절층은 인(P)을 이온 주입하여 형성되는 것을 특징으로 하는 수평형 디모스 소자.
- 제 8 항에 있어서,상기 제 1 도전형 바디는 보론(B)을 이온 주입한 후 상기 보론 이온 주입시의 포토레지스트를 제거하지않고 하드 베이크(hard bake)한 후, 비소(As)를 이온 주입하여 형성되는 것을 특징으로 하는 수평형 디모스 소자.
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KR1020070062849A KR100840667B1 (ko) | 2007-06-26 | 2007-06-26 | 수평형 디모스 소자 및 그 제조방법 |
US12/141,961 US8089124B2 (en) | 2007-06-26 | 2008-06-19 | Lateral DMOS device and method for fabricating the same |
TW097123213A TW200901477A (en) | 2007-06-26 | 2008-06-20 | Lateral DMOS device and method for fabricating the same |
DE102008029866A DE102008029866B4 (de) | 2007-06-26 | 2008-06-24 | Laterales DMOS-Bauelement und Verfahren zu seiner Herstellung |
CN2008101278112A CN101335211B (zh) | 2007-06-26 | 2008-06-25 | 侧向dmos器件及其制造方法 |
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KR1020070062849A KR100840667B1 (ko) | 2007-06-26 | 2007-06-26 | 수평형 디모스 소자 및 그 제조방법 |
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KR (1) | KR100840667B1 (ko) |
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Cited By (4)
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KR20100118175A (ko) * | 2009-04-28 | 2010-11-05 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
KR101019406B1 (ko) * | 2008-09-10 | 2011-03-07 | 주식회사 동부하이텍 | Ldmos 소자 제조 방법 |
KR101049877B1 (ko) | 2008-10-13 | 2011-07-19 | 주식회사 동부하이텍 | Ldmos 트랜지스터 및 그의 제조방법 |
KR101262853B1 (ko) * | 2009-05-22 | 2013-05-09 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
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CN102130162B (zh) * | 2010-01-18 | 2012-11-07 | 上海华虹Nec电子有限公司 | Ldmos及其制造方法 |
KR101899556B1 (ko) * | 2012-02-03 | 2018-10-04 | 에스케이하이닉스 시스템아이씨 주식회사 | Bcdmos 소자 및 그 제조방법 |
US8691653B2 (en) * | 2012-03-05 | 2014-04-08 | Macronix International Co., Ltd. | Semiconductor structure with reduced surface field effect and manufacturing process thereof |
US8592274B2 (en) * | 2012-03-27 | 2013-11-26 | Alpha And Omega Semiconductor Incorporated | LDMOS with accumulation enhancement implant |
CN103390645B (zh) * | 2012-05-08 | 2016-08-03 | 上海韦尔半导体股份有限公司 | 横向扩散金属氧化物半导体晶体管及其制作方法 |
CN103985758B (zh) * | 2014-05-09 | 2017-07-28 | 电子科技大学 | 一种横向高压器件 |
CN104600118A (zh) * | 2014-12-26 | 2015-05-06 | 电子科技大学 | 一种减小热载流子效应的横向高压器件 |
CN114679036B (zh) * | 2022-05-11 | 2023-05-26 | 电子科技大学 | 一种用于功率ldmos的高速栅极驱动电路 |
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Also Published As
Publication number | Publication date |
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CN101335211A (zh) | 2008-12-31 |
US8089124B2 (en) | 2012-01-03 |
DE102008029866A1 (de) | 2009-02-26 |
DE102008029866B4 (de) | 2010-09-23 |
US20090001461A1 (en) | 2009-01-01 |
TW200901477A (en) | 2009-01-01 |
CN101335211B (zh) | 2010-06-09 |
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