KR20100016824A - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR20100016824A KR20100016824A KR1020080076452A KR20080076452A KR20100016824A KR 20100016824 A KR20100016824 A KR 20100016824A KR 1020080076452 A KR1020080076452 A KR 1020080076452A KR 20080076452 A KR20080076452 A KR 20080076452A KR 20100016824 A KR20100016824 A KR 20100016824A
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- 229910052785 arsenic Inorganic materials 0.000 claims description 7
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- 229910052698 phosphorus Inorganic materials 0.000 claims description 4
- 239000011574 phosphorus Substances 0.000 claims description 4
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- 150000004767 nitrides Chemical class 0.000 description 1
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- 238000001020 plasma etching Methods 0.000 description 1
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- KZUNJOHGWZRPMI-UHFFFAOYSA-N samarium atom Chemical compound [Sm] KZUNJOHGWZRPMI-UHFFFAOYSA-N 0.000 description 1
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- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical compound [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/7801—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/7816—Lateral DMOS transistors, i.e. LDMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/08—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/0843—Source or drain regions of field-effect devices
- H01L29/0847—Source or drain regions of field-effect devices of field-effect transistors with insulated gate
- H01L29/0852—Source or drain regions of field-effect devices of field-effect transistors with insulated gate of DMOS transistors
- H01L29/0856—Source regions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1095—Body region, i.e. base region, of DMOS transistors or IGBTs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66674—DMOS transistors, i.e. MISFETs with a channel accommodating body or base region adjoining a drain drift region
- H01L29/66681—Lateral DMOS transistors, i.e. LDMOS transistors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/40—Electrodes ; Multistep manufacturing processes therefor
- H01L29/41—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions
- H01L29/423—Electrodes ; Multistep manufacturing processes therefor characterised by their shape, relative sizes or dispositions not carrying the current to be rectified, amplified or switched
- H01L29/42312—Gate electrodes for field effect devices
- H01L29/42316—Gate electrodes for field effect devices for field-effect transistors
- H01L29/4232—Gate electrodes for field effect devices for field-effect transistors with insulated gate
- H01L29/42364—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity
- H01L29/42368—Gate electrodes for field effect devices for field-effect transistors with insulated gate characterised by the insulating layer, e.g. thickness or uniformity the thickness being non-uniform
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- Microelectronics & Electronic Packaging (AREA)
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- Ceramic Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Abstract
Description
Claims (25)
- 기판 상에 제1 개구부를 구비한 감광막 패턴을 형성하는 단계;상기 제1 개구부로 노출되는 상기 기판 내에 제1 불순물영역을 형성하는 단계;상기 제1 개구부를 확장시켜 제2 개구부를 형성하는 단계; 및상기 제2 개구부로 노출되는 상기 기판 내에 제2 불순물영역을 형성하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제1 및 제2 불순물영역은 이온주입공정으로 형성하는 반도체 소자의 제조방법.
- 제 2 항에 있어서,상기 제1 불순물영역을 형성하는 단계는 제1 도전형의 불순물을 사용하는 반도체 소자의 제조방법.
- 제 3 항에 있어서,상기 제2 불순물영역을 형성하는 단계는 제2 도전형의 불순물을 사용하는 반도체 소자의 제조방법.
- 제 4 항에 있어서,상기 불순물은 붕소(B), 인(P) 또는 비소(As) 중 어느 하나인 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제2 개구부를 형성하는 단계는 에셔(asher) 장비를 사용하는 반도체 소자의 제조방법.
- 제 6 항에 있어서,상기 제2 개구부를 형성하는 단계는 O2 가스를 사용하는 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제2 불순물영역을 형성하는 단계 후,열처리공정을 실시하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 8 항에 있어서,상기 열처리공정은 어닐링공정 또는 급속열처리공정인 반도체 소자의 제조방법.
- 제 1 항에 있어서,상기 제2 불순물영역은 상기 기판의 상부면으로부터 상기 제1 불순물영역보다 깊게 형성하는 반도체 소자의 제조방법.
- 기판 내에 드레인 영역을 형성하는 단계;상기 기판 상에 제1 개구부를 구비한 감광막 패턴을 형성하는 단계;상기 제1 개구부로 노출되는 상기 기판 내에 소스 영역을 형성하는 단계;상기 제1 개구부를 확장시켜 제2 개구부를 형성하는 단계;상기 제2 개구부로 노출되는 상기 기판 내에 채널영역을 형성하는 단계;상기 감광막 패턴을 제거하는 단계;상기 기판 상에 게이트 절연막을 형성하는 단계; 및상기 게이트 절연막 상에 게이트 도전막을 형성하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 제1 및 제2 불순물영역은 이온주입공정으로 형성하는 반도체 소자의 제조방법.
- 제 12 항에 있어서,상기 제1 불순물영역을 형성하는 단계는 제1 도전형의 불순물을 사용하는 반도체 소자의 제조방법.
- 제 13 항에 있어서,상기 제2 불순물영역을 형성하는 단계는 제2 도전형의 불순물을 사용하는 반도체 소자의 제조방법.
- 제 14 항에 있어서,상기 불순물은 붕소(B), 인(P) 또는 비소(As) 중 어느 하나인 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 제2 개구부를 형성하는 단계는 에셔(asher) 장비를 사용하는 반도체 소자의 제조방법.
- 제 16 항에 있어서,상기 제2 개구부를 형성하는 단계는 O2 가스를 사용하는 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 제2 불순물영역을 형성하는 단계 후,열처리공정을 실시하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 18 항에 있어서,상기 열처리공정은 어닐링공정 또는 급속열처리공정인 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 게이트 전극은 상기 소스 영역과 일부가 중첩되도록 형성하는 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 감광막 패턴을 형성하기 전,상기 기판 상에 필드 절연막을 형성하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 21 항에 있어서,상기 필드 절연막은 LOCOS(LOCal Oxidation of Silicon) 공정으로 형성하는 반도체 소자의 제조방법.
- 제 11 항에 있어서,상기 기판은 SOI(Silicon On Insulator) 기판인 반도체 소자의 제조방법.
- 제 23 항에 있어서,상기 드레인 영역은 상기 SOI 기판의 반도체층에 형성하는 반도체 소자의 제조방법.
- 제 23 항에 있어서,상기 드레인 영역은 상기 SOI 기판의 반도체층 상에 형성된 에피텍셜층에 형성하는 반도체 소자의 제조방법.
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KR1020080076452A KR101024638B1 (ko) | 2008-08-05 | 2008-08-05 | 반도체 소자의 제조방법 |
US12/472,723 US8338281B2 (en) | 2008-08-05 | 2009-05-27 | Method for fabricating semiconductor device |
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KR1020080076452A KR101024638B1 (ko) | 2008-08-05 | 2008-08-05 | 반도체 소자의 제조방법 |
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KR20100016824A true KR20100016824A (ko) | 2010-02-16 |
KR101024638B1 KR101024638B1 (ko) | 2011-03-25 |
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US10134891B2 (en) * | 2016-08-30 | 2018-11-20 | United Microelectronics Corp. | Transistor device with threshold voltage adjusted by body effect |
KR102362576B1 (ko) | 2020-04-02 | 2022-02-11 | 매그나칩 반도체 유한회사 | 반도체 소자 및 그 제조방법 |
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US4038107B1 (en) * | 1975-12-03 | 1995-04-18 | Samsung Semiconductor Tele | Method for making transistor structures |
US4485390A (en) * | 1978-03-27 | 1984-11-27 | Ncr Corporation | Narrow channel FET |
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