KR20060053442A - 고전압소자의 형성방법 - Google Patents
고전압소자의 형성방법 Download PDFInfo
- Publication number
- KR20060053442A KR20060053442A KR1020040093134A KR20040093134A KR20060053442A KR 20060053442 A KR20060053442 A KR 20060053442A KR 1020040093134 A KR1020040093134 A KR 1020040093134A KR 20040093134 A KR20040093134 A KR 20040093134A KR 20060053442 A KR20060053442 A KR 20060053442A
- Authority
- KR
- South Korea
- Prior art keywords
- forming
- film
- high voltage
- hld
- wafer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000002955 isolation Methods 0.000 claims abstract description 35
- 150000004767 nitrides Chemical class 0.000 claims abstract description 18
- 238000005530 etching Methods 0.000 claims abstract description 13
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 13
- 238000000137 annealing Methods 0.000 claims abstract description 10
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 229920005591 polysilicon Polymers 0.000 claims abstract description 8
- 235000012431 wafers Nutrition 0.000 claims 5
- 230000007547 defect Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 36
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Images
Classifications
-
- 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
- H01L29/66568—Lateral single gate silicon transistors
- H01L29/66659—Lateral single gate silicon transistors with asymmetry in the channel direction, e.g. lateral high-voltage MISFETs with drain offset region, extended drain MISFETs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
- H01L21/76227—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials the dielectric materials being obtained by full chemical transformation of non-dielectric materials, such as polycristalline silicon, metals
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Element Separation (AREA)
Abstract
Description
거리 | 트렌치 깊이에 따른 문턱전압[V] | |||
X | Y | 8㎛ | 10㎛ | 12㎛ |
1㎛ | 2㎛ | 123 | 125 | 139 |
1㎛ | 4㎛ | 120 | 134 | 142 |
1㎛ | 6㎛ | 123 | 146 | 149 |
2㎛ | 2㎛ | 130 | 138 | 146 |
2㎛ | 4㎛ | 130 | 137 | 146 |
2㎛ | 6㎛ | 140 | 144 | 148 |
3㎛ | 2㎛ | 130 | 133 | 143 |
3㎛ | 4㎛ | 146 | 146 | 152 |
Claims (8)
- 필드영역 및 액티브영역이 정의된 웨이퍼를 제공하는 단계와,상기 웨이퍼에 에피층을 형성하는 단계와,상기 에피층을 포함한 웨이퍼에 각각의 웰을 형성하는 단계와,상기 웰을 포함한 웨이퍼에 산화막, 질화막 및 제 1HLD산화막을 차례로 형성하는 단계와,상기 제 1HLD산화막 위에 필드영역의 양측 가장자리 부위를 노출시키는 감광막패턴을 형성하는 단계와,상기 감광막패턴을 마스크로하여 상기 제 1HLD산화막 및 질화막을 식각하는 단계와,상기 감광막패턴을 제거하는 단계와,상기 잔류된 질화막을 마스크로 하여 상기 웨이퍼를 식각하여 각각의 트렌치를 형성하는 단계와,상기 잔류된 제 1HLD산화막을 제거하는 단계와,그로부터 얻어지는 결과물에 어닐공정을 진행하는 단계와,상기 어닐공정이 완료된 기판 전면에 제 2HLD막 및 다결정실리콘막을 차례로 형성하는 단계와,상기 제 2HLD막이 노출되는 시점까지 상기 다결정실리콘막을 에치백하는 단계와,상기 제 2HLD산화막 및 상기 잔류된 질화막을 식각하여 각각의 기둥형상의 격리패턴을 형성하는 단계와,상기 기판 결과물 상의 필드영역에 상기 격리패턴과 연결되는 소자격리막을 형성하는 단계와,상기 액티브영역에 고전압 MOS소자를 형성하는 단계를 포함하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 산화막은 100∼200Å, 상기 질화막은 1600∼2000Å 두께로 형성하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 제 1HLD산화막은 1.8㎛ 두께로 형성하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 어닐공정은 1000∼1100℃온도에서 60분동안 진행하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 트렌치는 상기 웰의 깊이와 같거나 크게 형성하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 격리패턴은 상기 격리패턴과 이웃하는 격리패턴 간의 거리가 2㎛를 유지하도록 패터닝하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 격리패턴은 상기 고전압 MOS소자와의 거리가 1㎛를 유지하도록 패터닝하는 것을 특징으로 하는 고전압소자의 형성방법.
- 제 1항에 있어서, 상기 제 2HLD산화막은 4000∼6000Å두께로 형성하는 것을 특징으로 하는 고전압소자의 형성방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040093134A KR100596752B1 (ko) | 2004-11-15 | 2004-11-15 | 고전압소자의 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040093134A KR100596752B1 (ko) | 2004-11-15 | 2004-11-15 | 고전압소자의 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20060053442A true KR20060053442A (ko) | 2006-05-22 |
KR100596752B1 KR100596752B1 (ko) | 2006-07-05 |
Family
ID=37150407
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040093134A KR100596752B1 (ko) | 2004-11-15 | 2004-11-15 | 고전압소자의 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100596752B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101140584B1 (ko) * | 2010-02-17 | 2012-05-02 | (주)피코셈 | 고전압 반도체 소자 제조방법 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4378781B2 (ja) * | 1998-08-18 | 2009-12-09 | ソニー株式会社 | 半導体装置とその製造方法 |
KR100275500B1 (ko) * | 1998-10-28 | 2000-12-15 | 정선종 | 집적화된 고전압 전력 소자 제조방법 |
-
2004
- 2004-11-15 KR KR1020040093134A patent/KR100596752B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101140584B1 (ko) * | 2010-02-17 | 2012-05-02 | (주)피코셈 | 고전압 반도체 소자 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR100596752B1 (ko) | 2006-07-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5691230A (en) | Technique for producing small islands of silicon on insulator | |
US20070262384A1 (en) | Semiconductor device and method of manufacturing the same | |
WO2008042732A2 (en) | Recessed sti for wide transistors | |
KR100630768B1 (ko) | 캡핑층을 구비한 얼라인먼트 키 형성방법 및 이를 이용한반도체 장치의 제조방법 | |
US7635899B2 (en) | Structure and method to form improved isolation in a semiconductor device | |
CN1199256C (zh) | 利用绝缘衬垫防止窄器件中的阈值电压的滚降 | |
KR100233286B1 (ko) | 반도체 장치 및 그 제조방법 | |
KR100596752B1 (ko) | 고전압소자의 형성방법 | |
US5633191A (en) | Process for minimizing encroachment effect of field isolation structure | |
WO2004095522A2 (en) | Deep n wells in triple well structures and method for fabricating same | |
KR100840659B1 (ko) | 디이모스 소자의 제조 방법 | |
KR19990002942A (ko) | 에스오 아이(soi) 소자의 제조방법 | |
KR100552827B1 (ko) | 깊은 웰과 게이트 산화막을 동시에 형성하는 고전압반도체 소자의 제조 방법 | |
US6204131B1 (en) | Trench structure for isolating semiconductor elements and method for forming the same | |
KR100817417B1 (ko) | 고전압 씨모스 소자 및 그 제조 방법 | |
KR100333374B1 (ko) | 더블 게이트를 갖는 에스오아이 소자의 제조방법 | |
KR100613349B1 (ko) | 두 개 이상의 구동 전압을 갖는 게이트를 포함하는 반도체소자 및 그 제조 방법 | |
US5614434A (en) | Method for minimizing the encroachment effect of field isolation structure | |
KR0179805B1 (ko) | 반도체 소자 제조방법 | |
KR100523606B1 (ko) | 반도체 제조 장치에서의 소자 분리 방법 | |
KR100518507B1 (ko) | 선택산화법으로 형성된 이중의 소자격리막을 갖는 반도체장치및 그 제조방법 | |
KR20100079085A (ko) | 반도체소자 및 그 제조방법 | |
KR101128708B1 (ko) | 반도체 소자의 제조방법 | |
US7718477B2 (en) | Semiconductor device and method of fabricating the same | |
KR101022672B1 (ko) | 트렌치형 소자분리를 갖는 반도체소자 및 그의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20130524 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140519 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150518 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160518 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170529 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20180517 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20190516 Year of fee payment: 14 |