KR100196226B1 - 반도체장치의 접촉 홀 형성방법 - Google Patents
반도체장치의 접촉 홀 형성방법 Download PDFInfo
- Publication number
- KR100196226B1 KR100196226B1 KR1019960041581A KR19960041581A KR100196226B1 KR 100196226 B1 KR100196226 B1 KR 100196226B1 KR 1019960041581 A KR1019960041581 A KR 1019960041581A KR 19960041581 A KR19960041581 A KR 19960041581A KR 100196226 B1 KR100196226 B1 KR 100196226B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- forming
- etching
- insulating film
- mask
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 50
- 239000000758 substrate Substances 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 2
- 238000000151 deposition Methods 0.000 claims description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 2
- 238000007740 vapor deposition Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 description 4
- 230000007423 decrease Effects 0.000 description 3
- 229920000642 polymer Polymers 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76804—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics by forming tapered via holes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (6)
- 기판 상에 절연막을 형성하는 공정과, 상기 절연막 상에 소정 부분을 노출시키는 마스크층을 형성하는 공정과, 상기 절연막 상의 노출된 부분과 상기 마스크층 상에 저식각층을 형성하는 공정과, 상기 저식각층을 상기 절연막이 노출되며 상기 마스크층의 측면에 측벽 형태로 잔류하도록 에치 백하며 계속해서 식각 조건을 변화시키지 않고 상기 마스크층을 마스크로 사용하여 상기 측벽 형태로 잔류하는 저식각층과 절연막의 노출된 부분을 기판이 노출되도록 식각하여 경사진 측면을 갖는 접촉 홀을 형성하는 공정과, 상기 절연막 상의 마스크를 제거하는 공정을 구비하는 반도체장치의 접촉 홀 형성 방법.
- 제1항에 있어서, 상기 마스크층을 상기 절연막을 형성하는 산화실리콘과 식각 선택비가 높은 다결정실리콘으로 형성하는 반도체장치의 접촉 홀 형성 방법.
- 제2항에 있어서, 상기 마스크층을 호학기상증착 방법으로 1000~3000Å의 두께로 증착하여 형성하는 반도체장치의 접촉 홀 형성 방법.
- 제1항에 있어서, 상기 저식각층을 상기 절연막을 형성하는 산화실리콘과 식각 선택비가 높은 질화실리콘으로 형성하는 반도체 접촉 홀 형성 방법.
- 제4항에 있어서, 상기 저식각층을 화학기상증착 방법으로 500~2000Å의 두께로 증착하여 형성하는 반도체장치의 접촉 홀 형성 방법.
- 제1항에 있어서, 상기 접촉 홀을 CHF3이 5~100sccm, CF4이 5~100sccm, 그리고 Ar이 10~400sccm으로 혼합된 가스로 형성하는 반도체장치의 접촉 홀 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960041581A KR100196226B1 (ko) | 1996-09-23 | 1996-09-23 | 반도체장치의 접촉 홀 형성방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960041581A KR100196226B1 (ko) | 1996-09-23 | 1996-09-23 | 반도체장치의 접촉 홀 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR19980022423A KR19980022423A (ko) | 1998-07-06 |
KR100196226B1 true KR100196226B1 (ko) | 1999-06-15 |
Family
ID=19474821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960041581A KR100196226B1 (ko) | 1996-09-23 | 1996-09-23 | 반도체장치의 접촉 홀 형성방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100196226B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100842499B1 (ko) * | 2006-12-28 | 2008-07-01 | 동부일렉트로닉스 주식회사 | 반도체장치의 제조방법 |
JP2014003085A (ja) * | 2012-06-15 | 2014-01-09 | Tokyo Electron Ltd | プラズマエッチング方法及びプラズマ処理装置 |
-
1996
- 1996-09-23 KR KR1019960041581A patent/KR100196226B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR19980022423A (ko) | 1998-07-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5895740A (en) | Method of forming contact holes of reduced dimensions by using in-situ formed polymeric sidewall spacers | |
US4461672A (en) | Process for etching tapered vias in silicon dioxide | |
EP0536968A2 (en) | Process for forming contact holes in the fabrication of semi-conducteur devices | |
KR100415088B1 (ko) | 반도체장치의 제조방법 | |
JP3248072B2 (ja) | 酸化膜エッチング方法 | |
JPH11186225A (ja) | テーパ形コンタクトホールの形成方法、テーパ形ポリシリコンプラグの形成方法並びにテーパ形ポリシリコンプラグ | |
US6103596A (en) | Process for etching a silicon nitride hardmask mask with zero etch bias | |
JPH10242117A (ja) | 半導体装置の製造方法 | |
GB2349505A (en) | Method of fabricating a semiconductor device | |
JPH06334031A (ja) | 半導体装置の素子分離方法 | |
KR100196226B1 (ko) | 반도체장치의 접촉 홀 형성방법 | |
JP3383807B2 (ja) | 半導体装置の製造方法 | |
KR100249384B1 (ko) | 접촉홀 형성방법 | |
KR100587039B1 (ko) | 반도체 장치의 콘택홀 형성방법 | |
KR100338091B1 (ko) | 반도체소자제조방법 | |
KR0139072B1 (ko) | 접촉구멍에 플러그를 형성하는 공정을 갖는 반도체 장치 제조방법 | |
KR20000045442A (ko) | 반도체소자의 콘택 형성방법 | |
KR100257062B1 (ko) | 플러그 형성방법 | |
KR20010060984A (ko) | 반도체 장치의 콘택홀 형성방법 | |
KR100223265B1 (ko) | 반도체 소자의 콘택홀 형성방법 | |
KR100256809B1 (ko) | 반도체 소자의 콘택홀 형성방법 | |
KR100248345B1 (ko) | 반도체 소자의 금속 배선 형성 방법 | |
KR0166203B1 (ko) | 반도체장치의 콘택 형성방법 | |
KR100248627B1 (ko) | 반도체장치의 배선 형성 방법 | |
KR100249012B1 (ko) | 반도체장치의 콘택홀 형성방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960923 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960923 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990128 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19990219 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19990220 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20020116 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20030120 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20040119 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20050120 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20060118 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20061211 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20080102 Start annual number: 10 End annual number: 10 |
|
FPAY | Annual fee payment |
Payment date: 20090121 Year of fee payment: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20090121 Start annual number: 11 End annual number: 11 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Termination category: Default of registration fee Termination date: 20110110 |