KR100464648B1 - 캐패시터 형성 방법 - Google Patents
캐패시터 형성 방법 Download PDFInfo
- Publication number
- KR100464648B1 KR100464648B1 KR10-2002-0013630A KR20020013630A KR100464648B1 KR 100464648 B1 KR100464648 B1 KR 100464648B1 KR 20020013630 A KR20020013630 A KR 20020013630A KR 100464648 B1 KR100464648 B1 KR 100464648B1
- Authority
- KR
- South Korea
- Prior art keywords
- polycrystalline silicon
- forming
- silicon pattern
- wet etching
- capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/711—Electrodes having non-planar surfaces, e.g. formed by texturisation
- H10D1/712—Electrodes having non-planar surfaces, e.g. formed by texturisation being rough surfaces, e.g. using hemispherical grains
-
- 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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/01—Manufacture or treatment
- H10D1/041—Manufacture or treatment of capacitors having no potential barriers
- H10D1/042—Manufacture or treatment of capacitors having no potential barriers using deposition processes to form electrode extensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
- H10D1/692—Electrodes
- H10D1/711—Electrodes having non-planar surfaces, e.g. formed by texturisation
- H10D1/716—Electrodes having non-planar surfaces, e.g. formed by texturisation having vertical extensions
Landscapes
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- General Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
- Weting (AREA)
Abstract
Description
Claims (2)
- 반도체기판 상에 실린더 타입의 다결정 실리콘 패턴을 형성하는 단계와,상기 기판 상에 상기 실린더 타입의 다결정 실리콘 패턴을 덮는 비정질 상태의 금속막을 형성하는 단계와,상기 비정질 상태의 금속막을 결정화하여 금속 결정립들을 성장시키며, 상기 금속 결정립들 사이에 결정입계가 형성되는 단계와,상기 결정화된 금속막을 1차로 습식 식각하여 상기 금속 결정립과 결정입계의 습식 식각 차이에 의해 선택적으로 다결정 실리콘 패턴의 표면이 노출되는 단계와,상기 노출된 다결정 실리콘 패턴의 표면을 2차로 습식 식각하여 표면에 반구형 홈을 가진 스토리지 노드 전극을 형성하는 단계와,상기 반구형 홈을 덮도록 유전체층 및 플레이트 전극을 차례로 형성하는 단계를 포함한 것을 특징으로 하는 캐패시터 형성 방법.
- 제 1항에 있어서, 상기 1차 및 2차 습식 식각 단계에서 습식액으로 H3PO4, HNO3및 CH3COOH의 혼합액을 이용하는 것을 특징으로 하는 캐패시터 형성 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0013630A KR100464648B1 (ko) | 2002-03-13 | 2002-03-13 | 캐패시터 형성 방법 |
US10/330,565 US6706642B2 (en) | 2002-03-13 | 2002-12-27 | Method for fabricating semiconductor capacitors |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0013630A KR100464648B1 (ko) | 2002-03-13 | 2002-03-13 | 캐패시터 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030073876A KR20030073876A (ko) | 2003-09-19 |
KR100464648B1 true KR100464648B1 (ko) | 2005-01-03 |
Family
ID=28036055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0013630A Expired - Fee Related KR100464648B1 (ko) | 2002-03-13 | 2002-03-13 | 캐패시터 형성 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6706642B2 (ko) |
KR (1) | KR100464648B1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103317932B (zh) * | 2012-03-23 | 2018-03-06 | 深圳富泰宏精密工业有限公司 | 基体表面图案制作方法及其制品 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960026661A (ko) * | 1994-12-30 | 1996-07-22 | 김주용 | 커패시터의 전하저장 전극 형성방법 |
US5817555A (en) * | 1996-05-02 | 1998-10-06 | Lg Semicon Co., Ltd. | Method for fabricating capacitor of semiconductor device using hemispherical grain (HSG) polysilicon |
KR19990059193A (ko) * | 1997-12-30 | 1999-07-26 | 김영환 | 반도체장치의 제조방법 |
KR20000052058A (ko) * | 1999-01-29 | 2000-08-16 | 김영환 | 반도체장치의 캐패시터 및 그 제조방법 |
JP2000232205A (ja) * | 1999-02-09 | 2000-08-22 | Nec Corp | 容量素子、それを用いた半導体装置およびそれらの製造方法 |
KR20010003258A (ko) * | 1999-06-22 | 2001-01-15 | 김영환 | 반도체소자의 저장전극 형성방법 |
KR20010003471A (ko) * | 1999-06-23 | 2001-01-15 | 김영환 | 반도체 소자의 제조방법 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5877063A (en) | 1995-07-17 | 1999-03-02 | Micron Technology, Inc. | Method of forming rough polysilicon surfaces |
JP2795316B2 (ja) * | 1996-05-21 | 1998-09-10 | 日本電気株式会社 | 半導体装置の製造方法 |
KR100282709B1 (ko) * | 1998-08-28 | 2001-03-02 | 윤종용 | 반구형 실리콘을 이용한 캐패시터의 제조 방법 |
KR100328360B1 (ko) | 1999-04-26 | 2002-03-13 | 윤종용 | 반구형 결정립의 제조 방법 |
US6403442B1 (en) * | 1999-09-02 | 2002-06-11 | Micron Technology, Inc. | Methods of forming capacitors and resultant capacitor structures |
US6194266B1 (en) * | 2000-02-22 | 2001-02-27 | United Microelectronics Corp. | Method for forming a capacitor having selective hemispherical grained polysilicon |
-
2002
- 2002-03-13 KR KR10-2002-0013630A patent/KR100464648B1/ko not_active Expired - Fee Related
- 2002-12-27 US US10/330,565 patent/US6706642B2/en not_active Expired - Fee Related
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR960026661A (ko) * | 1994-12-30 | 1996-07-22 | 김주용 | 커패시터의 전하저장 전극 형성방법 |
KR0171925B1 (ko) * | 1994-12-30 | 1999-03-30 | 김주용 | 커패시터의 전하저장 전극 형성방법 |
US5817555A (en) * | 1996-05-02 | 1998-10-06 | Lg Semicon Co., Ltd. | Method for fabricating capacitor of semiconductor device using hemispherical grain (HSG) polysilicon |
KR19990059193A (ko) * | 1997-12-30 | 1999-07-26 | 김영환 | 반도체장치의 제조방법 |
KR20000052058A (ko) * | 1999-01-29 | 2000-08-16 | 김영환 | 반도체장치의 캐패시터 및 그 제조방법 |
JP2000232205A (ja) * | 1999-02-09 | 2000-08-22 | Nec Corp | 容量素子、それを用いた半導体装置およびそれらの製造方法 |
KR20010003258A (ko) * | 1999-06-22 | 2001-01-15 | 김영환 | 반도체소자의 저장전극 형성방법 |
KR20010003471A (ko) * | 1999-06-23 | 2001-01-15 | 김영환 | 반도체 소자의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20030073876A (ko) | 2003-09-19 |
US20030176077A1 (en) | 2003-09-18 |
US6706642B2 (en) | 2004-03-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5616511A (en) | Method of fabricating a micro-trench storage capacitor | |
US5324679A (en) | Method for manufacturing a semiconductor device having increased surface area conductive layer | |
US5464791A (en) | Method of fabricating a micro-trench storage capacitor | |
US5550080A (en) | Method for fabricating capacitors of semiconductor device | |
JPS61258467A (ja) | 半導体記憶装置 | |
KR100301369B1 (ko) | 반도체메모리장치의커패시터제조방법 | |
JPH09283724A (ja) | スタック形dramセルのキャパシタ製造方法 | |
KR100290835B1 (ko) | 반도체소자의제조방법 | |
KR100464648B1 (ko) | 캐패시터 형성 방법 | |
US5346846A (en) | Method of manufacturing a highly integrated semiconductor device | |
KR100268412B1 (ko) | 반도체 메모리 장치의 커패시터 제조 방법 | |
KR0154195B1 (ko) | 반도체 소자의 전하저장전극 형성방법 | |
KR20010059517A (ko) | 고집적 반도체 메모리장치의 실린더형 하부전극 제조방법 | |
US5691227A (en) | Method for forming charge storage electrodes of semiconductor device | |
KR100195188B1 (ko) | 반도체메모리장치의 제조방법 | |
KR100346453B1 (ko) | 반도체소자의 저장전극 형성방법 | |
KR100269607B1 (ko) | 캐패시터 형성방법 | |
KR0144422B1 (ko) | 반도체소자 및 그 제조방법 | |
EP4207264A1 (en) | Semiconductor structure and manufacturing method therefor | |
KR0183728B1 (ko) | 반도체장치의 캐패시터 및 그 제조방법 | |
KR20000000566A (ko) | 반구형 그레인 실리콘층을 사용하는 반도체소자의 커패시터 형성방법 | |
KR0166492B1 (ko) | 반도체 소자의 캐패시터 제조방법 | |
KR100325457B1 (ko) | 디램캐패시터형성방법 | |
KR0126624B1 (ko) | 반도체소자의 캐패시터 제조방법 | |
KR0159019B1 (ko) | 반도체 소자의 캐패시터 형성방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
St.27 status event code: A-0-1-A10-A12-nap-PA0109 |
|
PA0201 | Request for examination |
St.27 status event code: A-1-2-D10-D11-exm-PA0201 |
|
PG1501 | Laying open of application |
St.27 status event code: A-1-1-Q10-Q12-nap-PG1501 |
|
D13-X000 | Search requested |
St.27 status event code: A-1-2-D10-D13-srh-X000 |
|
D14-X000 | Search report completed |
St.27 status event code: A-1-2-D10-D14-srh-X000 |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
St.27 status event code: A-1-2-D10-D21-exm-PE0902 |
|
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
P11-X000 | Amendment of application requested |
St.27 status event code: A-2-2-P10-P11-nap-X000 |
|
P13-X000 | Application amended |
St.27 status event code: A-2-2-P10-P13-nap-X000 |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
St.27 status event code: A-1-2-D10-D22-exm-PE0701 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
St.27 status event code: A-2-4-F10-F11-exm-PR0701 |
|
PR1002 | Payment of registration fee |
Fee payment year number: 1 St.27 status event code: A-2-2-U10-U11-oth-PR1002 |
|
PG1601 | Publication of registration |
St.27 status event code: A-4-4-Q10-Q13-nap-PG1601 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 4 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 5 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 6 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 7 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
FPAY | Annual fee payment |
Payment date: 20111121 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 8 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 St.27 status event code: A-5-5-R10-R13-asn-PN2301 |
|
FPAY | Annual fee payment |
Payment date: 20121121 Year of fee payment: 9 |
|
PR1001 | Payment of annual fee |
Fee payment year number: 9 St.27 status event code: A-4-4-U10-U11-oth-PR1001 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 St.27 status event code: A-5-5-R10-R13-asn-PN2301 |
|
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |
Not in force date: 20131223 Payment event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE St.27 status event code: A-4-4-U10-U13-oth-PC1903 |
|
PC1903 | Unpaid annual fee |
Ip right cessation event data comment text: Termination Category : DEFAULT_OF_REGISTRATION_FEE Not in force date: 20131223 St.27 status event code: N-4-6-H10-H13-oth-PC1903 |
|
PN2301 | Change of applicant |
St.27 status event code: A-5-5-R10-R11-asn-PN2301 St.27 status event code: A-5-5-R10-R13-asn-PN2301 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |
|
P22-X000 | Classification modified |
St.27 status event code: A-4-4-P10-P22-nap-X000 |