KR20070066258A - 반도체소자의 커패시터 및 그 제조방법 - Google Patents
반도체소자의 커패시터 및 그 제조방법 Download PDFInfo
- Publication number
- KR20070066258A KR20070066258A KR1020050127215A KR20050127215A KR20070066258A KR 20070066258 A KR20070066258 A KR 20070066258A KR 1020050127215 A KR1020050127215 A KR 1020050127215A KR 20050127215 A KR20050127215 A KR 20050127215A KR 20070066258 A KR20070066258 A KR 20070066258A
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- Prior art keywords
- film
- layer
- metal
- polysilicon
- capacitor
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- 239000003990 capacitor Substances 0.000 title claims abstract description 68
- 239000004065 semiconductor Substances 0.000 title claims abstract description 25
- 238000004519 manufacturing process Methods 0.000 title description 11
- 239000002184 metal Substances 0.000 claims abstract description 62
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 59
- 229920005591 polysilicon Polymers 0.000 claims abstract description 59
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 239000012535 impurity Substances 0.000 claims description 5
- 238000005530 etching Methods 0.000 abstract description 8
- 238000000151 deposition Methods 0.000 abstract description 3
- 238000009413 insulation Methods 0.000 abstract 5
- 229920002120 photoresistant polymer Polymers 0.000 description 13
- 150000004767 nitrides Chemical class 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/005—Electrodes
- H01G4/008—Selection of materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/002—Details
- H01G4/228—Terminals
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G4/00—Fixed capacitors; Processes of their manufacture
- H01G4/33—Thin- or thick-film capacitors
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
-
- 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
- H01L29/66083—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by variation of the electric current supplied or the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched, e.g. two-terminal devices
- H01L29/66181—Conductor-insulator-semiconductor capacitors, e.g. trench capacitors
-
- 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
- H01L29/86—Types of semiconductor device ; Multistep manufacturing processes therefor controllable only by variation of the electric current supplied, or only the electric potential applied, to one or more of the electrodes carrying the current to be rectified, amplified, oscillated or switched
- H01L29/92—Capacitors having potential barriers
- H01L29/94—Metal-insulator-semiconductors, e.g. MOS
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (5)
- 반도체기판 위에 배치되는 폴리실리콘막;상기 폴리실리콘막 위에 배치되는 커패시터 유전체막;상기 커패시터 유전체막 위에 배치되는 절연막;상기 절연막의 제1 영역을 관통하여 상기 커패시터 유전체막과 연결되도록 배치되는 금속막;상기 절연막 위에서 상기 금속막과 연결되도록 배치되는 상부금속배선막; 및상기 절연막 위에서 상기 절연막의 제2 영역 및 커패시터 유전체막을 관통하는 금속컨택을 통해 상기 폴리실리콘막과 연결되도록 배치되는 하부금속배선막을 구비하는 것을 특징으로 하는 반도체소자의 커패시터.
- 제1항에 있어서,상기 금속막의 폭은 상기 금속컨택의 폭보다 상대적으로 더 큰 것을 특징으로 하는 반도체소자의 커패시터.
- 반도체기판 위에 폴리실리콘막을 형성하는 단계;상기 폴리실리콘막 위에 커패시터 유전체막을 형성하는 단계;상기 커패시터 유전체막 위에 절연막을 형성하는 단계;상기 절연막의 제1 영역 및 제2 영역을 제거하여 상기 커패시터 유전체막의 제1 영역 및 제2 영역 표면을 노출시키는 제1 컨택홀 및 제2 컨택홀을 형성하는 단계;상기 커패시터 유전체막의 제2 영역 노출부분을 제거하여 상기 폴리실리콘막의 일부표면을 노출시키는 단계;상기 커패시터 유전체막의 일부표면을 노출시키는 제1 컨택홀 및 상기 폴리실리콘막의 일부표면을 노출시키는 제2 컨택홀을 금속막으로 채워 상기 제1 영역의 금속막 및 제2 영역의 금속컨택을 형성하는 단계; 및상기 절연막 위에 상기 금속막 및 금속컨택과 각각 연결되는 상부금속배선막 및 하부금속배선막을 형성하는 단계를 포함하는 것을 특징으로 하는 반도체소자의 커패시터 제조방법.
- 제3항에 있어서,상기 폴리실리콘막을 형성한 후에 상기 폴리실리콘막 내에 n형 불순물이온을 주입하는 단계를 더 포함하는 것을 특징으로 하는 반도체소자의 커패시터 제조방법.
- 제3항에 있어서,상기 제1 컨택홀의 폭은 상기 제2 컨택홀의 폭보다 크게 형성하는 것을 특징으로 하는 반도체소자의 커패시터 제조방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050127215A KR100759215B1 (ko) | 2005-12-21 | 2005-12-21 | 반도체소자의 커패시터 및 그 제조방법 |
US11/611,695 US7560333B2 (en) | 2005-12-21 | 2006-12-15 | Capacitor in semiconductor device and method of manufacturing the same |
CNB2006101732676A CN100474633C (zh) | 2005-12-21 | 2006-12-19 | 半导体器件中的电容器及其制造方法 |
US12/492,026 US7755127B2 (en) | 2005-12-21 | 2009-06-25 | Capacitor in semiconductor device and method of manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020050127215A KR100759215B1 (ko) | 2005-12-21 | 2005-12-21 | 반도체소자의 커패시터 및 그 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20070066258A true KR20070066258A (ko) | 2007-06-27 |
KR100759215B1 KR100759215B1 (ko) | 2007-09-14 |
Family
ID=38184884
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020050127215A KR100759215B1 (ko) | 2005-12-21 | 2005-12-21 | 반도체소자의 커패시터 및 그 제조방법 |
Country Status (3)
Country | Link |
---|---|
US (2) | US7560333B2 (ko) |
KR (1) | KR100759215B1 (ko) |
CN (1) | CN100474633C (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7855422B2 (en) * | 2006-05-31 | 2010-12-21 | Alpha & Omega Semiconductor, Ltd. | Formation of high sheet resistance resistors and high capacitance capacitors by a single polysilicon process |
CN101399266B (zh) * | 2007-09-29 | 2010-08-25 | 中芯国际集成电路制造(上海)有限公司 | 一种改进型电容及其制造方法 |
US9082555B2 (en) | 2011-08-22 | 2015-07-14 | Micron Technology, Inc. | Structure comprising multiple capacitors and methods for forming the structure |
CN108346570B (zh) * | 2018-01-24 | 2020-09-04 | 中芯集成电路(宁波)有限公司 | 一种半导体器件的制作方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW386289B (en) * | 1997-07-03 | 2000-04-01 | Matsushita Electronics Corp | Capacitance element and manufacturing thereof |
US6838352B1 (en) | 2002-07-05 | 2005-01-04 | Newport Fab, Llc. | Damascene trench capacitor for mixed-signal/RF IC applications |
KR100450681B1 (ko) * | 2002-08-16 | 2004-10-02 | 삼성전자주식회사 | 반도체 메모리 소자의 커패시터 및 그 제조 방법 |
KR20040091981A (ko) | 2003-04-23 | 2004-11-03 | 주식회사 하이닉스반도체 | 반도체소자의 캐패시터 제조방법 |
KR100584996B1 (ko) * | 2003-11-22 | 2006-05-29 | 주식회사 하이닉스반도체 | 산화하프늄과 산화알루미늄이 혼합된 유전막을 갖는캐패시터 및 그 제조 방법 |
JP2005235987A (ja) * | 2004-02-19 | 2005-09-02 | Toshiba Corp | 半導体記憶装置及び半導体記憶装置の製造方法 |
KR100568516B1 (ko) * | 2004-02-24 | 2006-04-07 | 삼성전자주식회사 | 후처리 기술을 사용하여 아날로그 커패시터를 제조하는 방법 |
KR100564626B1 (ko) * | 2004-05-28 | 2006-03-28 | 삼성전자주식회사 | 대용량 mim 캐패시터 및 그 제조방법 |
KR20060091963A (ko) | 2005-02-16 | 2006-08-22 | 엘지전자 주식회사 | 텔레비전 수상기의 입력모드 자동 전환 장치 및 방법. |
-
2005
- 2005-12-21 KR KR1020050127215A patent/KR100759215B1/ko not_active IP Right Cessation
-
2006
- 2006-12-15 US US11/611,695 patent/US7560333B2/en not_active Expired - Fee Related
- 2006-12-19 CN CNB2006101732676A patent/CN100474633C/zh not_active Expired - Fee Related
-
2009
- 2009-06-25 US US12/492,026 patent/US7755127B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20070146962A1 (en) | 2007-06-28 |
KR100759215B1 (ko) | 2007-09-14 |
US20090262483A1 (en) | 2009-10-22 |
CN1988181A (zh) | 2007-06-27 |
US7560333B2 (en) | 2009-07-14 |
US7755127B2 (en) | 2010-07-13 |
CN100474633C (zh) | 2009-04-01 |
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