KR100586146B1 - 실리콘-온-인슐레이터(soi) 장치용 온-칩 디커플링트렌치 캐패시터(dtc) 및 그 형성 방법 - Google Patents
실리콘-온-인슐레이터(soi) 장치용 온-칩 디커플링트렌치 캐패시터(dtc) 및 그 형성 방법 Download PDFInfo
- Publication number
- KR100586146B1 KR100586146B1 KR1020040013917A KR20040013917A KR100586146B1 KR 100586146 B1 KR100586146 B1 KR 100586146B1 KR 1020040013917 A KR1020040013917 A KR 1020040013917A KR 20040013917 A KR20040013917 A KR 20040013917A KR 100586146 B1 KR100586146 B1 KR 100586146B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- silicon
- capacitor
- buried oxide
- oxide layer
- 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
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 55
- 239000010703 silicon Substances 0.000 title claims abstract description 55
- 235000001892 vitamin D2 Nutrition 0.000 title description 47
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000758 substrate Substances 0.000 claims abstract description 41
- 238000000034 method Methods 0.000 claims abstract description 32
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 22
- 229920005591 polysilicon Polymers 0.000 claims abstract description 22
- 238000002955 isolation Methods 0.000 claims abstract description 10
- 239000003990 capacitor Substances 0.000 claims description 54
- 239000012212 insulator Substances 0.000 claims description 7
- 238000011049 filling Methods 0.000 claims description 2
- 238000009413 insulation Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 description 14
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 229910052581 Si3N4 Inorganic materials 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 6
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 6
- 238000001459 lithography Methods 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- MECHNRXZTMCUDQ-RKHKHRCZSA-N vitamin D2 Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)/C=C/[C@H](C)C(C)C)=C\C=C1\C[C@@H](O)CCC1=C MECHNRXZTMCUDQ-RKHKHRCZSA-N 0.000 description 5
- 239000011653 vitamin D2 Substances 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 238000005530 etching Methods 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000006117 anti-reflective coating Substances 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 238000010561 standard procedure Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- ABLZXFCXXLZCGV-UHFFFAOYSA-N Phosphorous acid Chemical compound OP(O)=O ABLZXFCXXLZCGV-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
-
- 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
- H10D1/045—Manufacture or treatment of capacitors having potential barriers, e.g. varactors
- H10D1/047—Manufacture or treatment of capacitors having potential barriers, e.g. varactors of conductor-insulator-semiconductor capacitors, e.g. trench capacitors
-
- 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
- H10D1/62—Capacitors having potential barriers
- H10D1/66—Conductor-insulator-semiconductor capacitors, e.g. MOS capacitors
- H10D1/665—Trench conductor-insulator-semiconductor capacitors, e.g. trench MOS capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/01—Manufacture or treatment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D86/00—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates
- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
Landscapes
- Semiconductor Integrated Circuits (AREA)
- Element Separation (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (9)
- 실리콘-온-인슐레이터 장치(silicon-on-insulator devices)용 온-칩 디커플링 트렌치 캐패시터(on-chip decoupling trench capacitor)로서,실리콘 기판 상의 매립형 산화물층(buried oxide layer)과,상기 매립형 산화물층 위의 실리콘층 - 상기 실리콘층은 그 내부에 상기 매립형 산화물층으로 연장되는 얕은 트렌치 절연부(shallow trench insulation)가 형성되어 있음 - 과,상기 얕은 트렌치 절연부 내에 형성되고 상기 매립형 산화물층을 통과하여 상기 실리콘 기판 내부로 연장되는 제 1 트렌치 - 상기 제 1 트렌치의 벽(walls) 상에 산화물 절연층(oxide insulating layer)을 형성한 후 폴리실리콘으로 충진하여 상기 디커플링 캐패시터를 형성함 - 와,상기 제 1 트렌치에 인접하여 상기 실리콘층 내에 형성되고, 상기 매립형 산화물층을 통과하여 상기 실리콘 기판 내부로 연장되는 제 2 트렌치 - 상기 제 2 트렌치는 폴리실리콘으로 충진되고, 상기 디커플링 캐패시터를 위한 기판 컨택트(substrate contact)를 형성함 -를 포함하는 온-칩 디커플링 트렌치 캐패시터.
- 삭제
- 삭제
- 삭제
- 온-칩 디커플링 트렌치 캐패시터로서,실리콘 기판과,상기 실리콘 기판 상의 매립형 산화물층과,상기 매립형 산화물층으로 연장되는 얕은 트렌치 절연부를 구비하는 상기 매리형 산화물층 위의 실리콘층과,상기 얕은 트렌치 절연부와 상기 매립형 산화물층을 통해 상기 실리콘 기판 내로 연장되면서 그 안에 형성되는 트렌치 내에 위치하고, 상기 트렌치 내부를 피복하는 유전성 라이너(a dielectric liner)를 포함하는 디커플링 캐패시터와,상기 디커플링 캐패시터 트렌치에 인접하여 상기 실리콘층 내에 형성되고, 상기 매립형 산화물층을 통해 상기 실리콘 기판 내로 연장되는 상기 디커플링 캐패시터 트렌치를 위한 기판 컨택트 트렌치를 포함하는 온-칩 디커플링 트렌치 캐패시터.
- 제 5 항에 있어서,상기 디커플링 캐패시터 트렌치와 상기 디커플링 캐패시터 트렌치를 위한 기판 컨택트는 폴리실리콘으로 충진되는 온-칩 디커플링 트렌치 캐패시터.
- 온-칩 디커플링 트렌치 캐패시터로서,그 내부에 얕은 트렌치 절연부가 형성되어 있는 실리콘층과,상기 얕은 트렌치 절연부 내에 형성되고, 그 벽 상에 산화물 절연층을 형성한 후 폴리실리콘으로 충진하여 상기 디커플링 트렌치 캐패시터를 형성하는 제 1 트렌치와,상기 제 1 트렌치에 인접하여 상기 실리콘층 내에 형성되고, 폴리실리콘으로 충진되어 상기 디커플링 트렌치 캐패시터를 위한 기판 컨택트를 형성하는 제 2 트렌치를 포함하는 온-칩 디커플링 트렌치 캐패시터.
- 제 7 항에 있어서,상기 디커플링 트렌치 캐패시터는 실리콘-온-인슐레이터 장치를 위한 것으로서,실리콘 기판 상의 매립형 산화물층을 더 포함하되,상기 실리콘층은 상기 매립형 산화물층 위에 형성되고,상기 얕은 트렌치 절연부는 상기 매립형 산화물층으로 연장되며,상기 제 1 트렌치는 상기 매립형 산화물층을 통해 상기 실리콘 기판 내로 연장되고,상기 제 2 트렌치는 상기 매립형 산화물층을 통해 상기 실리콘 기판 내로 연장되는온-칩 디커플링 트렌치 캐패시터.
- 제 1 항, 제 5 항, 제 7 항, 제 8 항 중 어느 한 항에 있어서,상기 제 1 트렌치 또는 상기 디커플링 캐패시터 트렌치의 폭 및 깊이는 사전 결정된 캐패시턴스를 제공하도록 선택되는 온-칩 디커플링 트렌치 캐패시터.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/249,386 | 2003-04-03 | ||
US10/249,386 US6825545B2 (en) | 2003-04-03 | 2003-04-03 | On chip decap trench capacitor (DTC) for ultra high performance silicon on insulator (SOI) systems microprocessors |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040086739A KR20040086739A (ko) | 2004-10-12 |
KR100586146B1 true KR100586146B1 (ko) | 2006-06-07 |
Family
ID=33096532
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040013917A Expired - Fee Related KR100586146B1 (ko) | 2003-04-03 | 2004-03-02 | 실리콘-온-인슐레이터(soi) 장치용 온-칩 디커플링트렌치 캐패시터(dtc) 및 그 형성 방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6825545B2 (ko) |
JP (1) | JP3790763B2 (ko) |
KR (1) | KR100586146B1 (ko) |
Families Citing this family (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7118986B2 (en) * | 2004-06-16 | 2006-10-10 | International Business Machines Corporation | STI formation in semiconductor device including SOI and bulk silicon regions |
GB2442400B (en) * | 2005-06-30 | 2010-09-29 | Advanced Micro Devices Inc | A semiconductor device including a vertical decoupling capacitor |
DE102005030585B4 (de) * | 2005-06-30 | 2011-07-28 | Globalfoundries Inc. | Halbleiterbauelement mit einem vertikalen Entkopplungskondensator und Verfahren zu seiner Herstellung |
US20070045698A1 (en) * | 2005-08-31 | 2007-03-01 | International Business Machines Corporation | Semiconductor structures with body contacts and fabrication methods thereof |
US20070045697A1 (en) * | 2005-08-31 | 2007-03-01 | International Business Machines Corporation | Body-contacted semiconductor structures and methods of fabricating such body-contacted semiconductor structures |
US7358172B2 (en) * | 2006-02-21 | 2008-04-15 | International Business Machines Corporation | Poly filled substrate contact on SOI structure |
JP2007317954A (ja) * | 2006-05-26 | 2007-12-06 | Nec Electronics Corp | 半導体装置及びその製造方法 |
JP5261929B2 (ja) * | 2006-12-15 | 2013-08-14 | 株式会社デンソー | 半導体装置 |
US20080160713A1 (en) * | 2006-12-29 | 2008-07-03 | Kangguo Cheng | Simultaneously forming high-speed and low-power memory devices on a single substrate |
DE102008007002B4 (de) * | 2008-01-31 | 2013-03-28 | Advanced Micro Devices, Inc. | Verfahren zum Bilden von Substratkontakten für moderne SOI-Bauelemente auf der Grundlage einer tiefen Grabenkondensatorkonfiguration |
US7384842B1 (en) | 2008-02-14 | 2008-06-10 | International Business Machines Corporation | Methods involving silicon-on-insulator trench memory with implanted plate |
US20100200949A1 (en) * | 2009-02-12 | 2010-08-12 | International Business Machines Corporation | Method for tuning the threshold voltage of a metal gate and high-k device |
US8222104B2 (en) | 2009-07-27 | 2012-07-17 | International Business Machines Corporation | Three dimensional integrated deep trench decoupling capacitors |
US8513723B2 (en) * | 2010-01-19 | 2013-08-20 | International Business Machines Corporation | Method and structure for forming high performance MOS capacitor along with fully depleted semiconductor on insulator devices on the same chip |
TWI498947B (zh) * | 2010-03-03 | 2015-09-01 | United Microelectronics Corp | 一種摻雜圖案之製作方法 |
US8461005B2 (en) * | 2010-03-03 | 2013-06-11 | United Microelectronics Corp. | Method of manufacturing doping patterns |
CN102194743B (zh) * | 2010-03-16 | 2014-09-24 | 联华电子股份有限公司 | 一种掺杂图案的制作方法 |
KR20130111782A (ko) | 2012-04-02 | 2013-10-11 | 삼성전자주식회사 | 셀형 파워 디커플링 커패시터를 포함하는 반도체 메모리 장치 및 셀형 파워 디커플링 커패시터 배치 방법 |
US9466662B2 (en) * | 2012-12-28 | 2016-10-11 | Intel Corporation | Energy storage devices formed with porous silicon |
US11469295B1 (en) | 2019-07-29 | 2022-10-11 | Marvell Asia Pte Ltd | Decoupling capacitor integrated in system on chip (SOC) device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5665622A (en) * | 1995-03-15 | 1997-09-09 | International Business Machines Corporation | Folded trench and rie/deposition process for high-value capacitors |
US5606188A (en) * | 1995-04-26 | 1997-02-25 | International Business Machines Corporation | Fabrication process and structure for a contacted-body silicon-on-insulator dynamic random access memory |
US5770875A (en) * | 1996-09-16 | 1998-06-23 | International Business Machines Corporation | Large value capacitor for SOI |
US6387772B1 (en) * | 2000-04-25 | 2002-05-14 | Agere Systems Guardian Corp. | Method for forming trench capacitors in SOI substrates |
US6538283B1 (en) * | 2000-07-07 | 2003-03-25 | Lucent Technologies Inc. | Silicon-on-insulator (SOI) semiconductor structure with additional trench including a conductive layer |
-
2003
- 2003-04-03 US US10/249,386 patent/US6825545B2/en not_active Expired - Fee Related
-
2004
- 2004-03-02 KR KR1020040013917A patent/KR100586146B1/ko not_active Expired - Fee Related
- 2004-03-30 JP JP2004101088A patent/JP3790763B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2004311997A (ja) | 2004-11-04 |
KR20040086739A (ko) | 2004-10-12 |
JP3790763B2 (ja) | 2006-06-28 |
US20040195621A1 (en) | 2004-10-07 |
US6825545B2 (en) | 2004-11-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100586146B1 (ko) | 실리콘-온-인슐레이터(soi) 장치용 온-칩 디커플링트렌치 캐패시터(dtc) 및 그 형성 방법 | |
CN109244033B (zh) | 具有气隙结构的射频开关 | |
US12051646B2 (en) | Metal line structure and method | |
US9548356B2 (en) | Shallow trench isolation structures | |
US8021943B2 (en) | Simultaneously formed isolation trench and through-box contact for silicon-on-insulator technology | |
US20090258472A1 (en) | Semiconductor array and method for manufacturing a semiconductor array | |
KR20140077815A (ko) | 임베딩된 mos 버랙터를 갖는 finfet 및 그 제조 방법 | |
TWI609459B (zh) | 半導體裝置及其形成方法 | |
CN101211849B (zh) | 半导体器件电容制备方法 | |
US6677194B2 (en) | Method of manufacturing a semiconductor integrated circuit device | |
JP2005116744A (ja) | 半導体装置およびその製造方法 | |
EP1790005A1 (en) | Contacting and filling deep-trench-isolation with tungsten | |
US10096689B2 (en) | Low end parasitic capacitance FinFET | |
US7772083B2 (en) | Trench forming method and structure | |
KR100462365B1 (ko) | 매몰 트랜지스터를 갖는 고전압 반도체 소자 및 그 제조방법 | |
US8642419B2 (en) | Methods of forming isolation structures for semiconductor devices | |
US9589831B2 (en) | Mechanisms for forming radio frequency (RF) area of integrated circuit structure | |
KR100344736B1 (ko) | 전계 효과 트랜지스터 구조체 및 제조 방법 | |
KR20110067844A (ko) | 반도체 소자의 제조 방법 | |
KR100707593B1 (ko) | 반도체 소자의 이중 소자분리 구조 및 그 형성 방법 | |
KR100986630B1 (ko) | 반도체 소자의 트렌치 mos 커패시터 및 그 제조 방법 | |
KR101051813B1 (ko) | 시모스 소자 및 그 제조방법 | |
KR100214856B1 (ko) | 정전하 방전 반도체 소자 및 그의 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20040302 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20051125 Patent event code: PE09021S01D |
|
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: 20060509 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20060525 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20060524 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
LAPS | Lapse due to unpaid annual fee | ||
PC1903 | Unpaid annual fee |