CN1228610A - 自校准内埋板 - Google Patents
自校准内埋板 Download PDFInfo
- Publication number
- CN1228610A CN1228610A CN99103647A CN99103647A CN1228610A CN 1228610 A CN1228610 A CN 1228610A CN 99103647 A CN99103647 A CN 99103647A CN 99103647 A CN99103647 A CN 99103647A CN 1228610 A CN1228610 A CN 1228610A
- Authority
- CN
- China
- Prior art keywords
- ditch
- layer
- polysilicon layer
- nitride layer
- etching
- 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.)
- Granted
Links
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 136
- 238000000034 method Methods 0.000 claims abstract description 108
- 150000004767 nitrides Chemical class 0.000 claims abstract description 92
- 229920005591 polysilicon Polymers 0.000 claims abstract description 90
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 89
- 239000010703 silicon Substances 0.000 claims abstract description 89
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 88
- 238000005530 etching Methods 0.000 claims abstract description 69
- 239000003990 capacitor Substances 0.000 claims description 60
- 238000005516 engineering process Methods 0.000 claims description 58
- 230000008569 process Effects 0.000 claims description 57
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 51
- 239000011248 coating agent Substances 0.000 claims description 51
- 238000000576 coating method Methods 0.000 claims description 51
- 229910052785 arsenic Inorganic materials 0.000 claims description 50
- 239000000463 material Substances 0.000 claims description 48
- 239000011159 matrix material Substances 0.000 claims description 41
- 239000000654 additive Substances 0.000 claims description 37
- 230000000996 additive effect Effects 0.000 claims description 37
- 238000001312 dry etching Methods 0.000 claims description 8
- 238000004518 low pressure chemical vapour deposition Methods 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 239000000126 substance Substances 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 2
- 239000004593 Epoxy Substances 0.000 claims 1
- 238000012797 qualification Methods 0.000 claims 1
- 150000003376 silicon Chemical class 0.000 claims 1
- 239000000758 substrate Substances 0.000 abstract 6
- 239000010410 layer Substances 0.000 description 183
- 239000002210 silicon-based material Substances 0.000 description 44
- 230000036961 partial effect Effects 0.000 description 33
- 238000007254 oxidation reaction Methods 0.000 description 19
- 238000000465 moulding Methods 0.000 description 18
- 230000003647 oxidation Effects 0.000 description 16
- 238000000137 annealing Methods 0.000 description 13
- 238000012545 processing Methods 0.000 description 13
- 230000001681 protective effect Effects 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000002950 deficient Effects 0.000 description 6
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 238000000151 deposition Methods 0.000 description 5
- 230000008021 deposition Effects 0.000 description 5
- 239000002019 doping agent Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000001039 wet etching Methods 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 230000003628 erosive effect Effects 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- 241000276425 Xiphophorus maculatus Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005055 memory storage Effects 0.000 description 1
- UPSOBXZLFLJAKK-UHFFFAOYSA-N ozone;tetraethyl silicate Chemical compound [O-][O+]=O.CCO[Si](OCC)(OCC)OCC UPSOBXZLFLJAKK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000005297 pyrex Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- SFXFPRFVFALOCV-UHFFFAOYSA-N silicon;tetraethyl silicate Chemical compound [Si].CCO[Si](OCC)(OCC)OCC SFXFPRFVFALOCV-UHFFFAOYSA-N 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
Images
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
-
- 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
- H01L29/945—Trench capacitors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/01—Manufacture or treatment
- H10B12/02—Manufacture or treatment for one transistor one-capacitor [1T-1C] memory cells
- H10B12/03—Making the capacitor or connections thereto
- H10B12/038—Making the capacitor or connections thereto the capacitor being in a trench in the substrate
- H10B12/0387—Making the trench
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/37—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells the capacitor being at least partially in a trench in the substrate
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (25)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/037,287 | 1998-03-09 | ||
US09/037287 | 1998-03-09 | ||
US09/037,287 US6699794B1 (en) | 1998-03-09 | 1998-03-09 | Self aligned buried plate |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1228610A true CN1228610A (zh) | 1999-09-15 |
CN1122308C CN1122308C (zh) | 2003-09-24 |
Family
ID=21893522
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99103647A Expired - Fee Related CN1122308C (zh) | 1998-03-09 | 1999-03-09 | 一种在硅基质中成形内埋板的方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6699794B1 (zh) |
EP (1) | EP0942465A3 (zh) |
JP (1) | JPH11330398A (zh) |
KR (1) | KR100570114B1 (zh) |
CN (1) | CN1122308C (zh) |
TW (1) | TW440996B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19956078B4 (de) | 1999-11-22 | 2006-12-28 | Infineon Technologies Ag | Verfahren zur Herstellung eines Isolationskragens in einem Grabenkondensators |
US6573137B1 (en) * | 2000-06-23 | 2003-06-03 | International Business Machines Corporation | Single sided buried strap |
DE10100582A1 (de) | 2001-01-09 | 2002-07-18 | Infineon Technologies Ag | Verfahren zur Herstellung von Grabenkondensatoren für integrierte Halbleiterspeicher |
DE10306318B4 (de) * | 2003-02-14 | 2010-07-22 | Infineon Technologies Ag | Halbleiter-Schaltungsanordnung mit Grabenisolation und Herstellungsverfahren |
US6913968B2 (en) * | 2003-07-30 | 2005-07-05 | International Business Machines Corporation | Method and structure for vertical DRAM devices with self-aligned upper trench shaping |
US7122437B2 (en) * | 2003-12-19 | 2006-10-17 | Infineon Technologies Ag | Deep trench capacitor with buried plate electrode and isolation collar |
DE102005002675B4 (de) * | 2005-01-20 | 2007-02-22 | Infineon Technologies Ag | Verfahren zum Herstellen einer ebenen Spin-on-Schicht auf einer Halbleiterstruktur |
US7294554B2 (en) * | 2006-02-10 | 2007-11-13 | International Business Machines Corporation | Method to eliminate arsenic contamination in trench capacitors |
US7833872B2 (en) * | 2007-10-31 | 2010-11-16 | International Business Machines Corporation | Uniform recess of a material in a trench independent of incoming topography |
CN102666107B (zh) * | 2009-10-30 | 2015-03-11 | 惠普发展公司,有限责任合伙企业 | 具有嵌入式电极的压电致动器 |
US9818741B2 (en) | 2015-06-30 | 2017-11-14 | International Business Machines Corporation | Structure and method to prevent EPI short between trenches in FINFET eDRAM |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4310380A (en) * | 1980-04-07 | 1982-01-12 | Bell Telephone Laboratories, Incorporated | Plasma etching of silicon |
US4571819A (en) * | 1984-11-01 | 1986-02-25 | Ncr Corporation | Method for forming trench isolation structures |
US4801988A (en) * | 1986-10-31 | 1989-01-31 | International Business Machines Corporation | Semiconductor trench capacitor cell with merged isolation and node trench construction |
US5022961B1 (en) * | 1989-07-26 | 1997-05-27 | Dainippon Screen Mfg | Method for removing a film on a silicon layer surface |
US5422294A (en) * | 1993-05-03 | 1995-06-06 | Noble, Jr.; Wendell P. | Method of making a trench capacitor field shield with sidewall contact |
US5406111A (en) * | 1994-03-04 | 1995-04-11 | Motorola Inc. | Protection device for an intergrated circuit and method of formation |
US5741396A (en) * | 1994-04-29 | 1998-04-21 | Texas Instruments Incorporated | Isotropic nitride stripping |
US5545583A (en) * | 1995-04-13 | 1996-08-13 | International Business Machines Corporation | Method of making semiconductor trench capacitor cell having a buried strap |
US5618751A (en) * | 1996-05-23 | 1997-04-08 | International Business Machines Corporation | Method of making single-step trenches using resist fill and recess |
-
1998
- 1998-03-09 US US09/037,287 patent/US6699794B1/en not_active Expired - Fee Related
-
1999
- 1999-02-25 TW TW088102857A patent/TW440996B/zh not_active IP Right Cessation
- 1999-02-27 EP EP99103856A patent/EP0942465A3/en not_active Withdrawn
- 1999-03-09 JP JP11062156A patent/JPH11330398A/ja active Pending
- 1999-03-09 KR KR1019990007657A patent/KR100570114B1/ko not_active IP Right Cessation
- 1999-03-09 CN CN99103647A patent/CN1122308C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0942465A3 (en) | 2005-08-17 |
TW440996B (en) | 2001-06-16 |
KR100570114B1 (ko) | 2006-04-12 |
CN1122308C (zh) | 2003-09-24 |
JPH11330398A (ja) | 1999-11-30 |
KR19990077698A (ko) | 1999-10-25 |
US6699794B1 (en) | 2004-03-02 |
EP0942465A2 (en) | 1999-09-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: INFINEON TECHNOLOGIES AG Free format text: FORMER OWNER: SIEMENS AKTIENGESELLSCHAFT Effective date: 20130218 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130218 Address after: German Neubiberg Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: Siemens AG Effective date of registration: 20130218 Address after: Munich, Germany Patentee after: QIMONDA AG Address before: German Neubiberg Patentee before: Infineon Technologies AG |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20160111 Address after: German Berg, Laura Ibiza Patentee after: Infineon Technologies AG Address before: Munich, Germany Patentee before: QIMONDA AG |
|
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20030924 Termination date: 20160309 |
|
CF01 | Termination of patent right due to non-payment of annual fee |