JP4398829B2 - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
- Publication number
- JP4398829B2 JP4398829B2 JP2004272336A JP2004272336A JP4398829B2 JP 4398829 B2 JP4398829 B2 JP 4398829B2 JP 2004272336 A JP2004272336 A JP 2004272336A JP 2004272336 A JP2004272336 A JP 2004272336A JP 4398829 B2 JP4398829 B2 JP 4398829B2
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- Prior art keywords
- layer
- polysilicon layer
- silicide layer
- silicide
- polysilicon
- 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
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- 239000004065 semiconductor Substances 0.000 title claims description 70
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 118
- 229920005591 polysilicon Polymers 0.000 claims description 118
- 229910021332 silicide Inorganic materials 0.000 claims description 118
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 118
- 125000006850 spacer group Chemical group 0.000 claims description 48
- 238000002955 isolation Methods 0.000 claims description 42
- 239000000758 substrate Substances 0.000 claims description 40
- 239000010410 layer Substances 0.000 description 281
- 238000000034 method Methods 0.000 description 66
- 238000004519 manufacturing process Methods 0.000 description 33
- 229920002120 photoresistant polymer Polymers 0.000 description 32
- 238000010586 diagram Methods 0.000 description 18
- 238000001020 plasma etching Methods 0.000 description 14
- 238000005530 etching Methods 0.000 description 12
- 238000006243 chemical reaction Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 8
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 239000003870 refractory metal Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- 229910004298 SiO 2 Inorganic materials 0.000 description 5
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 230000005669 field effect Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 229910052785 arsenic Inorganic materials 0.000 description 2
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 238000001039 wet etching Methods 0.000 description 2
- 229910005883 NiSi Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
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- 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
- H01L21/76838—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 conductors
-
- 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
- H01L21/76838—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 conductors
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
- H01L21/76889—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances by forming silicides of refractory metals
-
- 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
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/488—Word lines
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/532—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53271—Conductive materials containing semiconductor material, e.g. polysilicon
-
- 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
- H01L27/0203—Particular design considerations for integrated circuits
- H01L27/0207—Geometrical layout of the components, e.g. computer aided design; custom LSI, semi-custom LSI, standard cell technique
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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
- H10B12/09—Manufacture or treatment with simultaneous manufacture of the peripheral circuit region and memory cells
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Semiconductor Memories (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Description
まず、この発明の第1の実施形態に係る半導体装置およびその製造方法について、図1乃至図7を用いて説明する。この実施形態では、ポリサイド配線構造を適用したトレンチ型のDRAMを例に挙げて説明する。
次に、この発明の第2の実施形態に係る半導体装置について、図8を用いて説明する。以下の説明において、上記第1の実施形態と重複する部分の説明は省略する。
次に、この発明の第3の実施形態に係る半導体装置について、図15および図16を用いて説明する。以下の説明において、上記第1、第2の実施形態と重複する部分の説明は省略する。この第3の実施形態では、ポリサイド配線構造を適用したロジック(Logic )回路を例に挙げて説明する。
Claims (3)
- 素子分離領域と、この素子分離領域に囲まれた素子領域とを有する半導体基板と、
前記素子領域の前記半導体基板上に形成された第1ポリシリコン層と、
前記素子分離領域の前記半導体基板表面に形成された素子分離絶縁膜と、
この素子分離絶縁膜上に形成された第2ポリシリコン層と、
前記第1ポリシリコン層上に形成された第1シリサイド層と、
この第1シリサイド層の膜厚より厚く、前記第2ポリシリコン層上に形成された第2シリサイド層とを備え、
前記第1ポリシリコン層および前記第1シリサイド層の幅は、前記第2ポリシリコン層および第2シリサイド層の幅のよりも大きく、
前記第1ポリシリコン層および前記第1シリサイド層と前記第2ポリシリコン層および前記第2シリサイド層は、平面レイアウト的には電気的に接続されており単一の配線を構成すること
を特徴とする半導体装置。 - 前記第1ポリシリコン層および前記第1シリサイド層はトレンチ型DRAMのワード線であり、
前記第2ポリシリコン層および前記第2シリサイド層は、前記トレンチ型DRAMのパスワード線であること
を特徴とする請求項1に記載の半導体装置。 - 前記第1ポリシリコン層の側壁に形成された第1スペーサと、
前記第2ポリシリコン層の側壁に形成された第2スペーサとを更に備え、
前記第2スペーサの高さは、前記第1スペーサの高さよりも低いこと
を特徴とする請求項1または2に記載の半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004272336A JP4398829B2 (ja) | 2004-09-17 | 2004-09-17 | 半導体装置 |
US11/226,465 US20060076603A1 (en) | 2004-09-17 | 2005-09-15 | Semiconductor device having polycide wiring layer, and manufacturing method of the same |
US11/976,515 US8043912B2 (en) | 2004-09-17 | 2007-10-25 | Manufacturing method of a semiconductor device having polycide wiring layer |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004272336A JP4398829B2 (ja) | 2004-09-17 | 2004-09-17 | 半導体装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006086475A JP2006086475A (ja) | 2006-03-30 |
JP4398829B2 true JP4398829B2 (ja) | 2010-01-13 |
Family
ID=36144400
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004272336A Expired - Fee Related JP4398829B2 (ja) | 2004-09-17 | 2004-09-17 | 半導体装置 |
Country Status (2)
Country | Link |
---|---|
US (2) | US20060076603A1 (ja) |
JP (1) | JP4398829B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4398829B2 (ja) * | 2004-09-17 | 2010-01-13 | 株式会社東芝 | 半導体装置 |
US8361875B2 (en) * | 2009-03-12 | 2013-01-29 | International Business Machines Corporation | Deep trench capacitor on backside of a semiconductor substrate |
JP2014022388A (ja) * | 2012-07-12 | 2014-02-03 | Ps4 Luxco S A R L | 半導体装置及びその製造方法 |
KR102044468B1 (ko) * | 2013-05-13 | 2019-11-15 | 에스케이하이닉스 주식회사 | 반도체 소자 및 그 형성 방법 |
KR20150042612A (ko) * | 2013-10-11 | 2015-04-21 | 삼성전자주식회사 | 디커플링 캐패시터를 갖는 반도체 소자 및 그 형성 방법 |
CN110970436A (zh) * | 2018-09-30 | 2020-04-07 | 长鑫存储技术有限公司 | 一种半导体结构及其制作方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW278240B (ja) * | 1994-08-31 | 1996-06-11 | Nippon Steel Corp | |
JPH08250677A (ja) * | 1994-12-28 | 1996-09-27 | Nippon Steel Corp | 半導体記憶装置及びその製造方法 |
JPH08241988A (ja) | 1995-03-03 | 1996-09-17 | Hitachi Ltd | 半導体集積回路装置およびその製造方法 |
US6121651A (en) * | 1998-07-30 | 2000-09-19 | International Business Machines Corporation | Dram cell with three-sided-gate transfer device |
US6040606A (en) * | 1998-11-04 | 2000-03-21 | National Semiconductor Corporation | Integrated circuit structure with dual thickness cobalt silicide layers and method for its manufacture |
US6630721B1 (en) * | 2000-05-16 | 2003-10-07 | Advanced Micro Devices, Inc. | Polysilicon sidewall with silicide formation to produce high performance MOSFETS |
JP2003100748A (ja) | 2001-09-20 | 2003-04-04 | Kawasaki Microelectronics Kk | ポリサイド配線およびその形成方法ならびに半導体装置の製造方法 |
DE10205077B4 (de) * | 2002-02-07 | 2007-03-08 | Infineon Technologies Ag | Halbleiterspeicherzelle mit einem Graben und einem planaren Auswahltransistor und Verfahren zu ihrer Herstellung |
KR100502410B1 (ko) * | 2002-07-08 | 2005-07-19 | 삼성전자주식회사 | 디램 셀들 |
KR100465876B1 (ko) * | 2002-07-25 | 2005-01-13 | 삼성전자주식회사 | 반도체 소자 실리사이드 배선 형성방법 |
JP2004274025A (ja) * | 2003-02-21 | 2004-09-30 | Renesas Technology Corp | 半導体装置及び半導体装置の製造方法 |
US6987061B2 (en) * | 2003-08-19 | 2006-01-17 | Texas Instruments Incorporated | Dual salicide process for optimum performance |
JP4398829B2 (ja) * | 2004-09-17 | 2010-01-13 | 株式会社東芝 | 半導体装置 |
JP2007080945A (ja) * | 2005-09-12 | 2007-03-29 | Toshiba Corp | 半導体装置及びその製造方法 |
-
2004
- 2004-09-17 JP JP2004272336A patent/JP4398829B2/ja not_active Expired - Fee Related
-
2005
- 2005-09-15 US US11/226,465 patent/US20060076603A1/en not_active Abandoned
-
2007
- 2007-10-25 US US11/976,515 patent/US8043912B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006086475A (ja) | 2006-03-30 |
US8043912B2 (en) | 2011-10-25 |
US20060076603A1 (en) | 2006-04-13 |
US20080057642A1 (en) | 2008-03-06 |
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