JP2007208069A - 半導体装置及びその製造方法 - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 66
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 30
- 230000001681 protective effect Effects 0.000 claims abstract description 67
- 239000011229 interlayer Substances 0.000 claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 30
- 238000000151 deposition Methods 0.000 claims abstract description 16
- 238000005530 etching Methods 0.000 claims abstract description 7
- 230000008021 deposition Effects 0.000 claims description 12
- 239000000758 substrate Substances 0.000 description 22
- 239000007789 gas Substances 0.000 description 16
- 238000005229 chemical vapour deposition Methods 0.000 description 10
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 7
- 229910052721 tungsten Inorganic materials 0.000 description 7
- 239000010937 tungsten Substances 0.000 description 7
- 230000000052 comparative effect Effects 0.000 description 6
- 239000005380 borophosphosilicate glass Substances 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 230000008054 signal transmission Effects 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 238000005268 plasma chemical vapour deposition Methods 0.000 description 2
- NIPNSKYNPDTRPC-UHFFFAOYSA-N N-[2-oxo-2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethyl]-2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidine-5-carboxamide Chemical compound O=C(CNC(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F)N1CC2=C(CC1)NN=N2 NIPNSKYNPDTRPC-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
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- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02167—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon carbide not containing oxygen, e.g. SiC, SiC:H or silicon carbonitrides
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
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- 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
- H01L21/314—Inorganic layers
- H01L21/3148—Silicon Carbide layers
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- 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
- H01L21/314—Inorganic layers
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- 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
- H01L21/76801—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 dielectrics, e.g. smoothing
- H01L21/76829—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 dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
- H01L21/76831—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 dielectrics, e.g. smoothing characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers in via holes or trenches, e.g. non-conductive sidewall liners
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- 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
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- H01L21/02107—Forming insulating materials on a substrate
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- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
- H01L21/02129—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being boron or phosphorus doped silicon oxides, e.g. BPSG, BSG or PSG
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- Chemical Kinetics & Catalysis (AREA)
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Formation Of Insulating Films (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
【解決手段】半導体装置の製造方法は、ソース・ドレイン領域が表面に露出するゲート酸化膜12を形成する工程と、ゲート酸化膜12上に、ゲート電極13及びゲート電極13を保護するSiCN保護膜(16)を形成する工程と、SiCN保護膜(16)を覆う層間絶縁膜17を堆積する工程と、SiCN保護膜(16)と自己整合的に層間絶縁膜17をエッチングして、ソース・ドレイン領域を露出させるコンタクトホール18を形成する工程と、コンタクトホール18内にソース・ドレイン領域と接続するコンタクトプラグ20を形成する工程とを有する。
【選択図】図1
Description
前記配線保護膜がSiCN膜であることを特徴とする。
前記下地絶縁膜上に、第2の配線及び該第2の配線を保護するSiCN保護膜を形成する工程と、
前記SiCN保護膜を覆う層間絶縁膜を堆積する工程と、
前記SiCN保護膜と自己整合的に前記層間絶縁膜をエッチングして、前記第1の配線を露出させるスルーホールを形成する工程と、
前記スルーホール内に前記第1の配線と接続する配線プラグを形成する工程とを有することを特徴とする。
11:半導体基板(ウエハ)
12:ゲート酸化膜
13:ゲート電極
13a:タングステン膜
14:ハードマスク
14a:SiCN膜
15:サイドウォール
16:配線保護膜
17:層間絶縁膜
18:コンタクトホール
19:側壁保護膜
19a:SiN膜
20:コンタクトプラグ
21,22:レジストマスク
30:CVD装置
31:ステージ
32:プレート
33:高周波電源
34:チャンバ
35:ガス排出口
36:スロットルバルブ
37:ドライポンプ
40:半導体装置
41:層間絶縁膜
42:コンタクトホール
43:側壁保護膜
44:コンタクトプラグ
45:配線
46:ハードマスク
47:サイドウォール
48:配線保護膜
49:層間絶縁膜
50:スルーホール
51:側壁保護膜
52:ビアプラグ
Claims (6)
- 第1の配線が表面に露出する下地絶縁膜と、該下地絶縁膜上に形成された第2の配線と、該第2の配線を保護する配線保護膜と、該配線保護膜を覆って前記下地絶縁膜上に形成された層間絶縁膜と、該層間絶縁膜内に、前記配線保護膜と自己整合的に形成され前記第1の配線に接続する配線プラグとを備える半導体装置において、
前記配線保護膜がSiCN膜であることを特徴とする半導体装置。 - 前記SiCN膜の比誘電率が5.9以下である、請求項1に記載の半導体装置。
- 第1の配線が表面に露出する下地絶縁膜を形成する工程と、
前記下地絶縁膜上に、第2の配線及び該第2の配線を保護するSiCN保護膜を形成する工程と、
前記SiCN保護膜を覆う層間絶縁膜を堆積する工程と、
前記SiCN保護膜と自己整合的に前記層間絶縁膜をエッチングして、前記第1の配線を露出させるスルーホールを形成する工程と、
前記スルーホール内に前記第1の配線と接続する配線プラグを形成する工程とを有することを特徴とする半導体装置の製造方法。 - 前記SiCN保護膜の堆積温度を、500℃以上で550℃以下に設定する、請求項3に記載の半導体装置の製造方法。
- 前記SiCN保護膜の比誘電率が5.9以下である、請求項3又は4に記載の半導体装置の製造方法。
- 前記スルーホールの形成工程と前記配線プラグの形成工程との間に、前記スルーホールの側壁を保護する側壁絶縁膜を形成する工程を更に有する、請求項3〜5の何れか一に記載の半導体装置の製造方法。
Priority Applications (2)
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JP2006026095A JP2007208069A (ja) | 2006-02-02 | 2006-02-02 | 半導体装置及びその製造方法 |
US11/700,767 US20070197034A1 (en) | 2006-02-02 | 2007-02-01 | Semiconductor device having a sac through-hole |
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JP2006026095A JP2007208069A (ja) | 2006-02-02 | 2006-02-02 | 半導体装置及びその製造方法 |
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JP (1) | JP2007208069A (ja) |
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KR102251363B1 (ko) | 2014-08-08 | 2021-05-14 | 삼성전자주식회사 | 반도체 소자 |
JP6806721B2 (ja) * | 2018-02-20 | 2021-01-06 | 株式会社Kokusai Electric | 半導体装置の製造方法、基板処理システムおよびプログラム |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2002016134A (ja) * | 2000-06-28 | 2002-01-18 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2002246463A (ja) * | 2001-02-13 | 2002-08-30 | Sony Corp | 半導体装置の製造方法及び半導体装置 |
JP2002270606A (ja) * | 2001-03-07 | 2002-09-20 | Sony Corp | 半導体装置の製造方法および半導体装置 |
JP2003068879A (ja) * | 2001-08-27 | 2003-03-07 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2004146798A (ja) * | 2002-09-30 | 2004-05-20 | Sanyo Electric Co Ltd | 半導体装置およびその製造方法 |
JP2004221275A (ja) * | 2003-01-14 | 2004-08-05 | Nec Electronics Corp | 有機絶縁膜及びその製造方法及び有機絶縁膜を用いた半導体装置及びその製造方法。 |
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JPH0817943A (ja) * | 1994-06-30 | 1996-01-19 | Texas Instr Japan Ltd | 半導体装置の製造方法 |
TW463288B (en) * | 1997-05-20 | 2001-11-11 | Nanya Technology Corp | Manufacturing method for cup-like capacitor |
US6462371B1 (en) * | 1998-11-24 | 2002-10-08 | Micron Technology Inc. | Films doped with carbon for use in integrated circuit technology |
JP4658486B2 (ja) * | 2003-06-30 | 2011-03-23 | ルネサスエレクトロニクス株式会社 | 半導体装置とその製造方法 |
US20050233555A1 (en) * | 2004-04-19 | 2005-10-20 | Nagarajan Rajagopalan | Adhesion improvement for low k dielectrics to conductive materials |
US20050250346A1 (en) * | 2004-05-06 | 2005-11-10 | Applied Materials, Inc. | Process and apparatus for post deposition treatment of low k dielectric materials |
US7253123B2 (en) * | 2005-01-10 | 2007-08-07 | Applied Materials, Inc. | Method for producing gate stack sidewall spacers |
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002016134A (ja) * | 2000-06-28 | 2002-01-18 | Mitsubishi Electric Corp | 半導体装置の製造方法 |
JP2002246463A (ja) * | 2001-02-13 | 2002-08-30 | Sony Corp | 半導体装置の製造方法及び半導体装置 |
JP2002270606A (ja) * | 2001-03-07 | 2002-09-20 | Sony Corp | 半導体装置の製造方法および半導体装置 |
JP2003068879A (ja) * | 2001-08-27 | 2003-03-07 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2004146798A (ja) * | 2002-09-30 | 2004-05-20 | Sanyo Electric Co Ltd | 半導体装置およびその製造方法 |
JP2004221275A (ja) * | 2003-01-14 | 2004-08-05 | Nec Electronics Corp | 有機絶縁膜及びその製造方法及び有機絶縁膜を用いた半導体装置及びその製造方法。 |
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