JP2008541427A - 集積回路及びその製造方法 - Google Patents
集積回路及びその製造方法 Download PDFInfo
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- JP2008541427A JP2008541427A JP2008510020A JP2008510020A JP2008541427A JP 2008541427 A JP2008541427 A JP 2008541427A JP 2008510020 A JP2008510020 A JP 2008510020A JP 2008510020 A JP2008510020 A JP 2008510020A JP 2008541427 A JP2008541427 A JP 2008541427A
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 230000005684 electric field Effects 0.000 claims abstract description 59
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims abstract description 54
- 229920005591 polysilicon Polymers 0.000 claims abstract description 54
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 claims description 72
- 239000011810 insulating material Substances 0.000 claims description 48
- 239000004065 semiconductor Substances 0.000 claims description 33
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 27
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 27
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 19
- 239000000377 silicon dioxide Substances 0.000 claims description 12
- 235000012239 silicon dioxide Nutrition 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 7
- 239000010703 silicon Substances 0.000 claims description 7
- UMVBXBACMIOFDO-UHFFFAOYSA-N [N].[Si] Chemical compound [N].[Si] UMVBXBACMIOFDO-UHFFFAOYSA-N 0.000 claims 2
- 229910021417 amorphous silicon Inorganic materials 0.000 claims 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims 2
- 229920006254 polymer film Polymers 0.000 claims 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims 2
- 229910010271 silicon carbide Inorganic materials 0.000 claims 2
- 239000010410 layer Substances 0.000 description 265
- 150000004767 nitrides Chemical class 0.000 description 72
- 230000004888 barrier function Effects 0.000 description 56
- 229910052751 metal Inorganic materials 0.000 description 42
- 239000002184 metal Substances 0.000 description 42
- 229910021332 silicide Inorganic materials 0.000 description 40
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 39
- 125000006850 spacer group Chemical group 0.000 description 28
- 238000005530 etching Methods 0.000 description 24
- 230000005669 field effect Effects 0.000 description 12
- 229920002120 photoresistant polymer Polymers 0.000 description 12
- 239000000463 material Substances 0.000 description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 9
- 229910052802 copper Inorganic materials 0.000 description 9
- 239000010949 copper Substances 0.000 description 9
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical group [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 9
- 239000012535 impurity Substances 0.000 description 8
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000000059 patterning Methods 0.000 description 3
- 239000002019 doping agent Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000001020 plasma etching Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- H01L21/0217—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 nitride not containing oxygen, e.g. SixNy or SixByNz
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Abstract
Description
Claims (10)
- 集積回路(10、250)の製造方法であって、
少なくとも1つの半導体デバイス(32、34、116、118)を有する少なくとも1つのアクティブエリア(12、14、16)と少なくとも1つの電界領域(18)とを有する半導体基板(24)を供給するステップと、
前記少なくとも1つのアクティブエリア(12、14、16)と前記少なくとも1つの電界領域(18)との上に第1絶縁構造(168)を形成するステップと、
前記第1絶縁構造(168)の一部の上に第2絶縁構造(170)を形成するステップと、
前記少なくとも1つのアクティブエリア(12、14、16)上の前記第2絶縁構造(170)の一部を除去するステップと、
前記少なくとも1つの半導体デバイス(32、34、116、118)から前記少なくとも1つのアクティブエリア(12、14、16)と前記少なくとも1つの電界領域(18)との上に広がる少なくとも1つの相互接続(175、177)を形成するステップと、を含む、集積回路の製造方法。 - 前記第1絶縁構造(168)を形成するステップは、窒化シリコンの層として前記第1絶縁構造(168)を形成するステップを含み、前記第2絶縁構造(170)を形成するステップは、窒化シリコンの層として前記第2絶縁構造を形成するステップを含む、請求項1記載の方法。
- 前記第1絶縁構造(168)を形成するステップは、圧縮応力を受けた窒化シリコンの層として前記第1絶縁構造(168)を形成するステップを含み、前記第2絶縁構造(170)を形成するステップは、引張応力を受けた窒化シリコンの層として前記第2絶縁構造(170)を形成するステップを含む、請求項1記載の方法。
- 前記第1絶縁構造(168)を形成するステップは、引張応力を受けた窒化シリコンの層として前記第1絶縁構造(168)を形成するステップを含み、前記第2絶縁構造(170)を形成するステップは、圧縮応力を受けた窒化シリコンの層として前記第2絶縁構造(170)を形成するステップを含む、請求項1記載の方法。
- 前記第1絶縁構造(168)を形成するステップは、プラズマエンハンスト化学気相堆積(PECVD)した窒化シリコンの層として前記第1絶縁構造(168)を形成するステップを含み、前記第2絶縁構造(170)を形成するステップは、PECVD窒化シリコンの層として前記第2絶縁構造(170)を形成するステップを含む、請求項4記載の方法。
- 集積回路(10、250)の製造方法であって、
第1アクティブエリア(12)と第2アクティブエリア(14)とが電界領域(18)によって相互に電気的に絶縁された半導体基板(24)を供給するステップと、
前記第1アクティブエリア(12)から第1半導体デバイス(32)を形成し、前記第2アクティブエリア(14)から第2半導体デバイス(116)を形成するステップと、
前記第1アクティブエリア(12)および前記電界領域(18)上に第1の絶縁材料層(168)を形成するステップと、
前記第2アクティブエリア(14)、前記第1の絶縁材料層(168)の一部、および前記電界領域(18)上に第2の絶縁材料層(170)を形成するステップと、を含み、前記第1の絶縁材料層(168)は実質的に前記第2アクティブエリア(14)上には存在せず、前記第2の絶縁材料層(170)は実質的に前記第1アクティブエリア(12)上には存在しない、集積回路の製造方法。 - 前記第1アクティブエリア(12)から前記第1半導体デバイス(32)を形成し、前記第2アクティブエリア(16)から前記第2半導体デバイス8116)を形成するステップは、
前記第1アクティブエリア(12)および前記電界領域(18)上に第1のポリシリコンの層(20)を形成するステップと、
前記第2アクティブエリア(16)および前記電界領域(18)上に第2のポリシリコンの層(22)を形成するステップと、を含み、前記第1および第2のポリシリコン層(20)、(22)は相互に離間されており、
前記第1の絶縁材料層(168)は、窒化シリコン、圧縮応力を受けた窒化シリコン、引張応力を受けた窒化シリコン、二酸化シリコン、フッ素化シリカ、窒酸化シリコン、炭化シリコン、オキシカーバイドシリコン、炭化窒素シリコン、アモルファスシリコン、メチルシルセスキオキサンおよび高分子フィルムからなる群から選択され、
前記第2の絶縁材料層(170)は、窒化シリコン、圧縮応力を受けた窒化シリコン、引張応力を受けた窒化シリコン、二酸化シリコン、フッ素化シリカ、窒酸化シリコン、炭化シリコン、オキシカーバイドシリコン、炭化窒素シリコン、アモルファスシリコン、メチルシルセスキオキサンおよび高分子フィルムからなる群から選択される、請求項6記載の方法。 - アクティブエリア(12、14、16)および電界領域(18)を有する半導体基板(24)と、
前記アクティブエリア(12、14、16)から形成された半導体デバイス(32、34、116、118)と、
前記アクティブエリア(12、14、16)の一部および前記電界領域(18)上に配置されたポリシリコンのストリップ(20、22)と、
前記アクティブエリア(12、14、16)および前記電界領域(18)上に配置された第1の絶縁材料層(168)と、
前記電界領域(18)上に配置された前記第1の絶縁材料層(168)の一部上に配置された第2の絶縁材料層(170)と、
前記ポリシリコンのストリップ(20)上に配置され、前記ポリシリコンのストリップ(20)から誘電的に絶縁されている電気相互接続構造(175)と、を含む、集積回路。 - 前記第1および第2の絶縁材料層(168)(170)は窒化シリコンであり、前記第1の絶縁材料層(168)は圧縮応力を受けた窒化シリコンであり、前記第2の絶縁材料層(170)は引張応力を受けた窒化シリコンである、請求項8記載の集積回路。
- 前記第1および第2の絶縁材料層(168)(170)は引張応力を受けた窒化シリコンであり、前記第2の絶縁材料層(170)は圧縮応力を受けた窒化シリコンである、請求項8記載の集積回路。
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JP2007059473A (ja) * | 2005-08-22 | 2007-03-08 | Matsushita Electric Ind Co Ltd | 半導体装置およびその製造方法 |
WO2014178177A1 (ja) * | 2013-04-30 | 2014-11-06 | ウシオ電機株式会社 | 極端紫外光光源装置 |
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US20200135489A1 (en) * | 2018-10-31 | 2020-04-30 | Atomera Incorporated | Method for making a semiconductor device including a superlattice having nitrogen diffused therein |
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JPS61264752A (ja) * | 1985-05-20 | 1986-11-22 | Hitachi Ltd | 電界効果型半導体装置 |
JPH09213789A (ja) * | 1996-01-30 | 1997-08-15 | Nec Corp | 半導体装置 |
US6287951B1 (en) * | 1998-12-07 | 2001-09-11 | Motorola Inc. | Process for forming a combination hardmask and antireflective layer |
WO2002043151A1 (en) * | 2000-11-22 | 2002-05-30 | Hitachi, Ltd | Semiconductor device and method for fabricating the same |
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WO2014178177A1 (ja) * | 2013-04-30 | 2014-11-06 | ウシオ電機株式会社 | 極端紫外光光源装置 |
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WO2006118789A3 (en) | 2007-11-08 |
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JP5096319B2 (ja) | 2012-12-12 |
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