JP2007528617A - シリコン・ゲルマニウム層中に高濃度のゲルマニウムを有するバイポーラ接合トランジスタおよびその形成方法 - Google Patents
シリコン・ゲルマニウム層中に高濃度のゲルマニウムを有するバイポーラ接合トランジスタおよびその形成方法 Download PDFInfo
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- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 title claims abstract description 123
- 229910052732 germanium Inorganic materials 0.000 title claims abstract description 121
- 229910000577 Silicon-germanium Inorganic materials 0.000 title claims abstract description 74
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000003647 oxidation Effects 0.000 claims abstract description 21
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 49
- 235000012239 silicon dioxide Nutrition 0.000 claims description 24
- 239000000377 silicon dioxide Substances 0.000 claims description 24
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 239000004065 semiconductor Substances 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 6
- 238000000151 deposition Methods 0.000 claims description 3
- 230000001590 oxidative effect Effects 0.000 claims description 3
- 230000007423 decrease Effects 0.000 claims description 2
- 238000000137 annealing Methods 0.000 claims 2
- 238000006243 chemical reaction Methods 0.000 claims 1
- 239000002019 doping agent Substances 0.000 description 27
- 230000015572 biosynthetic process Effects 0.000 description 16
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 9
- 238000005468 ion implantation Methods 0.000 description 8
- 125000006850 spacer group Chemical group 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- 238000002955 isolation Methods 0.000 description 7
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 6
- 229920005591 polysilicon Polymers 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
- 239000000969 carrier Substances 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium dioxide Chemical compound O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 4
- 229920002120 photoresistant polymer Polymers 0.000 description 4
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229940119177 germanium dioxide Drugs 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- -1 boron ion Chemical class 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
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- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/73—Bipolar junction transistors
- H01L29/737—Hetero-junction transistors
- H01L29/7371—Vertical transistors
- H01L29/7378—Vertical transistors comprising lattice mismatched active layers, e.g. SiGe strained layer transistors
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- 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
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/73—Bipolar junction transistors
-
- 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
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/06—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions
- H01L29/10—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their shape; characterised by the shapes, relative sizes, or dispositions of the semiconductor regions ; characterised by the concentration or distribution of impurities within semiconductor regions with semiconductor regions connected to an electrode not carrying current to be rectified, amplified or switched and such electrode being part of a semiconductor device which comprises three or more electrodes
- H01L29/1004—Base region of bipolar transistors
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- 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
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66234—Bipolar junction transistors [BJT]
- H01L29/66242—Heterojunction transistors [HBT]
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Abstract
Description
Claims (33)
- 半導体デバイスを製造する方法であって、コレクタ上にシリコン・ゲルマニウム・ベースをエピタキシャル成長すること、
前記ベースの上部領域内にゲルマニウム濃縮領域を形成するために、前記ベースの上面に優先的に二酸化ケイ素を成長するように前記ベースを熱酸化すること、
前記二酸化ケイ素を除去すること、および
前記ベースの上に位置するエミッタを堆積することを含む方法。 - 前記ゲルマニウム濃縮領域が、低レベルの格子欠陥を有する、請求項1に記載の方法。
- 前記熱酸化工程に先立って、前記シリコン・ゲルマニウム・ベースが、段階的にドープされたシリコン・ゲルマニウム・ベースまたは階段状にドープされたシリコン・ゲルマニウム・ベースを備える、請求項1に記載の方法。
- 前記熱酸化工程に先立って、前記シリコン・ゲルマニウム・ベースが、一様にドープされたシリコン・ゲルマニウム・ベースを備える、請求項1に記載の方法。
- 前記ゲルマニウム濃縮領域内のゲルマニウム濃度が、前記ゲルマニウム濃縮領域内のシリコン濃度に対して、約30%から約75%の範囲にある、請求項1に記載の方法。
- 前記ベースの前記熱酸化工程が、約700℃から約900℃の温度範囲内に前記ベースの熱酸化を含む、請求項1に記載の方法。
- 前記ゲルマニウム濃縮領域が、前記エミッタと接触する、請求項1に記載の方法。
- 前記ゲルマニウム濃縮領域内のゲルマニウム濃度が、前記ベースの前記上部領域内での濃度から前記コレクタに向かう方向に急激に減少させる、請求項1に記載の方法。
- さらに、前記ベースの前記熱酸化工程が、前記二酸化ケイ素に隣接して前記ゲルマニウム濃縮領域を形成するために前記ベースの上面に優先的に二酸化ケイ素を成長させる前記ベースの熱酸化を含む、請求項1に記載の方法。
- さらに、前記ゲルマニウム濃縮領域のゲルマニウム原子を再分配する前記半導体デバイスのアニールを含む、請求項1に記載の方法。
- 前記アニール工程が、前記ゲルマニウム濃縮領域に隣接する前記ベースの領域内のゲルマニウム濃度を高める、請求項10に記載の方法。
- 前記シリコン・ゲルマニウム・ベースが、ベース内にシリコン・ゲルマニウム層を備える、請求項1に記載の方法。
- 半導体デバイスを製造する方法であって、コレクタ領域を覆う、第1上面を有するシリコン・ゲルマニウム・ベース領域を形成すること、
前記第1上面内に熱成長酸化物を形成するために前記上面に沿って前記ベース領域を反応すること、
前記ベース領域の第2上面を露出するために前記熱成長酸化物を除去すること、および
前記ベースを覆うエミッタ領域を形成することを含む方法。 - さらに、前記ベース領域の前記反応工程が、ゲルマニウム濃度が前記第2上面近傍でより多くなるように、前記ゲルマニウム濃度を変更することを含む、請求項13に記載の方法。
- 前記第2表面近傍の前記ゲルマニウム濃度が、前記第2表面近傍のシリコン濃度に比べて約30%から約75%の間にある、請求項14に記載の方法。
- さらに、前記ベース領域の前記反応工程が、約700℃から約900℃の温度範囲内に前記ベース領域を反応することを含む、請求項13に記載の方法。
- シリコン・コレクタ上にベースを形成することであって、前記ベースが、その上面に隣接してシリコン・ゲルマニウム層を有するベースの形成と、
前記上面に隣接してゲルマニウム濃縮部分を形成するために前記シリコン・ゲルマニウム層を熱酸化することであって、前記ゲルマニウム濃縮部分が、前記ベースの残余よりかなり多いゲルマニウム濃度を有する熱酸化と、
前記ゲルマニウム濃縮部分上にエミッタを形成することとを含む、半導体デバイスを製造する方法。 - 前記ゲルマニウム濃縮部分が、約30%より多いゲルマニウム濃度を有する、請求項17に記載の方法。
- コレクタと、
シリコン・ゲルマニウム層を有する、前記コレクタの上に配置されるベースと、
前記ベースの上面に隣接する、前記シリコン・ゲルマニウム層内のゲルマニウム濃縮領域と、
前記ゲルマニウム濃縮領域の上に位置するエミッタとを備えるヘテロ接合バイポーラ・トランジスタ。 - 前記ゲルマニウム濃縮領域が、前記エミッタと前記ベースの間にバンド・ギャップ差を作り出す、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- キャリア移動度が、前記ベース内より前記ゲルマニウム濃縮領域内で大きい、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ゲルマニウム濃縮領域が、歪みゲルマニウム濃縮領域を備える、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ゲルマニウム濃縮領域内のゲルマニウム濃度が、約30%から約75%の範囲内にある、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- ゲルマニウム濃度が、前記シリコン・ゲルマニウム層内より前記ゲルマニウム濃縮領域内で多い、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 約0.21eVより大きい価電子帯オフセットを有する、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ゲルマニウム濃縮領域が、比較的低いレベルの格子欠陥を有する、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ベースが、段階的にドープされたシリコン・ゲルマニウム・ベースまたは階段状にドープされたシリコン・ゲルマニウム・ベースを備える、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ベースが、一様にドープされたシリコン・ゲルマニウム・ベースを備える、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ゲルマニウム濃縮領域が、前記エミッタと接触している、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- 前記ゲルマニウム濃縮領域内のゲルマニウム濃度が、前記上面に隣接する濃度から急激にコレクタに向かう方向に減少する、請求項19に記載のヘテロ接合バイポーラ・トランジスタ。
- シリコン基板と、
前記基板内に配置されるコレクタと、
前記コレクタの上に位置して配置されるベースであって、シリコン・ゲルマニウム部分を有するベースと、
前記シリコン・ゲルマニウム部分内に形成されるゲルマニウム濃縮領域であって、前記ゲルマニウム濃縮領域内のゲルマニウム濃度が、前記シリコン・ゲルマニウム部分内の前記ゲルマニウム濃度よりかなり多いゲルマニウム濃縮領域と、
前記ゲルマニウム濃縮領域の上に位置して配置されるエミッタとを備えるバイポーラ接合半導体。 - 前記ゲルマニウム濃縮領域が、熱的に酸化され濃縮された領域を含む、請求項31に記載のバイポーラ接合半導体。
- 前記ゲルマニウム濃縮領域が、少なくとも30%のゲルマニウム濃度を含む、請求項31に記載のバイポーラ接合半導体。
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US55230804P | 2004-03-10 | 2004-03-10 | |
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PCT/US2005/008212 WO2005088721A1 (en) | 2004-03-10 | 2005-03-10 | A bipolar junction transistor having a high germanium concentration in a silicon-germanium layer and a method for forming the bipolar junction transistor |
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DE10324065A1 (de) * | 2003-05-27 | 2004-12-30 | Texas Instruments Deutschland Gmbh | Verfahren zur Herstellung eines integrierten Silizium-Germanium-Heterobipolartranistors und ein integrierter Silizium-Germanium Heterobipolartransitor |
US8227319B2 (en) | 2004-03-10 | 2012-07-24 | Agere Systems Inc. | Bipolar junction transistor having a high germanium concentration in a silicon-germanium layer and a method for forming the bipolar junction transistor |
KR101173526B1 (ko) | 2004-03-10 | 2012-08-14 | 에이저 시스템즈 인크 | 실리콘-게르마늄층에서 고 게르마늄 농도를 갖는 바이폴라접합 트랜지스터 및 바이폴라 접합 트랜지스터를 형성하는방법 |
US7750371B2 (en) * | 2007-04-30 | 2010-07-06 | International Business Machines Corporation | Silicon germanium heterojunction bipolar transistor structure and method |
US7900167B2 (en) * | 2007-10-24 | 2011-03-01 | International Business Machines Corporation | Silicon germanium heterojunction bipolar transistor structure and method |
US7598539B2 (en) * | 2007-06-01 | 2009-10-06 | Infineon Technologies Ag | Heterojunction bipolar transistor and method for making same |
EP2281302B1 (en) | 2008-05-21 | 2012-12-26 | Nxp B.V. | A method of manufacturing a bipolar transistor semiconductor device |
US8574981B2 (en) * | 2011-05-05 | 2013-11-05 | Globalfoundries Inc. | Method of increasing the germanium concentration in a silicon-germanium layer and semiconductor device comprising same |
KR102259328B1 (ko) | 2014-10-10 | 2021-06-02 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
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KR101173526B1 (ko) | 2004-03-10 | 2012-08-14 | 에이저 시스템즈 인크 | 실리콘-게르마늄층에서 고 게르마늄 농도를 갖는 바이폴라접합 트랜지스터 및 바이폴라 접합 트랜지스터를 형성하는방법 |
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2005
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- 2005-03-10 JP JP2007503058A patent/JP5393027B2/ja active Active
- 2005-03-10 EP EP13155042.8A patent/EP2600403A1/en not_active Withdrawn
- 2005-03-10 WO PCT/US2005/008212 patent/WO2005088721A1/en not_active Application Discontinuation
- 2005-03-10 US US10/598,213 patent/US7714361B2/en active Active
- 2005-03-10 KR KR1020127015010A patent/KR101216580B1/ko active IP Right Grant
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JPH02142138A (ja) * | 1988-11-22 | 1990-05-31 | Nec Corp | 半導体装置及びその製造方法 |
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Also Published As
Publication number | Publication date |
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EP1733430A1 (en) | 2006-12-20 |
KR20070015921A (ko) | 2007-02-06 |
JP5710714B2 (ja) | 2015-04-30 |
KR101173526B1 (ko) | 2012-08-14 |
JP5393027B2 (ja) | 2014-01-22 |
KR101216580B1 (ko) | 2012-12-31 |
KR20120068996A (ko) | 2012-06-27 |
US7714361B2 (en) | 2010-05-11 |
EP2600403A1 (en) | 2013-06-05 |
JP2014013921A (ja) | 2014-01-23 |
WO2005088721A1 (en) | 2005-09-22 |
US20080191245A1 (en) | 2008-08-14 |
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