JP4979380B2 - 選択可能な自己整合性を備えた隆起型外因性ベースを有するバイポーラ・トランジスタ及びその形成方法 - Google Patents
選択可能な自己整合性を備えた隆起型外因性ベースを有するバイポーラ・トランジスタ及びその形成方法 Download PDFInfo
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- JP4979380B2 JP4979380B2 JP2006524633A JP2006524633A JP4979380B2 JP 4979380 B2 JP4979380 B2 JP 4979380B2 JP 2006524633 A JP2006524633 A JP 2006524633A JP 2006524633 A JP2006524633 A JP 2006524633A JP 4979380 B2 JP4979380 B2 JP 4979380B2
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- 238000000034 method Methods 0.000 title claims description 39
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 62
- 229920005591 polysilicon Polymers 0.000 claims description 62
- 125000006850 spacer group Chemical group 0.000 claims description 16
- 238000000151 deposition Methods 0.000 claims description 13
- 238000005530 etching Methods 0.000 claims description 13
- 229920002120 photoresistant polymer Polymers 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 13
- 230000003647 oxidation Effects 0.000 description 12
- 238000007254 oxidation reaction Methods 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 8
- 229910052710 silicon Inorganic materials 0.000 description 8
- 239000010703 silicon Substances 0.000 description 8
- 238000001459 lithography Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000001039 wet etching Methods 0.000 description 6
- 239000000758 substrate Substances 0.000 description 5
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 230000008021 deposition Effects 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 3
- 229910021419 crystalline silicon Inorganic materials 0.000 description 3
- 238000000407 epitaxy Methods 0.000 description 3
- -1 but alternatively Polymers 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 238000002513 implantation Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 2
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 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
- 239000007943 implant Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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
- H01L29/66007—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]
- H01L29/66272—Silicon vertical transistors
- H01L29/66287—Silicon vertical transistors with a single crystalline emitter, collector or base including extrinsic, link or graft base formed on the silicon substrate, e.g. by epitaxy, recrystallisation, after insulating device isolation
-
- 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
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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
- H01L21/02—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
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- H—ELECTRICITY
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- 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
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- 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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- 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
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- H—ELECTRICITY
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- 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
- H01L29/732—Vertical 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
- 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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- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Bipolar Transistors (AREA)
Description
本発明の実施形態は、類似の符号が類似の要素を示す添付図面を参照して、詳細に説明されることになる。
Claims (2)
- トランジスタを製造する方法であって、
真性ベース上に第1ポリシリコン層を堆積させるステップと、
前記第1ポリシリコン層上に第1誘電体層を堆積させるステップと、
前記第1誘電体層上に第1フォトレジストを堆積させて、次に前記第1フォトレジストの外部の前記第1誘電体層を除去するステップであって、前記除去後に残る第1誘電体層がランディング・パッドである、前記除去するステップと、
前記ランディング・パッド上に第2ポリシリコン層を堆積させるステップと、
前記第2ポリシリコン層上に第2誘電体層を堆積させるステップと、
前記ランディング・パッドよりも小さい開口部を形成するように、前記第2誘導体層上に第2フォトレジストを堆積させて、次に前記第2フォトレジストの外部の前記第2誘電体層を除去するステップであって、前記除去によって、前記第2フォトレジスト層下にある前記ランディング・パッドの一部が露出し、当該露出した以外のランディング・パッドが残って余った部分(以下、残余部分という)である、前記除去するステップと、
前記ランディング・パッドの前記露出部分を貫通するように更にエッチングして、前記第1ポリシリコン層の一部を露出させるステップと、
前記第1ポリシリコン層の前記一部に第1酸化物領域を形成するステップであって、前記第1酸化物領域は前記残余部分の一部の下に延びる、前記酸化物領域を形成するステップと、
前記開口部の側面にスペーサを形成するステップと、
前記酸化物領域を開口部の内部で除去するステップであって、当該除去により残された酸化物領域が酸化物区画を形成する、前記除去するステップと、
前記除去後に、前記開口部にエミッタ・ポリシリコンを堆積させるステップと
を含む、前記方法。 - 前記第2誘電体層を除去するステップの後に、
前記開口の側面に第2酸化物領域を形成するステップをさらに含み、前記第2酸化物領域は、前記第2誘電体層から前記残余部分までの間に延びる、請求項1に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/604,988 US7002221B2 (en) | 2003-08-29 | 2003-08-29 | Bipolar transistor having raised extrinsic base with selectable self-alignment and methods of forming same |
US10/604,988 | 2003-08-29 | ||
PCT/US2004/021345 WO2005024900A2 (en) | 2003-08-29 | 2004-07-01 | Bipolar transistor having raised extrinsic base with selectable self-alignment and methods of forming same |
Publications (2)
Publication Number | Publication Date |
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JP2007504647A JP2007504647A (ja) | 2007-03-01 |
JP4979380B2 true JP4979380B2 (ja) | 2012-07-18 |
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Application Number | Title | Priority Date | Filing Date |
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JP2006524633A Expired - Fee Related JP4979380B2 (ja) | 2003-08-29 | 2004-07-01 | 選択可能な自己整合性を備えた隆起型外因性ベースを有するバイポーラ・トランジスタ及びその形成方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7002221B2 (ja) |
EP (1) | EP1658639A4 (ja) |
JP (1) | JP4979380B2 (ja) |
KR (1) | KR100810019B1 (ja) |
CN (1) | CN100459120C (ja) |
WO (1) | WO2005024900A2 (ja) |
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JP3406302B2 (ja) * | 2001-01-16 | 2003-05-12 | 株式会社半導体先端テクノロジーズ | 微細パターンの形成方法、半導体装置の製造方法および半導体装置 |
US6380017B1 (en) | 2001-06-15 | 2002-04-30 | National Semiconductor Corporation | Polysilicon-edge, base-emitter super self-aligned, low-power, high-frequency bipolar transistor and method of forming the transistor |
SE522891C2 (sv) * | 2001-11-09 | 2004-03-16 | Ericsson Telefon Ab L M | En kisel-germanium mesa transistor, en metod för dess framställning och en integrerad krets innefattande en sådan transistor |
US6809024B1 (en) | 2003-05-09 | 2004-10-26 | International Business Machines Corporation | Method to fabricate high-performance NPN transistors in a BiCMOS process |
US6869852B1 (en) * | 2004-01-09 | 2005-03-22 | International Business Machines Corporation | Self-aligned raised extrinsic base bipolar transistor structure and method |
-
2003
- 2003-08-29 US US10/604,988 patent/US7002221B2/en not_active Expired - Lifetime
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2004
- 2004-07-01 WO PCT/US2004/021345 patent/WO2005024900A2/en active Application Filing
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Also Published As
Publication number | Publication date |
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CN100459120C (zh) | 2009-02-04 |
US20050048735A1 (en) | 2005-03-03 |
EP1658639A2 (en) | 2006-05-24 |
KR100810019B1 (ko) | 2008-03-07 |
JP2007504647A (ja) | 2007-03-01 |
US20060081934A1 (en) | 2006-04-20 |
CN1868061A (zh) | 2006-11-22 |
US7253096B2 (en) | 2007-08-07 |
KR20060039443A (ko) | 2006-05-08 |
EP1658639A4 (en) | 2009-09-30 |
US7002221B2 (en) | 2006-02-21 |
WO2005024900A2 (en) | 2005-03-17 |
WO2005024900A3 (en) | 2005-06-09 |
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