JP4043452B2 - 半導体装置の製造方法 - Google Patents
半導体装置の製造方法 Download PDFInfo
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- JP4043452B2 JP4043452B2 JP2004118940A JP2004118940A JP4043452B2 JP 4043452 B2 JP4043452 B2 JP 4043452B2 JP 2004118940 A JP2004118940 A JP 2004118940A JP 2004118940 A JP2004118940 A JP 2004118940A JP 4043452 B2 JP4043452 B2 JP 4043452B2
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- 239000004065 semiconductor Substances 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 27
- 238000009792 diffusion process Methods 0.000 claims description 135
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 88
- 239000012535 impurity Substances 0.000 claims description 66
- 239000000758 substrate Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 238000000137 annealing Methods 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 2
- 229920005591 polysilicon Polymers 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 15
- 229910052796 boron Inorganic materials 0.000 description 15
- 230000003321 amplification Effects 0.000 description 14
- 238000010438 heat treatment Methods 0.000 description 14
- 238000003199 nucleic acid amplification method Methods 0.000 description 14
- 238000009826 distribution Methods 0.000 description 11
- 229920002120 photoresistant polymer Polymers 0.000 description 10
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 9
- 238000000059 patterning Methods 0.000 description 9
- 229910052698 phosphorus Inorganic materials 0.000 description 9
- 239000011574 phosphorus Substances 0.000 description 9
- 230000001133 acceleration Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 7
- 238000005468 ion implantation Methods 0.000 description 7
- 239000007790 solid phase Substances 0.000 description 6
- 238000001312 dry etching Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- -1 arsenic ions Chemical class 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
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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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8248—Combination of bipolar and field-effect technology
- H01L21/8249—Bipolar and MOS technology
-
- 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
- H01L27/04—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 the substrate being a semiconductor body
- H01L27/06—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration
- H01L27/0611—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region
- H01L27/0617—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type
- H01L27/0623—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 the substrate being a semiconductor body including a plurality of individual components in a non-repetitive configuration integrated circuits having a two-dimensional layout of components without a common active region comprising components of the field-effect type in combination with bipolar 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
- H01L29/66—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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Bipolar Integrated Circuits (AREA)
- Bipolar Transistors (AREA)
Description
[背景技術]
[課題を解決するための手段]
[発明を実施するための最良の形態]
図1は本発明の参考例における、PNP型のバイポーラトランジスタを有するバイポーラ構造の半導体装置の断面図である。図2は図1におけるA−A′部の不純物濃度の分布図である。
図4は本発明の第1の実施形態における、PNP型のバイポーラトランジスタとCMOSトランジスタとを有するBiCMOS構造の半導体装置の断面図である。
図7〜図8は本発明の第2の実施形態における、PNP型のバイポーラトランジスタとCMOSトランジスタとを有するBiCMOS構造の半導体装置の製造方法の各工程を示す断面図である。なお、本実施形態において、MOSトランジスタの多結晶シリコンゲート電極とバイポーラトランジスタの多結晶シリコン外部ベース層は同じ多結晶シリコンから形成されており、この点が上述の第1の実施形態と異なる。
2 P型コレクタ拡散層
3 N型ベース拡散層
4 P型多結晶シリコンエミッタ層
5 P型エミッタ拡散層
6 フォトレジスト
7 絶縁膜
8 配線
9 エミッタ拡散層のP型不純物の濃度分布
10 ベース拡散層のN型不純物の濃度分布
11 コレクタ拡散層のP型不純物の濃度分布
12 多結晶シリコンエミッタ層のP型不純物の濃度分布
13 N型ウェル層
14 P型ウェル層
15 フィールド酸化膜
16 ゲート酸化膜
17 多結晶シリコンゲート電極
18 サイドウォール(絶縁膜)
19 N型ソース・ドレイン拡散層
20 P型ソース・ドレイン拡散層
21 N型多結晶シリコン外部ベース層
22 N型外部ベース拡散層
23 サイドウォール(多結晶シリコン)
Claims (4)
- バイポーラトランジスタとMOSトランジスタとを有するBiCMOS構造の半導体装置の製造方法において、
半導体基板にコレクタ拡散層とウェル層とを形成する工程と、
前記ウェル層上にゲート絶縁膜を介して多結晶シリコンゲート電極を形成する工程と、
前記コレクタ拡散層にベース拡散層を形成する工程と、
前記ベース拡散層上に不純物の拡散源となる多結晶シリコンエミッタ層を形成する工程と、
前記多結晶シリコンエミッタ層から前記ベース拡散層に前記不純物を拡散してエミッタ拡散層を形成する工程と、
前記多結晶シリコンエミッタ層に前記不純物を追加導入する工程と、
前記ウェル層に前記不純物を導入する工程と、
前記エミッタ拡散層を形成した拡散温度よりも低い温度で熱処理し、前記ウェル層にソース・ドレイン拡散層を形成すると同時に前記多結晶シリコンエミッタ層の前記不純物を活性化する工程とを含むことを特徴とする半導体装置の製造方法。 - 前記多結晶シリコンエミッタ層に前記不純物を追加導入する工程は、前記ウェル層に前記不純物を導入する工程と同時に行うことを特徴とする請求項1に記載の半導体装置の製造方法。
- 前記多結晶シリコンゲート電極を形成する前にフィールド絶縁膜を形成する工程を備え、
前記多結晶シリコンゲート電極を形成する工程において、前記コレクタ拡散層上に開口窓を有する多結晶シリコン外部ベース層を該コレクタ拡散層及び前記フィールド絶縁膜上に同時に形成し、
前記多結晶シリコン外部ベース層を形成した後に、該多結晶シリコン外部ベース層から前記コレクタ拡散層に前記不純物を拡散して外部ベース拡散層を形成する工程を備え、
前記ベース拡散層を形成する工程は、前記開口窓を介して前記コレクタ拡散層に形成することを特徴とする請求項1または請求項2に記載の半導体装置の製造方法。 - 前記エミッタ拡散層を形成する工程は、ランプアニール処理にて高温短時間で処理することを特徴とする請求項1から請求項3までのいずれかに記載の半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004118940A JP4043452B2 (ja) | 2004-04-14 | 2004-04-14 | 半導体装置の製造方法 |
US11/095,529 US20050233516A1 (en) | 2004-04-14 | 2005-04-01 | Semiconductor device and manufacturing method thereof |
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JP2004118940A JP4043452B2 (ja) | 2004-04-14 | 2004-04-14 | 半導体装置の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005303122A JP2005303122A (ja) | 2005-10-27 |
JP4043452B2 true JP4043452B2 (ja) | 2008-02-06 |
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Application Number | Title | Priority Date | Filing Date |
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JP2004118940A Expired - Fee Related JP4043452B2 (ja) | 2004-04-14 | 2004-04-14 | 半導体装置の製造方法 |
Country Status (2)
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US (1) | US20050233516A1 (ja) |
JP (1) | JP4043452B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5416478B2 (ja) * | 2009-05-18 | 2014-02-12 | シャープ株式会社 | 半導体装置 |
TW201113965A (en) * | 2009-10-06 | 2011-04-16 | Univ Nat Central | Silicon photo-detection module |
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2004
- 2004-04-14 JP JP2004118940A patent/JP4043452B2/ja not_active Expired - Fee Related
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2005
- 2005-04-01 US US11/095,529 patent/US20050233516A1/en not_active Abandoned
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JP2005303122A (ja) | 2005-10-27 |
US20050233516A1 (en) | 2005-10-20 |
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