JP2019106419A - 半導体装置 - Google Patents
半導体装置 Download PDFInfo
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- JP2019106419A JP2019106419A JP2017236834A JP2017236834A JP2019106419A JP 2019106419 A JP2019106419 A JP 2019106419A JP 2017236834 A JP2017236834 A JP 2017236834A JP 2017236834 A JP2017236834 A JP 2017236834A JP 2019106419 A JP2019106419 A JP 2019106419A
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 40
- 239000010410 layer Substances 0.000 claims abstract description 127
- 229910052751 metal Inorganic materials 0.000 claims abstract description 91
- 239000002184 metal Substances 0.000 claims abstract description 91
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 15
- 239000001301 oxygen Substances 0.000 claims abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 14
- 239000002344 surface layer Substances 0.000 claims abstract description 5
- 229910021364 Al-Si alloy Inorganic materials 0.000 claims description 5
- 229910021484 silicon-nickel alloy Inorganic materials 0.000 claims description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910002601 GaN Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 239000002019 doping agent Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- 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
- H01L27/07—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 the components having an active region in common
- H01L27/0705—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 the components having an active region in common comprising components of the field effect type
- H01L27/0711—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 the components having an active region in common comprising components of the field effect type in combination with bipolar transistors and diodes, or capacitors, or resistors
- H01L27/0716—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 the components having an active region in common comprising components of the field effect type in combination with bipolar transistors and diodes, or capacitors, or resistors in combination with vertical bipolar transistors and diodes, or capacitors, or resistors
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- H01L29/70—Bipolar devices
- H01L29/72—Transistor-type devices, i.e. able to continuously respond to applied control signals
- H01L29/739—Transistor-type devices, i.e. able to continuously respond to applied control signals controlled by field-effect, e.g. bipolar static induction transistors [BSIT]
- H01L29/7393—Insulated gate bipolar mode transistors, i.e. IGBT; IGT; COMFET
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (6)
- 半導体基板の表層部に形成されたn型領域およびp型領域と、
前記n型領域および前記p型領域の両方と接触する金属電極とを備え、
前記金属電極は、
前記n型領域および前記p型領域の両方と接触する第1金属層と、
前記第1金属層上に形成された第2金属層と、
を含み、
前記第1金属層における前記第2金属層との接触面の酸素濃度は、前記第1金属層における前記n型領域および前記p型領域との接触面の酸素濃度よりも低い、
半導体装置。 - 前記第1金属層は、AlまたはAl−Si系合金により形成されている、
請求項1記載の半導体装置。 - 前記第1金属層は、NiまたはNi−Si系合金により形成されている、
請求項1記載の半導体装置。 - 前記第1金属層は、前記n型領域および前記p型領域の両方とオーミック接触し、
前記第2金属層は、前記第1金属層とオーミック接触している、
請求項1から請求項3のいずれか一項に記載の半導体装置。 - 前記半導体装置は、前記n型領域および前記p型領域をカソード側に備えるダイオードである、
請求項1から請求項4のいずれか一項に記載の半導体装置。 - 前記半導体装置は、前記p型領域をコレクタとするIGBTと前記n型領域をカソードとするダイオードとを備えるRC−IGBTである、
請求項1から請求項4のいずれか一項に記載の半導体装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017236834A JP2019106419A (ja) | 2017-12-11 | 2017-12-11 | 半導体装置 |
US16/153,999 US10658359B2 (en) | 2017-12-11 | 2018-10-08 | Semiconductor device |
DE102018219656.7A DE102018219656A1 (de) | 2017-12-11 | 2018-11-16 | Halbleitervorrichtung |
CN201811473769.XA CN109994543A (zh) | 2017-12-11 | 2018-12-04 | 半导体装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017236834A JP2019106419A (ja) | 2017-12-11 | 2017-12-11 | 半導体装置 |
Publications (1)
Publication Number | Publication Date |
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JP2019106419A true JP2019106419A (ja) | 2019-06-27 |
Family
ID=66629847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017236834A Pending JP2019106419A (ja) | 2017-12-11 | 2017-12-11 | 半導体装置 |
Country Status (4)
Country | Link |
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US (1) | US10658359B2 (ja) |
JP (1) | JP2019106419A (ja) |
CN (1) | CN109994543A (ja) |
DE (1) | DE102018219656A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020012605A1 (ja) * | 2018-07-12 | 2020-12-17 | 三菱電機株式会社 | 半導体装置及び半導体装置の製造方法 |
Citations (6)
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JPH0613338A (ja) * | 1992-06-26 | 1994-01-21 | Sanyo Electric Co Ltd | 半導体集積回路の製造方法 |
JP2000228402A (ja) * | 1999-02-05 | 2000-08-15 | Hitachi Ltd | 半導体装置 |
JP2013012783A (ja) * | 2012-10-10 | 2013-01-17 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2013110373A (ja) * | 2011-08-02 | 2013-06-06 | Rohm Co Ltd | 半導体装置およびその製造方法 |
JP2016063110A (ja) * | 2014-09-19 | 2016-04-25 | 株式会社東芝 | 半導体装置及びその製造方法 |
JP2017130478A (ja) * | 2016-01-18 | 2017-07-27 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
Family Cites Families (9)
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JP2979702B2 (ja) | 1991-04-25 | 1999-11-15 | 株式会社デンソー | 半導体装置の電極形成方法 |
JPH08111455A (ja) | 1994-10-07 | 1996-04-30 | Kawasaki Steel Corp | 配線形成方法 |
JP4324931B2 (ja) | 2000-02-25 | 2009-09-02 | 神島化学工業株式会社 | 珪酸カルシウム成形体及びその製造方法 |
CN101510557B (zh) * | 2008-01-11 | 2013-08-14 | 艾斯莫斯技术有限公司 | 具有电介质终止的超结半导体器件及制造该器件的方法 |
JP4788734B2 (ja) * | 2008-05-09 | 2011-10-05 | トヨタ自動車株式会社 | 半導体装置 |
JP2010121151A (ja) * | 2008-11-17 | 2010-06-03 | Fuji Electric Systems Co Ltd | 表面処理方法 |
JP5812090B2 (ja) * | 2011-03-10 | 2015-11-11 | 富士電機株式会社 | 電子部品および電子部品の製造方法 |
JP5724887B2 (ja) * | 2012-01-16 | 2015-05-27 | トヨタ自動車株式会社 | 半導体装置 |
US8815730B1 (en) * | 2013-07-03 | 2014-08-26 | Texas Instruments Incorporated | Method for forming bond pad stack for transistors |
-
2017
- 2017-12-11 JP JP2017236834A patent/JP2019106419A/ja active Pending
-
2018
- 2018-10-08 US US16/153,999 patent/US10658359B2/en active Active
- 2018-11-16 DE DE102018219656.7A patent/DE102018219656A1/de active Pending
- 2018-12-04 CN CN201811473769.XA patent/CN109994543A/zh not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0613338A (ja) * | 1992-06-26 | 1994-01-21 | Sanyo Electric Co Ltd | 半導体集積回路の製造方法 |
JP2000228402A (ja) * | 1999-02-05 | 2000-08-15 | Hitachi Ltd | 半導体装置 |
JP2013110373A (ja) * | 2011-08-02 | 2013-06-06 | Rohm Co Ltd | 半導体装置およびその製造方法 |
JP2013012783A (ja) * | 2012-10-10 | 2013-01-17 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP2016063110A (ja) * | 2014-09-19 | 2016-04-25 | 株式会社東芝 | 半導体装置及びその製造方法 |
JP2017130478A (ja) * | 2016-01-18 | 2017-07-27 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2020012605A1 (ja) * | 2018-07-12 | 2020-12-17 | 三菱電機株式会社 | 半導体装置及び半導体装置の製造方法 |
Also Published As
Publication number | Publication date |
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CN109994543A (zh) | 2019-07-09 |
DE102018219656A1 (de) | 2019-06-13 |
US10658359B2 (en) | 2020-05-19 |
DE102018219656A8 (de) | 2019-08-01 |
US20190181138A1 (en) | 2019-06-13 |
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