JP2019186549A - スタック型のiii−v族半導体モジュール - Google Patents
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 54
- 230000002093 peripheral effect Effects 0.000 claims abstract description 30
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims abstract description 7
- -1 GaAs compound Chemical class 0.000 claims abstract description 6
- 230000007547 defect Effects 0.000 claims description 15
- 239000002019 doping agent Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 7
- 238000002513 implantation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 238000000407 epitaxy Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000005215 recombination Methods 0.000 description 2
- 230000006798 recombination Effects 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000005280 amorphization Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
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- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000004943 liquid phase epitaxy Methods 0.000 description 1
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
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- 229920001721 polyimide Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
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Abstract
Description
p−中間層が、10μm〜25μmまでの厚さを有しており、n−層が、40μm〜90μmの厚さを有しており、約900Vの逆電圧が生じる。
p−中間層が、25μm〜35μmまでの厚さを有しており、n−層が、40μm〜70μmの厚さを有しており、約1,200Vの逆電圧が生じる。
p−中間層が、35μm〜50μmまでの厚さを有しており、n−層が、70μm〜150μm〜70μmの厚さを有しており、約1,500Vの逆電圧が生じる。
p−中間層が、10μm〜25μmまでの厚さを有しており、n−層が、60μm〜110μmの厚さを有している。
p−中間層が、10μm〜25μmまでの厚さを有しており、n−層が、70μm〜140μmの厚さを有している。
p−中間層が、35μm〜50μmまでの厚さを有しており、n−層が、80μm〜200μmの厚さを有している。
Claims (9)
- スタック型のIII−V族半導体モジュール(10)であって、
前記スタック型のIII−V族半導体モジュール(10)は、
上面(102)、下面(104)、前記上面(102)と前記下面(104)とを繋ぐ側面(106)、および、前記上面(102)と前記下面(104)とを通って延びる長手方向軸線(L)を備えたスタック(100)を有しており、
前記スタック(100)は、上面および下面を備え、かつ5×1018N/cm3〜5×1020N/cm3のドーパント濃度を有するp+領域(12)を有しており、
前記スタック(100)は、上面および下面を備え、かつ1012N/cm3〜1017N/cm3のドーパント濃度および10μm〜300μmの層厚(D2)を有するn−層(14)を有しており、
前記スタック(100)は、上面および下面を備え、かつ1019N/cm3のドーパント濃度を有するn+領域(16)を有しており、
前記p+領域(12)および前記n−層(14)および前記n+領域(16)は、前記スタック(100)の前記長手方向軸線(L)に沿って、記載の順序で重なっており、それぞれがモノリシックに形成されており、かつそれぞれがGaAs化合物を含有しているか、またはそれぞれがGaAs化合物から成り、
前記n+領域(16)または前記p+領域(12)は、基板層として形成されている、スタック型のIII−V族半導体モジュール(10)において、
前記スタック(100)は、前記側面(106)の領域に、周方向に延びる階段の踊り場状の第1の周縁部(110)と、周方向に延びる階段の踊り場状の第2の周縁部(120)と、を有しており、
前記第1の周縁部(110)は、前記基板層によって形成され、
前記第2の周縁部(120)は、前記n−層(14)、または前記n−層(14)および前記p+領域(12)に接する中間層(18)によって形成され、
前記周方向に延びる第1の周縁部(110)および前記周方向に延びる第2の周縁部(120)は、それぞれ少なくとも10μmの幅(B1,B2)を有している、
スタック型のIII−V族半導体モジュール(10)。 - 注入によって生じる第1の絶縁層(20)が、少なくとも前記スタック(100)の前記側面(106)の一部に沿って、前記スタック(100)内に形成されている、
請求項1記載のスタック型のIII−V族半導体モジュール(10)。 - 第2の絶縁層(22)が、少なくとも前記スタック(100)の前記側面(106)の一部に沿って延在している、
請求項1または2記載のスタック型のIII−V族半導体モジュール(10)。 - 前記半導体モジュール(10)は、第1のコンタクト層(K1)および第2のコンタクト層(K2)を含んでおり、前記第2のコンタクト層(K2)は、前記スタック(100)の前記上面(102)を部分的に覆っており、前記スタック(100)の前記上面(102)は、前記第2のコンタクト層(K2)を取り囲むようにして、少なくとも10μmの幅(B3)を有する、周方向に延びる第3の周縁部(130)を形成している、
請求項1から3までのいずれか1項記載のスタック型のIII−V族半導体モジュール(10)。 - 前記p+領域(12)および前記n+領域(16)は、層状に形成されており、
前記層状のn+領域(16)および前記層状のp+領域(12)は、それぞれ素材結合によって前記n−層(14)と結合されており、
前記層状のn+領域(16)は、50μm〜675μmの層厚(D3)を有しており、
前記層状のp+領域は、2μmよりも大きい層厚(D1)を有しており、
前記スタック型のIII−V族半導体モジュール(10)は、0.5μm〜50μmの層厚(D4)を有する第1の欠陥層(30)を有しており、
前記第1の欠陥層(30)は、前記n−層(14)内に配置されており、かつ1×1013N/cm3〜5×1016N/cm3の範囲の欠陥濃度を有している、
請求項1から4までのいずれか1項記載のスタック型のIII−V族半導体モジュール(10)。 - 前記n−層(14)と前記p+領域(12)との境界面までの、前記第1の欠陥層(30)の距離(A1)は、最大で、前記n−層(14)の層厚(D2)の半分である、ことを特徴とする、
請求項5記載のスタック型のIII−V族半導体モジュール(10)。 - 前記p+領域(12)および前記n+領域(16)は、層状に形成されており、
前記層状のn+領域(16)は、素材結合によって前記n−層(14)と結合されており、
前記n−層(14)と前記p+層(12)との間には、1μm〜50μmの層厚(D5)を有し、かつ1012cm−3〜1017cm−3のドーパント濃度でもってドープされた中間層(18)が配置されており、
前記中間層(18)は、素材結合によって前記n−層(14)および前記p+層(18)と結合されている、
請求項1から4までのいずれか1項記載のスタック型のIII−V族半導体モジュール(10)。 - 前記III−V族半導体モジュール(10)は、モノリシックに形成されているか、または半導体ボンディングを有している、
請求項1から7までのいずれか1項記載のIII−V族半導体モジュール(10)。 - 前記半導体ボンディングは、前記p−層(18)と前記n−層(14)との間に形成されている、
請求項8記載のIII−V族半導体モジュール(10)。
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JP2851044B2 (ja) * | 1988-03-30 | 1999-01-27 | 株式会社東芝 | 半導体装置の製造方法 |
US5213994A (en) * | 1989-05-30 | 1993-05-25 | Motorola, Inc. | Method of making high voltage semiconductor device |
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CN110364565B (zh) | 2022-11-01 |
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JP6885619B2 (ja) | 2021-06-16 |
US20190312151A1 (en) | 2019-10-10 |
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US10784381B2 (en) | 2020-09-22 |
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