JP5167127B2 - オプトエレクトロニクス半導体チップ - Google Patents
オプトエレクトロニクス半導体チップ Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims description 177
- 230000005693 optoelectronics Effects 0.000 title claims description 99
- 230000004888 barrier function Effects 0.000 claims description 129
- 239000000758 substrate Substances 0.000 claims description 55
- 238000009792 diffusion process Methods 0.000 claims description 42
- 239000000463 material Substances 0.000 claims description 27
- 239000002019 doping agent Substances 0.000 claims description 24
- 150000001875 compounds Chemical class 0.000 claims description 16
- 230000005670 electromagnetic radiation Effects 0.000 claims description 14
- 230000005855 radiation Effects 0.000 claims description 14
- 229910052738 indium Inorganic materials 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 7
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 238000000927 vapour-phase epitaxy Methods 0.000 claims description 5
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 claims description 4
- 238000001451 molecular beam epitaxy Methods 0.000 claims description 4
- 238000000407 epitaxy Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims 1
- 239000010410 layer Substances 0.000 description 128
- 239000013078 crystal Substances 0.000 description 13
- 229910002601 GaN Inorganic materials 0.000 description 12
- 239000000969 carrier Substances 0.000 description 8
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 6
- 229910052749 magnesium Inorganic materials 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910010271 silicon carbide Inorganic materials 0.000 description 5
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000011109 contamination Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 229910052594 sapphire Inorganic materials 0.000 description 2
- 239000010980 sapphire Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical group [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910003363 ZnMgO Inorganic materials 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 229910052729 chemical element Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000013139 quantization Methods 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910052984 zinc sulfide Inorganic materials 0.000 description 1
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- H01S5/00—Semiconductor lasers
- H01S5/30—Structure or shape of the active region; Materials used for the active region
- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
- H01S5/343—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser
- H01S5/34333—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers in AIIIBV compounds, e.g. AlGaAs-laser, InP-based laser with a well layer based on Ga(In)N or Ga(In)P, e.g. blue laser
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- H01S5/00—Semiconductor lasers
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- H01S5/34—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers
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- H01S5/32—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures
- H01S5/3202—Structure or shape of the active region; Materials used for the active region comprising PN junctions, e.g. hetero- or double- heterostructures grown on specifically orientated substrates, or using orientation dependent growth
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- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
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- H01S5/3407—Structure or shape of the active region; Materials used for the active region comprising quantum well or superlattice structures, e.g. single quantum well [SQW] lasers, multiple quantum well [MQW] lasers or graded index separate confinement heterostructure [GRINSCH] lasers characterised by special barrier layers
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Description
図1Aは、本発明によるオプトエレクトロニクス半導体チップの第1の実施例の概略的な断面図を示す。
図1Bは、本発明によるオプトエレクトロニクス半導体チップの第2の実施例の概略的な断面図を示す。
図1Cは、本発明によるオプトエレクトロニクス半導体チップの第3の実施例の概略的な断面図を示す。
図2Aは、本発明によるオプトエレクトロニクス半導体チップの第4の実施例の概略的な断面図を示す。
図2Bは、本発明によるオプトエレクトロニクス半導体チップの第5の実施例の概略的な断面図を示す。
図2Cは、本発明によるオプトエレクトロニクス半導体チップの第6の実施例の概略的な断面図を示す。
図3は、本発明によるオプトエレクトロニクス半導体チップの第1の実施例に関する価電子帯および伝導帯の概略的な経過を示す。
図4は、本発明によるオプトエレクトロニクス半導体チップの第4の実施例に関する価電子帯および伝導帯の概略的な経過を示す。
図5は、オプトエレクトロニクス半導体チップに関する価電子帯および伝導帯の概略的な経過を示す。
図6は、図1および図2の実施例によるオプトエレクトロニクス半導体チップのいずれかを有するオプトエレクトロニクスモジュールを示す。
Claims (19)
- オプトエレクトロニクス半導体チップにおいて、
半導体チップ(20)の成長方向(c)において、以下の順序で複数の領域を有する、すなわち
アクティブ領域(2)に対するpドープされたバリア層(1)と、
電磁放射の生成に適しており、六方晶系の化合物半導体をベースとするアクティブ領域(2)と、
アクティブ領域(2)に対するnドープされたバリア層(3)とを有し、
成長方向(c)において前記pドープされたバリア層(1)の前段にはトンネルコンタクト(5)が配置されており、
前記トンネルコンタクト(5)は、高nドープされた領域(5a)と高pドープされた領域(5b)とを有し、
前記トンネルコンタクト(5)は、該トンネルコンタクト(5)の前記高nドープされた領域(5a)と前記高pドープされた領域(5b)との間に拡散バリア(14)を有し、
前記アクティブ領域はIII−V族半導体材料系In y Ga 1-x-y Al x N、但し0≦x≦1、0≦y≦1且つx+y≦1、をベースとし、
前記拡散バリア(14)は少なくとも60%のアルミニウム濃度を有するAlxGa1-xN層であることを特徴とする、オプトエレクトロニクス半導体チップ。 - 前記pドープされたバリア層(1)と前記アクティブ領域(2)との間に拡散バリア(4)が配置されており、該拡散バリア(4)は前記アクティブ領域(2)へのドーパントの拡散の阻止に適している、請求項1記載のオプトエレクトロニクス半導体チップ。
- 前記拡散バリア(14)の層厚は1nmから2nmである、請求項1記載のオプトエレクトロニクス半導体チップ。
- 成長方向(c)において前記トンネルコンタクト(5)の前段にはn導電型の領域(6)が配置されている、請求項1から3までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 半導体チップの領域はp導電型の成長基板上に析出されている、請求項1記載のオプトエレクトロニクス半導体チップ。
- 前記アクティブ領域(2)は量子井戸構造(8,9)を含む、請求項1から5までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 前記アクティブ領域(2)は、放射生成のために設けられている単一量子井戸構造(8)を1つ含む、請求項1から6までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 成長方向(c)において、前記放射生成のために設けられている量子井戸構造(2)の前段には、放射生成のためには設けられていない少なくとも1つの量子井戸構造(9)が配置されている、請求項1から7までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 前記放射生成のためには設けられていない量子井戸構造(9)のインジウム濃度は、前記放射生成のために設けられている量子井戸構造(8)のインジウム濃度よりも低い、請求項1から8までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 前記p型にドープされたバリア層(1)と前記アクティブ領域(2)との間に拡散バリア(4)が配置されており、該拡散バリア(4)はIII−V族半導体材料系AlxGa1-xN、但しx≧0.2、を含有する、請求項1から9までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 前記アクティブ領域(2)はIII−V族半導体材料系InyGa1-yN、但し0<y≦1、をベースとする、請求項1から10までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- オフ角を備えた成長基板(7)を有する、請求項1から11までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 前記成長基板(7)の前記オフ角は0.1°〜1.0°である、請求項12記載のオプトエレクトロニクス半導体チップ。
- 前記成長基板(7)は薄くされている、請求項1から13までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 半導体チップはGa面成長モードで成長されている、請求項1から14までのいずれか1項記載のオプトエレクトロニクス半導体チップ。
- 請求項1から15までのいずれか1項記載のオプトエレクトロニクス半導体チップを有し、前記オプトエレクトロニクス半導体チップ(20)と電気的に接触可能な端子(183,184)を備えていることを特徴とする、オプトエレクトロニクスモジュール。
- 請求項1から15までのいずれか1項記載のオプトエレクトロニクス半導体チップの製造方法において、
以下の領域、すなわち、
半導体チップのアクティブ領域(2)に対するpドープされたバリア層(1)、
電磁放射の生成に適しており、六方晶系の化合物半導体をベースとするアクティブ領域(2)、
アクティブ領域(2)に対するnドープされたバリア層(3)、
を上記の順序でウェハ上に析出することを特徴とする、オプトエレクトロニクス半導体チップの製造方法。 - 有機金属気相エピタキシ、分子ビームエピタキシ、水素化物気相エピタキシのうちのいずれか1つのエピタキシ方法を使用する、請求項17記載の方法。
- 半導体チップをGa面成長モードで成長させる、請求項17または18記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005035722.9A DE102005035722B9 (de) | 2005-07-29 | 2005-07-29 | Optoelektronischer Halbleiterchip und Verfahren zu dessen Herstellung |
DE102005035722.9 | 2005-07-29 | ||
PCT/DE2006/001323 WO2007012327A1 (de) | 2005-07-29 | 2006-07-28 | Optoelektronischer halbleiterchip |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2012224564A Division JP2013009013A (ja) | 2005-07-29 | 2012-10-09 | オプトエレクトロニクス半導体チップ、オプトエレクトロニクスモジュールおよびオプトエレクトロニクス半導体チップの製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2009503823A JP2009503823A (ja) | 2009-01-29 |
JP5167127B2 true JP5167127B2 (ja) | 2013-03-21 |
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JP (2) | JP5167127B2 (ja) |
KR (1) | KR20080047376A (ja) |
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US20090090900A1 (en) | 2009-04-09 |
TWI323948B (en) | 2010-04-21 |
DE102005035722B4 (de) | 2021-09-09 |
EP1911103B1 (de) | 2016-08-31 |
JP2013009013A (ja) | 2013-01-10 |
DE102005035722B9 (de) | 2021-11-18 |
CN102664223A (zh) | 2012-09-12 |
EP1911103A1 (de) | 2008-04-16 |
CN101233622A (zh) | 2008-07-30 |
CN101233622B (zh) | 2012-06-13 |
DE102005035722A1 (de) | 2007-02-01 |
US8994000B2 (en) | 2015-03-31 |
KR20080047376A (ko) | 2008-05-28 |
TW200711182A (en) | 2007-03-16 |
WO2007012327A1 (de) | 2007-02-01 |
JP2009503823A (ja) | 2009-01-29 |
US20120280207A1 (en) | 2012-11-08 |
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