JP2008294444A - 半導体チップおよび半導体チップの製造方法 - Google Patents
半導体チップおよび半導体チップの製造方法 Download PDFInfo
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 119
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000000463 material Substances 0.000 claims abstract description 94
- 238000005253 cladding Methods 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 12
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 10
- 230000007423 decrease Effects 0.000 claims description 10
- 229910052698 phosphorus Inorganic materials 0.000 claims description 10
- 239000011574 phosphorus Substances 0.000 claims description 10
- 229910052785 arsenic Inorganic materials 0.000 claims description 9
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 9
- 239000011777 magnesium Substances 0.000 claims description 8
- 229910052749 magnesium Inorganic materials 0.000 claims description 7
- 229910052725 zinc Inorganic materials 0.000 claims description 7
- 239000011701 zinc Substances 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 6
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims description 4
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 claims description 4
- 229910052799 carbon Inorganic materials 0.000 claims description 4
- 229910052733 gallium Inorganic materials 0.000 claims description 4
- 229910052738 indium Inorganic materials 0.000 claims description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims description 4
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 abstract description 217
- 239000011229 interlayer Substances 0.000 abstract description 6
- 230000004888 barrier function Effects 0.000 description 8
- 239000002019 doping agent Substances 0.000 description 8
- 230000005855 radiation Effects 0.000 description 7
- 230000008859 change Effects 0.000 description 5
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Chemical compound P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000013078 crystal Substances 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 238000000927 vapour-phase epitaxy Methods 0.000 description 1
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Abstract
【解決手段】クラッド層およびコンタクト層を包含するpドープされた領域を有し、クラッド層とコンタクト層との間には第1の中間層および第2の中間層が配置されており、第1の中間層および第2の中間層における第1の材料成分の濃度yは、第1の中間層および第2の中間層におけるバンドギャップがクラッド層のバンドギャップとコンタクト層のバンドギャップとの間に位置する領域において変わるように変化している。
【選択図】図1
Description
−第1の中間層をクラッド層上に成長させるステップと、
−第2の中間層を第1の中間層上に成長させるステップと、
−コンタクト層を第2の中間層上に成長させるステップとを有する。
Claims (34)
- 半導体チップ(1)において、
クラッド層(18)およびコンタクト層(21)を包含するpドープされた領域(I)を有し、前記クラッド層(18)と前記コンタクト層(21)との間には第1の中間層(19)および第2の中間層(20)が配置されており、前記第1の中間層(19)および前記第2の中間層(20)における第1の材料成分(B)の濃度yは、前記第1の中間層(19)および前記第2の中間層(20)におけるバンドギャップが前記クラッド層(18)のバンドギャップと前記コンタクト層(21)のバンドギャップとの間に位置する領域において変わるように変化していることを特徴とする、半導体チップ(1)。 - 前記第1の中間層(19)における前記バンドギャップの大きさは前記クラッド層(18)から前記第2の中間層(20)に向かって小さくなる、請求項1記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記バンドギャップの大きさは前記第1の中間層(19)から前記コンタクト層(21)に向かって小さくなる、請求項1または2記載の半導体チップ(1)。
- 前記クラッド層(18)、前記第1の中間層(19)、前記第2の中間層(20)および前記コンタクト層(21)はそれぞれ化合物半導体材料を含有する、請求項1から3までのいずれか1項記載の半導体チップ(1)。
- 前記それぞれの化合部半導体材料の組成は次式によって表される:CxBy(1-x)E(1-y)(1-x)A、ただし0≦x≦1且つ0≦y≦1、請求項4記載の半導体チップ(1)。
- 前記第1の材料成分(B)はアルミニウムである、請求項5記載の半導体チップ(1)。
- 第2の材料成分(E)はガリウムである、請求項5または6記載の半導体チップ(1)。
- 第3の材料成分(C)はインジウムである、請求項5から7までのいずれか1項記載の半導体チップ(1)。
- 第4の材料成分(A)はリンまたはヒ素である、請求項6から8までのいずれか1項記載の半導体チップ(1)。
- 前記クラッド層(18)がInAlPを含有し、前記第1の中間層(19)がInAlGaPを含有し、前記第2の中間層(20)がAlGaAsを含有し、また前記コンタクト層(21)がGaAsを含有する、請求項1から9までのいずれか1項記載の半導体チップ(1)。
- 前記第1の中間層(19)における前記第1の材料成分(B)の前記濃度yは前記クラッド層(18)から前記第2の中間層(20)に向かって低下する、請求項5から10までのいずれか1項記載の半導体チップ(1)。
- 前記第1の中間層(19)における前記第1の材料成分(B)の前記濃度yは前記クラッド層(18)と対向する側において20%〜100%である、請求項11記載の半導体チップ(1)。
- 前記第1の中間層(19)における前記第1の材料成分(B)の前記濃度yは前記クラッド層(18)と対向する側において70%〜90%である、請求項12記載の半導体チップ(1)。
- 前記第1の中間層(19)における前記第1の材料成分(B)の前記濃度yは前記第2の中間層(20)と対向する側において0%〜50%である、請求項11から13までのいずれか1項記載の半導体チップ(1)。
- 前記第1の中間層(19)における前記第1の材料成分(B)の前記濃度yは前記第2の中間層(20)と対向する側において10%〜40%である、請求項14記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記第1の材料成分(B)の前記濃度yは前記第1の中間層(19)から前記コンタクト層(21)に向かって低下する、請求項5から15までのいずれか1項記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記第1の材料成分(B)の前記濃度yは前記第1の中間層(19)と対向する側において10%〜100%である、請求項16記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記第1の材料成分(B)の前記濃度yは前記第1の中間層(19)と対向する側において60%〜80%である、請求項17記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記第1の材料成分(B)の前記濃度yは前記コンタクト層(21)と対向する側において0%〜50%である、請求項16から18までのいずれか1項記載の半導体チップ(1)。
- 前記第2の中間層(20)における前記第1の材料成分(B)の前記濃度yは前記コンタクト層(21)と対向する側において2%〜5%である、請求項19記載の半導体チップ(1)。
- 価電子帯(VB)が前記クラッド層(18)から前記コンタクト層(21)に向かって連続的な経過を有する、請求項1から20までのいずれか1項記載の半導体チップ(1)。
- 前記pドープされた領域(I)とnドープされた領域(III)との間に配置されている活性領域(II)を有する、請求項1から21までのいずれか1項記載の半導体チップ(1)。
- レーザダイオードチップである、請求項1から22までのいずれか1項記載の半導体チップ(1)。
- 請求項1から23までのいずれか1項記載の半導体チップの製造方法において、
−第1の中間層(19)をクラッド層(18)上に成長させるステップと、
−第2の中間層(20)を前記第1の中間層(19)上に成長させるステップと、
−コンタクト層(21)を前記第2の中間層(20)上に成長させるステップとを有することを特徴とする、製造方法。 - 前記第1の中間層(19)の上への前記第2の中間層(20)の成長を成長中断なく行う、請求項24記載の方法。
- 前記第1の中間層(19)の成長と前記第2の中間層(20)の成長との間にリンベースの成長からヒ素ベースの成長に切り換える、請求項24または25記載の方法。
- 前記第1の中間層(19)および前記第2の中間層(20)を同一の温度で成長させる、請求項26記載の方法。
- 前記温度は700℃である、請求項27記載の方法。
- 前記第2の中間層(20)の成長後に成長を中断し、該中断中に前記温度を低下させる、請求項27または28記載の方法。
- 前記温度をアルシン支持圧力下で行う、請求項29記載の方法。
- 前記コンタクト層(21)を約550℃の温度で成長させる、請求項29または30記載の方法。
- 前記第1の中間層(19)をマグネシウムまたは亜鉛でドープする、請求項24から31までのいずれか1項記載の方法。
- 前記第2の中間層(20)を炭素、マグネシウムまたは亜鉛でドープする、請求項24から32までのいずれか1項記載の方法。
- 前記第1の中間層(19)および前記第2の中間層(20)の成長中に前記第1の材料成分(B)の前記濃度を連続的に低下させる、請求項24から33までのいずれか1項記載の方法。
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DE102007023878A DE102007023878A1 (de) | 2007-05-23 | 2007-05-23 | Halbleiterchip und Verfahren zur Herstellung eines Halbleiterchips |
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US (1) | US8093579B2 (ja) |
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JP2016152347A (ja) * | 2015-02-18 | 2016-08-22 | 日本オクラロ株式会社 | 半導体光素子、及びその製造方法 |
WO2022224591A1 (ja) * | 2021-04-21 | 2022-10-27 | 浜松ホトニクス株式会社 | 面発光レーザ素子 |
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JP2011192816A (ja) * | 2010-03-15 | 2011-09-29 | Panasonic Corp | 半導体発光素子 |
DE102010014667A1 (de) | 2010-04-12 | 2011-10-13 | Osram Opto Semiconductors Gmbh | Leuchtdiodenchip mit Stromaufweitungsschicht |
US9130107B2 (en) * | 2011-08-31 | 2015-09-08 | Epistar Corporation | Light emitting device |
JP6271934B2 (ja) | 2012-11-02 | 2018-01-31 | キヤノン株式会社 | 窒化物半導体面発光レーザ及びその製造方法 |
KR102376468B1 (ko) * | 2014-12-23 | 2022-03-21 | 엘지이노텍 주식회사 | 적색 발광소자 및 조명장치 |
EP3073538B1 (en) * | 2015-03-25 | 2020-07-01 | LG Innotek Co., Ltd. | Red light emitting device and lighting system |
US11228160B2 (en) * | 2018-11-15 | 2022-01-18 | Sharp Kabushiki Kaisha | AlGaInPAs-based semiconductor laser device and method for producing same |
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JPH0485981A (ja) * | 1990-07-27 | 1992-03-18 | Victor Co Of Japan Ltd | 半導体レーザ装置 |
JPH04372189A (ja) * | 1991-06-20 | 1992-12-25 | Sanyo Electric Co Ltd | 半導体レーザの製造方法 |
JPH05283797A (ja) * | 1992-04-02 | 1993-10-29 | Sharp Corp | AlGaAsP半導体レーザ装置 |
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WO2022224591A1 (ja) * | 2021-04-21 | 2022-10-27 | 浜松ホトニクス株式会社 | 面発光レーザ素子 |
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DE102007023878A1 (de) | 2008-11-27 |
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