JP2006080448A - エピタキシャルウェハおよび素子 - Google Patents
エピタキシャルウェハおよび素子 Download PDFInfo
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- 239000000758 substrate Substances 0.000 claims abstract description 56
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000010410 layer Substances 0.000 claims description 653
- 239000011247 coating layer Substances 0.000 claims description 54
- 239000012535 impurity Substances 0.000 claims description 33
- 229910052698 phosphorus Inorganic materials 0.000 claims description 23
- 229910052785 arsenic Inorganic materials 0.000 claims description 22
- GPXJNWSHGFTCBW-UHFFFAOYSA-N Indium phosphide Chemical compound [In]#P GPXJNWSHGFTCBW-UHFFFAOYSA-N 0.000 claims description 21
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical group [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 21
- 239000011574 phosphorus Substances 0.000 claims description 21
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 claims description 20
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical group [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims description 20
- 239000000470 constituent Substances 0.000 claims description 11
- JHFCVRNLWYSLOL-UHFFFAOYSA-N [P].[As].[In] Chemical compound [P].[As].[In] JHFCVRNLWYSLOL-UHFFFAOYSA-N 0.000 claims description 9
- KXNLCSXBJCPWGL-UHFFFAOYSA-N [Ga].[As].[In] Chemical compound [Ga].[As].[In] KXNLCSXBJCPWGL-UHFFFAOYSA-N 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 5
- 235000012431 wafers Nutrition 0.000 claims 12
- 230000000052 comparative effect Effects 0.000 description 16
- 238000005424 photoluminescence Methods 0.000 description 16
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 14
- 229910000673 Indium arsenide Inorganic materials 0.000 description 13
- 238000004458 analytical method Methods 0.000 description 13
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 12
- 230000004048 modification Effects 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 9
- 238000004519 manufacturing process Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 230000007547 defect Effects 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 230000006866 deterioration Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 230000002040 relaxant effect Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
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- H01L31/08—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof in which radiation controls flow of current through the device, e.g. photoresistors
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- H01L31/103—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the PN homojunction type
- H01L31/1035—Devices sensitive to infrared, visible or ultraviolet radiation characterised by only one potential barrier the potential barrier being of the PN homojunction type the devices comprising active layers formed only by AIIIBV compounds
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Abstract
【解決手段】 エピタキシャルウェハは、基板3と、バッファ層9と、受光層11と、窓層13とを備える。バッファ層9は基板3上に形成される。受光層11はバッファ層9上に形成される。受光層11は、基板3を構成する材料の格子定数より大きな格子定数を有するエピタキシャル膜からなる。窓層13は、受光層11上に形成され、受光層11と接触するように配置される1層または複数層からなる。窓層13を構成する層のうち受光層11と接触する層の格子定数は、受光層11の格子定数およびバッファ層9の格子定数のうちのいずれか大きい格子定数より小さい。窓層13の厚みは0.2μm以上2.0μm以下である。
【選択図】 図2
Description
Claims (12)
- 基板と、
前記基板上に形成されたバッファ層と、
前記バッファ層上に形成され、前記基板を構成する材料の格子定数より大きな格子定数を有するエピタキシャル膜からなる動作層と、
前記動作層上に形成され、前記動作層と接触するように配置される1層または複数層からなる被覆層とを備え、
前記被覆層を構成する層のうち前記動作層と接触する層の格子定数は、前記動作層の格子定数および前記バッファ層の格子定数のうちのいずれか大きい格子定数より小さく、
前記被覆層の厚みは0.2μm以上2.0μm以下である、エピタキシャルウェハ。 - 前記被覆層を構成する層のうち前記動作層と接触する層の格子定数は、前記動作層の格子定数および前記バッファ層の格子定数のうちのいずれか小さい格子定数より小さい、請求項1に記載のエピタキシャルウェハ。
- 前記動作層は複数の層からなり、
前記被覆層を構成する層のうち前記動作層と接触する層の格子定数と比較される前記動作層の格子定数は、前記動作層を構成する複数の層のうち前記被服層と接触する層の格子定数である、請求項1または請求項2に記載のエピタキシャルウェハ。 - 前記基板はインジウムリン基板であり、
前記バッファ層はインジウムヒ素リンからなり、
前記動作層はインジウムガリウムヒ素からなり、
前記被覆層はインジウムヒ素リンからなる、請求項1〜3のいずれか1項に記載のエピタキシャルウェハ。 - 前記被覆層を構成する層のうち前記動作層と接触する層と前記バッファ層との格子不整合度の差は0%超え1.0%以下である、請求項1〜4のいずれか1項に記載のエピタキシャルウェハ。
- 前記被覆層を構成する層のうち前記動作層と接触する層と前記動作層との格子不整合度の差は0%超え1.0%以下である、請求項1〜4のいずれか1項に記載のエピタキシャルウェハ。
- 基板と、
前記基板上に形成されたバッファ層と、
前記バッファ層上に形成され、前記基板を構成する材料の格子定数より大きな格子定数を有するエピタキシャル膜からなる動作層と、
前記動作層上に形成され、前記動作層と接触するように配置される1層または複数層からなる被覆層とを備え、
前記被覆層を構成する層のうち前記動作層と接触する層と前記バッファ層とは、互いに同じ構成元素により構成される材料からなり、かつ、前記構成元素に含まれる不純物元素は、前記不純物元素の含有率が増加するにつれて前記材料の格子定数が大きくなるものであり、
前記被覆層を構成する層のうち前記動作層と接触する層における前記不純物元素の含有率は、前記バッファ層における前記不純物元素の含有率より小さく、
前記被覆層の厚みは0.2μm以上2.0μm以下である、エピタキシャルウェハ。 - 前記基板はインジウムリン基板であり、
前記バッファ層はインジウムヒ素リンからなり、
前記動作層はインジウムガリウムヒ素からなり、
前記被覆層はインジウムヒ素リンからなり、
前記不純物元素はヒ素である、請求項7に記載のエピタキシャルウェハ。 - 基板と、
前記基板上に形成されたバッファ層と、
前記バッファ層上に形成され、前記基板を構成する材料の格子定数より大きな格子定数を有するエピタキシャル膜からなる動作層と、
前記動作層上に形成され、前記動作層と接触するように配置される1層または複数層からなる被覆層とを備え、
前記被覆層を構成する層のうち前記動作層と接触する層と前記バッファ層とは、互いに同じ構成元素により構成される材料からなり、かつ、前記構成元素に含まれる不純物元素は、前記不純物元素の含有率が増加するにつれて前記材料の格子定数が小さくなるものであり、
前記被覆層を構成する層のうち前記動作層と接触する層における前記不純物元素の含有率は、前記バッファ層における前記不純物元素の含有率より大きく、
前記被覆層の厚みは0.2μm以上2.0μm以下である、エピタキシャルウェハ。 - 前記基板はインジウムリン基板であり、
前記バッファ層はインジウムヒ素リンからなり、
前記動作層はインジウムガリウムヒ素からなり、
前記被覆層はインジウムヒ素リンからなり、
前記不純物元素はリンである、請求項9に記載のエピタキシャルウェハ。 - 前記動作層は複数の層からなる、請求項7〜10のいずれか1項に記載のエピタキシャルウェハ。
- 請求項1〜11のいずれか1項に記載のエピタキシャルウェハを用いて製造された素子。
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004265537A JP2006080448A (ja) | 2004-09-13 | 2004-09-13 | エピタキシャルウェハおよび素子 |
TW094129584A TW200629583A (en) | 2004-09-13 | 2005-08-30 | Epitaxial wafer and device |
CA002517985A CA2517985A1 (en) | 2004-09-13 | 2005-09-01 | Epitaxial wafer and device |
EP05019376A EP1635401A1 (en) | 2004-09-13 | 2005-09-06 | Epitaxial wafer and device |
SG200505672A SG121099A1 (en) | 2004-09-13 | 2005-09-06 | Epitaxial wafer and device |
CNA2005101036393A CN1750276A (zh) | 2004-09-13 | 2005-09-06 | 外延晶片及元件 |
US11/225,315 US20060055000A1 (en) | 2004-09-13 | 2005-09-12 | Epitaxial wafer and device |
KR1020050084692A KR20060051205A (ko) | 2004-09-13 | 2005-09-12 | 에피텍셜 웨이퍼 및 소자 |
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JP2004265537A JP2006080448A (ja) | 2004-09-13 | 2004-09-13 | エピタキシャルウェハおよび素子 |
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JP2006080448A true JP2006080448A (ja) | 2006-03-23 |
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Country | Link |
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US (1) | US20060055000A1 (ja) |
EP (1) | EP1635401A1 (ja) |
JP (1) | JP2006080448A (ja) |
KR (1) | KR20060051205A (ja) |
CN (1) | CN1750276A (ja) |
CA (1) | CA2517985A1 (ja) |
SG (1) | SG121099A1 (ja) |
TW (1) | TW200629583A (ja) |
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JP2018147962A (ja) * | 2017-03-02 | 2018-09-20 | 住友電気工業株式会社 | 受光素子 |
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JP5215284B2 (ja) * | 2009-12-25 | 2013-06-19 | シャープ株式会社 | 多接合型化合物半導体太陽電池 |
JP5859423B2 (ja) * | 2010-03-02 | 2016-02-10 | Jx日鉱日石金属株式会社 | 半導体エピタキシャル基板及び半導体センサ用基板の製造方法 |
CN102623575A (zh) * | 2012-04-17 | 2012-08-01 | 中国科学院苏州纳米技术与纳米仿生研究所 | 一种InP衬底生长InGaAs电池层的结构及其方法 |
CN103383977B (zh) * | 2013-07-23 | 2015-10-28 | 中国科学院长春光学精密机械与物理研究所 | 宽探测波段的InGaAs/GaAs红外探测器 |
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JPS61172381A (ja) * | 1984-12-22 | 1986-08-04 | Fujitsu Ltd | InP系化合物半導体装置 |
FR2634065A1 (fr) * | 1988-07-05 | 1990-01-12 | Thomson Csf | Dispositif optoelectronique a base d'antimoine |
US5053843A (en) * | 1990-12-12 | 1991-10-01 | Gte Laboratories Incorporated | Thermally-stable structure for IMSM photodetectors on GaAs substrates |
JP3285981B2 (ja) * | 1993-01-14 | 2002-05-27 | 浜松ホトニクス株式会社 | 半導体受光素子 |
US7061955B2 (en) * | 2000-09-15 | 2006-06-13 | The Regents Of The University Of California | Heterogeneous composite semiconductor structures for enhanced oxide and air aperture formation for semiconductor lasers and detectors and method of manufacture |
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- 2005-08-30 TW TW094129584A patent/TW200629583A/zh unknown
- 2005-09-01 CA CA002517985A patent/CA2517985A1/en not_active Abandoned
- 2005-09-06 SG SG200505672A patent/SG121099A1/en unknown
- 2005-09-06 CN CNA2005101036393A patent/CN1750276A/zh active Pending
- 2005-09-06 EP EP05019376A patent/EP1635401A1/en not_active Withdrawn
- 2005-09-12 KR KR1020050084692A patent/KR20060051205A/ko not_active Application Discontinuation
- 2005-09-12 US US11/225,315 patent/US20060055000A1/en not_active Abandoned
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018147962A (ja) * | 2017-03-02 | 2018-09-20 | 住友電気工業株式会社 | 受光素子 |
Also Published As
Publication number | Publication date |
---|---|
KR20060051205A (ko) | 2006-05-19 |
EP1635401A1 (en) | 2006-03-15 |
US20060055000A1 (en) | 2006-03-16 |
SG121099A1 (en) | 2006-04-26 |
CN1750276A (zh) | 2006-03-22 |
TW200629583A (en) | 2006-08-16 |
CA2517985A1 (en) | 2006-03-13 |
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