JP5856293B2 - 発光装置およびその製造方法 - Google Patents
発光装置およびその製造方法 Download PDFInfo
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- JP5856293B2 JP5856293B2 JP2014515891A JP2014515891A JP5856293B2 JP 5856293 B2 JP5856293 B2 JP 5856293B2 JP 2014515891 A JP2014515891 A JP 2014515891A JP 2014515891 A JP2014515891 A JP 2014515891A JP 5856293 B2 JP5856293 B2 JP 5856293B2
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- Prior art keywords
- layer
- emitting device
- gan
- light emitting
- tin
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- 239000010931 gold Substances 0.000 claims description 51
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- 239000004332 silver Substances 0.000 claims description 28
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- 229910052697 platinum Inorganic materials 0.000 claims description 26
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- 229910001020 Au alloy Inorganic materials 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- 229910001128 Sn alloy Inorganic materials 0.000 description 2
- 230000004913 activation Effects 0.000 description 2
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- 238000005229 chemical vapour deposition Methods 0.000 description 2
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- AXAZMDOAUQTMOW-UHFFFAOYSA-N dimethylzinc Chemical compound C[Zn]C AXAZMDOAUQTMOW-UHFFFAOYSA-N 0.000 description 2
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- 150000003378 silver Chemical class 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
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- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 239000011256 inorganic filler Substances 0.000 description 1
- 229910003475 inorganic filler Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052987 metal hydride Inorganic materials 0.000 description 1
- 150000004681 metal hydrides Chemical class 0.000 description 1
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- 238000002310 reflectometry Methods 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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- 150000003608 titanium Chemical class 0.000 description 1
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 1
- 230000005533 two-dimensional electron gas Effects 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Classifications
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- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/62—Arrangements for conducting electric current to or from the semiconductor body, e.g. lead-frames, wire-bonds or solder balls
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- H01L33/0093—Wafer bonding; Removal of the growth substrate
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- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/10—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies with a light reflecting structure, e.g. semiconductor Bragg reflector
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- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/36—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the electrodes
- H01L33/40—Materials therefor
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Description
Claims (16)
- 基板と、
前記基板に隣接し、錫のマイグレーションを防ぐ第1チタニウム層を含む第1バリアメタル層と、
前記第1チタニウム層に接し、前記錫を含む接合層と、
前記接合層に接し前記錫のマイグレーションを防ぐ第2チタニウム層を含む非反応性の第2バリアメタル層と、
前記第2バリアメタル層に隣接し、銀のマイグレーションを防ぐ白金層を含む封入層と、
前記封入層により封じられ、前記銀を含む反射層と、
前記反射層に隣接した電流ブロッキング層と、
前記反射層および前記電流ブロッキング層に隣接し、p形層とn形層との間に活性層を有する発光構造と、
を備えた発光装置。 - 前記封入層は、ニッケルを含む請求項1記載の発光装置。
- 前記接合層は、複数の層を含み、
前記複数の層のうちの1つは、第1の金属材料と、錫を含有する第2の金属材料と、を含む第1の金属層である請求項1または2に記載の発光装置。 - 前記接合層は、前記第1の金属材料からなる第2の金属層と、前記第1の金属材料からなる第3の金属層と、をさらに含み、
前記第1の金属層は、前記第2の金属層と前記第3の金属層との間に設けられる請求項3に記載の発光装置。 - 前記n形層は、第1GaN層、第2GaN層、および、前記第1GaN層と前記第2GaN層との間の介在層を含む請求項1〜4のいずれか1つに記載の発光装置。
- 前記介在層は、シリコンをドープしたAlGaN層を含む請求項5記載の発光装置。
- 前記介在層は、前記第1GaN層よりも薄く、前記第2GaN層よりも薄い請求項5または6に記載の発光装置。
- 前記介在層は、6.2eV未満のバンドギャップを有する請求項5〜7のいずれか1つに記載の発光装置。
- 前記n形層は、複数の前記介在層を含む請求項5〜8のいずれか1つに記載の発光装置。
- 接合層を溶融させることによりデバイス構造を有するウェーハに基板を接合し、ウェーハ接合構造を形成する発光装置の製造方法であって、
前記ウェーハ接合構造は、
前記基板に隣接し、錫のマイグレーションを防ぐ第1チタニウム層を含む第1バリアメタル層と、
前記第1チタニウム層に接し、前記錫を含む接合層と、
前記接合層に接し前記錫のマイグレーションを防ぐ第2チタニウム層を含む非反応性の第2バリアメタル層と、
前記第2バリアメタル層に隣接し、銀のマイグレーションを防ぐ白金層を含む封入層と、
前記封入層により封じられ、前記銀を含む反射層と、
前記反射層に隣接した電流ブロッキング層と、
前記反射層および前記電流ブロッキング層に隣接し、p形層とn形層との間に活性層を有する発光構造と、
を有する発光装置の製造方法。 - 前記接合層を溶融し、前記ウェーハ接合構造を形成するために、前記基板の温度を、摂氏280度を超えるまで上昇させ、1分を超える時間の間、摂氏280度を超えた前記温度を維持する請求項10記載の発光装置の製造方法。
- 前記発光構造は、シリコン基板上に配置され、
前記活性層は、インジウム及びガリウムを含み、
前記接合層は、金を含む請求項10または11に記載の発光装置の製造方法。 - 前記接合層は、金の第1サブレイヤー、金/錫の第2サブレイヤー、及び金の第3サブレイヤーを含む請求項10〜12のいずれか1つに記載の発光装置の製造方法。
- 前記発光構造と前記基板との間の白金のトータル厚さが200ナノメートル未満である請求項10〜13のいずれか1つに記載の発光装置の製造方法。
- 前記接合層は複数の層を含むように形成され、
前記複数の層のうちの1つは、第1の金属材料と、前記錫を含む第2の金属材料と、を含む第1の金属層である請求項10〜14のいずれか1つに記載の発光装置の製造方法。 - 前記接合層は、前記第2の金属層、前記第3の金属層、および、前記第2の金属層と前記第3の金属層との間の前記第1の金属層と、を含む請求項15記載の発光装置の製造方法。
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TW201312813A (zh) | 2013-03-16 |
KR20130140137A (ko) | 2013-12-23 |
WO2013019319A3 (en) | 2013-09-12 |
US9343641B2 (en) | 2016-05-17 |
JP2014522584A (ja) | 2014-09-04 |
US20130032846A1 (en) | 2013-02-07 |
CN103636009A (zh) | 2014-03-12 |
WO2013019319A2 (en) | 2013-02-07 |
KR101547414B1 (ko) | 2015-08-25 |
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