JP6470677B2 - 封止された半導体発光デバイス - Google Patents
封止された半導体発光デバイス Download PDFInfo
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- JP6470677B2 JP6470677B2 JP2015502504A JP2015502504A JP6470677B2 JP 6470677 B2 JP6470677 B2 JP 6470677B2 JP 2015502504 A JP2015502504 A JP 2015502504A JP 2015502504 A JP2015502504 A JP 2015502504A JP 6470677 B2 JP6470677 B2 JP 6470677B2
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- layer
- metal layer
- metal
- light emitting
- wafer
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- H01L21/50—Assembly of semiconductor devices using processes or apparatus not provided for in a single one of the groups H01L21/18 - H01L21/326 or H10D48/04 - H10D48/07 e.g. sealing of a cap to a base of a container
- H01L21/56—Encapsulations, e.g. encapsulation layers, coatings
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- H01L21/6835—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
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- H10H20/01335—Manufacture or treatment of bodies, e.g. forming semiconductor layers having light-emitting regions comprising only Group III-V materials with a substrate not being Group III-V materials the light-emitting regions comprising nitride materials
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- H10H20/01—Manufacture or treatment
- H10H20/032—Manufacture or treatment of electrodes
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Description
Claims (13)
- 各発光半導体デバイスの構造体が、n型領域、p型領域、前記n型領域に直接的に接触する第1の金属コンタクト、および、前記p型領域に直接的に接触する第2の金属コンタクトを含んでいる、発光半導体デバイスのウェハを提供するステップと、
各発光半導体デバイスの前記第1の金属コンタクト上に第1金属層を形成するステップと、
各発光半導体デバイスの前記第2の金属コンタクト上に第2金属層を形成するステップと、
前記発光半導体デバイスのウェハとは別に支持基板のウェハを形成するステップであり、前記支持基板のウェハを形成するステップは、
本体を提供する段階と、
前記本体の上にパターン付けされたフォトレジストを形成する段階と、
前記パターン付けされたフォトレジストにおいて前記本体の上に導電層のスタックを形成する段階であり、前記スタックは、第3金属の下位層、および、前記第3金属とは異なる第4金属の上位層を含む、段階と、
前記導電層のスタックの中に間隔を形成するために前記パターン付けされたフォトレジストを除去する段階であり、前記間隔は前記下位層および前記上位層の両方を通じて延在している、段階と、
を含む、ステップと、
前記導電層のスタックの上部表面が前記発光半導体デバイスの構造体の向かい合う前記第1金属層の第1表面および前記発光半導体デバイスの構造体の向かい合う前記第2金属層の第2表面と接触する状態で、前記発光半導体デバイスのウェハ上に前記支持基板のウェハを位置合わせするステップと、
前記発光半導体デバイスのウェハ上で位置合わせされた前記支持基板のウェハを加熱するステップと、
を含む、方法。 - n型領域とp型領域との間に挟まれるIII窒化物発光層を含む半導体構造体と、
前記n型領域と直接的に接触する第1金属層および前記p型領域と直接的に接触する第2金属層と、
前記第1金属層と前記第2金属層に接触する第3金属層であり、前記半導体構造体を支持するように構成されている、第3金属層と、
前記第1金属層の上の前記第3金属層の第1部分を前記第2金属層の上の前記第3金属層の第2部分から電気的に絶縁するために、前記第3金属層における開口を埋める絶縁層と、
第4金属の下位層、および、前記第4金属とは異なる第5金属の上位層を含む1つまたはそれ以上の導電層のスタックであり、前記上位層は前記半導体構造体の向かい合う前記第3金属層の表面に接合されている、導電層のスタックと、
前記1つまたはそれ以上の導電層のスタックの間にあり、かつ、前記絶縁層の下に置かれた1つまたはそれ以上の間隔と、
ビアを含む本体であり、前記本体は前記1つまたはそれ以上の間隔それぞれの中に周囲ガスを封入するように前記1つまたはそれ以上の間隔を覆っており、前記ビアそれぞれは前記導電層のスタックのうち1つに接続された金属層を含んでいる、本体と、
を含む、発光半導体デバイスのウェハ。 - 前記第3金属層及び第4金属層は、少なくとも50μmの厚さである、請求項2に記載の発光半導体デバイスのウェハ。
- 前記第3金属層及び第4金属層は、前記第1金属層及び第2金属層の上でめっきされる、請求項2に記載の発光半導体デバイスのウェハ。
- 前記導電層のスタックは、さらに、前記第3金属及び前記第4金属とは異なる、第5金属の中間層を含む、
請求項1に記載の方法。 - 前記第3金属は、銅とニッケルから成るグループから選択された金属である、
請求項1に記載の方法。 - 前記第4金属は、金とスズのうち少なくとも1つを含み、かつ、
前記発光半導体デバイスのウェハとは別に支持基板のウェハを形成するステップは、さらに、前記支持基板のウェハをアニールする段階を含む、
請求項1に記載の方法。 - 前記第2金属層は、平面図において、前記p型領域を完全に覆う、
請求項1に記載の方法。 - 前記第1金属層及び前記第2金属層は、同時に形成される、
請求項1に記載の方法。 - 前記第1金属層及び前記第2金属層は厚さを有し、前記厚さは、前記第1金属層及び前記第2金属層と向かい合う前記発光半導体デバイスの側面から成長基板を後に除去する最中に、前記発光半導体デバイスに対して支持を提供するように構成されている、
請求項1に記載の方法。 - 前記第1金属層及び前記第2金属層の厚さは、100μmより大きい、
請求項1に記載の方法。 - 前記方法は、さらに、
前記第1金属層と前記第2金属層との間で前記発光半導体デバイスのウェハ上に絶縁層を形成するステップであり、前記絶縁層は前記第2金属層から前記第1金属層を電気的に絶縁している、ステップ、を含み、
前記発光半導体デバイスのウェハ上に前記支持基板のウェハを位置合わせするステップは、前記発光半導体デバイスの構造体の向かい合う前記絶縁層の表面を前記間隔の上に置くステップ、を含む、
請求項1に記載の方法。 - 前記発光半導体デバイスのウェハ上で位置合わせされた前記支持基板のウェハを加熱するステップの後で、前記発光半導体デバイスの構造体の向かい合う前記絶縁層の表面は、周囲ガスだけと完全に接触している、
請求項12に記載の方法。
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| PCT/IB2013/052290 WO2013144801A1 (en) | 2012-03-30 | 2013-03-22 | Sealed semiconductor light emitting device. |
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2013
- 2013-03-22 EP EP13722081.0A patent/EP2831930B1/en active Active
- 2013-03-22 KR KR1020147030395A patent/KR102129146B1/ko active Active
- 2013-03-22 US US14/387,591 patent/US10020431B2/en active Active
- 2013-03-22 CN CN201380018252.0A patent/CN104205366B/zh active Active
- 2013-03-22 WO PCT/IB2013/052290 patent/WO2013144801A1/en not_active Ceased
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- 2013-03-22 JP JP2015502504A patent/JP6470677B2/ja active Active
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2018
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Also Published As
| Publication number | Publication date |
|---|---|
| US10020431B2 (en) | 2018-07-10 |
| US20150076538A1 (en) | 2015-03-19 |
| JP2018191016A (ja) | 2018-11-29 |
| WO2013144801A1 (en) | 2013-10-03 |
| EP2831930A1 (en) | 2015-02-04 |
| US20180323353A1 (en) | 2018-11-08 |
| KR102129146B1 (ko) | 2020-07-02 |
| CN104205366B (zh) | 2018-08-31 |
| CN109994586A (zh) | 2019-07-09 |
| CN104205366A (zh) | 2014-12-10 |
| EP2831930B1 (en) | 2018-09-19 |
| JP2015514319A (ja) | 2015-05-18 |
| CN109994586B (zh) | 2022-06-03 |
| KR20150002717A (ko) | 2015-01-07 |
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