JP7091598B2 - 発光装置の製造方法 - Google Patents
発光装置の製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 38
- 239000004065 semiconductor Substances 0.000 claims description 80
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 49
- 229910052710 silicon Inorganic materials 0.000 claims description 49
- 239000010703 silicon Substances 0.000 claims description 49
- 229920005989 resin Polymers 0.000 claims description 45
- 239000011347 resin Substances 0.000 claims description 45
- 238000000034 method Methods 0.000 claims description 27
- 238000005530 etching Methods 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000005304 joining Methods 0.000 claims description 8
- 235000012431 wafers Nutrition 0.000 claims 10
- 238000001020 plasma etching Methods 0.000 description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 150000004767 nitrides Chemical class 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- 229910052801 chlorine Inorganic materials 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
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- 238000004070 electrodeposition Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- 229920000647 polyepoxide Polymers 0.000 description 1
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Description
本発明は、発光部の位置精度を高くできる発光装置の製造方法を提供することを目的とする。
Claims (8)
- シリコン基板と、前記シリコン基板に設けられ、発光層を含む半導体層とを有する第1ウェーハを準備する工程と、
基板と、前記基板に設けられた第1電極とを有する第2ウェーハを準備する工程と、
前記半導体層と前記第1電極とが電気的に接続するように、前記第1ウェーハの前記半導体層が設けられた側の面と、前記第2ウェーハの前記第1電極が設けられた側の面とを接合する工程と、
前記シリコン基板をエッチングし、前記シリコン基板の第1部分を平面視において前記第1電極と重なる領域に残す工程と、
前記第1部分をマスクにして前記半導体層をエッチングし、前記第1部分と前記第1電極との間に前記半導体層の一部を発光部として残す工程と、
前記第1部分の側面、および前記発光部の側面を樹脂層で覆う工程と、
前記第1部分を除去し、前記発光部を露出させる工程と、
前記発光部を露出させる工程の後、前記発光部に透光性導電膜を形成する工程と、
を備えた発光装置の製造方法。 - 前記第1ウェーハの前記半導体層が設けられた側の面と、前記第2ウェーハの前記第1電極が設けられた側の面とを接合する前記工程において、前記半導体層と前記第1電極との間に導電性の接合層を介在させて、前記第1ウェーハと前記第2ウェーハとを接合する請求項1記載の発光装置の製造方法。
- 前記半導体層の前記一部を前記発光部として残す前記工程の後、前記第1部分をマスクにして前記接合層をエッチングし、前記発光部と前記第1電極との間に前記接合層の一部を接合部として残す工程を備えた請求項2記載の発光装置の製造方法。
- 前記発光部に設けられた前記透光性導電膜に波長変換部材を形成する工程をさらに備えた請求項1~3のいずれか1つに記載の発光装置の製造方法。
- 前記第2ウェーハは、前記基板に設けられた第2電極を有し、
前記樹脂層には、前記第2電極に達する貫通孔が設けられ、
前記透光性導電膜を形成する前記工程において、前記樹脂層の表面および前記貫通孔の側面に前記透光性導電膜を形成し、前記透光性導電膜を前記第2電極に接続させる請求項1~4のいずれか1つに記載の発光装置の製造方法。 - 前記第1部分を平面視において前記第1電極と重なる領域に残す前記工程は、平面視において前記第2電極と重なる領域に前記シリコン基板の第2部分を残すことを含み、
前記半導体層の前記一部を前記発光部として残す前記工程は、前記第2部分をマスクにして前記半導体層をエッチングし、前記第2部分と前記第2電極との間に前記半導体層の他の一部を残すことを含み、
前記第1部分の側面、および前記発光部の側面を前記樹脂層で覆う前記工程は、前記第2部分の側面、および前記半導体層の前記他の一部の側面を前記樹脂層で覆うことを含み、
前記第1部分を除去し、前記発光部を露出させる前記工程は、前記第2部分を除去し、前記半導体層の前記他の一部を露出させることを含み、
前記第1部分を除去し、前記発光部を露出させる前記工程の後、前記半導体層の前記他の一部を除去することで、前記貫通孔を形成する工程をさらに備えた請求項5記載の発光装置の製造方法。 - 前記第1部分を平面視において前記第1電極と重なる領域に残す前記工程において、前記シリコン基板をエッチングし、前記シリコン基板の複数の第1部分を平面視において前記第1電極と重なる領域に残し、
前記半導体層の前記一部を前記発光部として残す前記工程において、複数の前記第1部分をマスクにして前記半導体層をエッチングし、複数の前記第1部分と前記第1電極との間に前記半導体層の一部を複数の発光部として残す請求項1~6のいずれか1つに記載の発光装置の製造方法。 - 前記シリコン基板をエッチングする前記工程の前に、前記シリコン基板を薄くする工程をさらに備えた請求項1~7のいずれか1つに記載の発光装置の製造方法。
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
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US20140034984A1 (en) | 2011-03-02 | 2014-02-06 | Azzurro Semiconductors Ag | Semiconductor light emitter device |
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