JP5425095B2 - 発光ダイオードの製造方法 - Google Patents
発光ダイオードの製造方法 Download PDFInfo
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- JP5425095B2 JP5425095B2 JP2010540577A JP2010540577A JP5425095B2 JP 5425095 B2 JP5425095 B2 JP 5425095B2 JP 2010540577 A JP2010540577 A JP 2010540577A JP 2010540577 A JP2010540577 A JP 2010540577A JP 5425095 B2 JP5425095 B2 JP 5425095B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 30
- 229910052751 metal Inorganic materials 0.000 claims description 277
- 239000002184 metal Substances 0.000 claims description 277
- 239000000758 substrate Substances 0.000 claims description 184
- 239000004065 semiconductor Substances 0.000 claims description 156
- 229910052594 sapphire Inorganic materials 0.000 claims description 31
- 239000010980 sapphire Substances 0.000 claims description 31
- 238000005530 etching Methods 0.000 claims description 9
- 238000000059 patterning Methods 0.000 claims description 6
- 239000010410 layer Substances 0.000 description 400
- 230000001681 protective effect Effects 0.000 description 22
- 229910052737 gold Inorganic materials 0.000 description 21
- 238000000034 method Methods 0.000 description 16
- 230000000052 comparative effect Effects 0.000 description 15
- 229910052718 tin Inorganic materials 0.000 description 15
- 230000008569 process Effects 0.000 description 12
- 229910052709 silver Inorganic materials 0.000 description 11
- 229910052759 nickel Inorganic materials 0.000 description 9
- 239000002356 single layer Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 7
- 238000002310 reflectometry Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 6
- 239000000956 alloy Substances 0.000 description 6
- 230000004888 barrier function Effects 0.000 description 6
- 238000005253 cladding Methods 0.000 description 6
- 229910052738 indium Inorganic materials 0.000 description 6
- 239000011777 magnesium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 238000009792 diffusion process Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000002248 hydride vapour-phase epitaxy Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 238000000206 photolithography Methods 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 3
- 229910052719 titanium Inorganic materials 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000001451 molecular beam epitaxy Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 239000012071 phase Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910001316 Ag alloy Inorganic materials 0.000 description 1
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910002601 GaN Inorganic materials 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/01—Manufacture or treatment
- H10H20/011—Manufacture or treatment of bodies, e.g. forming semiconductor layers
- H10H20/018—Bonding of wafers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L25/00—Assemblies consisting of a plurality of semiconductor or other solid state devices
- H01L25/03—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes
- H01L25/04—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers
- H01L25/075—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00
- H01L25/0753—Assemblies consisting of a plurality of semiconductor or other solid state devices all the devices being of a type provided for in a single subclass of subclasses H10B, H10F, H10H, H10K or H10N, e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group H10H20/00 the devices being arranged next to each other
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/84—Coatings, e.g. passivation layers or antireflective coatings
- H10H20/841—Reflective coatings, e.g. dielectric Bragg reflectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/42—Wire connectors; Manufacturing methods related thereto
- H01L2224/47—Structure, shape, material or disposition of the wire connectors after the connecting process
- H01L2224/49—Structure, shape, material or disposition of the wire connectors after the connecting process of a plurality of wire connectors
- H01L2224/491—Disposition
- H01L2224/49105—Connecting at different heights
- H01L2224/49107—Connecting at different heights on the semiconductor or solid-state body
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H20/00—Individual inorganic light-emitting semiconductor devices having potential barriers, e.g. light-emitting diodes [LED]
- H10H20/80—Constructional details
- H10H20/85—Packages
- H10H20/858—Means for heat extraction or cooling
- H10H20/8581—Means for heat extraction or cooling characterised by their material
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10H—INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- H10H29/00—Integrated devices, or assemblies of multiple devices, comprising at least one light-emitting semiconductor element covered by group H10H20/00
- H10H29/10—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00
- H10H29/14—Integrated devices comprising at least one light-emitting semiconductor component covered by group H10H20/00 comprising multiple light-emitting semiconductor components
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Led Devices (AREA)
- Led Device Packages (AREA)
Description
サファイアで形成した犠牲基板の上で半導体層を成長させた後、支持基板としてサファイア基板を使用し、犠牲基板を分離することで製造した発光ダイオード。
サファイアで形成した基板の上で半導体層を成長させた後、基板を分離することなく、当該基板を使用して製造した発光ダイオード。
サファイアで形成した犠牲基板の上で半導体層を成長させた後、支持基板としてSi基板を使用し、犠牲基板を分離して製造した発光ダイオード。
サファイアで形成した犠牲基板の上で半導体層を成長させた後、支持基板としてCu基板を使用し、犠牲基板を分離して製造した発光ダイオード。
Claims (5)
- 第1の基板上にバッファ層、第1の導電性半導体層、活性層及び第2の導電性半導体層を含む複数の半導体層を形成し、
前記第2の半導体層の上に屈折率が異なる二つ以上の絶縁層を多重層に交互に積層し、
所定のパターンにより、積層した前記絶縁層をエッチングして、複数のDBR層を部分的に形成し、
前記第2の導電性半導体層上及び前記複数のDBR層上に金属パターンを形成し、
前記金属パターン上に第1のボンディング金属層を形成し、
前記第1の基板と同種の第2の基板上に第2のボンディング金属層を形成し、
前記第1のボンディング金属層と前記第2のボンディング金属層とを互いに対向するように接合させ、
前記第1の基板を前記複数の半導体層から分離し、
互いに分離した複数の金属パターン及び前記それぞれ分離した複数の金属パターンの一部領域の上に位置する発光セルを形成するために、前記複数の半導体層及び前記金属パターンをパターニングし、
個別の集積回路を提供するために、前記発光セル別に前記第2の基板をダイシングし、
前記第1の基板及び前記第2の基板はサファイア基板であることを含む発光ダイオードの製造方法。 - 前記金属パターンを形成することは、
前記第2の導電性半導体層の上に互いに分離した各反射金属層を形成し、
前記第2の導電性半導体層及び前記複数の反射金属層を覆う媒介金属層を形成することを含む請求項1に記載の発光ダイオードの製造方法。 - 前記金属パターンの上に前記第2の基板を形成する前に、
前記第2の基板の上部又は下部に複数の溝又は貫通ホールを形成し、
前記溝又は貫通ホールに金属層を形成することをさらに含む請求項1に記載の発光ダイオードの製造方法。 - 第1の基板上にバッファ層、第1の導電性半導体層、活性層及び第2の導電性半導体層を含む複数の半導体層を形成し、
前記第2の半導体層の上に屈折率が異なる二つ以上の絶縁層を多重層に交互に積層し、
所定のパターンにより、積層した前記絶縁層をエッチングして、複数のDBR層を部分的に形成し、
前記第2の導電性半導体層上及び前記複数のDBR層上に金属パターンを形成し、
前記金属パターン上に第1のボンディング金属層を形成し、
前記第1の基板と同種の第2の基板上に第2のボンディング金属層を形成し、
前記第1のボンディング金属層と前記第2のボンディング金属層とを互いに対向するように接合させ、
前記第1の基板を前記各半導体層から分離し、
分離した複数の金属パターン及び前記それぞれ分離した金属パターンの一部領域の上に位置する複数の発光セルを形成するために、前記複数の半導体層及び前記金属パターンをパターニングし、
前記複数の発光セルの上部表面と、前記複数の発光セルの上部表面に隣接した複数の金属パターンとを電気的に接続する複数の金属配線を形成し、
前記第1の基板及び前記第2の基板はサファイア基板であることを含む発光ダイオードの製造方法。 - 前記金属パターンを形成することは、
前記第2の導電性半導体層の上に互いに分離した複数の反射金属層を形成し、
前記第2の導電性半導体層及び前記複数の反射金属層を覆う媒介金属層を形成することを含む請求項4に記載の発光ダイオードの製造方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2007-0140605 | 2007-12-28 | ||
KR20070140605 | 2007-12-28 | ||
KR1020080131071A KR20090072980A (ko) | 2007-12-28 | 2008-12-22 | 발광 다이오드 및 그 제조방법 |
KR10-2008-0131071 | 2008-12-22 | ||
PCT/KR2008/007658 WO2009084857A2 (en) | 2007-12-28 | 2008-12-24 | Light emitting diode and method of fabricating the same |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013048522A Division JP5559376B2 (ja) | 2007-12-28 | 2013-03-11 | 発光ダイオード |
Publications (2)
Publication Number | Publication Date |
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JP2011508445A JP2011508445A (ja) | 2011-03-10 |
JP5425095B2 true JP5425095B2 (ja) | 2014-02-26 |
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ID=41330148
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2010540577A Expired - Fee Related JP5425095B2 (ja) | 2007-12-28 | 2008-12-24 | 発光ダイオードの製造方法 |
JP2013048522A Expired - Fee Related JP5559376B2 (ja) | 2007-12-28 | 2013-03-11 | 発光ダイオード |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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JP2013048522A Expired - Fee Related JP5559376B2 (ja) | 2007-12-28 | 2013-03-11 | 発光ダイオード |
Country Status (3)
Country | Link |
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US (2) | US8395166B2 (ja) |
JP (2) | JP5425095B2 (ja) |
KR (1) | KR20090072980A (ja) |
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JP5559376B2 (ja) | 2014-07-23 |
JP2013145911A (ja) | 2013-07-25 |
US20100289040A1 (en) | 2010-11-18 |
JP2011508445A (ja) | 2011-03-10 |
KR20090072980A (ko) | 2009-07-02 |
US8628983B2 (en) | 2014-01-14 |
US20120135551A1 (en) | 2012-05-31 |
US8395166B2 (en) | 2013-03-12 |
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