JP5030372B2 - 半導体発光デバイス用の実装 - Google Patents
半導体発光デバイス用の実装 Download PDFInfo
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- JP5030372B2 JP5030372B2 JP2004218432A JP2004218432A JP5030372B2 JP 5030372 B2 JP5030372 B2 JP 5030372B2 JP 2004218432 A JP2004218432 A JP 2004218432A JP 2004218432 A JP2004218432 A JP 2004218432A JP 5030372 B2 JP5030372 B2 JP 5030372B2
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- submount
- light emitting
- semiconductor light
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- conductive
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- 239000004065 semiconductor Substances 0.000 title claims description 26
- 229910000679 solder Inorganic materials 0.000 claims description 59
- 239000000758 substrate Substances 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 17
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000010931 gold Substances 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 7
- 229910052737 gold Inorganic materials 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052759 nickel Inorganic materials 0.000 claims description 3
- 239000004332 silver Substances 0.000 claims description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 2
- 229910052697 platinum Inorganic materials 0.000 claims description 2
- 238000000034 method Methods 0.000 description 18
- 229910052710 silicon Inorganic materials 0.000 description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 13
- 239000010703 silicon Substances 0.000 description 13
- 230000008878 coupling Effects 0.000 description 11
- 238000010168 coupling process Methods 0.000 description 11
- 238000005859 coupling reaction Methods 0.000 description 11
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 10
- 238000010438 heat treatment Methods 0.000 description 5
- 238000005476 soldering Methods 0.000 description 5
- 239000004593 Epoxy Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 229910052745 lead Inorganic materials 0.000 description 4
- 150000002739 metals Chemical class 0.000 description 4
- 230000006798 recombination Effects 0.000 description 4
- 238000005215 recombination Methods 0.000 description 4
- 229910052718 tin Inorganic materials 0.000 description 4
- 238000009736 wetting Methods 0.000 description 4
- 229910045601 alloy Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052738 indium Inorganic materials 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001652 electrophoretic deposition Methods 0.000 description 2
- 238000000407 epitaxy Methods 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000001465 metallisation Methods 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 229910017755 Cu-Sn Inorganic materials 0.000 description 1
- 229910017927 Cu—Sn Inorganic materials 0.000 description 1
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 1
- 229910020174 Pb-In Inorganic materials 0.000 description 1
- 229910020220 Pb—Sn Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910000905 alloy phase Inorganic materials 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052797 bismuth Inorganic materials 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001962 electrophoresis Methods 0.000 description 1
- 238000004924 electrostatic deposition Methods 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 125000003700 epoxy group Chemical group 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052733 gallium Inorganic materials 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- 229910021478 group 5 element Inorganic materials 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- KDLHZDBZIXYQEI-UHFFFAOYSA-N palladium Substances [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000002277 temperature effect Effects 0.000 description 1
- 238000005382 thermal cycling Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
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Description
既存の設計は、ハンダ付可能層を有する電気コンタクト内にワイヤボンドを取付けることによって電流経路を形成する。ワイヤボンドは、ハンダ付可能層上に形成され、ワイヤ130−1及び130−2が接続されるボール126−1及び126−2からなる。その結果、ワイヤは、発光デバイスのパッケージのパッケージリード線132−1及び132−2に接続可能となる。サブマウント及びダイ自体は、基板134に、ダイエポキシによって取付けられる。
110 ダイ
114 表面実装可能サブマウント
118−1 p−ハンダ付可能層
118−2 n−ハンダ付可能層
122−1、122−2 相互接続部
132−1、132−2 パッケージリード線
138−1、138−2 ハンダ領域
Claims (18)
- 半導体発光デバイスとサブマウントとを備えるデバイスであって、
前記半導体発光デバイスが、
n型層と、
p型層と、
前記n型層と前記p型層との間に配置される活性領域と、
前記n型層に電気的に接続されるn−コンタクトと、
前記p型層に電気的に接続され、前記n−コンタクトが形成される前記半導体発光デバイスの側と同じ側に形成されるp−コンタクトと、
を備え、
前記サブマウントが、前記サブマウントの第1の側の第1及び第2の導電領域と、前記サブマウントの第2の側の第3及び第4の導電領域とを備え、
前記半導体発光デバイスのn−コンタクト及びp−コンタクトが、フリップチップ構成の状態で、前記サブマウントの第1及び第2の導電領域に電気的及び物理的に接続され、
前記第1及び第3の導電領域が、第1の導電層によって電気的に接続され、前記第2及び第4の導電領域が、第2の導電層によって電気的に接続され、
前記第1及び第2の導電層が、前記サブマウント内部に配置され、かつ該第1及び第2の導電層の少なくとも一方が、前記サブマウントの半導体領域を取り囲む
ことを特徴とするデバイス。 - 前記第1及び第2の導電領域が、金、銀、ニッケル、白金、及び銅からなる群から選択される材料を含むことを特徴とする請求項1に記載のデバイス。
- 前記第1及び第2の導電層が、金属層であることを特徴とする請求項1に記載のデバイス。
- 前記第1及び第2の導電層が銅を含むことを特徴とする請求項1に記載のデバイス。
- 前記サブマウントが、半導体領域と非半導体領域とを備えることを特徴とする請求項1に記載のデバイス。
- 前記半導体領域に形成された回路を更に備えることを特徴とする請求項5に記載のデバイス。
- 前記非半導体領域がガラスを含むことを特徴とする請求項5に記載のデバイス。
- 基板と、
前記基板を前記第3及び第4の導電領域に接続するハンダ接合部と、
を更に備える請求項1に記載のデバイス。 - 前記半導体発光デバイスが、400×400μm 2 より大きい面積を有することを特徴とする請求項1に記載のデバイス。
- 前記半導体発光デバイスが、少なくとも50A/cm2の電流密度で動作可能であることを特徴とする請求項1に記載のデバイス。
- 前記半導体発光デバイスが、1×1mm 2 以上の面積を有することを特徴とする請求項1に記載のデバイス。
- 前記半導体発光デバイスが、1W以上の電力消費で動作可能であることを特徴とする請求項1に記載のデバイス。
- 前記第1及び第2の導電領域を含む前記サブマウントの表面にワイヤボンドパッドがないことを特徴とする請求項1に記載のデバイス。
- サブマウントの反対側の半導体発光デバイスの表面に重なるルミネセンス材料層を更に備える請求項1に記載のデバイス。
- 前記ルミネセンス材料層が、前記半導体発光デバイスの側部表面に重なることを特徴とする請求項14に記載のデバイス。
- 前記第1、第2、第3、及び第4の導電領域が各々、ハンダ付可能層を備える請求項1に記載のデバイス。
- 前記半導体発光デバイスが、400×400μm 2 より小さい面積を有することを特徴とする請求項1に記載のデバイス。
- 前記半導体発光デバイスが、5mAから100mAの電流で動作可能であることを特徴とする請求項1に記載のデバイス。
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JP3412152B2 (ja) * | 1999-06-08 | 2003-06-03 | サンケン電気株式会社 | 半導体発光装置 |
US6486499B1 (en) | 1999-12-22 | 2002-11-26 | Lumileds Lighting U.S., Llc | III-nitride light-emitting device with increased light generating capability |
US6514782B1 (en) * | 1999-12-22 | 2003-02-04 | Lumileds Lighting, U.S., Llc | Method of making a III-nitride light-emitting device with increased light generating capability |
JP2002118294A (ja) * | 2000-04-24 | 2002-04-19 | Nichia Chem Ind Ltd | フリップチップ型発光ダイオード及び製造方法 |
JP2002094123A (ja) * | 2000-09-14 | 2002-03-29 | Citizen Electronics Co Ltd | 表面実装型発光ダイオード及びその製造方法 |
US20020070387A1 (en) * | 2000-12-07 | 2002-06-13 | Bily Wang | Focusing cup on a folded frame for surface mount optoelectric semiconductor package |
JP5110744B2 (ja) * | 2000-12-21 | 2012-12-26 | フィリップス ルミレッズ ライティング カンパニー リミテッド ライアビリティ カンパニー | 発光装置及びその製造方法 |
JP2002289923A (ja) * | 2001-03-28 | 2002-10-04 | Toyoda Gosei Co Ltd | 発光ダイオード及びその製造方法 |
US6630692B2 (en) * | 2001-05-29 | 2003-10-07 | Lumileds Lighting U.S., Llc | III-Nitride light emitting devices with low driving voltage |
US20030057421A1 (en) * | 2001-09-27 | 2003-03-27 | Tzer-Perng Chen | High flux light emitting diode having flip-chip type light emitting diode chip with a transparent substrate |
US6531328B1 (en) * | 2001-10-11 | 2003-03-11 | Solidlite Corporation | Packaging of light-emitting diode |
JP2003158301A (ja) * | 2001-11-22 | 2003-05-30 | Citizen Electronics Co Ltd | 発光ダイオード |
JP2004006498A (ja) * | 2002-05-31 | 2004-01-08 | Toyoda Gosei Co Ltd | Iii族窒化物系化合物半導体発光素子 |
TW554553B (en) * | 2002-08-09 | 2003-09-21 | United Epitaxy Co Ltd | Sub-mount for high power light emitting diode |
-
2003
- 2003-07-31 US US10/632,719 patent/US6876008B2/en not_active Expired - Lifetime
-
2004
- 2004-07-26 EP EP04103571A patent/EP1503433A3/en not_active Withdrawn
- 2004-07-27 JP JP2004218432A patent/JP5030372B2/ja not_active Expired - Fee Related
- 2004-07-28 TW TW093122563A patent/TWI377706B/zh not_active IP Right Cessation
-
2011
- 2011-12-19 JP JP2011277222A patent/JP5432234B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1503433A2 (en) | 2005-02-02 |
US20050023548A1 (en) | 2005-02-03 |
JP5432234B2 (ja) | 2014-03-05 |
EP1503433A3 (en) | 2011-03-09 |
TW200511612A (en) | 2005-03-16 |
JP2005057265A (ja) | 2005-03-03 |
US6876008B2 (en) | 2005-04-05 |
TWI377706B (en) | 2012-11-21 |
JP2012060173A (ja) | 2012-03-22 |
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