JP5002470B2 - パッケージ基板 - Google Patents
パッケージ基板 Download PDFInfo
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- JP5002470B2 JP5002470B2 JP2008019693A JP2008019693A JP5002470B2 JP 5002470 B2 JP5002470 B2 JP 5002470B2 JP 2008019693 A JP2008019693 A JP 2008019693A JP 2008019693 A JP2008019693 A JP 2008019693A JP 5002470 B2 JP5002470 B2 JP 5002470B2
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- Prior art keywords
- layer
- heat dissipation
- insulating layer
- electronic element
- package substrate
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- 239000000758 substrate Substances 0.000 title claims description 79
- 230000017525 heat dissipation Effects 0.000 claims description 104
- 239000002184 metal Substances 0.000 claims description 77
- 229910052751 metal Inorganic materials 0.000 claims description 77
- 238000005530 etching Methods 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 344
- 238000000034 method Methods 0.000 description 29
- 238000004519 manufacturing process Methods 0.000 description 20
- 239000000463 material Substances 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 10
- 239000011889 copper foil Substances 0.000 description 9
- 238000000465 moulding Methods 0.000 description 9
- 238000005498 polishing Methods 0.000 description 9
- 239000011810 insulating material Substances 0.000 description 8
- 239000011229 interlayer Substances 0.000 description 8
- 239000007788 liquid Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 238000003475 lamination Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- H01L23/3107—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape the device being completely enclosed
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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Description
120 第1絶縁層
130 放熱層
132 取付層
135 キャビティ
140、140’ 電子素子
150 第2絶縁層
Claims (6)
- 第1金属層と、
第1絶縁層を介在して前記第1金属層に積層され、前記第1絶縁層より大きい厚みの平板形状を有する熱伝導性材質の放熱層と、
前記放熱層の一部をエッチングして前記放熱層に形成されるキャビティと、
前記第1絶縁層に接するように前記キャビティに形成される熱伝導性材質の取付層と、
前記取付層に取付られる第1電子素子と、
前記取付層と前記放熱層から孤立する第1電極部と、
前記放熱層の少なくとも一部と前記キャビティとをカバーする第2絶縁層と、を備え、
前記第1電子素子から発生する熱が前記取付層を介して前記放熱層に伝達されるように、前記第1電子素子は前記取付層に接し、前記取付層は前記放熱層と連結され、
前記第1電子素子と前記第1電極部とは、ワイヤボンディングで電気的に接続され、
前記第1電極部は前記第1絶縁層を貫通するビアにより前記第1金属層と電気的に接続され、
前記取付層の厚みと前記第1電子素子の厚みとの和が、放熱層の厚みより小さく、前記取付層と前記放熱層とが連結される部分には段差が形成されることを特徴とするパッケージ基板。 - 前記第1電子素子が、発光素子であることを特徴とする請求項1に記載のパッケージ基板。
- 前記第2絶縁層が、透明な材質からなることを特徴とする請求項1または請求項2に記載のパッケージ基板。
- 前記第1電子素子の上面に取付られる第2電子素子と、
前記取付層及び前記放熱層から孤立する第2電極部と、をさらに備え、
前記第2電子素子と前記第2電極部とは、ワイヤボンディングで電気的に接続されることを特徴とする請求項1から請求項3までのいずれか1項に記載のパッケージ基板。 - 前記第2絶縁層に積層される第2金属層をさらに備え、
前記第2金属層には、前記第1電子素子から発生する光が選択的に透過するように所定のパターンが形成されることを特徴とする請求項2に記載のパッケージ基板。 - 前記第2絶縁層の、前記キャビティをカバーする部分には屈曲が形成されることを特徴とする請求項2に記載のパッケージ基板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020070015745A KR100802393B1 (ko) | 2007-02-15 | 2007-02-15 | 패키지 기판 및 그 제조방법 |
KR10-2007-0015745 | 2007-02-15 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2011269247A Division JP5592340B2 (ja) | 2007-02-15 | 2011-12-08 | パッケージ基板 |
Publications (2)
Publication Number | Publication Date |
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JP2008199011A JP2008199011A (ja) | 2008-08-28 |
JP5002470B2 true JP5002470B2 (ja) | 2012-08-15 |
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JP2011269247A Expired - Fee Related JP5592340B2 (ja) | 2007-02-15 | 2011-12-08 | パッケージ基板 |
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US (1) | US7903410B2 (ja) |
JP (2) | JP5002470B2 (ja) |
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2007
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-
2008
- 2008-01-30 US US12/010,879 patent/US7903410B2/en not_active Expired - Fee Related
- 2008-01-30 JP JP2008019693A patent/JP5002470B2/ja not_active Expired - Fee Related
- 2008-02-15 CN CN2008100079107A patent/CN101246861B/zh not_active Expired - Fee Related
- 2008-02-15 CN CN2010105198468A patent/CN102034770A/zh active Pending
- 2008-02-15 CN CN2010105198311A patent/CN102044444A/zh active Pending
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8564956B2 (en) | 2007-11-19 | 2013-10-22 | Nexxus Lighting, Incorporated | Apparatus and methods for thermal management of light emitting diodes |
US8858034B2 (en) | 2007-11-19 | 2014-10-14 | Revolution Lighting Technologies, Inc. | Apparatus and method for thermal dissipation in a light |
Also Published As
Publication number | Publication date |
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CN102044444A (zh) | 2011-05-04 |
CN102034770A (zh) | 2011-04-27 |
JP5592340B2 (ja) | 2014-09-17 |
US7903410B2 (en) | 2011-03-08 |
CN101246861B (zh) | 2011-07-27 |
KR100802393B1 (ko) | 2008-02-13 |
CN101246861A (zh) | 2008-08-20 |
US20080198552A1 (en) | 2008-08-21 |
JP2008199011A (ja) | 2008-08-28 |
JP2012049577A (ja) | 2012-03-08 |
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