JP2011228672A - 発光素子搭載基板およびこの基板を用いた発光装置 - Google Patents
発光素子搭載基板およびこの基板を用いた発光装置 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
- H01L33/58—Optical field-shaping elements
- H01L33/60—Reflective elements
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/48—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor body packages
-
- 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
- H01L2224/44—Structure, shape, material or disposition of the wire connectors prior to the connecting process
- H01L2224/45—Structure, shape, material or disposition of the wire connectors prior to the connecting process of an individual wire connector
- H01L2224/45001—Core members of the connector
- H01L2224/45099—Material
- H01L2224/451—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof
- H01L2224/45138—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron (B), silicon (Si), germanium (Ge), arsenic (As), antimony (Sb), tellurium (Te) and polonium (Po), and alloys thereof the principal constituent melting at a temperature of greater than or equal to 950°C and less than 1550°C
- H01L2224/45144—Gold (Au) as principal constituent
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- 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
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/4805—Shape
- H01L2224/4809—Loop shape
- H01L2224/48091—Arched
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- 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
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48135—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip
- H01L2224/48137—Connecting between different semiconductor or solid-state bodies, i.e. chip-to-chip the bodies being arranged next to each other, e.g. on a common substrate
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- 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
- H01L2224/48—Structure, shape, material or disposition of the wire connectors after the connecting process of an individual wire connector
- H01L2224/481—Disposition
- H01L2224/48151—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive
- H01L2224/48221—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked
- H01L2224/48225—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation
- H01L2224/48227—Connecting between a semiconductor or solid-state body and an item not being a semiconductor or solid-state body, e.g. chip-to-substrate, chip-to-passive the body and the item being stacked the item being non-metallic, e.g. insulating substrate with or without metallisation connecting the wire to a bond pad of the item
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/15—Details of package parts other than the semiconductor or other solid state devices to be connected
- H01L2924/181—Encapsulation
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Abstract
【解決手段】発光素子が搭載される搭載面を有する基板本体と、この基板本体の搭載面の一部に形成される銀を含む反射層と、この反射層上に形成されたガラスとセラミックスフィラーとで構成されるガラス質絶縁層とを有し、このガラス質絶縁層が300μmスパンにおいて5μm以下の表面うねりであることを特徴とする発光素子搭載用基板。
【選択図】図1
Description
このガラス質絶縁層はガラスとセラミックスフィラーとを含む層であると好ましい。ここで使用するガラスの一例としては、酸化物基準のmol%表示で、SiO2を20〜85%、B2O3を0〜40%、Al2O3を0〜20%、MgO、CaO、SrOおよびBaOから選ばれる少なくとも1種を0〜50%、Na2OおよびK2Oの少なくとも一方を0〜16%含有するものである。
まず、発光素子搭載用基板の基板本体1を作製するためのグリーンシートを作製した。グリーンシートは、SiO2が60.4mol%、B2O3が15.6mol%、Al2O3が6mol%、CaOが15mol%、K2Oが1mol%、Na2Oが2mol%となるように原料を配合、混合し、この原料混合物を白金ルツボに入れて1600℃で60分間溶融させた後、この溶融状態のガラスを流し出し冷却した。このガラスをアルミナ製ボールミルにより40時間粉砕して基板本体用ガラス粉末を製造した。なお、粉砕時の溶媒にはエチルアルコールを用いた。
表1に示した例1〜7で得られた発光装置について以下の方法で熱抵抗を測定した。
発光装置における発光素子搭載用基板の熱抵抗を、熱抵抗測定器(嶺光音電機社製、商品名:TH−2167)を用いて測定した。なお、印加電流は35mAとし、電圧降下が飽和する時間まで通電し、降下した電圧と発光素子の温度−電圧降下特性から導かれる温度係数によって飽和温度を算出し、熱抵抗を求めた。
2:導体層(反射層)
3:ガラス質絶縁層
4:ビア導体
5:封止樹脂(蛍光体層)
6:発光素子
7:ボンディングワイヤ
8:金メッキ層
Claims (6)
- 発光素子が搭載される搭載面を有する基板本体と、この基板本体の搭載面の一部に形成される銀を含む反射層と、この反射層上に形成されたガラスとセラミックスフィラーとで構成されるガラス質絶縁層とを有し、このガラス質絶縁層の端部から測定した最大うねりが5μm以下であることを特徴とする発光素子搭載用基板。
- 前記最大うねりが、前記ガラス質絶縁層の端部から300μmまでの距離でのものであることを特徴とする請求項1記載の発光素子搭載用基板。
- 前記ガラス質絶縁層が、平均粒径2.5μm以下のセラミックスフィラーを40体積%以下含有する請求項1または2記載の発光素子搭載用基板。
- 前記基板本体上に前記発光素子用の端子部が形成され、この端子部を除く領域に前記ガラス質絶縁層が形成されている請求項1〜3のいずれか1項に記載の発光素子搭載用基板。
- 前記搭載面が前記基板本体に形成された凹部である請求項1〜4のいずれか1項に記載の発光素子搭載用基板。
- 請求項1〜5のいずれか1項に記載の発光素子搭載用基板の前記ガラス質絶縁層上に発光素子が搭載され、前記発光素子を覆うように形成される蛍光体層を有する発光装置。
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Country Status (6)
Country | Link |
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US (1) | US20110241049A1 (ja) |
EP (1) | EP2381496A1 (ja) |
JP (1) | JP2011228672A (ja) |
KR (1) | KR20110111243A (ja) |
CN (1) | CN102214775A (ja) |
TW (1) | TW201143168A (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2013254820A (ja) * | 2012-06-06 | 2013-12-19 | Stanley Electric Co Ltd | 発光素子搭載用基板および発光装置 |
JP2014094840A (ja) * | 2012-11-07 | 2014-05-22 | Asahi Glass Co Ltd | ガラスペースト、ガラス被覆基板、およびガラス被覆基板の製造方法 |
US9232655B2 (en) | 2013-12-24 | 2016-01-05 | Nichia Corporation | Wiring substrate and light emitting device |
JP2017126714A (ja) * | 2016-01-15 | 2017-07-20 | 東芝ライテック株式会社 | 発光装置 |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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Also Published As
Publication number | Publication date |
---|---|
KR20110111243A (ko) | 2011-10-10 |
CN102214775A (zh) | 2011-10-12 |
TW201143168A (en) | 2011-12-01 |
EP2381496A1 (en) | 2011-10-26 |
US20110241049A1 (en) | 2011-10-06 |
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