JP5721969B2 - 光半導体装置のリフレクタ用エポキシ樹脂組成物およびそれを用いて得られる光半導体装置用リードフレーム、ならびに光半導体装置 - Google Patents
光半導体装置のリフレクタ用エポキシ樹脂組成物およびそれを用いて得られる光半導体装置用リードフレーム、ならびに光半導体装置 Download PDFInfo
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- JP5721969B2 JP5721969B2 JP2010133458A JP2010133458A JP5721969B2 JP 5721969 B2 JP5721969 B2 JP 5721969B2 JP 2010133458 A JP2010133458 A JP 2010133458A JP 2010133458 A JP2010133458 A JP 2010133458A JP 5721969 B2 JP5721969 B2 JP 5721969B2
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- optical semiconductor
- semiconductor device
- epoxy resin
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- resin composition
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Classifications
-
- 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
- H01L2224/48151—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
- H01L2224/48245—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 metallic
- H01L2224/48247—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 metallic 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
- H01L2924/30—Technical effects
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Description
およびそれを用いて得られる光半導体装置用リードフレーム、ならびに光半導体装置に関するものである。
(A)エポキシ樹脂。
(B)硬化剤。
(C)ルチル型酸化チタン。
トリグリシジルイソシアヌレート(エポキシ当量:100)
4−メチルヘキサヒドロ無水フタル酸(酸当量:168)
ルチル型、平均粒径0.21μm
〔酸化チタンb〕
アナタース型、平均粒径0.18μm
球状溶融シリカ、平均粒径23μm
9,10−ジヒドロ−9−オキサ−10−ホスファフェナントレン−10−オキサイド
テトラ−n−ブチルホスホニウム−o,o−ジエチルホスホロンジチオエート
後記の表1に示す各成分を同表に示す割合で配合し、ビーカー中で溶融混合を行い、熟成した後、室温(25℃)まで冷却して粉砕することにより目的とする粉末状のエポキシ樹脂組成物を作製した。
上記各エポキシ樹脂組成物を用い、厚み1mmの試験片を所定の硬化条件(条件:150℃×4分間の成形+150℃×3時間キュア)にて作製し、この試験片(硬化物)を用いて、初期および180℃で3時間放置後の反射率をそれぞれ測定した。なお、測定装置として日本分光社製の分光光度計V−670を使用して、波長450nmの光反射率を室温(25℃)にて測定した。
上記各エポキシ樹脂組成物を用い、厚み1mmの試験片を所定の硬化条件(条件:150℃×4分間の成形+150℃×3時間キュア)にて作製し、動的粘弾性測定器(RSA−III、Reometric社製)を用いて、30℃とガラス転移温度(Tg)+30℃での各値を測定した。得られた各貯蔵弾性率(E′)のデータを各温度の弾性率とした。なお、上記ガラス転移温度(Tg)は、上記各エポキシ樹脂組成物を用い、厚み1mmの試験片を所定の硬化条件(条件:150℃×4分間の成形+150℃×3時間キュア)にて作製し、熱機械分析装置〔セイコーインスツルメンツインク(SII)社製、EXSTAR6000〕を用いて測定した。得られたデータよりtanδのピーク最大値の温度をガラス転移温度(Tg)とした。
つぎに、上記実施例品である粉末状のエポキシ樹脂組成物を用いて、図1に示す構成の光半導体装置を製造した。すなわち、42アロイ(Agメッキ)製のリードフレーム1上に光半導体素子(大きさ:0.3mm×0.3mm)2が搭載され、金属リードフレーム1上に形成された電極回路と光半導体素子2とをボンディングワイヤー4にて電気的に接続したものを準備した。ついで、これをトランスファー成形機に投入し、上記エポキシ樹脂組成物を用いたトランスファー成形を行なうことにより、図1に示す、リフレクタ3と、金属リードフレーム1と、金属リードフレーム1上に搭載された光半導体素子2とを備えたユニットとなる光半導体装置を製造した(成形条件:150℃×4分間の成形+150℃×3時間キュア)。得られた光半導体装置は問題の無い良好なものが得られた。
2 光半導体素子
3 リフレクタ
4 ボンディングワイヤー
Claims (3)
- 下記の(A)〜(C)成分を含有し、かつ無機質充填剤[下記(C)成分を除く]を含有しない光半導体装置のリフレクタ用エポキシ樹脂組成物であって、下記の(C)成分であるルチル型酸化チタンの含有量が、エポキシ樹脂組成物全体の10〜50重量%の範囲に設定されていることを特徴とする光半導体装置のリフレクタ用エポキシ樹脂組成物。
(A)エポキシ樹脂。
(B)硬化剤。
(C)ルチル型酸化チタン。 - 光半導体素子搭載領域を備え、その少なくとも一部で素子搭載領域の周囲を囲んだ状態でリフレクタが形成されてなる光半導体装置用リードフレームであって、上記リフレクタが、請求項1記載の光半導体装置のリフレクタ用エポキシ樹脂組成物を用いてトランスファー成形により形成されてなることを特徴とする光半導体装置用リードフレーム。
- 請求項2記載の光半導体装置用リードフレームの所定位置に光半導体素子が搭載されてなることを特徴とする光半導体装置。
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