JP5303097B2 - 熱硬化性光反射用樹脂組成物、ならびにこれを用いた光半導体搭載用基板とその製造方法および光半導体装置。 - Google Patents
熱硬化性光反射用樹脂組成物、ならびにこれを用いた光半導体搭載用基板とその製造方法および光半導体装置。 Download PDFInfo
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- JP5303097B2 JP5303097B2 JP2005370772A JP2005370772A JP5303097B2 JP 5303097 B2 JP5303097 B2 JP 5303097B2 JP 2005370772 A JP2005370772 A JP 2005370772A JP 2005370772 A JP2005370772 A JP 2005370772A JP 5303097 B2 JP5303097 B2 JP 5303097B2
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- AYJRCSIUFZENHW-DEQYMQKBSA-L barium(2+);oxomethanediolate Chemical compound [Ba+2].[O-][14C]([O-])=O AYJRCSIUFZENHW-DEQYMQKBSA-L 0.000 description 1
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- ZZTCPWRAHWXWCH-UHFFFAOYSA-N diphenylmethanediamine Chemical compound C=1C=CC=CC=1C(N)(N)C1=CC=CC=C1 ZZTCPWRAHWXWCH-UHFFFAOYSA-N 0.000 description 1
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- 239000011888 foil Substances 0.000 description 1
- ANSXAPJVJOKRDJ-UHFFFAOYSA-N furo[3,4-f][2]benzofuran-1,3,5,7-tetrone Chemical compound C1=C2C(=O)OC(=O)C2=CC2=C1C(=O)OC2=O ANSXAPJVJOKRDJ-UHFFFAOYSA-N 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- VANNPISTIUFMLH-UHFFFAOYSA-N glutaric anhydride Chemical compound O=C1CCCC(=O)O1 VANNPISTIUFMLH-UHFFFAOYSA-N 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
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- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
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- 125000002524 organometallic group Chemical group 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- AFEQENGXSMURHA-UHFFFAOYSA-N oxiran-2-ylmethanamine Chemical compound NCC1CO1 AFEQENGXSMURHA-UHFFFAOYSA-N 0.000 description 1
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- RQAGEUFKLGHJPA-UHFFFAOYSA-N prop-2-enoylsilicon Chemical compound [Si]C(=O)C=C RQAGEUFKLGHJPA-UHFFFAOYSA-N 0.000 description 1
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- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical compound [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
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- 239000005368 silicate glass Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
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- TXDNPSYEJHXKMK-UHFFFAOYSA-N sulfanylsilane Chemical compound S[SiH3] TXDNPSYEJHXKMK-UHFFFAOYSA-N 0.000 description 1
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- 239000004416 thermosoftening plastic Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- SRPWOOOHEPICQU-UHFFFAOYSA-N trimellitic anhydride Chemical compound OC(=O)C1=CC=C2C(=O)OC(=O)C2=C1 SRPWOOOHEPICQU-UHFFFAOYSA-N 0.000 description 1
- UKRDPEFKFJNXQM-UHFFFAOYSA-N vinylsilane Chemical compound [SiH3]C=C UKRDPEFKFJNXQM-UHFFFAOYSA-N 0.000 description 1
Images
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
- H01L2224/10—Bump connectors; Manufacturing methods related thereto
- H01L2224/15—Structure, shape, material or disposition of the bump connectors after the connecting process
- H01L2224/16—Structure, shape, material or disposition of the bump connectors after the connecting process of an individual bump connector
-
- 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
-
- 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
-
- 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
- H01L2224/73—Means for bonding being of different types provided for in two or more of groups H01L2224/10, H01L2224/18, H01L2224/26, H01L2224/34, H01L2224/42, H01L2224/50, H01L2224/63, H01L2224/71
- H01L2224/732—Location after the connecting process
- H01L2224/73251—Location after the connecting process on different surfaces
- H01L2224/73265—Layer and wire connectors
Landscapes
- Led Device Packages (AREA)
Description
下記表1に示す組成の材料を混練温度20〜30℃、混練時間10分の条件でロール混練し、実施例1〜3、比較例1および2の光反射用樹脂組成物を作製した。
※エポキシ樹脂:トリグリシジルイソシアヌレート(エポキシ当量100、日産化学社製、TEPIC−S)、硬化剤:ヘキサヒドロ無水フタル酸(新日本理化製、リカシッドHH)、硬化促進剤:テトラ−n−ブチルホスホニウム−o,o−ジエチルホスホロジチオエート(日本化学工業社製、ヒシリコーンPX−4ET)、無機充填剤:溶融シリカ(平均粒径20μm、電気化学工業社製、FB−950)、アルミナ(平均粒径1μm、アドマッテクス社製、AO−802)、カップリング剤:エポキシシラン(東レダウコーニング社製、SH6040)、酸化防止剤:9,10−ジヒドロ−9−オキサ−10−ホスファフェナントレン−10−オキシド(三光株式会社製、HCA)、白色顔料:ほう珪酸ガラスA(平均粒径27μm、住友3M社製、グラスバブルズS60HS)、ほう珪酸ガラスB(平均粒径10μm、旭硝子社製、ファインパールHSN−7H)、ほう珪酸ガラスC(平均粒径5μm、東海工業製、セルスターX−100)、ほう珪酸ガラスD(平均粒径135μm、住友3M社製、グラスバブルズK1)
各実施例及び各比較例の光反射用樹脂組成物を、金型温度180℃、キュア時間90秒の条件でトランスファー成形を行った後、150℃の温度で2時間ポストキュアを行うことによって厚み1.0mmのテストピースを作製した。ついで、各テストピースの、波長350〜800nmにおける光反射率を積分球型分光光度計V−570型(日本分光株式会社製)を用いて測定した。また、150℃、72時間熱処理後の各テストピースの光反射特性も合わせて評価した。評価基準は下記のとおりである。結果を表2に示す。
(光反射率の評価基準)
○:光反射率80%以上
△:光反射率70%以上、80%未満
×:光反射率70%未満
各実施例及び各比較例の光反射用樹脂組成物について、室温(25℃)でタブレット成型できるものを○、タブレット成型できないものを×として評価した。なお、タブレットの成型は、MTV−I−37((株)丸七鉄工所製、商品名)を用い、0.7MPa、2秒の条件で行った。結果を表2に示す。
101・・・・・(透明)封止樹脂
102・・・・・ボンディングワイヤ
103・・・・・リフレクター
104・・・・・Ni/Agめっき
105・・・・・金属配線
106・・・・・蛍光体
107・・・・・はんだバンプ
110・・・・・光半導体素子搭載用基板
200・・・・・光半導体素子搭載領域(凹部)
300・・・・・樹脂注入口
301・・・・・金型
400・・・・・LED素子
401・・・・・ワイヤボンド
402・・・・・透明封止樹脂
403・・・・・リフレクタ
404・・・・・リード
405・・・・・蛍光体
406・・・・・ダイボンド材
Claims (7)
- 光半導体素子搭載領域となる凹部が1つ以上形成されている光半導体素子搭載用基板であって、少なくとも前記凹部の内周側面が、熱硬化性光反射用樹脂組成物を用いたトランスファー成型により形成され、前記熱硬化性光反射用樹脂組成物が、(A)エポキシ樹脂及び(E)白色顔料を含有し、前記(E)白色顔料が無機中空粒子である、光半導体素子搭載用基板。
- 前記熱硬化性光反射用樹脂組成物が、さらに(D)無機充填剤を含有する請求項1に記載の光半導体素子搭載用基板。
- 前記熱硬化性光反射用樹脂組成物が、熱硬化後の、波長800nm〜350nmにおける光反射率が80%以上であり、熱硬化前には室温(25℃)で加圧成型可能である請求項1又は請求項2に記載の光半導体素子搭載用基板。
- 前記(D)無機充填剤が、シリカ、アルミナ、酸化マグネシウム、酸化アンチモン、水酸化アルミニウム、硫酸バリウム、炭酸マグネシウム、及び炭酸バリウムからなる群から選択される1種以上である請求項2又は請求項3に記載の光半導体素子搭載用基板。
- 前記(E)白色顔料の平均粒径が、1μm〜50μmの範囲にある請求項1〜4のいずれか1項記載の光半導体素子搭載用基板。
- 前記(D)無機充填剤と前記(E)白色顔料との合計量が、前記熱硬化性光反射用樹脂組成物全体に対して70体積%〜85体積%の範囲にある請求項2〜5のいずれか1項記載の光半導体素子搭載用基板。
- 請求項1〜6のいずれか1項記載の光半導体素子搭載用基板と、前記光半導体素子搭載用基板の凹部底面に搭載された光半導体素子と、前記光半導体素子を覆うように形成された封止樹脂と、を備えた光半導体装置。
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