JP4663471B2 - 半導体素子内蔵型多層回路基板 - Google Patents
半導体素子内蔵型多層回路基板 Download PDFInfo
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- JP4663471B2 JP4663471B2 JP2005286441A JP2005286441A JP4663471B2 JP 4663471 B2 JP4663471 B2 JP 4663471B2 JP 2005286441 A JP2005286441 A JP 2005286441A JP 2005286441 A JP2005286441 A JP 2005286441A JP 4663471 B2 JP4663471 B2 JP 4663471B2
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- HZXMRANICFIONG-UHFFFAOYSA-N gallium phosphide Chemical compound [Ga]#P HZXMRANICFIONG-UHFFFAOYSA-N 0.000 description 1
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- 230000006872 improvement Effects 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
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- 229910052763 palladium Inorganic materials 0.000 description 1
- ZMLDXWLZKKZVSS-UHFFFAOYSA-N palladium tin Chemical compound [Pd].[Sn] ZMLDXWLZKKZVSS-UHFFFAOYSA-N 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
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- 229910052700 potassium Inorganic materials 0.000 description 1
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical compound [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 description 1
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- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 description 1
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Images
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—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
- H01L24/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L24/23—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
- H01L24/24—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect 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
- H01L2224/18—High density interconnect [HDI] connectors; Manufacturing methods related thereto
- H01L2224/23—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process
- H01L2224/24—Structure, shape, material or disposition of the high density interconnect connectors after the connecting process of an individual high density interconnect connector
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01006—Carbon [C]
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01013—Aluminum [Al]
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01019—Potassium [K]
-
- 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
- H01L2924/01—Chemical elements
- H01L2924/01074—Tungsten [W]
-
- 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
- H01L2924/013—Alloys
- H01L2924/0132—Binary Alloys
- H01L2924/01322—Eutectic Alloys, i.e. obtained by a liquid transforming into two solid phases
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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Production Of Multi-Layered Print Wiring Board (AREA)
Description
このように、半導体素子と絶縁性基材の熱膨張差を小さくすることにより、凹部内に収容した半導体素子と絶縁性基材との密着力が阻害されたり、凹部内における半導体素子の安定性が悪くなるようなことがなくなる。
しかも、両者の熱膨張差が小さいと、半導体素子内蔵型基板の複数を重ね合わせたのち、一体化させたときの位置ずれがなくなり、多層回路基板の品質が向上する。
そして、複数個の半導体素子内蔵型基板を積層して一体化する際、積層された半導体素子内蔵型基板どうしは、導電性バンプによって電気的に接続される。
以下、半導体素子内蔵型基板の構成をさらに詳しく説明する。
スルーホールと半導体素子とは、この半導体素子上に形成された電極パッドとスルーホールに対応して形成されたスルーホールパッドとの間に導体配線を形成することにより電気的に接続される。この導体配線は、半導体素子と絶縁性基材の表面を被覆しかつ前記各パッドに対応した位置に開口部を設けてなる絶縁層の表面に沿って形成され、スルーホールパッドと電極パッドとを電気的に接続する。この導体配線によって半導体素子内蔵型基板内の電気的な接続が行われる。
即ち、このような半導体素子内蔵型基板は、ほぼ同じ構造を有する他の半導体素子内蔵型基板と共に積層され、必要に応じて接着剤を介して、一体化され、高密度化および高機能化された多層回路基板にされる。
なお、導電性ペーストとしては、金属粒子に、エポキシ樹脂などの熱硬化性樹脂や、ポリフェニレンスルフィド(PPS)樹脂を加えた有機系導電性ペーストが好ましい。
前記共重合体を合成する場合の単量体としては、例えば、エチレン、プロピレンなどがある。その中でも熱硬化性シクロオレフィン系樹脂であることが望ましい。加熱を行って架橋を形成させることにより、より剛性が高くなり機械的特性が向上するからである。
この他に、導電性バンプは、低融点金属であるはんだペーストを印刷する方法や、はんだめっきを行う方法、あるいははんだ溶融液に浸漬する方法によって形成することができる。上記低融点金属としては、Pb−Sn系はんだ、Ag−Sn系はんだ、インジウムはんだ等を使用することができる。
ここで、有機系接着剤の溶剤としては、NMP、DMF、アセトン、エタノールを用いることができる。
上記接着剤層の厚さは、5〜50μmが望ましい。接着剤層は、取扱が容易になるため、予備硬化(プレキュア)しておくことが好ましい。
本発明にかかる半導体素子内蔵型多層回路基板は、下記(1)〜(17)の工程にしたがって製造する。なお、特性を、表1にまとめて示した。
(1)ドクターブレード法を用いて、酸化アルミニウムグリーンシート10を得た(図1(a)参照)。
絶縁性基材として、LTCCを用いた以外は、上記実施例1と同様にして半導体素子内蔵型多層回路基板を製造した。各特性は、表1に示したとおりである。
本実施例では、絶縁性基材の板厚と凹部の厚さを変えた以外は、実施例1と同様にして半導体素子内蔵型多層回路基板を製造した。各特性は、表1に示したとおりである。
本比較例では、絶縁性基材として面方向の熱膨張率が15×10-5/Kのガラス・エポキシ樹脂複合材料を用いた以外は、実施例1と同様にして半導体素子内蔵型多層回路基板を製造した。各特性は表1に示したとおりである。
10 グリーンシート
16 スルーホール用貫通孔
17 PETフィルム
20 充填スルーホール
25 半導体素子収容凹部
26 半導体素子
27 電極パッド
30 樹脂絶縁層
32、34 開口
40 スルーホールパッド
42 接続配線パターン
44 導電性バンプ
46 接着剤層
50A〜50D 半導体素子内蔵基板
Claims (2)
- 酸化物系セラミックス、炭化物系セラミックス、珪化物系セラミックス、硼化物系セラミックスおよび低温焼成セラミックス(LTCC)のうちの、少なくとも1種以上からなる無機材料の絶縁性基材に設けた凹部内に半導体素子を収容してなる半導体素子内蔵型基板の複数個を積層して形成した多層回路基板であって、前記凹部内底部の厚みが10〜250μmで、その凹部内に収容された半導体素子の表面と、該絶縁性基材の表面との段差が10μm以内であると共に、前記絶縁性基材の熱膨張率と前記半導体素子の熱膨張率との、20〜300℃の温度域における差が、1×10−5/K未満であり、かつ、前記半導体素子内蔵型基板は、絶縁性基材の上下面を電気的に接続するためのスルーホール、そのスルーホールに対応して設けられたスルーホールパッドとを有し、半導体素子はその表面に電極パッドを有し、半導体素子と絶縁性基材との表面は、絶縁層が被覆され、この絶縁層の表面に沿って導体配線が形成され、該導体配線が、絶縁層の前記各パッドに対応した位置に設けられた、めっき充填されてなる開口部を介して前記スルーホールパッドと電極パッドとを電気的に接続していることを特徴とする半導体素子内蔵型多層回路基板。
- 半導体素子内蔵型基板どうしが、導電性バンプによって電気的に接続されてなることを特徴とする請求項1に記載の半導体素子内蔵型多層回路基板。
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US11/529,319 US8389867B2 (en) | 2005-09-30 | 2006-09-29 | Multilayered circuit substrate with semiconductor device incorporated therein |
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Citations (6)
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JP2001244408A (ja) * | 2000-02-25 | 2001-09-07 | Kyocera Corp | 半導体装置 |
JP2002170924A (ja) * | 2000-11-29 | 2002-06-14 | Kyocera Corp | 積層型半導体装置および実装基板 |
JP2003068907A (ja) * | 2001-08-29 | 2003-03-07 | Nec Corp | 高周波機能モジュール及びその多層実装構造 |
JP2003218282A (ja) * | 2002-01-18 | 2003-07-31 | Ibiden Co Ltd | 半導体素子内蔵基板および多層回路基板 |
JP2005217134A (ja) * | 2004-01-29 | 2005-08-11 | Kyocera Corp | 複合配線基板及び複合配線基板装置 |
JP2005268701A (ja) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | 半導体装置、半導体装置の製造方法、これを用いた積層モジュールおよびその製造方法 |
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JP2001244408A (ja) * | 2000-02-25 | 2001-09-07 | Kyocera Corp | 半導体装置 |
JP2002170924A (ja) * | 2000-11-29 | 2002-06-14 | Kyocera Corp | 積層型半導体装置および実装基板 |
JP2003068907A (ja) * | 2001-08-29 | 2003-03-07 | Nec Corp | 高周波機能モジュール及びその多層実装構造 |
JP2003218282A (ja) * | 2002-01-18 | 2003-07-31 | Ibiden Co Ltd | 半導体素子内蔵基板および多層回路基板 |
JP2005217134A (ja) * | 2004-01-29 | 2005-08-11 | Kyocera Corp | 複合配線基板及び複合配線基板装置 |
JP2005268701A (ja) * | 2004-03-22 | 2005-09-29 | Matsushita Electric Ind Co Ltd | 半導体装置、半導体装置の製造方法、これを用いた積層モジュールおよびその製造方法 |
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