JP2008218932A - 半導体素子搭載用基板およびその製造方法 - Google Patents
半導体素子搭載用基板およびその製造方法 Download PDFInfo
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- JP2008218932A JP2008218932A JP2007057931A JP2007057931A JP2008218932A JP 2008218932 A JP2008218932 A JP 2008218932A JP 2007057931 A JP2007057931 A JP 2007057931A JP 2007057931 A JP2007057931 A JP 2007057931A JP 2008218932 A JP2008218932 A JP 2008218932A
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- Prior art keywords
- semiconductor element
- element mounting
- mounting substrate
- semiconductor
- dummy pattern
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 204
- 239000000758 substrate Substances 0.000 title claims abstract description 73
- 238000004519 manufacturing process Methods 0.000 title claims description 14
- 229920005989 resin Polymers 0.000 claims abstract description 23
- 239000011347 resin Substances 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims description 10
- 239000004020 conductor Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 35
- 235000011837 pasties Nutrition 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 description 31
- 239000010949 copper Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000003822 epoxy resin Substances 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000008646 thermal stress Effects 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 229910000679 solder Inorganic materials 0.000 description 3
- 239000011888 foil Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
【解決手段】樹脂材を基材1として形成され、半導体素子11が搭載される半導体素子搭載領域2および複数の配線パターン3を有する半導体素子搭載用基板101(101A)において、半導体素子搭載領域2内に、配線パターン3に電気的に接続しないダミーパターン8が前記半導体素子11の下面に対向するように枠状に形成される。枠状のダミーパターン8によって、半導体素子11直下の接着剤12が流出することを抑え、接着剤12量を確保することができ、半導体素子11直下に空気を巻き込むことも防止できる。
【選択図】図1
Description
図6(a)に示す半導体素子搭載用基板101は、複数の半導体装置を一括で製造するために用いられるもので、ガラスエポキシ樹脂等を基材として形成されており、複数の装置領域102を縦横に配列するとともに、かかる複数の装置領域102の配列を複数組、スリット103を挟んで配置している。
図1(a)は本発明の実施形態1の半導体素子搭載用基板の平面図、図1(b)(c)はそれぞれ同半導体素子搭載用基板の一部を拡大して示す平面図および断面図、図1(d)は同半導体素子搭載用基板を用いた半導体装置の断面図である。
まず、図2(a)に示すように、基材1の表裏面に、複数の配線パターン3を形成するとともに、半導体素子搭載領域2に枠状のダミーパターン8を形成する。このためには、銅等の金属箔を表面に形成した基材1上に、フォトレジスト等からなる樹脂皮膜(図示せず)を所望形状に形成し、それをマスクとして金属箔をエッチング(ドライ或いはウェット)する。
次に、図2(e)に示すように、配線パターン3を外部環境から保護するために、電極部4以外の部分は絶縁樹脂膜7で被覆する。ダミーパターン8も絶縁樹脂膜7で被覆することになる。
2 半導体素子搭載領域
3 配線パターン
5 ビア
7 絶縁樹脂膜
8 ダミーパターン
11 半導体素子
12 接着剤
13 ボンディングワイヤー
101 半導体素子搭載用基板
101A 半導体素子搭載用基板
Claims (7)
- 樹脂材を基材として形成され、半導体素子が搭載される半導体素子搭載領域および前記半導体素子と電気的に接続するための複数の配線パターンを有する半導体素子搭載用基板において、
前記半導体素子搭載領域内に前記配線パターンに電気的に接続しないダミーパターンが前記半導体素子の下面に対向するように枠状に形成されていることを特徴とする半導体素子搭載用基板。 - ダミーパターンは、前記配線パターンと同一の導体材料により前記配線パターンから絶縁して形成されるか、あるいは絶縁材料で形成されていることを特徴とする請求項1に記載の半導体素子搭載用基板。
- ダミーパターンが配線パターンよりも厚く形成されていることを特徴とする請求項1記載の半導体素子搭載用基板。
- 複数のダミーパターンが互いに内外に位置するように形成されていることを特徴とする請求項1記載の半導体素子搭載用基板。
- 半導体素子搭載領域の中央により近いダミーパターンがより厚く形成されていることを特徴とする請求項4記載の半導体素子搭載用基板。
- 半導体素子を搭載する半導体素子搭載領域を一主面に設けた樹脂基材に、前記半導体素子との電気的接続のための複数の配線パターンを必要箇所で互いに接続させて形成する工程と、前記配線パターンを被覆して外部環境から保護する絶縁樹脂を形成する工程とを有する半導体素子搭載用基板の製造方法において、
前記半導体素子搭載領域内に、前記配線パターンに電気的に接続しないダミーパターンを、前記半導体素子の下面に対向する枠状に形成する工程を含むことを特徴とする半導体素子搭載用基板の製造方法。 - ダミーパターンを形成する工程は、配線パターンを形成する工程内で同一導体材料を用いて行なうか、あるいは絶縁樹脂を形成する工程内で同一樹脂材料を用いて行なうことを特徴とする請求項6記載の半導体素子搭載用基板の製造方法。
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JPH05226385A (ja) * | 1992-02-17 | 1993-09-03 | Toshiba Corp | 半導体装置の実装方法 |
JP2002368156A (ja) * | 2001-06-11 | 2002-12-20 | Oki Electric Ind Co Ltd | 半導体装置及びその製造方法 |
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JP3638771B2 (ja) * | 1997-12-22 | 2005-04-13 | 沖電気工業株式会社 | 半導体装置 |
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JPS5520285A (en) * | 1978-08-01 | 1980-02-13 | Daiichi Taika Renga Kk | Blast furnace water slag based hydraulic cement |
JPH01228137A (ja) * | 1988-03-09 | 1989-09-12 | Nec Corp | 混成集積回路用配線基板 |
JPH05109786A (ja) * | 1991-10-18 | 1993-04-30 | Fujitsu Ltd | 半導体チツプの実装構造 |
JPH05226385A (ja) * | 1992-02-17 | 1993-09-03 | Toshiba Corp | 半導体装置の実装方法 |
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