JP7394880B2 - 熱インジケータを備えた基板を含む電子部品 - Google Patents
熱インジケータを備えた基板を含む電子部品 Download PDFInfo
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- JP7394880B2 JP7394880B2 JP2021571424A JP2021571424A JP7394880B2 JP 7394880 B2 JP7394880 B2 JP 7394880B2 JP 2021571424 A JP2021571424 A JP 2021571424A JP 2021571424 A JP2021571424 A JP 2021571424A JP 7394880 B2 JP7394880 B2 JP 7394880B2
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Measuring Temperature Or Quantity Of Heat (AREA)
- Die Bonding (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
Description
6 例示的積層ダイパッケージ
10、10a、10b、10c 平面ダイアタッチ領域
20 外周領域
100 強化ポリマーラミネート
101 サブ領域
110 金めっきフィンガー、フィンガー
120 ボールパッド
130 はんだレジスト
140 OSP層
200、200a、200b、200c 熱インジケータ
201 ピンホール
210 溝部、窪み
220 基材、マトリクス材
230 感熱剤
601 ダイ
610 DAFフィルム
A 集積回路(IC)ダイ
Claims (18)
- 基板の前面にダイアタッチ領域および外周領域を含む前記基板と、
前記基板の累積熱暴露を監視するために、前記外周領域内に配設されている少なくとも1つの熱インジケータと
を含み、
前記熱インジケータは基材と感熱剤とを含み、
前記基材は多孔質構造を有する、電子部品。 - 前記基板にはパッケージ基板、配線板、またはプリント回路基板が含まれる、請求項1に記載の電子部品。
- 前記基板は強化ポリマーラミネートまたはポリイミド樹脂を含む、請求項1に記載の電子部品。
- 前記ダイアタッチ領域は配列状のサブ領域をさらに含む、請求項1に記載の電子部品。
- 集積回路(IC)ダイが、ダイアタッチフィルムを使用して、前記サブ領域の各々の中に接着結合されている、請求項4に記載の電子部品。
- 金めっきフィンガーが、前記サブ領域の各々において、前記ICダイの縁部に沿って設けられている、請求項5に記載の電子部品。
- 銅めっきはんだボールパッドが前記基板の裏面上に設けられている、請求項5に記載の電子部品。
- 有機性はんだ付け性防腐剤(OSP)層が前記銅めっきはんだボールパッドの各々の表面上に配設されている、請求項7に記載の電子部品。
- 前記OSP層の状態の減退または前記ダイアタッチフィルムの劣化と相関する所定の熱履歴限度に達すると、前記熱インジケータが信号を送る、請求項8に記載の電子部品。
- 前記基板は、位置決め目的のために複数のピンホールをさらに含み、前記複数のピンホールは前記外周領域内に配設されている、請求項1に記載の電子部品。
- 前記熱インジケータは、前記外周領域内に、前記基板の前記前面内へ窪みが作られている溝部内に配設されている、請求項1に記載の電子部品。
- 前記基材は前記溝部の内面に固定されており、経時的に熱サイクル中に除去されない、請求項11に記載の電子部品。
- 前記感熱剤は前記溝部内で前記基材により支持され、結合機構で前記基材に接合される、請求項11に記載の電子部品。
- 前記感熱剤はジアセチレン化合物と溶媒とを含む、請求項1に記載の電子部品。
- 前記感熱剤は染料断片、顔料、または着色剤をさらに含む、請求項14に記載の電子部品。
- 前記感熱剤は、イミダゾール、ベンズイミダゾール、およびそれらの誘導体などのアゾール化合物を含む、請求項1に記載の電子部品。
- 前記感熱剤は結合剤をさらに含む、請求項1に記載の電子部品。
- 前記感熱剤は、前記OSP層の蒸発温度におおよそ等しい蒸発温度を有する、請求項9に記載の電子部品。
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PCT/CN2019/105769 WO2021046818A1 (en) | 2019-09-12 | 2019-09-12 | Electronic component comprising substrate with thermal indicator |
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KR102663130B1 (ko) | 2024-05-07 |
US20210082838A1 (en) | 2021-03-18 |
CN110731008A (zh) | 2020-01-24 |
TWI723618B (zh) | 2021-04-01 |
KR20210154244A (ko) | 2021-12-20 |
WO2021046818A1 (en) | 2021-03-18 |
US11469153B2 (en) | 2022-10-11 |
JP2022535791A (ja) | 2022-08-10 |
CN110731008B (zh) | 2021-06-08 |
TW202111297A (zh) | 2021-03-16 |
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