JP7674331B2 - 端子および接続方法 - Google Patents
端子および接続方法 Download PDFInfo
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Description
1.第1の実施の形態
2.第2の実施の形態
3.第3の実施の形態
[半導体装置の構成]
図1は、本開示の第1の実施の形態に係る半導体装置の構成例を示す図である。同図の半導体装置1は、半導体チップ20が基板30に実装されて構成されたものである。
図2は、本開示の第1の実施の形態に係る端子の構成例を示す図である。同図は、端子10の構成例を表す図であり、図1の半導体装置1の端子10が配置される領域を拡大した図である。
図3は、本開示の実施の形態に係る単位格子の構成例を示す図である。同図は、単位格子100の構成例を表す図である。同図の単位格子100は、梁110と、可撓部材120と、補強部材140と、可撓部材連結部130とを備える。なお、同図の単位格子100には、連結部11も記載した。同図の破線の立方体101は、単位格子100の外形を表す補助線であり、単位格子100を構成するものではない。
図4は、本開示の実施の形態に係る端子の収縮の一例を示す図である。同図は、端子10の温度が上昇した際の連結された単位格子100の挙動を表す図である。また、同図は、連結部11により連結された単位格子100aおよび100bのそれぞれ1組の梁110、可撓部材120、可撓部材連結部130および補強部材140を表した図である。
図5は、本開示の実施の形態に係る端子の製造方法の一例を示す図である。同図は、端子10を製造する3Dプリンタ装置の例を表した図である。同図の3Dプリンタ装置は、試料保持部301と、材料搬送円盤302と、モータ303と、Z軸駆動モータ304と、材料供給部305と、ディスペンサ306と、画像出力部307と、レンズ308および反射板309からなる光学系と、制御部310とを備える。
上述の第1の実施の形態の端子10は、単一の熱膨張係数に構成されていた。これに対し、本開示の第2の実施の形態の端子は、異なる熱膨張係数に構成される端子領域が積層される点で、上述の第1の実施の形態と異なる。
図6は、本開示の第2の実施の形態に係る半導体装置の構成例を示す図である。同図は、図1と同様に、半導体装置1の構成例を表す図である。端子10の代わりに端子50が配置される点で、図1の半導体装置1と異なる。
上述の第1の実施の形態の端子10は、膜状の導電部材12が単位格子100および連結部11の表面に付着して配置されていた。これに対し、本開示の第3の実施の形態の端子は、導電部材が連結部11により連結された複数の単位格子100に充填される点で、上述の第1の実施の形態と異なる。
図7は、本開示の第3の実施の形態に係る端子の構成例を示す図である。同図は、図2と同様に、端子10の構成例を表す図である。接続部22および32が省略され、導電部材12の代わりに導電部材13が配置される点で、図2の端子10と異なる。
(1)複数の梁が立方体形状に接合されて形成された複数の単位格子と、
前記複数の単位格子のうちの隣接する単位格子を連結する連結部と
を具備し、
素子の電極と前記素子が実装される基板の電極との間に配置されて前記素子の電極と前記基板の電極とを電気的に接続する端子。
(2)前記梁は、樹脂により構成される前記(1)に記載の端子。
(3)前記連結部は、樹脂により構成される前記(1)または(2)に記載の端子。
(4)前記梁および前記連結部に隣接して配置されて導電性を有する導電部材をさらに具備する前記(1)から(3)の何れかに記載の端子。
(5)前記立方体形状の内側に膨出する棒状に構成されて前記梁の前記立方体形状の内側に配置されるとともに前記梁の両端の近傍に端部がそれぞれ接合されて温度が上昇した際に前記立方体形状の内側に撓む可撓部材と、
前記梁の中央部および前記可撓部材の中央部に接合されて前記梁および前記可撓部材を連結する可撓部材連結部と
をさらに具備し、
前記連結部は、前記隣接する単位格子のそれぞれの前記梁の中央部に接合されて前記隣接する単位格子を連結する
前記(1)から(4)の何れかに記載の端子。
(6)前記可撓部材は、前記梁より高い熱膨張係数に構成される前記(5)に記載の端子。
(7)前記可撓部材は、樹脂により構成される前記(5)に記載の端子。
(8)前記可撓部材連結部は、樹脂により構成される前記(5)に記載の端子。
(9)前記単位格子における立方体形状の中央を介して対向する2つの頂点において前記複数の梁と接合される補強部材をさらに具備する前記(1)から(8)の何れかに記載の端子。
(10)前記補強部材は、樹脂により構成される前記(9)に記載の端子。
(11)複数の梁が立方体形状に接合されて形成された複数の単位格子と前記複数の単位格子のうちの隣接する単位格子を連結する連結部とを具備する端子を素子の電極と前記素子が実装される基板の電極との間に配置して前記素子の電極と前記基板の電極とを電気的に接続する接続方法。
10、50 端子
11 連結部
12 導電部材
18、19 端子領域
20 半導体チップ
21 パッド
22、32 接続部
30 基板
31 ランド
100、100a、100b 単位格子
101 立方体
110 梁
120 可撓部材
130 可撓部材連結部
140 補強部材
Claims (11)
- 複数の梁が立方体形状に接合されて形成された複数の単位格子と、
前記複数の単位格子のうちの隣接する単位格子を連結する連結部と、
前記梁および前記連結部に隣接して配置されて導電性を有する導電部材と、を具備し、
素子の電極と前記素子が実装される基板の電極との間に配置されて前記素子の電極と前記基板の電極とを電気的に接続する端子。 - 前記梁は、樹脂により構成される請求項1記載の端子。
- 前記連結部は、樹脂により構成される請求項1または請求項2記載の端子。
- 前記立方体形状の内側に膨出する棒状に構成されて前記梁の前記立方体形状の内側に配置されるとともに前記梁の両端の近傍に端部がそれぞれ接合されて温度が上昇した際に前記立方体形状の内側に撓む可撓部材と、
前記梁の中央部および前記可撓部材の中央部に接合されて前記梁および前記可撓部材を連結する可撓部材連結部と
をさらに具備し、
前記連結部は、前記隣接する単位格子のそれぞれの前記梁の中央部に接合されて前記隣接する単位格子を連結する
請求項1~3のいずれか1項記載の端子。 - 前記可撓部材は、前記梁より高い熱膨張係数に構成される請求項4記載の端子。
- 前記可撓部材は、樹脂により構成される請求項4記載の端子。
- 前記可撓部材連結部は、樹脂により構成される請求項4記載の端子。
- 前記単位格子における立方体形状の中央を介して対向する2つの頂点において前記複数の梁と接合される補強部材をさらに具備する請求項1~7のいずれか1項記載の端子。
- 前記補強部材は、樹脂により構成される請求項8記載の端子。
- 複数の梁が立方体形状に接合されて形成された複数の単位格子と、
前記複数の単位格子のうちの隣接する単位格子を連結する連結部と、
を具備し、
前記梁および前記連結部は、金属粒子を添加した樹脂により構成されており、
素子の電極と前記素子が実装される基板の電極との間に配置されて前記素子の電極と前記基板の電極とを電気的に接続する端子。 - 複数の梁が立方体形状に接合されて形成された複数の単位格子と、前記複数の単位格子のうちの隣接する単位格子を連結する連結部と、前記梁および前記連結部に隣接して配置されて導電性を有する導電部材と、を具備する端子を、素子の電極と前記素子が実装される基板の電極との間に配置して、前記素子の電極と前記基板の電極とを電気的に接続する接続方法。
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