JP2008288591A - 積み重ね型パッケージ集積回路デバイスと、その製造方法 - Google Patents
積み重ね型パッケージ集積回路デバイスと、その製造方法 Download PDFInfo
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Abstract
【解決手段】第一のパッケージ集積回路デバイス12Aと、第一のパッケージ集積回路デバイス12Aの上に置かれた第二のパッケージ集積回路デバイス12Bと、第一と第二のパッケージ集積回路デバイス12A、12Bを互いに導電的に接続する複数の平面型導電性材料52と、を含むデバイス。平面型導電性材料52はリードフレーム上の複数の延長部で、積み重ねられたパッケージ集積回路デバイス12A、12Bの導電性端子28を導電的に接続した後、互いに単独化するためにリードフレームから分断される。
【選択図】図1
Description
路デバイス12Aと第二のパッケージ回路デバイス12Bはほぼ同じパッケージサイズを持つ。さらに、本開示の方法を用いて、積み重ねられたダイパッケージ10は、図1に示された例示的なパッケージデバイス12Aと12Bの二つ以上を含む。例えば、3個から5個のパッケージ集積回路デバイスを、本開示の構造および方法を用いて、一つの積み重ね10として配置できる。
長部54に設けて、延長部54からパッケージ集積回路デバイス12A、12Bへの接続をつくってもよい。
Claims (22)
- 第一のパッケージされた集積回路デバイスと、
前記第一のパッケージされた集積回路デバイスの上に置かれた第二のパッケージされた集積回路デバイスと、
前記第一と第二のパッケージされた集積回路デバイスを互いに導電的に接続する複数の平面型導電性部材と、
を含むデバイス。 - 前記平面型導電性部材のそれぞれが、前記第一のパッケージされた集積回路デバイスの上面に近接して形成される導電性端子と、前記第二のパッケージされた集積回路の下面に近接して形成される導電性端子との間に配置されて、各導電性端子に導電的に接続する、請求項1のデバイス。
- 前記第一と第二のパッケージされた集積回路デバイスが同じ型の集積回路デバイスを含む、請求項1のデバイス。
- 前記第一と第二のパッケージされた集積回路デバイスが異なる型の集積回路デバイスを含む、請求項1のデバイス。
- 前記平面型導電性部材がリードフレーム延長部である、請求項1のデバイス。
- 複数の前記導電性部材のそれぞれが外縁を有し、前記外縁は前記第一と第二のパッケージされた集積回路デバイスの少なくとも一方の外縁とほぼ一直線に並ぶ、請求項1のデバイス。
- 上から見た場合、前記平面型導電性部材がほぼ方形の構成となる、請求項6のデバイス。
- 第一のパッケージされた集積回路デバイスと、
前記第一のパッケージされた集積回路デバイスの上に置かれた第二のパッケージされた集積回路デバイスと、
前記第一と第二のパッケージされた集積回路デバイスを互いに導電的に接続させている複数の導電性部材と
を含み、前記複数の導電性部材のそれぞれが外縁を有し、前記外縁は前記第一と第二のパッケージされた集積回路デバイスの少なくとも一方の外縁とほぼ一直線に並ぶ、
ことを特徴とするデバイス。 - 前記導電性部材のそれぞれが、前記第一のパッケージされた集積回路デバイスの上面に近接して形成される導電性端子と、前記第二のパッケージされた集積回路の下面に近接して形成される導電性端子との間に配置されて、各導電性端子に導電的に接続する、請求項8のデバイス。
- 前記導電性部材がリードフレーム延長部である請求項9のデバイス。
- 第一のパッケージされた集積回路デバイスと、
前記第一のパッケージされた集積回路デバイスの上に置かれた第二のパッケージされた集積回路デバイスと、
前記第一と第二のパッケージされた集積回路デバイスと互いに導電的に接続する複数のリードフレーム延長部と
を含み、
前記リードフレーム延長部のそれぞれが、前記第一のパッケージされた集積回路デバイスの上面に近接して形成される導電性端子と、前記第二のパッケージされた集積回路の下面に近接して形成される導電性端子との間に配置されて、各導電性端子に導電的に接続しており、また、
前記複数のリードフレーム延長部のそれぞれが外縁を有し、前記外縁は前記第一と第二のパッケージされた集積回路デバイスの両方の外縁とほぼ一直線に並ぶ、
ことを特徴とするデバイス。 - 上から見た場合、前記リードフレーム延長部がほぼ方形の構成となる、請求項11のデバイス。
- リードフレーム上の複数の延長部が、積み重ねられたパッケージ集積回路のペアのそれぞれと導電的に接続するステップと、
前記リードフレームを分断して、前記複数の延長部がそれぞれ単独化されるようにするステップと、
を含む方法。 - 前記複数の延長部が積み重ねられたパッケージ集積回路デバイスの前記ペアのそれぞれに導電的に接触するように導電的に接続される、請求項13の方法。
- 前記リードフレームを分断するステップが、前記複数の延長部を前記リードフレームのタイバーから分離するステップを含む、請求項13の方法。
- 前記複数の延長部分の外縁が、積み重ねられたパッケージ集積回路デバイスの前記ペアの少なくとも一方の外縁とほぼ一直線上に並ぶように前記リードフレームの前記分断が行われる、請求項15の方法。
- 第一と第二のパッケージされた集積回路デバイスを提供するステップと、
前記第一と第二のパッケージされた集積回路デバイスの間に平面型導電性部材を配置して、前記第一と第二のパッケージされた集積回路デバイスが互いに導電的に接続するようにするステップと、
を含む方法。 - 前記複数の平面型導電性部材を配置するステップが、前記平面型導電性部材のそれぞれの外縁が、前記第一と第二のパッケージされた集積回路デバイスの少なくとも一方の外縁とほぼ一直線に並ぶように前記複数の平面型導電性部材を配置するステップを含む、請求項17の方法。
- 上から見た場合、前記平面型導電性部材のそれぞれがほぼ方形の構成となる、請求項17の方法。
- リードフレームの複数の延長部分を第一のパッケージされた集積回路デバイスの上面の複数の接点に導電的に接続するための第一のリフロー工程を行うステップと、
前記複数の延長部分を第二のパッケージされた集積回路デバイスの下面の複数の接点に導電的に接続するための第二のリフロー工程を行うステップと、
前記リードフレームを分断して、前記複数の延長部を単独化するステップと、
を含む方法。 - 前記リードフレームを分断するステップが、前記複数の延長部を前記リードフレームの
タイバーから分離するステップを含む、請求項20の方法。 - 前記複数の延長部分の外縁が、積み重ねられたパッケージ集積回路デバイスの前記ペアの少なくとも一方の外縁とほぼ一直線上に並ぶように前記リードフレームの前記分断が行われる、請求項21の方法。
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