JP6076874B2 - 電子装置、テストボードおよび半導体装置の製造方法 - Google Patents
電子装置、テストボードおよび半導体装置の製造方法 Download PDFInfo
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- JP6076874B2 JP6076874B2 JP2013200005A JP2013200005A JP6076874B2 JP 6076874 B2 JP6076874 B2 JP 6076874B2 JP 2013200005 A JP2013200005 A JP 2013200005A JP 2013200005 A JP2013200005 A JP 2013200005A JP 6076874 B2 JP6076874 B2 JP 6076874B2
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- electrodes
- power supply
- hole
- reference potential
- wiring board
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- H—ELECTRICITY
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Description
本願において、実施の態様の記載は、必要に応じて、便宜上複数のセクション等に分けて記載するが、特にそうでない旨明示した場合を除き、これらは相互に独立別個のものではなく、記載の前後を問わず、単一の例の各部分、一方が他方の一部詳細または一部または全部の変形例等である。また、原則として、同様の部分は繰り返しの説明を省略する。また、実施の態様における各構成要素は、特にそうでない旨明示した場合、理論的にその数に限定される場合および文脈から明らかにそうでない場合を除き、必須のものではない。
まず、本実施の形態の電子装置の構成の概要について説明する。図1は、本実施の形態の電子装置の半導体パッケージ実装面側の一部を示す拡大平面図、図2は図1に示す実装基板の反対面側を示す拡大平面図である。また、図3は、図2のA−A線に沿った拡大断面図である。また、図4は、図3に示す半導体装置の実装面側の平面図である。また、図5は、図3に示す実装基板の半導体パッケージ搭載面側の拡大平面図である。なお、本実施の形態で説明する各図では、電極や端子を見やすくするため、端子数が少なく、かつ各端子の平面寸法が大きい例を取り上げて説明している。また、平面視における実装基板MB1の電極Mp1、Mp2と半導体チップ2の位置関係を示すため、図2には、半導体チップ2の輪郭を二点鎖線で示している。また、図2では、配線基板3の輪郭も二点鎖線で示している。
次に、図3に示すコンデンサCP1と半導体装置SP1の接続経路の詳細について説明する。図6は、図3に示す電子装置が有する電子部品の電気的接続関係を示す回路ブロック図である。また、図7は、図5のB部の拡大平面図、図8は図7のA−A線に沿った拡大断面図、図9は図5のC部の拡大平面図、図10は図9のA−A線に沿った拡大断面図である。なお、図3に示す半導体チップ2には、図6に示す回路以外に複数の回路が形成されているが、図6では、半導体チップ2が有する回路のうちの一部を、代表的に示している。また、図7および図9では、電極Mp1やスルーホールランドTHL(図9参照)を構成する金属パターンの輪郭、および平面視におけるスルーホールTH1、TH2の輪郭を、点線を付して示している。また、図9および図10では、図5に示す複数の電極Mp1のうち、複数の電源電位用電極Pd1が配置された領域を代表例として示しているが、図5に示す複数の基準電位用電極Ps1が配置された領域の構造も同様なので、基準電位用電極Ps1の符号も付している。
次に、図1〜図10を用いて説明した電子装置の製造方法、言い換えれば、図3に示す半導体装置SP1の実装方法について説明する。図1〜図3に示す電子装置ED1は、図11に示すフロー図に沿って製造される。図11に示すように、本実施の形態の電子装置の製造方法には、半導体装置の組立工程(半導体装置組立工程)と、完成した半導体装置を実装基板に実装する工程(半導体装置実装工程)と、が含まれる。また、半導体装置組立工程には、組み立てた半導体装置の検査を行うテスト工程(半導体装置検査工程)も含まれる。なお、上記テスト工程を行う前の半導体装置(検査体)を組み立てる工程までを半導体装置組立工程としてもよい。以下、前述の分類例に基づいて順に説明する。
半導体装置組立工程では、図3に示す実装基板MB1に実装するための半導体装置SP1を組み立てる。なお、以下では、図3に示す配線基板3に相当するデバイス領域が複数個設けられた、所謂、多数個取り基板を準備して、複数のデバイス領域のそれぞれについて組立を行う方法について説明する。また、図12に示す複数のデバイス領域30dのそれぞれは、図1、図3、図4、および図6を用いて説明した配線基板3に相当するので、以下の説明では、必要に応じて図1〜図10の各図を参照して説明する。
まず、図11に示す基板準備工程では、例えば図12に示す配線基板30を準備する。図12は、図11に示す基板準備工程で準備する配線基板の全体構造を示す平面図である。図12に示すように、本工程で準備する配線基板30は、枠部(外枠)30fの内側に行列状に配置される、複数のデバイス領域30dを備えている。複数のデバイス領域30dは、それぞれが、図3に示す配線基板3に相当する。配線基板30は、複数のデバイス領域30dと、各デバイス領域30dの間に切断ライン(切断領域)30cを有する、所謂、多数個取り基板である。このように、複数のデバイス領域30dを備える多数個取り基板を用いることで、製造効率を向上させることができる。
次に、図11に示す半導体チップ搭載工程では、図3に示すように半導体チップ2を配線基板30(図12参照)のチップ搭載面である上面3a上に搭載する。半導体チップ2が有する複数の半導体素子は、表面2a側に形成された複数のパッド(電極、電極パッド)2pdと電気的に接続されている。
次に封止工程では、半導体チップ2と配線基板30とを電気的に接続する部分を封止する。本実施の形態では、図3に示すように、半導体チップ2と配線基板30(図12参照)の間に樹脂4を供給して、半導体チップ2と配線基板30の電気的な接続部分(突起電極2bp)の周囲を封止する。
次に、図11に示すボールマウント工程では、配線基板3の実装面である下面3b側に、複数の半田ボールSBを取り付ける。本工程では、図3に示すランド3g上に半田ボールSBを配置して、リフロー処理(加熱して半田成分を溶融接合させた後、冷却する処理)を施す。これにより、ランド3gと半田ボールSBは接合される。
次に、図11に示す個片化工程では、図12に示す複数のデバイス領域30dを区画する切断ライン30cに沿って、配線基板30を切断する。これにより、多数個取り基板である配線基板30を、デバイス領域30d毎に個片化(分割)し、複数の半導体装置SP1(図1参照)を取得する。
次に、図11に示すテスト工程(半導体装置検査工程)では、外観検査や電気的試験など、必要な検査、試験を行う。なお、テスト工程として電気的試験を行う場合、上記した実装基板の配線レイアウトに係る技術を、テスト用の基板(テストボード)に適用することができる。上記した技術をテストボードに適用した実施態様の詳細については、後で変形例として説明する。
次に、図11に示す半導体装置実装工程では、図3に示すように、半導体装置SP1を、実装基板MB1の半導体パッケージ搭載面である上面Maに搭載する。本工程で準備する実装基板MB1の構造は、図1〜図10を用いて説明した通りなので、重複する説明は省略する。
以上、本願発明者によってなされた発明を実施の形態に基づき具体的に説明したが、本発明は前記実施の形態に限定されるものではなく、その要旨を逸脱しない範囲で種々変更可能であることはいうまでもない。
例えば、上記実施の形態では、半導体装置SP1を実装基板MB1に搭載した電子装置ED1を用いて説明したが、変形例として、図11に示すテスト工程において、半導体装置の機能試験などの電気的試験を行う工程で使用するテストボードTB1に適用することができる。以下では、テスト工程に適用した場合の実施態様について説明する。図13は、図11に示すテスト工程において、半導体装置をテスト装置に搭載した状態を示す要部拡大断面図である。また、図14は、図13に示すテストソケットの収容部の半導体パッケージ保持面側の平面図である。
また、上記実施の形態では、配線基板の実装面側に複数の半田ボールSBが行列状に配置された、所謂、BGA(Ball Grid Array)型の半導体パッケージを取り上げて説明した。しかし、半導体パッケージの構造には種々の変形例がある。図15〜図17は、図3に示す半導体装置に対する変形例を示す断面図である。
また、上記実施の形態では、図2に示すように、コンデンサCP1が2個、コンデンサCP2が1個搭載された実施態様について説明したが、コンデンサCP1、CP2の数には種々の変形例がある。例えば、半導体チップ2に多数の回路が形成されている場合、多数の回路のそれぞれに駆動用の電圧を供給する回路が必要になる。この場合、電圧を供給する回路毎に、コンデンサCP1またはコンデンサCP2を搭載することが好ましい。また、電圧の変動により回路の特性が劣化しやすい回路には、図3に示すコンデンサCP1に接続されるように、相対的に孔径が大きいスルーホールTH1の内部に形成されたスルーホール配線THmを介して駆動用の電圧を供給することが好ましい。
また、上記実施の形態では、図9に示すように、複数の電極Mp1のうち、4つの電源電位用電極Pd1および4つの基準電位用電極Ps1にそれぞれ一つのスルーホールTH1が繋がる実施態様を説明した。しかし、一つのスルーホールTH1に繋がる電極Mp1の数は4つには限定されず、種々の変形例が適用できる。例えば図18に示す変形例では、複数の電極Mp1のうち、2つの電源電位用電極Pd1および2つの基準電位用電極Ps1に、それぞれ一つのスルーホールTH1が繋がる。ただし、この場合、スルーホールTHが、他の種類が流れる電極Mp1と繋がってしまうことを避けるため、スルーホールTH1は、複数の電極Mp1が配列される領域の周縁部に配置されることが好ましい。あるいは、図5に示す複数の電極Mp1が等間隔で配置されず、配置ピッチが相対的に大きい領域がある場合には、その配置ピッチが大きい領域に、スルーホールTH1を形成することが好ましい。これにより、スルーホールTHが、他の種類が流れる電極Mp1と繋がってしまうことを避けることができる。
さらに、上記実施の形態で説明した技術思想の要旨を逸脱しない範囲内において、変形例同士を組み合わせて適用することができる。
2a 表面(主面、上面)
2b 裏面(主面、下面)
2bp 突起電極(バンプ)
2c 側面
2pd パッド(電極、電極パッド)
3 配線基板(インタポーザ)
3a 上面(面、チップ搭載面)
3b 下面(面、実装面)
3c 側面
3d 配線(再配線)
3e 絶縁層
3f ボンディングフィンガ(端子、チップ搭載面側端子、電極、ボンディングリード)
3g ランド
4 樹脂(アンダフィル樹脂、絶縁性フィルム、封止体)
30 配線基板
30c 切断ライン(切断領域)
30d デバイス領域
30f 枠部(外枠)
BW ワイヤ
CC1 入出力回路
CP1、CP2 コンデンサ(コンデンサ素子、チップコンデンサ)
CR1 コア回路
CW1 迂回配線
ED1 電子装置
ERd 電源電位用端子
ERs 基準電位用端子
L1、L4 距離
L2、L3 孔径
Ma 上面(面、半導体装置実装面、テストソケット形成面)
Mb 下面(面、裏面)
MB1 実装基板(ボード、マザーボード、配線基板、支持基板)
Mp1 電極(半導体パッケージの搭載面側の電極)
Mp2 電極(バイパスコンデンサの搭載面側の電極)
NC1 絶縁材
NC2 絶縁性の接着層
Pd1、Pd2 電源電位用電極
Pg1 信号用電極
PI1、PI2 絶縁膜(ポリイミド膜)
Ps1、Ps2 基準電位用電極
Pz1 入出力回路駆動用電極
RDL 再配線層
RDw 再配線(配線)
RG1、RG2 電源
SB 半田ボール(外部端子、電極、外部電極)
SG1 信号線
SK 保持面
SK1 収容部
SK2 保持面(半導体パッケージ保持面)
SK3 固定治具
SK4 スペーサ部材
SP1、SP3、SP4、SP5 半導体装置(半導体パッケージ)
SP2 検査体(半導体パッケージ)
SR 絶縁膜(ソルダレジスト膜)
TB1 テストボード
TC1 テスタ
TH1、TH2、TH3 スルーホール(孔)
TH1d スルーホール(電源電位用孔)
TH1s スルーホール(基準電位用孔)
TH2g スルーホール(信号用孔)
TH2z スルーホール(入出力回路駆動用孔)
THL スルーホールランド(導体)
THm スルーホール配線(配線)
THmd スルーホール配線(電源電位用配線)
THmg スルーホール配線(信号用配線)
THms スルーホール配線(基準電位用配線)
THmz スルーホール配線(入出力回路駆動用配線)
Tp1 テストピン(テスト端子)
Tph 貫通孔
TS1 テストソケット
VD1、VD2 電源電位線
VS1、VS2 基準電位線
Claims (18)
- 第1面、前記第1面に形成された複数の第1電極、前記第1面とは反対側の第2面、前記第2面に形成された複数の第2電極、および前記第1面および前記第2面のうちの一方側から他方側に向かって形成された複数の孔を有する第1配線基板と、
半導体チップ、前記半導体チップと電気的に接続された第2配線基板、前記第2配線基板の実装面側に設けられた複数の外部端子を有し、前記第1配線基板の前記第1面側に固定された半導体パッケージと、
第1端子および第2端子を有し、前記第1配線基板の前記第2面側に搭載されたコンデンサと、
を備え、
前記半導体パッケージの前記複数の外部端子は、前記第1配線基板の前記複数の第1電極とそれぞれ電気的に接続され、
前記コンデンサの前記第1端子は前記第1配線基板の前記複数の第2電極のうちの第1端子用電極と、前記コンデンサの前記第2端子は前記第1配線基板の前記複数の第2電極のうちの第2端子用電極と、それぞれ電気的に接続され、
前記第1配線基板の厚さは、前記第2配線基板の厚さよりも大きく、
前記複数の第1電極は、複数の電源電位用第1電極と、複数の基準電位用第1電極と、複数の信号用第1電極と、を有し、
前記複数の孔は、電源電位用孔と、基準電位用孔と、複数の信号用孔と、を有し、
前記電源電位用孔および前記基準電位用孔のそれぞれの径は、前記複数の信号用孔のそれぞれの径よりも大きく、
平面視において、前記電源電位用孔は、前記複数の電源電位用第1電極のそれぞれの一部および前記第1端子用電極と重なり、
平面視において、前記基準電位用孔は、前記複数の基準電位用第1電極のそれぞれの一部および前記第2端子用電極と重なり、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用孔の内部に形成された電源電位用配線を介して、互いに繋がり、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用孔の内部に形成された基準電位用配線を介して、互いに繋がり、
前記複数の信号用第1電極は、互いに分離され、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用配線を介して、前記第1端子用電極と電気的に接続され、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用配線を介して、前記第2端子用電極と電気的に接続される、電子装置。 - 請求項1において、
前記第1配線基板の前記複数の第1電極は、前記第1配線基板の前記第1面に行列状に配置されており、
前記半導体パッケージの前記複数の外部端子は、前記第2配線基板の前記実装面側に行列状に配置されている、電子装置。 - 請求項1において、
前記第1配線基板の厚さ方向において、前記複数の第1電極のうちの前記複数の電源電位用第1電極および前記複数の基準電位用第1電極のそれぞれは、前記半導体チップと重なる位置に形成されている、電子装置。 - 請求項3において、
前記複数の第1電極のうちの前記複数の信号用第1電極のそれぞれは、前記半導体チップと厚さ方向に重ならない位置に形成されている、電子装置。 - 請求項1において、
前記電源電位用配線は、前記電源電位用孔の壁面に沿って、前記第1配線基板の厚さ方向に延びるように形成され、
前記基準電位用配線は、前記基準電位用孔の壁面に沿って、前記第1配線基板の厚さ方向に延びるように形成され、
前記電源電位用配線の内側および前記基準電位用配線の内側には、それぞれ絶縁性材料が埋め込まれている、電子装置。 - 請求項1において、
前記複数の信号用孔と前記電源電位用孔の配置ピッチ、および前記複数の信号用孔と前記基準電位用孔の配置ピッチは、隣り合う前記複数の信号用孔の配置ピッチよりも大きい、電子装置。 - 請求項1において、
前記複数の第2電極のそれぞれの面積は、前記複数の第1電極のそれぞれの面積よりも大きい、電子装置。 - 請求項1において、
前記複数の電源電位用第1電極のそれぞれは互いに隣り合い、前記電源電位用孔を塞ぐ導体を介して連結され、
前記複数の基準電位用第1電極のそれぞれは互いに隣り合い、前記基準電位用孔を塞ぐ導体を介して連結されている、電子装置。 - 請求項1において、
前記半導体チップには、第1回路と、前記第1回路に電気信号を入出力する入出力回路が形成され、
前記コンデンサは、前記第1回路に電源電位を供給する経路、および前記第1回路に基準電位を供給する経路に接続される、バイパスコンデンサである、電子装置。 - 請求項1において、
前記半導体チップは、前記第2配線基板の前記実装面とは反対側のチップ搭載面に搭載されている、電子装置。 - 第1面、前記第1面に形成された複数の第1電極、前記第1面とは反対側の第2面、前記第2面に形成された複数の第2電極、および前記第1面および前記第2面のうちの一方側から他方側に向かって形成された複数の孔を有する第1配線基板と、
半導体パッケージを収容する収容部、および前記収容部内に設けられた複数のテスト端子を有し、前記第1配線基板の前記第1面側に固定されたテストソケットと、
第1端子および第2端子を有し、前記第1配線基板の前記第2面側に搭載されたコンデンサと、
を備え、
前記テストソケットの前記複数のテスト端子は、前記第1配線基板の前記複数の第1電極とそれぞれ電気的に接続され、
前記コンデンサの前記第1端子は前記第1配線基板の前記複数の第2電極のうちの第1端子用電極と、前記コンデンサの前記第2端子は前記第1配線基板の前記複数の第2電極のうちの第2端子用電極と、それぞれ電気的に接続され、
前記複数の第1電極は、複数の電源電位用第1電極と、複数の基準電位用第1電極と、複数の信号用第1電極と、を有し、
前記複数の孔は、電源電位用孔と、基準電位用孔と、複数の信号用孔と、を有し、
前記電源電位用孔および前記基準電位用孔のそれぞれの径は、前記複数の信号用孔のそれぞれの径よりも大きく、
平面視において、前記電源電位用孔は、前記複数の電源電位用第1電極のそれぞれの一部および前記第1端子用電極と重なり、
平面視において、前記基準電位用孔は、前記複数の基準電位用第1電極のそれぞれの一部および前記第2端子用電極と重なり、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用孔の内部に形成された電源電位用配線を介して、互いに繋がり、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用孔の内部に形成された基準電位用配線を介して、互いに繋がり、
前記複数の信号用第1電極は、互いに分離され、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用配線を介して、前記第1端子用電極と電気的に接続され、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用配線を介して、前記第2端子用電極と電気的に接続される、テストボード。 - 請求項11において、
前記第1配線基板の前記複数の第1電極は、前記第1配線基板の前記第1面に行列状に配置されており、
前記テストソケットの前記複数のテスト端子は、前記収容部内に行列状に配置されている、テストボード。 - 請求項11において、
前記電源電位用配線は、前記電源電位用孔の壁面に沿って、前記第1配線基板の厚さ方向に延びるように形成され、
前記基準電位用配線は、前記基準電位用孔の壁面に沿って、前記第1配線基板の厚さ方向に延びるように形成され、
前記電源電位用配線の内側および前記基準電位用配線の内側には、それぞれ絶縁性材料が埋め込まれている、テストボード。 - 請求項11において、
前記複数の信号用孔と前記電源電位用孔の配置ピッチ、および前記複数の信号用孔と前記基準電位用孔の配置ピッチは、隣り合う前記複数の信号用孔の配置ピッチよりも大きい、テストボード。 - 請求項11において、
前記複数の第2電極のそれぞれの面積は、前記複数の第1電極のそれぞれの面積よりも大きい、テストボード。 - 請求項11において、
前記複数の電源電位用第1電極のそれぞれは互いに隣り合い、前記電源電位用孔を塞ぐ導体を介して連結され、
前記複数の基準電位用第1電極のそれぞれは互いに隣り合い、前記基準電位用孔を塞ぐ導体を介して連結されている、テストボード。 - 請求項11において、
前記収容部に収容される前記半導体パッケージは、半導体チップ、前記半導体チップと電気的に接続された第2配線基板、前記第2配線基板の実装面に形成された複数のランド、および前記複数のランドに接続された複数の外部端子を有し、
前記第1配線基板の厚さは、前記第2配線基板の厚さよりも大きい、テストボード。 - 以下の工程を有する半導体装置の製造方法:
(a)実装面を有する第1の配線基板を準備する工程;
(b)前記第1の配線基板と半導体チップを電気的に接続し、半導体パッケージを組み立てる工程;
(c)テストボードに設けられたテストソケットの収容部内に前記半導体パッケージを収容し、前記テストソケットの前記収容部内に設けられた複数のテスト端子と、前記第1の配線基板の前記実装面側に設けられた複数の外部端子をそれぞれ電気的に接続し、前記半導体パッケージの電気的試験を行う工程;
前記テストボードは、
第1面、前記第1面に形成された複数の第1電極、前記第1面とは反対側の第2面、前記第2面に形成された複数の第2電極、および前記第1面および前記第2面のうちの一方側から他方側に向かって形成された複数の孔を有する第2の配線基板と、
前記半導体パッケージを収容する前記収容部、および前記収容部内に設けられた前記複数のテスト端子を有し、前記第2の配線基板の前記第1面側に固定された前記テストソケットと、
第1端子および第2端子を有し、前記第2の配線基板の前記第2面側に搭載されたコンデンサと、
を有し、
前記テストソケットの前記複数のテスト端子は、前記第2の配線基板の前記複数の第1電極とそれぞれ電気的に接続され、
前記コンデンサの前記第1端子は前記第2の配線基板の前記複数の第2電極のうちの第1端子用電極と、前記コンデンサの前記第2端子は前記第2の配線基板の前記複数の第2電極のうちの第2端子用電極と、それぞれ電気的に接続され、
前記複数の第1電極は、複数の電源電位用第1電極と、複数の基準電位用第1電極と、複数の信号用第1電極と、を有し、
前記複数の孔は、電源電位用孔と、基準電位用孔と、複数の信号用孔と、を有し、
前記電源電位用孔および前記基準電位用孔のそれぞれの径は、前記複数の信号用孔のそれぞれの径よりも大きく、
平面視において、前記電源電位用孔は、前記複数の電源電位用第1電極のそれぞれの一部および前記第1端子用電極と重なり、
平面視において、前記基準電位用孔は、前記複数の基準電位用第1電極のそれぞれの一部および前記第2端子用電極と重なり、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用孔の内部に形成された電源電位用配線を介して、互いに繋がり、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用孔の内部に形成された基準電位用配線を介して、互いに繋がり、
前記複数の信号用第1電極は、互いに分離され、
前記複数の電源電位用第1電極のそれぞれは、前記電源電位用配線を介して、前記第1端子用電極と電気的に接続され、
前記複数の基準電位用第1電極のそれぞれは、前記基準電位用配線を介して、前記第2端子用電極と電気的に接続される。
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CN201410505112.2A CN104517933B (zh) | 2013-09-26 | 2014-09-26 | 电子器件、测试板和半导体器件制造方法 |
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US9799571B2 (en) * | 2015-07-15 | 2017-10-24 | Globalfoundries Singapore Pte. Ltd. | Methods for producing integrated circuits with interposers and integrated circuits produced from such methods |
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