JP2014011424A - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
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- JP2014011424A JP2014011424A JP2012149284A JP2012149284A JP2014011424A JP 2014011424 A JP2014011424 A JP 2014011424A JP 2012149284 A JP2012149284 A JP 2012149284A JP 2012149284 A JP2012149284 A JP 2012149284A JP 2014011424 A JP2014011424 A JP 2014011424A
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Abstract
【解決手段】配線基板(300)の上に、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う第1半導体チップ(100)を搭載し、前記第1半導体チップの上に、前記通信データの別のデータ処理を行う第2半導体チップ(200)を搭載する。このとき、第1半導体チップにおける送信用パッド(131A)を受信用パッド(131B)よりもチップの縁辺から遠ざけ、送信用パッドを避けるように第2半導体チップを第1半導体チップ上で偏倚させて搭載する。
【選択図】図4
Description
先ず、本願において開示される代表的な実施の形態について概要を説明する。代表的な実施の形態についての概要説明で括弧を付して参照する図面中の参照符号はそれが付された構成要素の概念に含まれるものを例示するに過ぎない。
代表的な実施の形態に係る半導体装置(1)は、配線基板(300)の上に、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う第1半導体チップ(100)が搭載され、前記第1半導体チップの上に、前記通信データの別のデータ処理を行う第2半導体チップ(200)が搭載された構成を基本とする。前記配線基板は、平面形状が四角形からなる上面(315)、前記上面の第1上面辺(311)に沿って形成された複数の第1ボンディングリード(321A,321B,321C,321D)、前記上面の前記第1上面辺と対向する第2上面辺(312)に沿って形成された複数の第2ボンディングリード(322)、前記上面とは反対側の下面、および前記下面に形成された複数のバンプランド(302)を有する。前記第1半導体チップは、平面形状が四角形からなる主面(125)、前記主面の第1主面辺に沿って形成された複数の第1主面辺パッド(131A,131B,131C)、前記主面の前記第1主面辺と対向する第2主面辺(122)に沿って形成された複数の第2主面辺パッド(132)、および前記主面とは反対側の裏面を有し、前記裏面が前記配線基板の前記上面と対向し、かつ、平面視において前記第1及び第2主面辺が前記第1及び第2上面辺とそれぞれ並び、かつ、前記複数の第1ボンディングリードおよび前記複数の第2ボンディングリードがそれぞれ露出するように、前記配線基板の前記上面に搭載される。前記第2半導体チップは、平面形状が四角形からなる表面(215)、前記表面の第1表面辺(221)に沿って形成された複数の第1表面辺パッド(231)、および前記表面とは反対側の背面を有し、前記背面が前記第1半導体チップの前記主面と対向し、かつ、平面視において前記第1表面辺が前記第1主面辺とそれぞれ並び、かつ、前記複数の第1主面辺パッドおよび前記複数の第2主面辺パッドがそれぞれ露出するように、前記第1半導体チップの前記主面に搭載される。前記複数の第1主面辺パッドと前記複数の第1ボンディングリードの第1リード群(321A,321B,321C)は、複数の第1ワイヤ(410A,410B,410C)によってそれぞれ電気的に接続される。前記複数の第2主面辺パッドと前記複数の第2ボンディングリードは、複数の第2ワイヤ(411)によってそれぞれ電気的に接続される。前記複数の第1表面辺パッドと前記複数の第1ボンディングリードの第2リード群(321D)は、複数の第3ワイヤ(412)によってそれぞれ電気的に接続される。前記複数の第1主面辺パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッド(131A)と、高周波受信電流信号を外部から入力するための複数の第2パッド(131B)を有している。前記複数の第1パッドは、前記複数の第1主面辺パッドのうちの他のパッドよりも前記第2主面辺寄りに配置されている。
項1において、前記第1パッド及び第2パッドは電磁波通信のためのアンテナ(3)への接続に用いられるパッドである。
項2において、前記第1パッドに接続する出力トランジスタは前記第2パッドに接続する入力トランジスタよりも大きなトランジスタサイズを有する。
項1において、前記第2半導体チップは、前記第1半導体チップに対して前記第1主面辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの前記主面に搭載されている。
項4において、前記第2リード群は前記第1上面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置される。前記第1表面辺パッドは前記第1表面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている。
項1において、前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号である。第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号である。第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号である。前記第1半導体チップは、前記高周波非接触通信のインタフェース制御と共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。
別の実施の形態に係る半導体装置の製造方法は以下の工程を含む:
(a)平面形状が四角形からなる上面、前記上面の第1上面辺に沿って形成された複数の第1ボンディングリード、前記上面の前記第1上面辺と対向する第2上面辺に沿って形成された複数の第2ボンディングリード、前記上面とは反対側の下面、および前記下面に形成された複数のバンプランドを有する配線基板を準備する工程;
(b)前記(a)工程の後、平面形状が四角形からなる主面、前記主面の第1主面辺に沿って形成された複数の第1主面辺パッド、前記主面の前記第1主面辺と対向する第2主面辺に沿って形成された複数の第2主面辺パッド、および前記主面とは反対側の裏面とを有し、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う第1半導体チップを、前記第1半導体チップの前記裏面が前記配線基板の前記上面と対向し、かつ、平面視において前記第1及び第2主面辺が前記第1及び第2上面辺とそれぞれ並び、かつ、前記複数の第1ボンディングリードおよび前記複数の第2ボンディングリードが前記第1半導体チップからそれぞれ露出するように、前記配線基板の前記上面に搭載する工程;
(c)前記(b)工程の後、平面形状が四角形からなる表面、前記表面の第1表面辺に沿って形成された複数の第1表面辺パッド、および前記表面とは反対側の背面を有し、前記通信データの別のデータ処理を行う第2半導体チップを、前記背面が前記第1半導体チップの前記主面と対向し、かつ、平面視において前記第1表面辺が前記第1主面辺とそれぞれ並び、かつ、前記複数の第1主面辺パッドおよび前記複数の第2主面辺パッドがそれぞれ露出するように、前記第1半導体チップの前記主面に搭載する工程;
(d)前記(c)工程の後、複数の第1ワイヤを介して前記複数の第1主面辺パッドと前記複数の第1ボンディングリードの第1リード群を、複数の第2ワイヤを介して前記複数の第2主面辺パッドと前記複数の第2ボンディングリードを、複数の第3ワイヤを介して前記複数の第1表面辺パッドと前記複数の第1ボンディングリードの第2リード群を、それぞれ電気的に接続する工程;
ここで、前記第1半導体チップの前記複数の第1主面辺パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッドと、高周波受信電流信号を外部から入力するための複数の第2パッドを有する。前記複数の第1パッドは、前記複数の第1主面辺パッドのうちの他のパッドよりも前記第2主面辺寄りに配置されている。
項7において、前記第1パッド及び第2パッドは電磁波通信のためのアンテナへの接続に用いられるパッドである。
項8において、前記第1パッドに接続する出力トランジスタは前記第2パッドに接続する入力トランジスタよりも大きなトランジスタサイズを有する。
項7において、前記行程(c)において、前記第2半導体チップは、前記第1半導体チップに対して前記第1主面辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの前記主面に搭載される。
項10において、前記第2リード群は前記第1上面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置される。前記第1表面辺パッドは前記第1表面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている。
項7において、前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号であり、第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号である。第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号である。前記第1半導体チップは、受信信号の変調方式を判別すると共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。
更に別に実施の形態にかかる半導体装置は、一縁辺に沿って複数のボンディングリードを有する配線基板と、前記配線基板の前記一縁辺に相隣り合う一縁辺に沿って複数のパッドを有し、前記複数のボンディングリードがそれぞれ露出するように、前記配線基板の上に搭載され、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う前記第1半導体チップを有する。更に、前記第1半導体チップの前記一縁辺に相隣り合う一縁辺に沿って複数のパッドを有し、前記第1半導体チップの複数のパッドがそれぞれ露出するように、前記第1半導体チップの上に搭載され、前記通信データの別のデータ処理を行う前記第2半導体チップと、を有する。前記第1半導体チップの前記パッドと前記複数のボンディングリードの第1リード群は、複数の第1ワイヤによってそれぞれ電気的に接続される。前記第2半導体チップの前記パッドと前記複数のボンディングリードの第2リード群は、複数の第2ワイヤによってそれぞれ電気的に接続される。前記第1半導体チップの前記パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッドと、高周波受信電流信号を外部から入力するための複数の第2パッドを有している。前記複数の第1パッドは、前記第1半導体チップの前記パッドのうちの他のパッドよりも前記第1半導体チップの前記一縁辺からの距離が大きくされる。前記第2半導体チップは、前記第1半導体チップに対してその前記一縁辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの上に搭載されている。
項13において、前記第2リード群は前記配線基板の前記一縁辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置される。前記第2半導体チップの前記パッドはその一縁辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている。
項13において、前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号であり、第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号である。第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号である。前記第1半導体チップは、受信信号の変調方式を判別すると共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う。
実施の形態について更に詳述する。
図1には一実施の形態に係る半導体装置が適用された高周波非接触通信システムが例示される。
次に、図1で例示した一実施の形態に係る半導体装置1の構成について説明する。図2は本実施の形態の半導体装置1の上面側を示す平面図、図3は図2に示す半導体装置1の下面側を示す平面図、図4は図2に示す半導体装置1の封止体を除去した上面側を示す平面図、図5は図4のA−A’線に沿った断面図、図6は図4のB−B’線に沿った断面図である。
次に、基材(配線基板、インタポーザ基板)の一例である配線基板300について説明する。
次に、RFチップ100について説明する。図11はRFチップ100の上面を示す平面図である。
次に、セキュリティチップ200について説明する。図12はセキュリティチップ200の上面を示す平面図である。
図1乃至図6に示す半導体装置1の製造工程について説明する。
図13は基材(配線基板、インタポーザ基板)の全体構造を示す上面図、図14は図13の下面図、図15は図13に示すA−A’線に沿った断面図、図16は図13のB−B’線に沿った断面図である。
次にチップマウント(ダイボンド)工程について説明する。図17はチップマウント工程において母材のデバイス領域にRFチップが搭載された状態を示す平面図、図18は図17に示すA−A’線に沿った断面図、図19は図17のB−B’線に沿った断面図である。
図23は母材のデバイス領域に搭載したRFチップ及びセキュリティチップに対するワイヤボンディング工程において下段のRFチップにワイヤボンディングを行った状態を示す平面図、図24は図23に示すA−A’線に沿った断面図、図25は図23のB−B’線に沿った断面図である。
次にモールド工程を説明する。
図32はボールマウント工程からダイシング工程を経た後の状態を示す平面図、図33は図32に示すA−A’線に沿った断面図、図34は図32のB−B’線に沿った断面図である。
次に、封止体500と母材(多数個取り基板)400を切断することで、各デバイス領域401を母材400から分離する。詳細に説明すると、上記した母材400のダイシング領域内に、図示しないダイシングブレードを走行させることで、外部端子が形成されたデバイス領域401を母材(多数個取り基板)400から分離する。
次に、図示しないトレイに個片化された基材を配置し、図2に示すように、封止体500の表面に製品名などのマーク502を形成(付与)する。本実施の形態では、例えばレーザを封止体500の表面に照射することで、封止体500の表面にマーク502を刻印している。そのため、図5及び図6に示すように、封止体500の表面にはマーク502の痕跡として凹部(溝)が形成される。
その後、形成したマーク502の外観検査(視認性チェック)や、搭載された半導体チップ100,200の電気試験などを行い、半導体装置1が完成する。
上記の製造工程により完成された半導体装置1(検査工程において良品と判定された半導体装置)は、例えば図1で説明したように携帯電話機やICカードなどの、図示しない実装基板(マザーボード)に、その他の回路部品と共に実装されて、高周波非接触通信システムを構成することになる。
図1などに基づいて説明したように、タイプA、タイプB、タイプCの何れにも対応可能な高周波非接触通信システムに用いる半導体装置1として、上述のように、RFチップ100にはタイプA及びタイプBのセキュア処理を割り当てる。セキュリティチップ200にはタイプCのセキュア処理を割り当てる。このように通信方式に応じて双方に通信データのセキュアデータ処理機能を分散させたから、セキュリティチップに全ての通信方式のセキュアデータ処理機能を負担させる場合に比べて、REチップ100とセキュリティチップ200の大きさが極端に異ならないようになる。したがって、半導体装置1の平面的サイズの小型化、実装基板に対する占有面積の縮小化、という効果を得ることができる。
2 外付け回路
3 アンテナ
10 コイル
11 キャパシタ
12 復調用外部回路
13 変調用外部回路
100 RFチップ(第1半導体チップ)
101 中央処理装置(CPU)
102 暗号化/復号回路
106 UART
107 電源回路
110 復調回路
111 変調回路
112 非接触制御回路
121 RFチップ100の第1主面辺
122 RFチップ100の第2主面辺
123 RFチップ100の第3主面辺
124 RFチップ100の第4主面辺
125 RFチップの主面(表面、回路形成面)
131A 電極パッド(ボンディングパッド、送信用の電極パッド、第1主面辺パッド)
131B 電極パッド(ボンディングパッド、受信用の電極パッド、第1主面辺パッド)
131C 電極パッド(ボンディングパッド)
132 電極パッド(ボンディングパッド)
200 セキュリティチップ(第2半導体チップ)
201 中央処理装置(CPU)
202 暗号化/復号回路
206 UART
207 電源回路
215 セキュリティチップ200の表面(主面、回路形成面)
221 セキュリティチップ200の第1表面辺
222 セキュリティチップ200の第2表面辺
223 セキュリティチップ200の第3表面辺
224 セキュリティチップ200の第4表面辺
231 電極パッド(ボンディングパッド)
300 配線基板(基材)
301 半田ボール(半田材)
302 電極パッド(バンプランド)
311 配線基板300の第1上面辺
312 配線基板300の第2上面辺
313 配線基板300の第3上面辺
314 配線基板300の第4上面辺
315 配線基板300の上面(チップ搭載面)
321A,321B,321C,321D,322 電極パッド(ボンディングリード)
331 配線基板300の第1下面辺
332 配線基板300の第2下面辺
333 配線基板300の第3下面辺
334 配線基板300の第4下面辺
400 母材(配線基板)
401 デバイス領域(パッケージ形成領域)
402 ダイシング領域
410A,410B,410C,411,412 ワイヤ
420,430 ボール部(バンプ)
500 封止体
501 マーク領域
502 マーク
550 接着材(ダイボンド材)
Claims (15)
- 平面形状が四角形からなる上面、前記上面の第1上面辺に沿って形成された複数の第1ボンディングリード、前記上面の前記第1上面辺と対向する第2上面辺に沿って形成された複数の第2ボンディングリード、前記上面とは反対側の下面、および前記下面に形成された複数のバンプランドを有する配線基板と、
平面形状が四角形からなる主面、前記主面の第1主面辺に沿って形成された複数の第1主面辺パッド、前記主面の前記第1主面辺と対向する第2主面辺に沿って形成された複数の第2主面辺パッド、および前記主面とは反対側の裏面を有し、前記裏面が前記配線基板の前記上面と対向し、かつ、平面視において前記第1及び第2主面辺が前記第1及び第2上面辺とそれぞれ並び、かつ、前記複数の第1ボンディングリードおよび前記複数の第2ボンディングリードがそれぞれ露出するように、前記配線基板の前記上面に搭載された第1半導体チップと、
平面形状が四角形からなる表面、前記表面の第1表面辺に沿って形成された複数の第1表面辺パッド、および前記表面とは反対側の背面を有し、前記背面が前記第1半導体チップの前記主面と対向し、かつ、平面視において前記第1及び第2表面辺が前記第1及び第2主面辺とそれぞれ並び、かつ、前記複数の第1主面辺パッドおよび前記複数の第2主面辺パッドがそれぞれ露出するように、前記第1半導体チップの前記主面に搭載された第2半導体チップと、
前記複数の第1主面辺パッドと前記複数の第1ボンディングリードの第1リード群を、それぞれ電気的に接続する複数の第1ワイヤと、
前記複数の第2主面辺パッドと前記複数の第2ボンディングリードを、それぞれ電気的に接続する複数の第2ワイヤと、
前記複数の第1表面辺パッドと前記複数の第1ボンディングリードの第2リード群を、それぞれ電気的に接続する複数の第3ワイヤと、
を含み、
前記第1半導体チップは、高周波非接触通信のインタフェース制御と、通信データのデータ処理と、を行い、
前記第2半導体チップは、前記通信データの別のデータ処理を行い、
前記複数の第1主面辺パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッドと、高周波受信電流信号を外部から入力するための複数の第2パッドを有しており、
前記複数の第1パッドは、前記複数の第1主面辺パッドのうちの他のパッドよりも前記第2主面辺寄りに配置されている半導体装置。 - 前記第1パッド及び第2パッドは電磁波通信のためのアンテナへの接続に用いられるパッドである、請求項1記載の半導体装置。
- 前記第1パッドに接続する出力トランジスタは前記第2パッドに接続する入力トランジスタよりも大きなトランジスタサイズを有する、請求項2記載の半導体装置。
- 前記第2半導体チップは、前記第1半導体チップに対して前記第1主面辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの前記主面に搭載されている、請求項1記載の半導体装置。
- 前記第2リード群は前記第1上面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置され、
前記第1表面辺パッドは前記第1表面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている、請求項4記載の半導体装置。 - 前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号であり、第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号であり、第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号であり、
前記第1半導体チップは、前記高周波非接触通信のインタフェース制御と共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行い、
前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う、請求項1記載の半導体装置。 - 以下の工程を含む半導体装置の製造方法:
(a)平面形状が四角形からなる上面、前記上面の第1上面辺に沿って形成された複数の第1ボンディングリード、前記上面の前記第1上面辺と対向する第2上面辺に沿って形成された複数の第2ボンディングリード、前記上面とは反対側の下面、および前記下面に形成された複数のバンプランドを有する配線基板を準備する工程;
(b)前記(a)工程の後、平面形状が四角形からなる主面、前記主面の第1主面辺に沿って形成された複数の第1主面辺パッド、前記主面の前記第1主面辺と対向する第2主面辺に沿って形成された複数の第2主面辺パッド、および前記主面とは反対側の裏面とを有し、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う第1半導体チップを、前記第1半導体チップの前記裏面が前記配線基板の前記上面と対向し、かつ、平面視において前記第1及び第2主面辺が前記第1及び第2上面辺とそれぞれ並び、かつ、前記複数の第1ボンディングリードおよび前記複数の第2ボンディングリードが前記第1半導体チップからそれぞれ露出するように、前記配線基板の前記上面に搭載する工程;
(c)前記(b)工程の後、平面形状が四角形からなる表面、前記表面の第1表面辺に沿って形成された複数の第1表面辺パッド、および前記表面とは反対側の背面を有し、前記通信データの別のデータ処理を行う第2半導体チップを、前記背面が前記第1半導体チップの前記主面と対向し、かつ、平面視において前記第1表面辺が前記第1主面辺とそれぞれ並び、かつ、前記複数の第1主面辺パッドおよび前記複数の第2主面辺パッドがそれぞれ露出するように、前記第1半導体チップの前記主面に搭載する工程;
(d)前記(c)工程の後、複数の第1ワイヤを介して前記複数の第1主面辺パッドと前記複数の第1ボンディングリードの第1リード群を、複数の第2ワイヤを介して前記複数の第2主面辺パッドと前記複数の第2ボンディングリードを、複数の第3ワイヤを介して前記複数の第1表面辺パッドと前記複数の第1ボンディングリードの第2リード群を、それぞれ電気的に接続する工程;
ここで、
前記第1半導体チップの前記複数の第1主面辺パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッドと、高周波受信電流信号を外部から入力するための複数の第2パッドを有しており、
前記複数の第1パッドは、前記複数の第1主面辺パッドのうちの他のパッドよりも前記第2主面辺寄りに配置されている。 - 前記第1パッド及び第2パッドは電磁波通信のためのアンテナへの接続に用いられるパッドである、請求項7記載の半導体装置の製造方法。
- 前記第1パッドに接続する出力トランジスタは前記第2パッドに接続する入力トランジスタよりも大きなトランジスタサイズを有する、請求項8記載の半導体装置の製造方法。
- 前記行程(c)において、前記第2半導体チップは、前記第1半導体チップに対して前記第1主面辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの前記主面に搭載される、請求項7記載の半導体装置の製造方法。
- 前記第2リード群は前記第1上面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置され、
前記第1表面辺パッドは前記第1表面辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている、請求項10記載の半導体装置の製造方法。 - 前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号であり、第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号であり、第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号であり、
前記第1半導体チップは、高周波非接触通信のインタフェース制御と共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行い、
前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う、請求項7記載の半導体装置の製造方法。 - 一縁辺に沿って複数のボンディングリードを有する配線基板と、
前記配線基板の前記一縁辺に相隣り合う一縁辺に沿って複数のパッドを有し、前記複数のボンディングリードがそれぞれ露出するように、前記配線基板の上に搭載され、高周波非接触通信のインタフェース制御と通信データのデータ処理とを行う前記第1半導体チップと、
前記第1半導体チップの前記一縁辺に相隣り合う一縁辺に沿って複数のパッドを有し、前記第1半導体チップの複数のパッドがそれぞれ露出するように、前記第1半導体チップの上に搭載され、前記通信データの別のデータ処理を行う前記第2半導体チップと、を有し、
前記第1半導体チップの前記パッドと前記複数のボンディングリードの第1リード群は、複数の第1ワイヤによってそれぞれ電気的に接続され、
前記第2半導体チップの前記パッドと前記複数のボンディングリードの第2リード群は、複数の第2ワイヤによってそれぞれ電気的に接続され、
前記第1半導体チップの前記パッドは、高周波送信電流信号を外部へ出力するための複数の第1パッドと、高周波受信電流信号を外部から入力するための複数の第2パッドを有しており、
前記複数の第1パッドは、前記第1半導体チップの前記パッドのうちの他のパッドよりも前記第1半導体チップの前記一縁辺からの距離が大きくされ、
前記第2半導体チップは、前記第1半導体チップに対してその前記一縁辺に沿って前記第1パッドから離隔する方向に偏倚して、前記第1半導体チップの上に搭載されている、半導体装置。 - 前記第2リード群は前記配線基板の前記一縁辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置され、
前記第2半導体チップの前記パッドはその一縁辺に沿って前記第2半導体チップの偏倚方向に偏倚して配置されている、請求項13記載の半導体装置。 - 前記第1半導体チップが高周波非接触通信の対象とする通信信号は搬送波周波数が相互に等しく第1乃至第3のASK変調方式の信号であり、第2のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号と通信速度が等しい信号であり、第3のASK変調方式の信号は第1のASK変調方式の信号よりも変調度が低く且つ第1のASK変調方式の信号よりも通信速度が速い信号であり、
前記第1半導体チップは、前記高周波非接触通信のインタフェース制御と共に、前記データ処理として第1及び第2のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行い、
前記第2半導体チップは、前記別のデータ処理として第3のASK変調方式に係る受信データ及び送信データに対するセキュア処理を行う、請求項13記載の半導体装置。
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US9754919B2 (en) | 2017-09-05 |
US20170330864A1 (en) | 2017-11-16 |
CN103530679B (zh) | 2018-06-08 |
JP5959097B2 (ja) | 2016-08-02 |
US9997499B2 (en) | 2018-06-12 |
US20140011453A1 (en) | 2014-01-09 |
CN103530679A (zh) | 2014-01-22 |
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