JPH11261010A - 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Info
- Publication number
- JPH11261010A JPH11261010A JP10063046A JP6304698A JPH11261010A JP H11261010 A JPH11261010 A JP H11261010A JP 10063046 A JP10063046 A JP 10063046A JP 6304698 A JP6304698 A JP 6304698A JP H11261010 A JPH11261010 A JP H11261010A
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor substrate
- semiconductor
- electronic circuit
- semiconductor device
- bonding
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Abstract
びその製造方法を得る。 【解決手段】 p型の半導体基板13と、電子回路が形
成されたSOI層111を囲み、半導体基板13上に形
成された絶縁体14と、配線113を介してSOI層1
11に導通するボンディングパッド121と、ボンディ
ングパッド121及び半導体基板13が露出している底
部を有する穴122及びボンディングパッド121を含
むボンディング領域12とを備え、ボンディング領域1
2にボンディングワイヤ3がボンディングされている。
Description
られた半導体装置及びその製造方法に関し、特に電子回
路の電気的な保護に関する。
るサージが高電圧あるいは大電流で内部に設けられた電
子回路に伝搬することがある。
よって内部に設けられた電子回路が破壊されるという問
題点がある。特に、SOI(Silicon On Insulator)構
造を有する半導体装置では、サージによって内部に設け
られた電子回路が破壊されやすい。図33にSOI構造
を有する半導体装置の断面の例を示す。図33におい
て、13はSOI基板中のp型基板領域(以下、単に半
導体基板と呼ぶ)、111はSOI層、14は埋め込み
酸化膜、112はSOI層111上に形成された電子回
路を構成するMOSトランジスタで、ゲートG、ソース
S、ドレインDを示している。埋め込み酸化膜14は、
熱伝導性が非常に悪く、例えばSiO2の場合、単結晶
Siと比較して熱導電率は100分の1程度である。し
たがって、ソースSとドレインDとの間にサージが伝搬
すると、ソースSとドレインDが高温になり、破壊され
やすい。
されたものであり、内部に設けられた電子回路をサージ
から保護できる半導体装置及びその製造方法を得ること
を目的とする。
課題解決手段は、半導体基板と、前記半導体基板に設け
られた電子回路と、前記電子回路に導通する端子と、前
記端子、前記半導体基板の表面のうち前記端子に隣接し
て露出する領域の両方に共通してボンディングされる金
属の接続材とを備え、前記半導体基板の表面を一方の電
極とするダイオードが、前記接続材と前記半導体基板と
の間に形成される。
いて、前記金属は前記領域と共にショットキー接合を形
成する。
いて、前記領域は、前記半導体基板とは反対の導電型を
有する。
前記半導体基板と前記端子との間に形成され、前記電子
回路を囲み、前記領域と共に前記端子に隣接して露出す
る絶縁膜と、前記絶縁膜と前記領域とに跨って形成され
る導電材とを更に備える。
いて、前記領域は前記端子の中央に存在する。
半導体基板、前記半導体基板上に形成された絶縁膜、前
記絶縁膜上に形成され、電子回路が形成された半導体層
を含む半導体チップと、前記半導体層を電気的に保護す
るための保護基板と、外部端子と、前記半導体チップと
前記保護基板とを電気的に接続する第1接続材と、前記
保護基板と前記外部端子とを電気的に接続する第2接続
材とを備える。
(a)半導体基板、前記半導体基板上に形成された絶縁
膜、前記絶縁膜上に形成され、電子回路が形成された半
導体層、前記電子回路に導通する端子、及び外部端子を
準備するステップと、(b)前記絶縁膜に穴を開けて前
記半導体基板を露出させるステップと、(c)前記外部
端子に対して金属の接続材の一端を接続するステップ
と、(d)露出した前記半導体基板及び前記端子に対し
て前記接続材の他端をボンディングするステップとを備
える。
前記ステップ(b),(c)の間に実行される(e)露
出した前記半導体基板の表面の導電型を、前記半導体基
板の導電型と異ならせるステップをさらに含む。
前記ステップ(e),(c)の間に実行される(f)露
出した前記半導体基板の表面から前記穴の側壁に跨る導
電材を形成するステップをさらに含む。
おいて、前記電子回路は、SOI構造に設けられてい
る。
おいて、前記電子回路は、SOI構造に設けられてい
る。
施の形態1における半導体装置の構成を示す概念図であ
る。図1において、1はSOI構造を有する半導体チッ
プ、11は半導体チップ1に設けられたSOI層のある
領域(以下、SOI領域と呼ぶ)で、このSOI領域1
1上に電子回路が形成されている。12は半導体チップ
1に設けられボンディングワイヤ3が接続される領域
(以下、ボンディング領域と呼ぶ)、2はボンディング
ワイヤ3を介してボンディング領域12と接続される外
部端子、4はモールド樹脂である。
て説明する。図2は本発明の実施の形態1における半導
体装置を示す断面図であって、図1のボンディング領域
12に関わる部分を示す。図2において、13は半導体
基板、14は埋め込み酸化膜と層間絶縁膜などからなる
絶縁体、15はガラスコート膜、16はポリミイド膜、
112は電子回路を代表的に示すためのMOSトランジ
スタ、121はボンディングパッド、122はボンディ
ング領域12に隣接して設けられた、半導体基板13に
達する穴、113は電子回路の配線である。
ド121と半導体基板13に共通にして接触している。
実際には穴122の深さは浅いため、例えばサーモソニ
ックボンディング(thermosonic bonding)法を用いれ
ば、ボンディングワイヤ3をボンディングパッド121
と半導体基板13に共通に接触させることが可能であ
る。
がSOI領域11上に形成された電子回路を示す。ボン
ディングワイヤ3と半導体基板13との接合はショット
キー接合であるため、半導体基板13がアノード、ボン
ディングワイヤ3がカソードとなるダイオード1220
が形成される。なお、ショットキー接合を形成するボン
ディングワイヤ3の材質は、金、アルミ等の金属であれ
ばよい。ボンディングワイヤ3を伝搬する信号は半導体
基板13へ流れない。しかし、ボンディングワイヤ3を
サージが伝搬するとダイオード1220が降伏して、半
導体基板13と導通する。なお、図4に示すように、電
子回路11aとボンディングパッドとの間のSOI領域
11以外のSOI基板上に電子回路11aをサージから
保護するための保護回路6を設けてもよい。
ヤ3を伝搬するサージを効果的に半導体基板13へ放出
するため、電子回路をサージから保護できる。
説明する。図5は本発明の実施の形態1における半導体
装置を示す断面図であって、図1のボンディング領域1
2に関わる部分を示す。図5において、123はn型の
不純物が穴122の底に注入された不純物領域、その他
は実施の形態1と同様である。
ソード、p型の半導体基板13がアノードとなるPN接
合型のダイオードが形成される。
及び半導体基板13からなるダイオードは、実施の形態
1で説明したダイオードと比較して、抵抗が小さいた
め、サージが半導体基板13へ放出され易くなる。
2が深いほど、ボンディングワイヤ3は不純物領域12
3に接触することが困難になる。そこで、実施の形態3
では、図6に示すように、絶縁体14及び不純物領域1
23とに跨って形成されるAl、Cu、TiN又はW等
の導電材124を備える。
の底及び絶縁体14の側壁に形成されていればよく、例
えば図7〜図10に示すものでもよい。
ジストの形成及び金属の不要部分のエッチングによって
得られる導電材124を示し、図6〜図8では、FIB
装置を用いて得られる導電材124を示す。FIB装置
を用いる場合は、上述のスパッタ等による場合と比較し
て、ボンディング領域12の数が少ないほどスループッ
トが良くなり、局所的に導電材124を形成できる。
ヤ3は、穴122が深くても導電材124に接触するた
め、ダイオードとの電気的接続が確実になる。
に示すように、穴122はボンディングパッド121の
中央に存在する。ボンディングパッド121の上から眺
めると、穴122はボンディングパッド121に囲まれ
ている。
ィングパッド121の中央に存在することによって、ボ
ンディングワイヤ3がボンディングパッド121の外縁
へめがけてボンディングされたとしても、ボンディング
ワイヤ3が穴122の底に接触し易い。また、穴122
はボンディングワイヤ3で覆われ易く、絶縁体14が露
出しないため、絶縁体14が水分を吸収することを抑制
できる。
の半導体装置の製造方法について説明する。まず、図1
2に示す構造を有するウェハ10を周知の技術を用いて
得る。ウェハ10は、SOI基板をガラスコート膜15
及びポリミイド膜16で覆ったものであり、SOI領域
11上には電子回路が形成されている。その他の符号に
ついては前述した符号に対応している。
領域12のうち電源用Vdd又は信号用のボンディング領
域12に係る部分を示し、(b)はグランド用Vssに係
る部分を示す。
イド膜16をパターニングして、ボンディングパッド1
21上方にボンディング領域12を設ける(図13)。
イド膜16をマスクとしてガラスコート膜15をエッチ
ングすることによって、ボンディング領域12内のガラ
スコート膜15を除去し、ボンディングパッド121及
び絶縁体14を露出させる(図14)。
イド膜16及びボンディングパッド121をマスクとし
て絶縁体14をエッチングすることによって、絶縁体1
4に穴122を開けて半導体基板13に達する穴122
を設ける(図15)。
を覆うレジスト51を形成し、n型不純物の注入を行う
ことによって、(a)の穴122の底にn型の不純物領
域123を設ける(図16)。
のボンディング領域12以外を覆うレジスト52を形成
し、p型不純物の注入を行うことによって、(b)の穴
122の底にp型の不純物領域123を設ける(図1
7)。
て、図18に示す構造を得る。これをチップ状に切断す
ることによって半導体チップ1を形成する。この半導体
チップ1と外部端子2とを準備する(図19)。
2をボンディングワイヤ3でボンディングする(図20
及び図21)。ここで、外部端子2にボンディングワイ
ヤ3をボンディングした後、半導体チップ1のボンディ
ング領域12にボンディングワイヤ3をボンディングす
る。
1をこの順に電気的に接続するため、ボンディングの際
に生じたサージを外部端子2へ流せる状態でボンディン
グワイヤ3がボンディング領域12にボンディングされ
る。よって、電子回路をサージから保護できる。さら
に、ボンディングワイヤ3は、ボンディング領域12に
ボンディングされるとともに、p型の半導体基板13が
アノード、n型の不純物領域123がカソードとなるダ
イオードに接続さる。よって、ボンディングの際に生じ
たサージがボンディングワイヤ3から電子回路へ流れよ
うとしても、このダイオードを介して半導体基板13に
流れるため、電子回路をサージから保護できる。これら
の電子回路の保護は、半導体チップ1が保護回路を有し
ない場合に有効である。
3、半導体チップ1をモールド樹脂4によって覆い、外
部端子2をフレーミングして、半導体装置が完成する
(図22)。
去、不純物領域123の形成するためのイオン注入を省
略すれば、実施の形態1における半導体装置が得られ
る。
4を形成する工程を図19に示す半導体チップ1と外部
端子2とを準備する前までに追加してもよい。例えば図
18に示す構造を得た直後にFIB装置を用いて導電材
124を形成すればよい(図24)。
ついても穴122を設けることによって、ボンディング
ワイヤ3が半導体基板13に接触するため、半導体基板
13にグランドの電位が与えられる。(b)の穴122
の底に半導体基板13にp型不純物を注入しておくこと
により、ボンディングワイヤ3と半導体基板13との間
の抵抗が小さくなる。
る半導体装置については、信号が半導体基板13から流
出しないようにするために、図23に示すようにボンデ
ィング領域12に穴122を設けない。
に生じたサージは、ボンディングワイヤ3から電子回路
へ流れようとしても、半導体基板13へ放出されるた
め、電子回路をサージから保護できる。さらに、外部端
子2、半導体チップ1をこの順に電気的に接続するた
め、サージを外部端子2へ流せる状態でボンディングワ
イヤ3がボンディング領域12にボンディングされる。
これによっても、電子回路をサージから保護できる。
回路と同様で、SOI構造上に設けられると、サージに
対して破壊されやすい。そこで、実施の形態6では、保
護回路6については別の基板に設ける。
導体装置を示す平面図である。図25において、23は
半導体チップ1に設けられたボンディング領域、7は半
導体基板、21及び22は半導体基板7上に形成された
ボンディング領域、31はボンディング領域22,23
にボンディングされたボンディングワイヤ、32は外部
端子2及びボンディング領域21にボンディングされた
ボンディングワイヤ、その他の符号は前述した符号に対
応している。保護回路6は半導体基板7上に形成され、
ボンディング領域21,22に接続されている。
及びグランドVss用の外部端子2から配線(図示せず)
を介して、電源Vdd及びグランドVssが供給される。
てが図23に示すボンディング領域12であっても、あ
るいは少なくとも1つが実施の形態1〜4のいずれかの
ボンディング領域12であってもよい。
の少なくとも1つに実施の形態1〜4のいずれかのボン
ディング領域を適用すれば、ボンディングによって形成
されるダイオードが電子回路をサージから保護するた
め、半導体基板7上の保護回路6を省略してもよい。
でもよい。図25では、半導体基板7は4つであるが、
図26では、半導体基板7は1つであり、半導体チップ
1は半導体基板7上に搭載されている。図27では、フ
リップチップ方式を適用する。図28に図27の断面を
示す。図28において、311は金、アルミ、半田等の
バンプであり、ボンディング領域23とボンディング領
域22とを電気的に接続する。フリップチップ方式によ
って、一度に多数のボンディング領域23とボンディン
グ領域22とを電気的に接続できるためスループットが
向上する。
板7へ流れ込むため、半導体チップ1上の電子回路をサ
ージから保護できる。
形態6における半導体装置の製造方法について説明す
る。まず、半導体チップ1、半導体基板7及び外部端子
2を準備する(図29)。
2をボンディングし、次にボンディング領域21にボン
ディングワイヤ32をボンディングする(図30)。次
に、ボンディング領域22にボンディングワイヤ31を
ボンディングし、次にボンディング領域23にボンディ
ングワイヤ31をボンディングする(図31)。このよ
うに、外部端子2、半導体基板7、半導体チップ1をこ
の順に電気的に接続するため、ボンディングワイヤ31
をボンディング領域23にボンディングする際には、ボ
ンディングワイヤ31は半導体基板7及び外部端子2に
電気的に接続されているため、ボンディングの際に生じ
たサージから電子回路を保護できる。
1、ボンディングワイヤ32、半導体チップ1、半導体
基板7をモールド樹脂4によって覆い、外部端子2をフ
レーミングして、半導体装置が完成する(図32)。
体基板7、半導体チップ1をこの順に電気的に接続する
ため、ボンディングの際に生じたサージから電子回路を
保護できる。
構造に設けられた場合を用いて説明したが、SOI構造
でない半導体基板上に電子回路が設けられていてもよ
い。例えば、図34を示すように、半導体基板13上に
電子回路を構成するMOSトランジスタ112を形成し
たものに適用してもよい。
ンディングパッドへとサージが伝搬して来た場合、サー
ジはダイオードを介して半導体基板へ伝搬する。したが
って、電子回路をサージから保護できる。
基板の表面との間にショットキー型のダイオードが形成
されるので、簡易に請求項1記載の発明の効果を得るこ
とができる。
の表面にPN接合型のダイオードが形成されるので、シ
ョットキー型のダイオードと比較して、降伏時の抵抗が
小さいため、サージが半導体基板へ流れ易くなる。
ディングパッドに接触しても絶縁膜が厚いほど、半導体
基板が露出している領域に接触することが困難になる
が、導電材を設けることによって半導体基板と導通する
ことができる。
央に存在することによって、接続材が端子の外縁へめが
けてボンディングされたとしても、接続材が領域に接触
し易い。
されている半導体層が絶縁膜によって半導体基板と絶縁
されている半導体装置では、サージが外部端子から半導
体層に伝搬してくると、サージが半導体層から流れ出る
経路が殆どないため、電子回路がサージによって破壊さ
れやすい。そこで、外部端子と半導体チップとの間に保
護基板を電気的に介在させて、外部端子から半導体チッ
プへサージが伝搬することを防ぐことによって、電子回
路をサージから保護できる。
に形成された電子回路はサージを逃がしにくいが、ステ
ップ(c)によって接続材は外部端子に接続されている
ので、ステップ(d)におけるボンディングの際にサー
ジが生じても、これは外部端子に流出するため、電子回
路をサージから保護できる。
回路へサージが流れようとしても、半導体基板の表面に
おいて形成されたPN接合型のダイオードを介して流出
するため、電子回路をサージから保護できる。
穴の側壁にしか達せず、穴の底にある半導体基板にまで
達しないようにボンディングされても、請求項8の効果
を得ることができる。
形成された電子回路を効果的にサージから保護できる。
形成された電子回路を効果的にサージから保護できる。
示す概念図である。
示す断面図である。
等価回路図である。
等価回路図である。
示す断面図である。
示す断面図である。
示す断面図である。
示す断面図である。
示す断面図である。
を示す断面図である。
を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
を示す概念図である。
を示す概念図である。
を示す概念図である。
を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
の製造方法を示す断面図である。
を示す断面図である。
用した場合を示す断面図である。
イヤ(接続材)、7半導体基板(保護基板)、11 電
子回路、12 ボンディングパッド、13半導体基板
(保護基板)、14 絶縁膜、31 ボンディングワイ
ヤ(第1接続材)、32 ボンディングワイヤ(第2接
続材)、33 バンプ(第1接続材)、111 SOI
層(半導体層)、121 ボンディングパッド、122
穴。
Claims (11)
- 【請求項1】 半導体基板と、 前記半導体基板に設けられた電子回路と、 前記電子回路に導通する端子と、 前記端子、前記半導体基板の表面のうち前記端子に隣接
して露出する領域の両方に共通してボンディングされる
金属の接続材とを備え、 前記半導体基板の表面を一方の電極とするダイオード
が、前記接続材と前記半導体基板との間に形成される半
導体装置。 - 【請求項2】 前記金属は前記領域と共にショットキー
接合を形成する請求項1記載の半導体装置。 - 【請求項3】 前記領域は、前記半導体基板とは反対の
導電型を有する請求項1記載の半導体装置。 - 【請求項4】 前記半導体基板と前記端子との間に形成
され、前記電子回路を囲み、前記領域と共に前記端子に
隣接して露出する絶縁膜と、 前記絶縁膜と前記領域とに跨って形成される導電材とを
更に備えた請求項3記載の半導体装置。 - 【請求項5】 前記領域は前記端子の中央に存在する請
求項1記載の半導体装置。 - 【請求項6】 半導体基板、 前記半導体基板上に形成された絶縁膜、 前記絶縁膜上に形成され、電子回路が形成された半導体
層を含む半導体チップと、 前記半導体層を電気的に保護するための保護基板と、 外部端子と、 前記半導体チップと前記保護基板とを電気的に接続する
第1接続材と、 前記保護基板と前記外部端子とを電気的に接続する第2
接続材とを備えた半導体装置。 - 【請求項7】 (a)半導体基板、 前記半導体基板上に形成された絶縁膜、 前記絶縁膜上に形成され、電子回路が形成された半導体
層、 前記電子回路に導通する端子、及び外部端子を準備する
ステップと、 (b)前記絶縁膜に穴を開けて前記半導体基板を露出さ
せるステップと、 (c)前記外部端子に対して金属の接続材の一端を接続
するステップと、 (d)露出した前記半導体基板及び前記端子に対して前
記接続材の他端をボンディングするステップとを備えた
半導体装置の製造方法。 - 【請求項8】 前記ステップ(b),(c)の間に実行
される (e)露出した前記半導体基板の表面の導電型を、前記
半導体基板の導電型と異ならせるステップをさらに含む
請求項7記載の半導体装置の製造方法。 - 【請求項9】 前記ステップ(e),(c)の間に実行
される (f)露出した前記半導体基板の表面から前記穴の側壁
に跨る導電材を形成するステップをさらに含む請求項8
記載の半導体装置の製造方法。 - 【請求項10】 前記電子回路は、SOI構造に設けら
れている請求項1又は6記載の半導体装置。 - 【請求項11】 前記電子回路は、SOI構造に設けら
れている請求項7記載の半導体装置の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10063046A JPH11261010A (ja) | 1998-03-13 | 1998-03-13 | 半導体装置及びその製造方法 |
TW087113300A TW452867B (en) | 1998-03-13 | 1998-08-13 | Semiconductor device and method for manufacturing the same |
US09/139,412 US6133625A (en) | 1998-03-13 | 1998-08-25 | Semiconductor device and method for manufacturing the same |
FR9811805A FR2776124B1 (fr) | 1998-03-13 | 1998-09-22 | Dispositif semiconducteur a diode et procede de fabrication |
DE19845294A DE19845294B4 (de) | 1998-03-13 | 1998-10-01 | Halbleitervorrichtung und Herstellungsverfahren einer Halbleitervorrichtung |
KR1019980044988A KR100306858B1 (ko) | 1998-03-13 | 1998-10-27 | 반도체장치및그제조방법 |
US09/500,008 US6248657B1 (en) | 1998-03-13 | 2000-02-08 | Semiconductor device and method for manufacturing the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP10063046A JPH11261010A (ja) | 1998-03-13 | 1998-03-13 | 半導体装置及びその製造方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH11261010A true JPH11261010A (ja) | 1999-09-24 |
Family
ID=13218010
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP10063046A Pending JPH11261010A (ja) | 1998-03-13 | 1998-03-13 | 半導体装置及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US6133625A (ja) |
JP (1) | JPH11261010A (ja) |
KR (1) | KR100306858B1 (ja) |
DE (1) | DE19845294B4 (ja) |
FR (1) | FR2776124B1 (ja) |
TW (1) | TW452867B (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6376881B1 (en) * | 1999-11-18 | 2002-04-23 | Oki Electric Industry Co., Ltd. | Protective element formed in an SOI substrate for preventing a breakdown in an oxide film located below a diffused resistor |
JP2008199045A (ja) * | 2008-03-19 | 2008-08-28 | Seiko Epson Corp | 半導体装置およびその製造方法 |
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TW410392B (en) * | 1998-01-23 | 2000-11-01 | Rohm Co Ltd | Damascene interconnection and semiconductor device |
KR20010085811A (ko) * | 1998-09-17 | 2001-09-07 | 엔도 마사루 | 다층빌드업배선판 |
JP2974022B1 (ja) * | 1998-10-01 | 1999-11-08 | ヤマハ株式会社 | 半導体装置のボンディングパッド構造 |
JP2002016065A (ja) * | 2000-06-29 | 2002-01-18 | Toshiba Corp | 半導体装置 |
US6887786B2 (en) * | 2002-05-14 | 2005-05-03 | Applied Materials, Inc. | Method and apparatus for forming a barrier layer on a substrate |
EP1519411A3 (en) * | 2003-09-26 | 2010-01-13 | Panasonic Corporation | Semiconductor device and method for fabricating the same |
US7808115B2 (en) * | 2004-05-03 | 2010-10-05 | Broadcom Corporation | Test circuit under pad |
US7691127B2 (en) * | 2005-12-13 | 2010-04-06 | Cardiva Medical, Inc. | Drug eluting vascular closure devices and methods |
DE102007016257A1 (de) * | 2007-04-04 | 2008-10-09 | X-Fab Semiconductor Foundries Ag | Verfahren zur Herstellung eines elektrischen Trägerscheibenkontaktes mit vorderseitigem Anschluss |
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JPS60247940A (ja) * | 1984-05-23 | 1985-12-07 | Hitachi Ltd | 半導体装置およびその製造方法 |
JPS6144454A (ja) * | 1984-08-09 | 1986-03-04 | Fujitsu Ltd | 半導体装置 |
JPH077783B2 (ja) * | 1988-03-18 | 1995-01-30 | 株式会社東芝 | 電気的接続部に銅もしくは銅合金製金属細線を配置する半導体装置 |
US5719448A (en) * | 1989-03-07 | 1998-02-17 | Seiko Epson Corporation | Bonding pad structures for semiconductor integrated circuits |
JP2617798B2 (ja) * | 1989-09-22 | 1997-06-04 | 三菱電機株式会社 | 積層型半導体装置およびその製造方法 |
US5113236A (en) * | 1990-12-14 | 1992-05-12 | North American Philips Corporation | Integrated circuit device particularly adapted for high voltage applications |
JP2550248B2 (ja) * | 1991-10-14 | 1996-11-06 | 株式会社東芝 | 半導体集積回路装置およびその製造方法 |
JP3211351B2 (ja) * | 1992-04-08 | 2001-09-25 | 関西日本電気株式会社 | 半導体装置 |
US5854085A (en) * | 1992-06-04 | 1998-12-29 | Lsi Logic Corporation | Multi-layer tab tape having distinct signal, power and ground planes, semiconductor device assembly employing same, apparatus for and method of assembling same |
JP3124144B2 (ja) * | 1993-01-27 | 2001-01-15 | 株式会社東芝 | 半導体装置 |
JP2944840B2 (ja) * | 1993-03-12 | 1999-09-06 | 株式会社日立製作所 | 電力用半導体装置 |
DE69417944T2 (de) * | 1993-04-30 | 1999-12-09 | Ibm | Verfahren zum Herstellen einer Schutzdiode gegen elektrostatische Entladungen in der Silizium-auf-Insulator-Technologie |
JPH077820A (ja) * | 1993-06-18 | 1995-01-10 | Takaoka Electric Mfg Co Ltd | 配電盤 |
EP0646959B1 (en) * | 1993-09-30 | 2001-08-16 | Consorzio per la Ricerca sulla Microelettronica nel Mezzogiorno | Metallization and bonding process for manufacturing power semiconductor devices |
US5382818A (en) * | 1993-12-08 | 1995-01-17 | Philips Electronics North America Corporation | Lateral semiconductor-on-insulator (SOI) semiconductor device having a buried diode |
JP2755148B2 (ja) * | 1993-12-28 | 1998-05-20 | ヤマハ株式会社 | 半導体装置 |
JPH07312424A (ja) * | 1994-05-18 | 1995-11-28 | Nippondenso Co Ltd | 半導体装置及びその製造方法 |
JPH0888323A (ja) * | 1994-09-19 | 1996-04-02 | Nippondenso Co Ltd | 半導体集積回路装置 |
DE69507284T2 (de) * | 1994-11-22 | 1999-07-01 | Philips Electronics Nv | Halbleiter mit einem träger auf dem ein substrat mit einem halbleiter-element mittels einer klebeschicht und ein leiterbahn-muster befestigt sind |
US5661082A (en) * | 1995-01-20 | 1997-08-26 | Motorola, Inc. | Process for forming a semiconductor device having a bond pad |
JPH0923017A (ja) * | 1995-07-06 | 1997-01-21 | Mitsubishi Electric Corp | Soi入力保護回路 |
US5700735A (en) * | 1996-08-22 | 1997-12-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method of forming bond pad structure for the via plug process |
JP3305211B2 (ja) * | 1996-09-10 | 2002-07-22 | 松下電器産業株式会社 | 半導体装置及びその製造方法 |
US5763918A (en) * | 1996-10-22 | 1998-06-09 | International Business Machines Corp. | ESD structure that employs a schottky-barrier to reduce the likelihood of latch-up |
-
1998
- 1998-03-13 JP JP10063046A patent/JPH11261010A/ja active Pending
- 1998-08-13 TW TW087113300A patent/TW452867B/zh not_active IP Right Cessation
- 1998-08-25 US US09/139,412 patent/US6133625A/en not_active Expired - Fee Related
- 1998-09-22 FR FR9811805A patent/FR2776124B1/fr not_active Expired - Fee Related
- 1998-10-01 DE DE19845294A patent/DE19845294B4/de not_active Expired - Fee Related
- 1998-10-27 KR KR1019980044988A patent/KR100306858B1/ko not_active IP Right Cessation
-
2000
- 2000-02-08 US US09/500,008 patent/US6248657B1/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6376881B1 (en) * | 1999-11-18 | 2002-04-23 | Oki Electric Industry Co., Ltd. | Protective element formed in an SOI substrate for preventing a breakdown in an oxide film located below a diffused resistor |
US6524898B2 (en) * | 1999-11-18 | 2003-02-25 | Oki Electric Industry Co., Ltd. | Method of fabricating a protective element in an SOI substrate |
US6784497B2 (en) | 1999-11-18 | 2004-08-31 | Oki Electric Industry, Co., Ltd. | Semiconductor device |
JP2008199045A (ja) * | 2008-03-19 | 2008-08-28 | Seiko Epson Corp | 半導体装置およびその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
DE19845294B4 (de) | 2005-11-03 |
KR100306858B1 (ko) | 2001-11-17 |
FR2776124B1 (fr) | 2002-08-30 |
US6248657B1 (en) | 2001-06-19 |
DE19845294A1 (de) | 1999-09-23 |
US6133625A (en) | 2000-10-17 |
KR19990076526A (ko) | 1999-10-15 |
FR2776124A1 (fr) | 1999-09-17 |
TW452867B (en) | 2001-09-01 |
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