JPH01155654A - 相補型集積回路 - Google Patents

相補型集積回路

Info

Publication number
JPH01155654A
JPH01155654A JP62313587A JP31358787A JPH01155654A JP H01155654 A JPH01155654 A JP H01155654A JP 62313587 A JP62313587 A JP 62313587A JP 31358787 A JP31358787 A JP 31358787A JP H01155654 A JPH01155654 A JP H01155654A
Authority
JP
Japan
Prior art keywords
silicon oxide
well
integrated circuit
type semiconductor
semiconductor substrate
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
Application number
JP62313587A
Other languages
English (en)
Inventor
Koji Kawada
浩二 川田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Priority to JP62313587A priority Critical patent/JPH01155654A/ja
Publication of JPH01155654A publication Critical patent/JPH01155654A/ja
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01LSEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L27/00Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
    • H01L27/02Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
    • H01L27/04Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body
    • H01L27/08Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind
    • H01L27/085Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only
    • H01L27/088Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
    • H01L27/092Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate complementary MIS field-effect transistors
    • H01L27/0921Means for preventing a bipolar, e.g. thyristor, action between the different transistor regions, e.g. Latchup prevention

Landscapes

  • Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。

Description

【発明の詳細な説明】 〔産業上の利用分野〕 本発明は相補型集積回路に関し、特にCMO8集積回路
関する。
〔従来の技術〕
第2図に示す様に従来のCMO3:j&積回路はP型半
導体基板6内にpMOSトランジスタ形成用のNウェル
1を設けた構造となっている。Nウェル1は、P型半導
体基板6内に逆バイアス状態に電位を与えられている。
3,4はNウェル1に設けられたP4領域で、9MO3
)−ランジスタのソース・ドレイン領域、8,9はP型
半導体基板のP領域に設けられたN+領領域、nMO3
)ランジスタのソース・トレイン領域である。
〔発明が解決しようとする問題点〕
上述した従来の相補型集積回路には、寄生NPNラテラ
ルトランジスタ10と、寄生PNP)ランジスタ5とで
構成される寄生サイリスタが不可避的に存在し、ある量
のトリガー電流が流入すると、寄生NPNトランジスタ
10と寄生N P N I−ランジスタ5との間に正帰
還が生じてラッチアップを生じ易いという欠点がある。
〔問題点を解決するための手段〕
本発明の相補型集積回路は、第1導電型半導体基板に第
2導電型ウェルを設けてなる相補型集積回路において、
前記第2導電型ウェルとその周囲の第1導電型半導体領
域との境界に絶縁層が設けられているというものである
〔実施例〕
次に、本発明の実施例について図面を参照して説明する
第1図は本発明の一実施例を示す半導体チップの断面図
である。
この実施例は、シリコンからなるP型半導体基板6に設
けられたNウェル1とその周囲のP型半導体領域との境
界に酸化シリコン層11として示す絶縁層が設けられて
いるというものである。
酸化シリコン層11のうちウェルの側面部は、半導体基
板に溝を掘り、熱酸化法で酸化すればよく、必要ならば
更にノンドープ多結晶シリコン等で充填する工程を追加
すればよい。つまり、トレンチ絶縁分離法を用いればよ
い9又、ウェル底部の酸化シリコン膜の形成は、酸素イ
オンを所定深さに注入し、熱処理を行って酸化物に変換
すればよい。例えば、加速電圧100keV。
ドーズ量5X1018c+n−’で酸素イオンを注入し
、1200℃、100分の熱処理で、表面から0.3μ
mの深さに、厚さ0.1μmの酸化シリコン膜を形成す
ることができる。
酸素だけでなく窒素をイオン注入したのち熱処理を施し
、窒化シリンコン膜を形成してもよい。
更に、酸素と窒素の両方を注入して熱窒化シリコ膜を形
成してもよい。
この絶縁層の存在により寄生トランジスタ間に抵抗r(
1,R2が挿入されていることになるので、ラッチアッ
プ耐量は著しく増大する。
〔発明の効果〕
以上説明したように本発明は、ウェルと半導体基板との
境界に絶縁膜が設けられているので、寄生サイリスタに
正帰還が発生することを抑え、相補型集積回路のラッチ
アップを防止できるという効果がある。尚、以上の説明
でPをN、NをPに導電型を変更しても同様に本発明を
適用できることはいうまでもない。
【図面の簡単な説明】
第1図及び第2図はそれぞれ本発明の一実施例及び従来
例を示す半導体チップの断面図である。 1・・・Nウェル、2・・・N“領域、3,4・・・P
+領域、5・・・寄生PNPトランジスタ、6・・・P
型半導体基板、7.8・・・N+領領域9・・・P+領
域、10・・・寄生NPN)ランジスタ、11・・・酸
化シリコン層。

Claims (1)

    【特許請求の範囲】
  1.  第1導電型半導体基板に第2導電型ウェルを設けてな
    る相補型集積回路において、前記第2導電型ウェルとそ
    の周囲の第1導電型半導体領域との境界に絶縁層が設け
    られていること特徴とする相補型集積回路。
JP62313587A 1987-12-11 1987-12-11 相補型集積回路 Pending JPH01155654A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62313587A JPH01155654A (ja) 1987-12-11 1987-12-11 相補型集積回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62313587A JPH01155654A (ja) 1987-12-11 1987-12-11 相補型集積回路

Publications (1)

Publication Number Publication Date
JPH01155654A true JPH01155654A (ja) 1989-06-19

Family

ID=18043109

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62313587A Pending JPH01155654A (ja) 1987-12-11 1987-12-11 相補型集積回路

Country Status (1)

Country Link
JP (1) JPH01155654A (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943589A (en) * 1997-01-30 1999-08-24 Nec Corporation Method of fabricating semiconductor device with a trench isolation
KR100641954B1 (ko) * 2004-07-12 2006-11-06 주식회사 하이닉스반도체 웰 접합 래치 업 현상을 방지하는 메모리 장치
US7485394B2 (en) 2003-12-26 2009-02-03 Sony Corporation Battery having a case with an identification recess and guide grooves for coupling to an electronic device
US7794867B2 (en) 2003-12-26 2010-09-14 Sony Corporation Battery device and electronic apparatus
US7824799B2 (en) * 2003-12-26 2010-11-02 Sony Corporation Battery device and electronic apparatus
US7989101B2 (en) 2006-08-28 2011-08-02 Sony Corporation Battery device, electronic apparatus, and battery system
US11196121B2 (en) 2006-08-28 2021-12-07 Sony Corporation Battery device, electronic apparatus, and battery system

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5943589A (en) * 1997-01-30 1999-08-24 Nec Corporation Method of fabricating semiconductor device with a trench isolation
US8563167B2 (en) 2003-12-26 2013-10-22 Sony Corporation Battery device and electronic apparatus
US9331317B2 (en) * 2003-12-26 2016-05-03 Sony Corporation Battery device and electronic apparatus
US20140023902A1 (en) * 2003-12-26 2014-01-23 Sony Corporation Battery device and electronic apparatus
US8617741B2 (en) 2003-12-26 2013-12-31 Sony Corporation Battery device and electronic apparatus
US9680137B2 (en) 2003-12-26 2017-06-13 Sony Corporation Battery device and electronic apparatus
US8021777B2 (en) 2003-12-26 2011-09-20 Sony Corporation Battery device and electronic apparatus
US8048553B2 (en) 2003-12-26 2011-11-01 Sony Corporation Battery device and electronic apparatus
US9425443B2 (en) 2003-12-26 2016-08-23 Sony Corporation Battery device and electronic apparatus
US8432127B2 (en) 2003-12-26 2013-04-30 Sony Corporation Battery device and electronic apparatus
US8461799B2 (en) 2003-12-26 2013-06-11 Sony Corporation Battery device and electronic apparatus
US9419260B2 (en) 2003-12-26 2016-08-16 Sony Corporation Battery device and electronic apparatus
US7485394B2 (en) 2003-12-26 2009-02-03 Sony Corporation Battery having a case with an identification recess and guide grooves for coupling to an electronic device
US9034515B2 (en) 2003-12-26 2015-05-19 Sony Corporation Battery device and electronic apparatus
US7794867B2 (en) 2003-12-26 2010-09-14 Sony Corporation Battery device and electronic apparatus
US7824799B2 (en) * 2003-12-26 2010-11-02 Sony Corporation Battery device and electronic apparatus
US8802280B2 (en) 2003-12-26 2014-08-12 Sony Corporation Battery device and electronic apparatus
KR100641954B1 (ko) * 2004-07-12 2006-11-06 주식회사 하이닉스반도체 웰 접합 래치 업 현상을 방지하는 메모리 장치
US8883334B2 (en) 2006-08-28 2014-11-11 Sony Corporation Battery device, electronic apparatus, and battery system
US8945745B2 (en) 2006-08-28 2015-02-03 Sony Corporation Battery device, electronic apparatus, and battery system
US11196121B2 (en) 2006-08-28 2021-12-07 Sony Corporation Battery device, electronic apparatus, and battery system
US8470465B2 (en) 2006-08-28 2013-06-25 Sony Corporation Battery device, electronic apparatus, and battery system
US8241774B2 (en) 2006-08-28 2012-08-14 Sony Corporation Battery device, electronic apparatus, and battery system
US9455426B2 (en) 2006-08-28 2016-09-27 Sony Corporation Battery device, electronic apparatus, and battery system
US7989101B2 (en) 2006-08-28 2011-08-02 Sony Corporation Battery device, electronic apparatus, and battery system
US10326116B2 (en) 2006-08-28 2019-06-18 Sony Corporation Battery device, electronic apparatus, and battery system
US8790807B2 (en) 2006-08-28 2014-07-29 Sony Corporation Battery device, electronic apparatus, and battery system

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