JPS62102160U - - Google Patents

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Publication number
JPS62102160U
JPS62102160U JP19494385U JP19494385U JPS62102160U JP S62102160 U JPS62102160 U JP S62102160U JP 19494385 U JP19494385 U JP 19494385U JP 19494385 U JP19494385 U JP 19494385U JP S62102160 U JPS62102160 U JP S62102160U
Authority
JP
Japan
Prior art keywords
region
island
isfet
silicon layer
polycrystalline silicon
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.)
Granted
Application number
JP19494385U
Other languages
English (en)
Other versions
JPH0725688Y2 (ja
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 filed Critical
Priority to JP1985194943U priority Critical patent/JPH0725688Y2/ja
Publication of JPS62102160U publication Critical patent/JPS62102160U/ja
Application granted granted Critical
Publication of JPH0725688Y2 publication Critical patent/JPH0725688Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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  • Junction Field-Effect Transistors (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例を示す構成図である
。第2図は回路図である。図において1は基板、
2はN型領域、3は島状シリコン層、4,4′は
チヤンネルストツパ、5はドレイン領域、6はソ
ース領域、7はイオン感応部、8は絶縁部、9,
10,11は多結晶シリコン層、12,13,1
4は金属電極部である。

Claims (1)

    【実用新案登録請求の範囲】
  1. Si基板上にPN接合で囲まれて設けられた島
    状シリコン層にISFETを形成すると共に該島
    状シリコン層内のISFETのソース領域ドレイ
    ン領域、ならびに基板アース領域の各々に多結晶
    シリコンを設け、該多結晶シリコンを絶縁物を介
    してイオン感応部から離れた領域まで延長せしめ
    、その端部上でそれぞれ金属とのオーミツク接触
    をとるようにしたことを特徴とする半導体イオン
    センサ。
JP1985194943U 1985-12-18 1985-12-18 半導体イオンセンサ Expired - Lifetime JPH0725688Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1985194943U JPH0725688Y2 (ja) 1985-12-18 1985-12-18 半導体イオンセンサ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1985194943U JPH0725688Y2 (ja) 1985-12-18 1985-12-18 半導体イオンセンサ

Publications (2)

Publication Number Publication Date
JPS62102160U true JPS62102160U (ja) 1987-06-29
JPH0725688Y2 JPH0725688Y2 (ja) 1995-06-07

Family

ID=31152383

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1985194943U Expired - Lifetime JPH0725688Y2 (ja) 1985-12-18 1985-12-18 半導体イオンセンサ

Country Status (1)

Country Link
JP (1) JPH0725688Y2 (ja)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676042A (en) * 1979-11-28 1981-06-23 Shindengen Electric Mfg Co Ltd Field effect transistor for ion sensor
JPS59100851A (ja) * 1982-12-02 1984-06-11 Nec Corp 半導体イオンセンサ
JPS59206756A (ja) * 1983-05-11 1984-11-22 Hitachi Ltd 参照電極を一体化したfet化学センサ−
JPS59225344A (ja) * 1983-06-06 1984-12-18 Sanken Electric Co Ltd イオンセンサ−用絶縁ゲ−ト電界効果トランジスタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5676042A (en) * 1979-11-28 1981-06-23 Shindengen Electric Mfg Co Ltd Field effect transistor for ion sensor
JPS59100851A (ja) * 1982-12-02 1984-06-11 Nec Corp 半導体イオンセンサ
JPS59206756A (ja) * 1983-05-11 1984-11-22 Hitachi Ltd 参照電極を一体化したfet化学センサ−
JPS59225344A (ja) * 1983-06-06 1984-12-18 Sanken Electric Co Ltd イオンセンサ−用絶縁ゲ−ト電界効果トランジスタ

Also Published As

Publication number Publication date
JPH0725688Y2 (ja) 1995-06-07

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