JPS59162656U - Ion selective field effect sensor - Google Patents
Ion selective field effect sensorInfo
- Publication number
- JPS59162656U JPS59162656U JP2870084U JP2870084U JPS59162656U JP S59162656 U JPS59162656 U JP S59162656U JP 2870084 U JP2870084 U JP 2870084U JP 2870084 U JP2870084 U JP 2870084U JP S59162656 U JPS59162656 U JP S59162656U
- Authority
- JP
- Japan
- Prior art keywords
- selective field
- cation
- effect sensor
- field effect
- ion selective
- 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
Links
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (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。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案によるイオン選択性電界効果型センサの
イオン選択性電極素子の原理を示す断面図、第２図はイ
オン選択性電極素子の製造に用いるマスクパターンを示
す略平面図、第３図は完成゛したセンサの全体の概念を
略図として示す斜視図、第４ａ図は本考案センサの実装
状態であり、一部を破断して示す側面図、第４ｂ図は第
４ａ図のセンサの部分を拡大して示す図、第５図は本考
案によるセンサの実測例を示す図表であり、横軸にに十
の陽イオンモル濃度、縦軸にドレイン電流より算出した
ゲートソース電位差Ｖ。、を示す特性図である。
１１・・・ソース、１２・・・ドレイン、１３・・・基
板半一導体、１４．１５・・・絶縁膜、１６・・・電解
質溶液、４ト・・注射針、４２・・・比較電極、４３・
・・測定電極。FIG. 1 is a cross-sectional view showing the principle of the ion-selective electrode element of the ion-selective field-effect sensor according to the present invention, FIG. 2 is a schematic plan view showing the mask pattern used for manufacturing the ion-selective electrode element, and FIG. The figure is a perspective view schematically showing the overall concept of the completed sensor, Figure 4a is a partially cutaway side view showing the sensor of the present invention in a mounted state, and Figure 4b is the sensor of Figure 4a. FIG. 5 is a diagram showing an example of actual measurement of the sensor according to the present invention, in which the horizontal axis represents the cation molar concentration and the vertical axis represents the gate-source potential difference V calculated from the drain current. FIG. DESCRIPTION OF SYMBOLS 11... Source, 12... Drain, 13... Substrate semiconductor, 14.15... Insulating film, 16... Electrolyte solution, 4T... Syringe needle, 42... Reference electrode , 43・
...Measurement electrode.
Claims (1)
環状化合物を所望のパターンとして半導体表面に固定化
させた構造を有し、測定対象陽イオンに選択性感受性を
有する陽イオン選択性電界効果型センサ素子を微小電極
の形状として測定電極４３を構成し、該測定電極４３と
、比較電極４２の液絡部４２５がともに注射針の先端の
開口部近傍に装置する如く構成し、かつ測定電極の先端
部にはに十選択性を有する固体感応膜を形成し、さらに
該注射針の基部に内部照合電極と接する内部液を収容し
てなるイオン選択性電界効果型センサ。A cation-selective field-effect type that has a structure in which a petro macrocyclic compound that forms a stable complex with the cation to be measured is immobilized on the semiconductor surface in a desired pattern, and is selectively sensitive to the cation to be measured. The measurement electrode 43 is configured with the sensor element in the shape of a microelectrode, the measurement electrode 43 and the liquid junction 425 of the reference electrode 42 are both arranged near the opening at the tip of the injection needle, and An ion-selective field-effect sensor comprising a solid sensitive membrane having high selectivity formed at the tip and further containing an internal liquid in contact with an internal reference electrode at the base of the injection needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870084U JPS59162656U (en) | 1984-02-29 | 1984-02-29 | Ion selective field effect sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2870084U JPS59162656U (en) | 1984-02-29 | 1984-02-29 | Ion selective field effect sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59162656U true JPS59162656U (en) | 1984-10-31 |
Family
ID=30159580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2870084U Pending JPS59162656U (en) | 1984-02-29 | 1984-02-29 | Ion selective field effect sensor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59162656U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008542733A (en) * | 2005-05-30 | 2008-11-27 | メトラー−トレド アクチェンゲゼルシャフト | Electrochemical sensor |
-
1984
- 1984-02-29 JP JP2870084U patent/JPS59162656U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008542733A (en) * | 2005-05-30 | 2008-11-27 | メトラー−トレド アクチェンゲゼルシャフト | Electrochemical sensor |
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