JPH0161655U - - Google Patents
Info
- Publication number
- JPH0161655U JPH0161655U JP15562587U JP15562587U JPH0161655U JP H0161655 U JPH0161655 U JP H0161655U JP 15562587 U JP15562587 U JP 15562587U JP 15562587 U JP15562587 U JP 15562587U JP H0161655 U JPH0161655 U JP H0161655U
- Authority
- JP
- Japan
- Prior art keywords
- gate electrode
- ion sensitive
- wiring board
- view
- biosensor
- 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
Links
- 230000005669 field effect Effects 0.000 claims 1
- 239000004065 semiconductor Substances 0.000 claims 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
第１図イ，ロは本考案の一実施例のバイオセン
サのイオン感応部チツプを示す平面図、同―
断面図、第２図はＦＥＴの斜視図、第３図はこの
実施例に使用する配線基板を示す平面図、第４図
はこの配線基板にイオン感応部チツプとＦＥＴを
組み込んだ状態の平面図、第５図はその―断
面図、第６図はＩＳＦＥＴを用いた測定回路図、
第７図イ，ロは従来の分離ゲート型バイオセンサ
を示す図であつて、イは表面の樹脂コート膜を除
いた平面図、ロはイにこの樹脂コート膜を設けた
ときの―断面図である。
図中、１２はゲート電極用銀電極、１３は比較
電極用銀電極、１４はイオン感応性膜、２３は配
線基板、２４はＦＥＴである。
Figures 1A and 1B are plan views showing the ion sensing chip of a biosensor according to an embodiment of the present invention;
2 is a perspective view of the FET, FIG. 3 is a plan view showing the wiring board used in this example, and FIG. 4 is a plan view of the wiring board with the ion sensing chip and FET installed. , Figure 5 is its cross-sectional view, Figure 6 is a measurement circuit diagram using ISFET,
7A and 7B are diagrams showing a conventional separation gate type biosensor, in which A is a plan view with the resin coated film on the surface removed, and B is a cross-sectional view when the resin coated film is provided on A. It is. In the figure, 12 is a silver electrode for a gate electrode, 13 is a silver electrode for a comparison electrode, 14 is an ion-sensitive film, 23 is a wiring board, and 24 is an FET.
Claims (1)
ート電極上の少なくとも一部にイオン感応性膜を
被覆したイオン感応部と、電界効果型半導体とを
配線基板上に個別に配置し接続して有することを
特徴とするバイオセンサ。 An ion sensitive part having a gate electrode and a comparison electrode facing each other and having at least a part of the gate electrode covered with an ion sensitive film, and a field effect semiconductor are separately arranged and connected on a wiring board. A biosensor comprising:
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987155625U JPH0740208Y2 (en) | 1987-10-13 | 1987-10-13 | Sensor for specimen component detection |
| DE8888117028T DE3876602T2 (en) | 1987-10-13 | 1988-10-13 | ION SENSOR. |
| EP88117028A EP0315788B1 (en) | 1987-10-13 | 1988-10-13 | Ion sensor |
| US07/257,439 US4921591A (en) | 1987-10-13 | 1988-10-13 | Ion sensors and their divided parts |
| US07/257,381 US5078855A (en) | 1987-10-13 | 1988-10-13 | Chemical sensors and their divided parts |
| DE8888117039T DE3870156D1 (en) | 1987-10-13 | 1988-10-13 | CHEMICAL SENSORS AND THEIR COMPONENTS. |
| EP88117039A EP0315790B1 (en) | 1987-10-13 | 1988-10-13 | Chemical sensors and their divided parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987155625U JPH0740208Y2 (en) | 1987-10-13 | 1987-10-13 | Sensor for specimen component detection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0161655U true JPH0161655U (en) | 1989-04-19 |
| JPH0740208Y2 JPH0740208Y2 (en) | 1995-09-13 |
Family
ID=31433419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987155625U Expired - Lifetime JPH0740208Y2 (en) | 1987-10-13 | 1987-10-13 | Sensor for specimen component detection |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0740208Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59142452A (en) * | 1983-02-02 | 1984-08-15 | Nec Corp | Ion sensor |
| JPS6029657A (en) * | 1983-07-28 | 1985-02-15 | Mitsubishi Electric Corp | Glucose sensor |
| JPS61120958A (en) * | 1984-11-17 | 1986-06-09 | Horiba Ltd | Ion sensor having glass response film |
-
1987
- 1987-10-13 JP JP1987155625U patent/JPH0740208Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59142452A (en) * | 1983-02-02 | 1984-08-15 | Nec Corp | Ion sensor |
| JPS6029657A (en) * | 1983-07-28 | 1985-02-15 | Mitsubishi Electric Corp | Glucose sensor |
| JPS61120958A (en) * | 1984-11-17 | 1986-06-09 | Horiba Ltd | Ion sensor having glass response film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0740208Y2 (en) | 1995-09-13 |
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