JPS62152258U - - Google Patents
Info
- Publication number
- JPS62152258U JPS62152258U JP2250986U JP2250986U JPS62152258U JP S62152258 U JPS62152258 U JP S62152258U JP 2250986 U JP2250986 U JP 2250986U JP 2250986 U JP2250986 U JP 2250986U JP S62152258 U JPS62152258 U JP S62152258U
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- printed circuit
- chip
- covered
- potting agent
- 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
- 239000003795 chemical substances by application Substances 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 2
- 230000001070 adhesive effect Effects 0.000 claims description 2
- 102000004190 Enzymes Human genes 0.000 claims 1
- 108090000790 Enzymes Proteins 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 230000005669 field effect Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 2
- MUJOIMFVNIBMKC-UHFFFAOYSA-N fludioxonil Chemical compound C=12OC(F)(F)OC2=CC=CC=1C1=CNC=C1C#N MUJOIMFVNIBMKC-UHFFFAOYSA-N 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Structures Or Materials For Encapsulating Or Coating Semiconductor Devices Or Solid State Devices (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
Description
第１図は本考案の一実施例を示す実装断面図で
、第２図は第１図のチツプの一例の断面図、第３
図は従来のセンサチツプとプリント基板の実装断
面図、第４図は全体の構成を示す斜視図である。
１…サフアイア基板、２…トランジスタ、３…
失活した酵素固定化膜、４…酵素固定化膜、５…
参照電極、６…センサチツプ、７…プリント基板
、８，８′…接続パターン、９…接着剤、１０…
ワイヤ、１１…ポツテイング剤、１２…ワツクス
。
FIG. 1 is a cross-sectional view of an implementation of the present invention, FIG. 2 is a cross-sectional view of an example of the chip shown in FIG. 1, and FIG.
The figure is a cross-sectional view of a conventional sensor chip and a printed circuit board, and FIG. 4 is a perspective view showing the overall structure. 1...Saphire substrate, 2...transistor, 3...
Deactivated enzyme-immobilized membrane, 4... Enzyme-immobilized membrane, 5...
Reference electrode, 6... Sensor chip, 7... Printed circuit board, 8, 8'... Connection pattern, 9... Adhesive, 10...
wire, 11...potting agent, 12...wax.
Claims (1)
酵素の固定化膜を設けたセンサチツプとプリント
基板を実装し、前記チツプと前記プリント基板と
の間を接着剤によつて固着し、前記チツプと前記
プリント基板の所望電極間をワイヤボンデイング
によつて接続して尿素センサにおいて、このワイ
ヤ近傍をポツテイング剤によつて覆い、このポツ
テイング剤の表面をワツクスによつて被覆したこ
とを特徴とする尿素センサ。 A sensor chip having an enzyme immobilized film provided on the surface of an ion-sensitive field effect transistor and a printed circuit board are mounted, and the chip and the printed circuit board are fixed with an adhesive, and the chip and the printed circuit board are bonded together. What is claimed is: 1. A urea sensor in which desired electrodes are connected by wire bonding, the vicinity of the wires being covered with a potting agent, and the surface of the potting agent being covered with wax.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2250986U JPH0429406Y2 (en) | 1986-02-18 | 1986-02-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2250986U JPH0429406Y2 (en) | 1986-02-18 | 1986-02-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62152258U true JPS62152258U (en) | 1987-09-26 |
| JPH0429406Y2 JPH0429406Y2 (en) | 1992-07-16 |
Family
ID=30819960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2250986U Expired JPH0429406Y2 (en) | 1986-02-18 | 1986-02-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0429406Y2 (en) |
-
1986
- 1986-02-18 JP JP2250986U patent/JPH0429406Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0429406Y2 (en) | 1992-07-16 |