CN201611341U - Electrochemical sensitive test slice - Google Patents
Electrochemical sensitive test slice Download PDFInfo
- Publication number
- CN201611341U CN201611341U CN2010201169264U CN201020116926U CN201611341U CN 201611341 U CN201611341 U CN 201611341U CN 2010201169264 U CN2010201169264 U CN 2010201169264U CN 201020116926 U CN201020116926 U CN 201020116926U CN 201611341 U CN201611341 U CN 201611341U
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- electrode
- test piece
- reaction
- electrochemical sensing
- insulated substrate
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Abstract
An electrochemical sensitive test slice, prepares an insulation substrate; forms two conductive loops on the surface of insulation substrate in a sputtering mode, an electrode is formed on the opposite part of the opening of eitherconductive loop; a reaction area is programmed at the surrounding of the two electrodes, at least one insulation layer is covered on the reaction area, one through-hole is respectively penetrated on the insulation layer relative to the two electrode; the reaction medicament is dropped on the surfaces of the two electrodes through the through-holes; a bonding layer is adhered to the insulation layer, a concave reaction gap is provided at the part of the bonding layer relative to the reaction area; a panel is adhered to the bonding layer, to cover the reaction gap. The electrochemical sensitive test slice of the utility model constitutes a reaction space by a laminated structure, and cooperates the physical vapor deposition mode to form the two electrodes of the electrochemical sensitive test slice, therefore the two electrode material ingredients have purity control degree, the metal membrane also has the more flat surface, and uses the nanometer accuracy to control electrode thickness, without increasing laminated construction due to the thickness of the test slice.
Description
Technical field
It is relevant that the utility model relates to a kind of electrochemical sensing test piece, relates in particular to a kind of discard type electrochemical sensing test piece.
Background technology
The principle of electrochemical sensor (Electrochemical Sensor) was applied to by maturation in the detection of various fluids recent decades.But because of different demands has different outfits, especially the blood in treating fluid measured behaviour body, when analysans is blood sugar, then can utilize a glucose oxidase ferment and other compound to be used as chemical reagent.
Yet common have two test electrodes usually in order to the blood-glucose meter that detects blood sugar, and it is respectively reference electrode (Reference Electrode) and working electrode (Working Electrode).And because on the method for making of electrode or the material selected for use, the degree of accuracy of the numerical value that all can influence in the detection to be obtained, at the material current-carrying part, conductive resistance is low, and conductive stability is high more good more.Therefore, material select for use and conductive stability has very big influence to measurement.And on conventional conductive carbon paste typography, often can't make two electrodes form comparatively even curface, Composition Control is also unstable, so also become the influence on detecting, the principal element that the numerical stability that is obtained is not good.Especially also must provide necessary reaction compartment for two electrodes in test piece, and how constitute this reaction compartment at lower cost, to meet the low-cost demand of the deserted product of this kind, also be one of problem that the utility model solved.
The utility model content
Fundamental purpose of the present utility model, being to provide a kind of electrochemical sensing test piece, it is to constitute a reaction compartment with stacked structure, and cooperate the physical vapor depositional mode to form two interior electrodes of electrochemical sensing test piece, so that described two electrode material composition purity degree of control height, metal film also has comparatively even curface, and with the degree of accuracy control electrode thickness of nanometer, so as to the degree of accuracy of the numerical value that is obtained when detecting is provided, do not cause thickness of test piece to increase simultaneously because of stepped construction.
To achieve the above object, the utility model provides a kind of electrochemical sensing test piece, comprising:
One insulated substrate, its surface attachment two galvanic circles, each forms an electrode that is constituted in the physical vapour deposition (PVD) mode on described two galvanic circles, and described two galvanic circles extend to an end of this insulated substrate by its electrode, and this insulated substrate is provided with one in this end and plugs end;
One insulation course is covered in this two electrode and locates on every side, and wears a through hole in this insulation course respectively with respect to described two electrode places;
One tack coat is attached at this insulated substrate and is covered on this insulation course, and this tack coat is concaved with a reaction breach with respect to described two electrode places; And
One panel is attached at this tack coat and is covered on this reaction breach.
Above-mentioned electrochemical sensing test piece, wherein, this insulated substrate one side forms an opening, and relative with described two electrodes.
Above-mentioned electrochemical sensing test piece, wherein, plugging of this insulated substrate has an affirmation electrode that forms in the physical vapour deposition (PVD) mode on the end.
Above-mentioned electrochemical sensing test piece, wherein, described physical vapour deposition (PVD) mode is meant sputter or evaporation.
Above-mentioned electrochemical sensing test piece, wherein, this tack coat is a double faced adhesive tape.
Above-mentioned electrochemical sensing test piece, wherein, this panel wears a pore with respect to described reaction indentation, there.
Effect of the present utility model is, the electrochemical sensing test piece that the utility model provides, be to constitute a reaction compartment with stacked structure, and cooperate the physical vapor depositional mode to form two interior electrodes of electrochemical sensing test piece, thereby make described two electrode material composition purity degree of control height, metal film also has comparatively even curface, and with the degree of accuracy control electrode thickness of nanometer, so as to the degree of accuracy of the numerical value that is obtained when detecting is provided, do not cause thickness of test piece to increase simultaneously because of stepped construction.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
The flow chart of steps of Fig. 1 the utility model technology;
The three-dimensional appearance synoptic diagram of Fig. 2 the utility model insulated substrate;
The three-dimensional appearance synoptic diagram of Fig. 3 the utility model insulated substrate sputter galvanic circle;
Fig. 4 the utility model insulated substrate is printed with the three-dimensional appearance synoptic diagram of insulation course;
Fig. 5 the utility model pharmacy response splashes into the three-dimensional appearance synoptic diagram on two electrodes;
Fig. 6 the utility model insulated substrate is coated with the perspective exploded view of tack coat and panel;
The three-dimensional appearance synoptic diagram of Fig. 7 the utility model test piece;
Fig. 8 is the 8-8 cross-section cutaway view of Fig. 7.
Wherein, Reference numeral
Opening 10 galvanic circles 11
Electrode 110 galvanic circles 12
Electrode 120 plugs end 13
Confirm electrode 130
Through hole 20 through holes 21
Step S1～S6
Embodiment
For further disclosing in detail feature of the present utility model and technology contents, see also following about detailed description of the present utility model and accompanying drawing, yet appended graphic only provide with reference to and usefulness is described, be not to be used for the utility model is limited.
Seeing also Fig. 1, Fig. 2 and Fig. 3, is decomposing schematic representation and the combination synoptic diagram that is respectively flow chart of steps of the present utility model, the utility model electrochemical sensing test piece.The utility model provides a kind of electrochemical sensing test piece, and its processing step and structure thereof are as follows:
At first, as the step S1 of Fig. 1, and cooperate shown in Figure 2: prepare an insulated substrate 1, this insulated substrate 1 can be a strip and constitute described test piece external form, the one side is formed with an opening 10, and the blood 5 (as shown in Figure 8) of human body is infiltrated by this opening 10 during for detection.
Hold, step S2 as Fig. 1, and cooperate shown in Figure 3: on this insulated substrate 1, cooperate the physical vapor depositional mode to form two galvanic circles 11,12, described physical vapour deposition (PVD) mode can be sputter or evaporation, and described two galvanic circles 11,12 all can be adhered to institute by conductive materials such as gold, silver, copper, nickel, platinum, palladium, rhodium, aluminium, titanium or its alloys and constitute, also can be non-metallic material, and two galvanic circles 11,12 respectively are formed with an electrode 110,120 in above-mentioned opening 10 opposite positions; Wherein, described two electrodes 110,120 are a reference electrode (Counter Electrode) and a working electrode (Working Electrode), two electrodes 110,120 and opening 10 close around to locate are reaction zones 22 (as shown in Figure 4) of desire generation electro-chemical reaction during for detection.And because sputter or evaporation mode can make formed two electrodes, 110,120 membranous Stability Analysis of Structures, surface comparatively smooth, so the degree of accuracy of the numerical value that is obtained in detection is also higher.In addition, described two galvanic circles the 11, the 12nd are extended to an end of this insulated substrate 1 by its electrode 110,120, and insulated substrate 1 in this end be provided with one plug the end 13, this plugs on the end 13 also can form an affirmation electrode 130 by sputtering way, use for this test piece and can insert just like pick-up units such as blood sugar test device (figure slightly), to confirm by this affirmation electrode 130 whether test piece inserts by plugging end 13.
Afterwards, step S3 as Fig. 1, and cooperate shown in Figure 4: printing one insulation course 2 on above-mentioned insulated substrate 1, and when planning described a detection around two electrodes 110,120 reaction zone 22 of desire generation electro-chemical reaction, and this insulation course 2 must be covered on the described reaction zone 22 at least, and this insulation course 2 is equipped with a through hole 20,21 respectively with respect to described two electrodes 110,120 places.
Then,, and cooperate shown in Figure 5: pharmacy response 23 is splashed into these two electrodes, 110,120 surfaces being covered on the reaction zone 22 by above-mentioned through hole 20,21, and treat evenly diffusion back and solidifying of described pharmacy response 23 as the step S4 of Fig. 1.In addition, in this step, also can further pharmacy response 23 be carried out stoving process or treat that in the natural coagulation mode it freezes solidly on two electrodes, 110,120 surfaces.
Moreover, as the step S5 of Fig. 1, and cooperate shown in Figure 6: be pasted with a tack coat 3 on above-mentioned insulated substrate 1, this tack coat 3 covers above-mentioned insulation course 2, and with respect to described reaction zone 22 places is to be concaved with a reaction breach 30, and this tack coat 3 can be a double faced adhesive tape.What deserves to be mentioned is: above-mentioned steps S4 also can carry out after step S5.
At last,, and cooperate shown in Figure 7 as the step S6 of Fig. 1: on this tack coat 3, attach a panel 4, being covered on the described reaction breach 30, can be on this panel 4 in order to every data of record test piece, testee's name etc. for example.In addition, with respect to the reaction breach 30 of tack coat 3 and away from opening 10 places, also can further wear a pore 40 in this panel 4, required for exhaust, so can finish technology and obtain described electrochemical sensing test piece.
In view of the above, as shown in Figure 8, when desiring the blood 5 of human body, only need blood 5 to be infiltrated by the opening 10 of test piece one side, can blood supply liquid 5 infiltrate in the reaction breach 30, and then produce chemical reactions, to carry out the detection of blood with the pharmacy response 23 on two electrodes, 110,120 surfaces by opening 10.
So,, can obtain the utility model electrochemical sensing test piece by above-mentioned contexture.
The electrochemical sensing test piece that the utility model provides, be to constitute a reaction compartment with stacked structure, and cooperate the physical vapor depositional mode to form two interior electrodes of electrochemical sensing test piece, thereby make described two electrode material composition purity degree of control height, metal film also has comparatively even curface, and,, do not cause thickness of test piece to increase simultaneously because of stepped construction so as to the degree of accuracy of the numerical value that is obtained when detecting is provided with the degree of accuracy control electrode thickness of nanometer.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection domain of the appended claim of the utility model.
Claims (7)
1. an electrochemical sensing test piece is characterized in that, comprising:
One insulated substrate, its surface attachment two galvanic circles, each forms an electrode that is constituted in the physical vapour deposition (PVD) mode on described two galvanic circles, and described two galvanic circles extend to an end of this insulated substrate by its electrode, and this insulated substrate is provided with one in this end and plugs end;
One insulation course is covered in this two electrode and locates on every side, and wears a through hole in this insulation course respectively with respect to described two electrode places;
One tack coat is attached at this insulated substrate and is covered on this insulation course, and this tack coat is concaved with a reaction breach with respect to described two electrode places; And
One panel is attached at this tack coat and is covered on this reaction breach.
2. electrochemical sensing test piece according to claim 1 is characterized in that, this insulated substrate one side forms an opening, and relative with described two electrodes.
3. electrochemical sensing test piece according to claim 1 and 2 is characterized in that, plugging of this insulated substrate has an affirmation electrode that forms in the physical vapour deposition (PVD) mode on the end.
4. electrochemical sensing test piece according to claim 3 is characterized in that, described physical vapour deposition (PVD) mode is meant sputter or evaporation.
5. electrochemical sensing test piece according to claim 1 and 2 is characterized in that, this tack coat is a double faced adhesive tape.
6. electrochemical sensing test piece according to claim 1 and 2 is characterized in that, this panel wears a pore with respect to described reaction indentation, there.
7. electrochemical sensing test piece according to claim 1 and 2 is characterized in that, described physical vapour deposition (PVD) mode is meant sputter or evaporation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201169264U CN201611341U (en) | 2010-02-05 | 2010-02-05 | Electrochemical sensitive test slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201169264U CN201611341U (en) | 2010-02-05 | 2010-02-05 | Electrochemical sensitive test slice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201611341U true CN201611341U (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201169264U Expired - Fee Related CN201611341U (en) | 2010-02-05 | 2010-02-05 | Electrochemical sensitive test slice |
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| Country | Link |
|---|---|
| CN (1) | CN201611341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092662A (en) * | 2014-05-20 | 2015-11-25 | 光宏精密股份有限公司 | Electrochemical sensing test piece and making method thereof |
-
2010
- 2010-02-05 CN CN2010201169264U patent/CN201611341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105092662A (en) * | 2014-05-20 | 2015-11-25 | 光宏精密股份有限公司 | Electrochemical sensing test piece and making method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20170205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |