CN103397374B - A kind of method of ceramic condenser interior nickel stripping electrode - Google Patents
A kind of method of ceramic condenser interior nickel stripping electrode Download PDFInfo
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- CN103397374B CN103397374B CN201310320397.8A CN201310320397A CN103397374B CN 103397374 B CN103397374 B CN 103397374B CN 201310320397 A CN201310320397 A CN 201310320397A CN 103397374 B CN103397374 B CN 103397374B
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- ceramic
- basic solution
- nickel electrode
- layer
- nickel
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- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 title claims abstract description 90
- 239000000919 ceramic Substances 0.000 title claims abstract description 58
- 229910052759 nickel Inorganic materials 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000013078 crystal Substances 0.000 claims abstract description 29
- 239000003637 basic solution Substances 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 11
- 238000000227 grinding Methods 0.000 claims abstract description 7
- 238000001035 drying Methods 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims abstract description 3
- 239000007787 solid Substances 0.000 claims abstract description 3
- 239000011343 solid material Substances 0.000 claims abstract description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 33
- 239000000243 solution Substances 0.000 claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 10
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 9
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 229910052697 platinum Inorganic materials 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 42
- 238000005868 electrolysis reaction Methods 0.000 description 11
- 238000005498 polishing Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000003960 organic solvent Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003854 Surface Print Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 239000011267 electrode slurry Substances 0.000 description 1
- 239000008151 electrolyte solution Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Metals (AREA)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Abstract
The invention discloses a kind of method of ceramic condenser interior nickel stripping electrode, by grinding, the nickel electrode of ceramic crystal side is exposed; Pour basic solution in a reservoir, container is with can not to react with basic solution and nonconducting solid material is made; Ceramic crystal is made to be placed in basic solution, probe one end is connected with the positive pole of direct supply, the other end nickel electrode layer contacts, electrode wires one end is connected with the negative pole of direct supply, the other end is immersed in basic solution, and electrode wires and the probe solid metal material that can not react with basic solution are made; Open direct supply, ceramic crystal is taken out from basic solution and drying after reasonable time; Use external force that the nickel electrode layer of ceramic crystal is separated with ceramic layer.The present invention utilizes simple electrolyzer, can realize the nickel electrode layer of any designated layer and the quick stripping of ceramic layer, open a new way.
Description
Technical field
The present invention relates to nickel (Ni) electrode sheet type multi-layer ceramic capacitance, particularly a kind ofly realize by electrolytic action the method that electric capacity internal electrode successfully peels off.
Background technology
Nickel (Ni) electrode sheet type multi-layer ceramic capacitance (MLCC) burns till preparation by high temperature after the ceramic membrane multiple-level stack of surface printing Ni electrode slurry.Burn till through high temperature, the NiO that ceramic layer and electrode layer are formed by Ni oxidation combines well, and conventional physico-chemical process is difficult to the separation of both realizations.But in research and production process, often need to confirm the microscopic pattern of electrode layer, therefore in the urgent need to the practicable separation method of one.
Summary of the invention
For above-mentioned technical problem, the invention provides a kind of method of ceramic condenser interior nickel stripping electrode, the nickel electrode layer of any designated layer and being separated of ceramic layer can be realized.
A kind of method of ceramic condenser interior nickel stripping electrode, by grinding, the nickel electrode layer of ceramic crystal side is exposed, only have outer electrode portion and the ceramic segment of being got rid of side by grinding, inner nickel electrode layer is exposed, just can reach the object of smooth electrolysis.Pour basic solution in a reservoir, container is with can not to react with basic solution and nonconducting solid material is made.Make ceramic crystal be placed in basic solution, ceramic crystal can be immersed in basic solution completely, also can partly be immersed in basic solution, is partly immersed in the electrolysis effectiveness that the electrolysis effectiveness in basic solution is not immersed in basic solution completely good.One end of probe is connected with the positive pole of direct supply, and the other end contacts with nickel electrode layer.Electrode wires one end is connected with the negative pole of direct supply, and the other end is immersed in basic solution.Electrode wires and the metal probe solid metal material that can not react with basic solution are made.Open direct supply, ceramic crystal is taken out from basic solution and drying after reasonable time.Time due to electrolysis is subject to the impact that crystal peels off the factors such as the voltage of NiO content, electrolysis in area, internal electrode, and the time of electrolysis is uncertain.Ceramic layer after electrolysis and there is moisture between nickel electrode layer, is subject to molecular force impact and ceramic layer is not easily separated with nickel electrode layer, so ceramic layer and nickel electrode layer could be separated after needing drying.Again because ceramic layer and nickel electrode layer distance are each other very near, still there is molecular force, need to use external force that the nickel electrode layer of ceramic crystal is separated with ceramic layer.The present invention utilizes simple electrolyzer, can realize the nickel electrode layer of any designated layer and the stripping of ceramic layer, open a new way.The stripping of ceramic layer and nickel electrode layer has benefited from the NiO playing keying action at ceramic layer and nickel electrode interlayer, there occurs reduction reaction: NiO
+h
2o
+ 2e
-=Ni
+ 2oH.
Preferably: the voltage of adjustment direct supply is 1.5-5 volt.Although higher voltage can realize the short period of time and peel off, release surface is mostly clean not.More easily realize good layer with relatively low voltage to peel off.
Preferably: basic solution is NaOH solution.
Preferably: the concentration of NaOH solution is 0.5-5 mol/L.The electrolytic reaction of NiO is more conducive in strong base solution.
Preferably: the making material of electrode wires is platinum.
Preferably: the making material of container is plastics or pottery.
Preferably: after ceramic crystal grinding, mirror polish is carried out to the side of ceramic crystal.The operation of polishing is to eliminate the concavo-convex pattern grinding and cause, and makes inner nickel electrode layer fully expose, facilitate electrolysis.
Preferably: after the side mirror mirror polish of ceramic crystal, the side of Virahol or propyl alcohol or alcohol or toluene cleaning ceramic crystal is used.The object of cleaning after polishing is removal of contamination, keeps internal electrode cleaning, facilitates electrolysis.
Beneficial effect: the present invention utilizes simple electrolyzer, can realize the nickel electrode layer of any designated layer and the stripping of ceramic layer fast, open a new way.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of electrolyzer.
Fig. 2 is the schematic diagram of ceramic crystal.
Fig. 3 is the cube-side figure of ceramic crystal.
Reference numeral title is as follows:
1, side; 2, nickel electrode layer; 3, side; 4, ceramic layer; 5, end face; 6, ceramic crystal; 7, probe; 8, direct supply; 9, container; 10, electrode wires; 11, NaOH solution.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further.
As shown in Figure 1, 2: first by grinding two sides 1 of ceramic crystal 6 and two sides 3, make nickel electrode layer 2 except two faces contacted with ceramic layer 4, all the other four sides of nickel electrode layer 2 are all exposed, and to the process of abrasive surface mirror polish, abrasive surface after polishing with an organic solvent cleans, and the organic solvent used can be Virahol, propyl alcohol, alcohol, toluene etc.
The instrument that electrolytic stripping uses and material as follows: microscope, direct supply 8, reometer, electrode wires (platinum line) 10, conductive clip, probe 7, tweezers, container (plastics dielectric material vessel) 9, NaOH solution (sodium hydroxide solution) 11.Electrolysis step is as follows: 1. in container (plastics dielectric material vessel) 9, put into appropriate NaOH solution 11 as electrolyte solution.The concentration of NaOH solution 11 is 0.5-5 mol/L.2. one end of platinum line is made to immerse in NaOH solution 11.With tweezers, ceramic crystal 6 is immersed in NaOH solution 11 completely, and an one side 1 is placed upward.3. make the other end of platinum line be connected with the positive pole of direct supply 8, conductive clip one end is connected with the negative pole of direct supply 8, and the other end is connected with probe 7.4. open direct supply 8, use reometer to measure electric current, set suitable voltage (1.5V ~ 5.0V) and current value.5. make probe 7 aim at the nickel electrode layer 2 that will peel off under the microscope, just can realize peeling off through reasonable time.In general the time of electrolysis is 30 seconds-300 seconds.6. close direct supply, take off and cleaning ceramic crystal.7. after seasoning or heat drying, 2 end faces 5 of ceramic crystal 6 are clamped with the substrate posting double sticky tape, then along direction, multilayer ceramic membrane stack face separately.Be to separate with the ceramic layer 4 in left side or the ceramic layer on right side 4 separates as nickel electrode layer 2, generally speaking this probability is random, depends on the left of probe 7 and nickel electrode layer 2 or right contact.
Claims (8)
1. a method for ceramic condenser interior nickel stripping electrode, is characterized in that:
By milled ceramic crystal (6) side (1,3), nickel electrode layer (2) is exposed;
In container (9), pour basic solution into, container (9) is with can not to react with basic solution and nonconducting solid material is made;
Ceramic crystal (6) is made to be placed in basic solution, probe (7) one end is connected with the positive pole of direct supply (8), the other end contacts with nickel electrode layer (2), electrode wires (10) one end is connected with the negative pole of direct supply (8), the other end is immersed in basic solution, and electrode wires (10) and probe (7) solid metal material that can not react with basic solution are made;
Open direct supply (8), after reasonable time, make the NiO between ceramic layer and electrode layer resolve into Ni and OH
- , ceramic crystal (6) is taken out from basic solution and drying; Use external force that the nickel electrode layer (2) of ceramic crystal (6) is separated with ceramic layer (4).
2. nickel electrode stripping means according to claim 1, is characterized in that: the voltage of adjustment direct supply (8) is 1.5-5 volt.
3. nickel electrode stripping means according to claim 1, is characterized in that: basic solution is NaOH solution (11).
4. nickel electrode stripping means according to claim 3, is characterized in that: the concentration of NaOH solution (11) is 0.5-5 mol/L.
5. nickel electrode stripping means according to claim 1, is characterized in that: the making material of electrode wires (10) is platinum.
6. nickel electrode stripping means according to claim 1, is characterized in that: the making material of container (9) is plastics or pottery.
7. nickel electrode stripping means according to claim 1, is characterized in that: after ceramic crystal (6) grinding, carry out mirror polish to the side (1,3) of ceramic crystal (6).
8. nickel electrode stripping means according to claim 7, is characterized in that: after side (1, the 3) mirror polish of ceramic crystal (6), uses the side (1,3) of Virahol or propyl alcohol or alcohol or toluene cleaning ceramic crystal (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320397.8A CN103397374B (en) | 2013-07-29 | 2013-07-29 | A kind of method of ceramic condenser interior nickel stripping electrode |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310320397.8A CN103397374B (en) | 2013-07-29 | 2013-07-29 | A kind of method of ceramic condenser interior nickel stripping electrode |
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| Publication Number | Publication Date |
|---|---|
| CN103397374A CN103397374A (en) | 2013-11-20 |
| CN103397374B true CN103397374B (en) | 2016-02-03 |
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|---|---|---|---|
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1337780A (en) * | 1970-10-28 | 1973-11-21 | Scm Corp | Electrolytic gold removal process |
| CN1078506A (en) * | 1992-05-14 | 1993-11-17 | 高霁 | The film-removing technology of coated glass and equipment |
| JPH05307918A (en) * | 1992-04-28 | 1993-11-19 | Kooken:Kk | Insulation method of electrically driven-electrical parts, etc., for small article |
| DE4303137A1 (en) * | 1993-02-04 | 1994-08-11 | Mtu Muenchen Gmbh | Method for removing ceramic layers on metal components |
| CN1652912A (en) * | 2002-05-16 | 2005-08-10 | 松下电器产业株式会社 | Method and apparatus for releasing metal-resin joint |
| EP2053145A1 (en) * | 2007-10-19 | 2009-04-29 | Siemens Aktiengesellschaft | Method for removing a metal layer using FIC in an intermediate stage |
| CN102234833A (en) * | 2010-04-20 | 2011-11-09 | 深圳富泰宏精密工业有限公司 | Stripping solution and method for electrolytically removing chromium carbide film |
| CN102251270A (en) * | 2011-05-20 | 2011-11-23 | 北京科技大学 | Method for stripping metallic thin film plated on surface of material |
| CN102943301A (en) * | 2012-10-30 | 2013-02-27 | 四川华丰企业集团有限公司 | Method for deplating nickel-phosphorus coating on workpiece surface |
-
2013
- 2013-07-29 CN CN201310320397.8A patent/CN103397374B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1337780A (en) * | 1970-10-28 | 1973-11-21 | Scm Corp | Electrolytic gold removal process |
| JPH05307918A (en) * | 1992-04-28 | 1993-11-19 | Kooken:Kk | Insulation method of electrically driven-electrical parts, etc., for small article |
| CN1078506A (en) * | 1992-05-14 | 1993-11-17 | 高霁 | The film-removing technology of coated glass and equipment |
| DE4303137A1 (en) * | 1993-02-04 | 1994-08-11 | Mtu Muenchen Gmbh | Method for removing ceramic layers on metal components |
| CN1652912A (en) * | 2002-05-16 | 2005-08-10 | 松下电器产业株式会社 | Method and apparatus for releasing metal-resin joint |
| EP2053145A1 (en) * | 2007-10-19 | 2009-04-29 | Siemens Aktiengesellschaft | Method for removing a metal layer using FIC in an intermediate stage |
| CN102234833A (en) * | 2010-04-20 | 2011-11-09 | 深圳富泰宏精密工业有限公司 | Stripping solution and method for electrolytically removing chromium carbide film |
| CN102251270A (en) * | 2011-05-20 | 2011-11-23 | 北京科技大学 | Method for stripping metallic thin film plated on surface of material |
| CN102943301A (en) * | 2012-10-30 | 2013-02-27 | 四川华丰企业集团有限公司 | Method for deplating nickel-phosphorus coating on workpiece surface |
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| CN103397374A (en) | 2013-11-20 |
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