CN107421826A - A kind of method that the copper plate hardness shelf-life is tested using square Hull cell - Google Patents
A kind of method that the copper plate hardness shelf-life is tested using square Hull cell Download PDFInfo
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- CN107421826A CN107421826A CN201710576186.9A CN201710576186A CN107421826A CN 107421826 A CN107421826 A CN 107421826A CN 201710576186 A CN201710576186 A CN 201710576186A CN 107421826 A CN107421826 A CN 107421826A
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- 238000000034 method Methods 0.000 title claims abstract description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 20
- 239000010949 copper Substances 0.000 title claims abstract description 20
- 238000012360 testing method Methods 0.000 claims abstract description 67
- 238000007747 plating Methods 0.000 claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- RIRXDDRGHVUXNJ-UHFFFAOYSA-N [Cu].[P] Chemical compound [Cu].[P] RIRXDDRGHVUXNJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000002474 experimental method Methods 0.000 claims abstract description 5
- KMUONIBRACKNSN-UHFFFAOYSA-N potassium dichromate Chemical compound [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O KMUONIBRACKNSN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 238000012545 processing Methods 0.000 claims abstract 2
- 210000004027 cell Anatomy 0.000 claims description 28
- 238000003756 stirring Methods 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 11
- 210000005056 cell body Anatomy 0.000 claims description 10
- 238000009713 electroplating Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000005070 sampling Methods 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 5
- 244000137852 Petrea volubilis Species 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000013019 agitation Methods 0.000 claims description 3
- 238000009835 boiling Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000009991 scouring Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000010998 test method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D3/00—Electroplating: Baths therefor
- C25D3/02—Electroplating: Baths therefor from solutions
- C25D3/38—Electroplating: Baths therefor from solutions of copper
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/2813—Producing thin layers of samples on a substrate, e.g. smearing, spinning-on
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/32—Polishing; Etching
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/44—Sample treatment involving radiation, e.g. heat
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0298—Manufacturing or preparing specimens
Landscapes
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Biochemistry (AREA)
- Pathology (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Electroplating Methods And Accessories (AREA)
- Electroplating And Plating Baths Therefor (AREA)
Abstract
The invention discloses a kind of method that the copper plate hardness shelf-life is tested using square Hull cell, carry out, sample according to the following steps, test piece processing, it would be desirable to which the overlay film of plating one side removes；Plating solution is inserted in square Hull cell, is heated to 38 40 DEG C；Square Hull cell is inserted into test piece and phosphorus-copper anode, connect power supply；Power-on and air pump；Bath temperature situation of change is observed, position adjustment is carried out to anode at any time；To the scheduled time, power supply is closed, test piece is taken out and rinses well, be put into 30 50g/L potassium bichromate solution and be passivated, and dry up；Test piece is boiled, hardness is tested after naturally cooling to room temperature.The present invention is by using square Hull cell as test equipment, corresponding method of testing is designed according to the characteristic of square Hull cell, it is incorporated in the standard summarized on the basis of lot of experiments time to boil water and the hardness shelf-life table of comparisons, the hardness that copper plate can quickly be tested is kept for the phase, has the characteristics of easy to operate, speed is fast, the degree of accuracy is high.
Description
Technical field
The present invention relates to electroplating technology, and in particular to one kind utilizes the Hull cell device to test copper plate hardness shelf-life
Method.
Background technology
Domestic and international gravure plate-making hard copper plating mostly uses acidiccopper plating, and the process components are simple, and cost is low, are easy to control
System.And requirement of the gravure plate-making for copper plate hardness is stricter, the wherein layers of copper hardness shelf-life is one critically important
Index.However, the test for the shelf-life is a very intractable job.Most of plate-making factory test layers of copper hardness shelf-life
Method is, a roller is plated under its current manufacturing condition, tests the change of hardness observation numerical value daily to determine to guarantee the quality
Phase, although this method can accurately determine the shelf-life, test period is long, it is impossible to adapts to wanting for modern industrial process
Ask.
The content of the invention
The technical problem to be solved in the present invention is the defects of being directed to prior art, there is provided one kind can be determined rapidly and accurately
Holding phase, the method simple to operate that the copper plate hardness shelf-life is tested using square Hull cell.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：One kind utilizes the test copper facing of square Hull cell
The method of layer hardness shelf-life, it is characterised in that：Carry out according to the following steps,
1), sample, before sampling, be first sufficiently stirred plating solution, and plating solution is sampled from the different parts of coating bath, make after mixing
With；
2), test piece is handled, and the overlay film that test piece needs plating one side is removed, using 3000# fine sandpapers or scouring pad along one
Individual direction polishes stainless steel test piece totally, standby；Electroplating surface is not touched after being disposed, in order to avoid being stained with greasy dirt, is caused
Coating bubbles；
3), the plating solution of sampling is inserted in square Hull cell, plating solution is heated to technological temperature during production, heating process
In, open air stirring or using mechanical agitation, electric current 4.5A；
4), test when, first by 500ml plating solutions be heated to than production when technological temperature it is high 2-3 DEG C, heat while
Stirring, avoids hot-spot from causing additive to decompose, and can not react the reset condition of plating solution after otherwise even cooling down comprehensively；
5), phosphorus-copper anode is inserted in the anode slot among square Hull cell, positive source is connected to phosphorus-copper anode, bears
Pole is connected to stainless test piece, tracheae insertion air pipe interface, the electricity of needs is inputted on power-supply controller of electric, and source current is revolved
Button adjusting is to minimum；
6), power-on and air pump, and electric current is progressively transferred to rated current, and opening time controller in time；
7), in test process, bath temperature situation of change is observed, if temperature is in rising trend in test process,
Anode is moved toward in the anode slot of negative electrode, so that tank voltage reduces, and reduces the caloric value of plating solution；If testing
During temperature it is on a declining curve, then anode so that tank voltage just raises, is improved toward moving in the anode slot away from negative electrode
The caloric value of plating solution, ensure that test temperature is consistent with normal technological temperature；
Because electroplating time is longer, the poor phosphorus-copper anode generation anode film of use quality is thicker, voltage can be caused to raise.
If voltage quickly raises, anode can be changed rapidly.
8), to the scheduled time, power supply is closed, test piece is taken out and rinses well, be put into 30-50g/L potassium bichromate solution
The 5-20 seconds are passivated, and should not be too high by the water stain drying of strip, temperature with hot hair dryer, otherwise easily oxidation, influences to survey
Test result；
9), test piece is put into boiling water, is kept for some minutes of seething with excitement, to the scheduled time after take out test piece, naturally cool to
Hardness is tested after room temperature, such repeated several times, selects point test hardness number different in test piece (minimum 5 tools of selection every time
Representational position), then average.
Further, the inside of the square Hull cell is provided with two pieces of dividing plates, centre will be separated into inside cell body respectively
Square tank house and the square fluid reservoir positioned at tank house both sides, some convection holes are provided with dividing plate by fluid reservoir and tank house phase
It is intercommunicated；Negative electrode slot and some anode slots are provided with tank house, negative electrode slot and anode slot are parallel to each other, and negative electrode is inserted
Enter in negative electrode slot, phosphorus-copper anode is inserted in a wherein anode slot.
Further, stirring stomata is provided with the bottom of tank house, stirring stomata passes through the inlet channel in cell body
Connected with air pipe interface, by tracheae toward inflating in tank house, and the stirring to plating solution is realized by stirring stomata outlet.
Further, the heating to plating solution is completed by being arranged on the heating rod of tank house bottom, can be facilitated plating solution
Technological temperature is risen to, to improve the degree of accuracy of test result.
Further, the test piece time to boil water is respectively 15 minutes, 30 minutes, 45 minutes and 60 minutes, after the completion of to boil water
Immediately the average hardness measured and time to boil water are contrasted with the hardness shelf-life table of comparisons.
Further, during electroplating experiments the temperature control of plating solution in the range of 38-40 DEG C.
Further, the test piece plating area of square Hull cell is 0.25dm2, current density 18A/dm2, so as to reach
4.5A electric current.
The present invention, as test equipment, corresponding survey is designed according to the characteristic of square Hull cell by using square Hull cell
Method for testing, the standard summarized on the basis of lot of experiments time to boil water and the hardness shelf-life table of comparisons are incorporated in, can quickly be tested
The hardness of copper plate is kept for the phase, has the characteristics of easy to operate, speed is fast, the degree of accuracy is high.
Brief description of the drawings
Fig. 1 is the square Hull cell dimensional structure diagram that the present invention uses；
Fig. 2 is the square Hull cell schematic top plan view that the present invention uses.
In figure, 1 is cell body, and 2 be negative electrode slot, and 3 be stirring stomata, and 4 be thermometer, and 5 be fluid reservoir, and 6 be anode slot,
7 be heating rod, and 8 be air pipe interface, and 9 be convection holes, and 10 be dividing plate, and 11 be tank house.
Embodiment
In the present embodiment, referring to Figures 1 and 2, the method that the copper plate hardness shelf-life is tested using square Hull cell,
Carry out according to the following steps,
1), sample, before sampling, be first sufficiently stirred plating solution, and plating solution is sampled from the different parts of coating bath, make after mixing
With；
2), test piece is handled, and the overlay film that test piece needs plating one side is removed, using 3000# fine sandpapers or scouring pad along one
Individual direction polishes stainless steel test piece totally, standby；Electroplating surface is not touched after being disposed, in order to avoid being stained with greasy dirt, is caused
Coating bubbles；
3), the plating solution of sampling is inserted in square Hull cell, plating solution is heated to technological temperature during production, heating process
In, open air stirring or using mechanical agitation, electric current 4.5A；
4), test when, first by 500ml plating solutions be heated to than production when technological temperature it is high 2-3 DEG C, heat while
Stirring, avoids hot-spot from causing additive to decompose, and can not react the reset condition of plating solution after otherwise even cooling down comprehensively；
5), phosphorus-copper anode is inserted in the anode slot among square Hull cell, positive source is connected to phosphorus-copper anode, bears
Pole is connected to stainless test piece, tracheae insertion air pipe interface, the electricity of needs is inputted on power-supply controller of electric, and source current is revolved
Button adjusting is to minimum；
6), power-on and air pump, and electric current is progressively transferred to rated current, and opening time controller in time；
7), in test process, bath temperature situation of change is observed, if temperature is in rising trend in test process,
Anode is moved toward in the anode slot of negative electrode, so that tank voltage reduces, and reduces the caloric value of plating solution；If testing
During temperature it is on a declining curve, then anode so that tank voltage just raises, is improved toward moving in the anode slot away from negative electrode
The caloric value of plating solution, ensure that test temperature is consistent with normal technological temperature；
Because electroplating time is longer, the poor phosphorus-copper anode generation anode film of use quality is thicker, voltage can be caused to raise.
If voltage quickly raises, anode can be changed rapidly.
8), to the scheduled time, power supply is closed, test piece is taken out and rinses well, be put into 30-50g/L potassium bichromate solution
The 5-20 seconds are passivated, and should not be too high by the water stain drying of strip, temperature with hot hair dryer, otherwise easily oxidation, influences to survey
Test result；
9), test piece is put into boiling water, is kept for some minutes of seething with excitement, to the scheduled time after take out test piece, naturally cool to
Hardness is tested after room temperature, such repeated several times, selects point test hardness number different in test piece (minimum 5 tools of selection every time
Representational position), then average.
And square Hull cell includes cell body 1, cell body 1 is square structure, by the dividing plate 10 of left and right two by cell body 1 in it
Part is divided into the tank house 11 of centre and the fluid reservoir 5 positioned at the both sides of tank house 11, and some convection holes 9 will be provided with dividing plate 10 to be stored up
Liquid room 5 is interconnected with tank house 11, and in the course of work, the plating solution in tank house 11 can generate heat in electric current after, density meeting
Change, can be swapped by the convection holes 9 on dividing plate 10 with the plating solution in fluid reservoir 5；Inserted in tank house 10 provided with negative electrode
Groove 2 and some anode slots 6, negative electrode slot 2 and anode slot 6 are parallel to each other, and negative electrode (test piece) is inserted in negative electrode slot 2,
Phosphorus-copper anode is inserted in a wherein anode slot 6.
Stirring stomata 3 is provided with the bottom of tank house 11, stirring stomata 3 passes through the inlet channel and gas in cell body 1
Interface tube 8 connects, and by tracheae toward inflation in tank house 11, and realizes the stirring to plating solution by the outlet of stirring stomata 3.
Heating rod 7 is provided with the bottom of tank house 11, the heating to plating solution is completed by heating rod 7, will conveniently can be plated
Liquid rises to technological temperature, to improve the degree of accuracy of test result.
Thermometer 4 can be set at dividing plate 10, thermometer 4 can so react the change of bath temperature conscientiously close to plating solution
Change, reduce inertia.
Cell body 1 is made of transparent PVC material, anticorrosion, resistance to conventional plating process temperature；Block dividing plate 10 is mutually flat
OK, the tank house 11 and fluid reservoir 5 being divided into are square structure.
The test piece time to boil water is respectively 15 minutes, 30 minutes, 45 minutes and 60 minutes, will be measured immediately after the completion of to boil water
Average hardness and the time to boil water contrasted with the hardness shelf-life table of comparisons.Time to boil water and the hardness shelf-life table of comparisons are as follows
Table：
The temperature control of plating solution is in the range of 38-40 DEG C during electroplating experiments.
The test piece plating area of square Hull cell is 0.25dm2, current density 18A/dm2, so as to reach 4.5A electricity
Stream.
The present invention is described in detail above, described above, only the preferred embodiments of the invention, when can not
Limit the scope of the present invention, i.e., it is all to make equivalent changes and modifications according to the application scope, it all should still belong to covering scope of the present invention
It is interior.
Claims (7)
- A kind of 1. method that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that：Carry out according to the following steps,1）, sampling, before sampling, be first sufficiently stirred plating solution, and plating solution is sampled from the different parts of coating bath, used after mixing；2）, test piece processing, the overlay film that test piece needs plating one side is removed, using 3000# fine sandpapers or scouring pad along a side It is clean to stainless steel test piece is polished, it is standby；3）, the plating solution of sampling inserted in square Hull cell, plating solution is heated to technological temperature during production, in heating process, Open air stirring or using mechanical agitation, electric current 4.5A；4）, test when, first by 500ml plating solutions be heated to than production when technological temperature it is high 2-3 DEG C, heat while stirring Mix, avoid hot-spot from causing additive to decompose；5）, phosphorus-copper anode inserted in the anode slot among square Hull cell, positive source is connected to phosphorus-copper anode, and negative pole connects Stainless test piece is connected to, tracheae insertion air pipe interface, the electricity of needs is inputted on power-supply controller of electric, and source current knob is adjusted It is extremely minimum；6）, power-on and air pump, and electric current is progressively transferred to rated current, and opening time controller in time；7）, in test process, bath temperature situation of change is observed, if temperature is in rising trend in test process, by sun Extremely moved toward in the anode slot of negative electrode, so that tank voltage reduces, and reduce the caloric value of plating solution；If in test process Middle temperature is on a declining curve, then so that tank voltage just raises, anode is improved into plating solution toward moving in the anode slot away from negative electrode Caloric value, ensure test temperature it is consistent with normal technological temperature；8）, to the scheduled time, close power supply, take out test piece and rinse well, be put into 30-50g/L potassium bichromate solution and be passivated The 5-20 seconds, and with hot hair dryer by the water stain drying of strip；9）, test piece is put into boiling water, kept for some minutes of seething with excitement, to the scheduled time after take out test piece, naturally cool to room temperature After test hardness, such repeated several times, select point test hardness number different in test piece every time, then average.
- 2. the method according to claim 1 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： The inside of the square Hull cell is provided with two pieces of dividing plates, will be separated into the square tank house of centre inside cell body respectively and positioned at electricity The square fluid reservoir on room both sides is solved, fluid reservoir and tank house are interconnected provided with some convection holes in dividing plate；In tank house Provided with negative electrode slot and some anode slots, negative electrode slot and anode slot are parallel to each other, and negative electrode is inserted in negative electrode slot, phosphorus Copper anode is inserted in a wherein anode slot.
- 3. the method according to claim 2 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： Stirring stomata is provided with the bottom of tank house, stirring stomata is connected with air pipe interface by the inlet channel in cell body, led to Tracheae is crossed toward inflating in tank house, and the stirring to plating solution is realized by stirring stomata outlet.
- 4. the method according to claim 3 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： Heating to plating solution is completed by being arranged on the heating rod of tank house bottom.
- 5. the method according to claim 1 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： The test piece time to boil water is respectively 15 minutes, 30 minutes, 45 minutes and 60 minutes, average hard by what is measured immediately after the completion of to boil water Degree and time to boil water are contrasted with the hardness shelf-life table of comparisons.
- 6. the method according to claim 1 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： The temperature control of plating solution is in the range of 38-40 DEG C during electroplating experiments.
- 7. the method according to claim 1 that the copper plate hardness shelf-life is tested using square Hull cell, it is characterised in that： The test piece plating area of square Hull cell is 0.25dm2, current density is 18A/ dm2 。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576186.9A CN107421826B (en) | 2017-07-14 | 2017-07-14 | A method of the copper plate hardness shelf-life is tested using rectangular Hull cell |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710576186.9A CN107421826B (en) | 2017-07-14 | 2017-07-14 | A method of the copper plate hardness shelf-life is tested using rectangular Hull cell |
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| Publication Number | Publication Date |
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| CN107421826A true CN107421826A (en) | 2017-12-01 |
| CN107421826B CN107421826B (en) | 2019-11-05 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330189U (en) * | 2011-11-16 | 2012-07-11 | 东莞市常晋凹版模具有限公司 | Mechanical performance testing device for gravure electroplated copper layer |
| CN204255791U (en) * | 2014-12-08 | 2015-04-08 | 武汉钢铁(集团)公司 | A kind of electrolysis gravimetric determination copper content electrolysis unit |
| CN102507355B (en) * | 2011-11-24 | 2016-10-05 | 南京中兴软件有限责任公司 | A kind of detection method of plating binding quality of metallic film |
| JP2017015608A (en) * | 2015-07-02 | 2017-01-19 | アイシン高丘株式会社 | Method and apparatus for measuring hardness of steel sheet after hardening treatment |
-
2017
- 2017-07-14 CN CN201710576186.9A patent/CN107421826B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202330189U (en) * | 2011-11-16 | 2012-07-11 | 东莞市常晋凹版模具有限公司 | Mechanical performance testing device for gravure electroplated copper layer |
| CN102507355B (en) * | 2011-11-24 | 2016-10-05 | 南京中兴软件有限责任公司 | A kind of detection method of plating binding quality of metallic film |
| CN204255791U (en) * | 2014-12-08 | 2015-04-08 | 武汉钢铁(集团)公司 | A kind of electrolysis gravimetric determination copper content electrolysis unit |
| JP2017015608A (en) * | 2015-07-02 | 2017-01-19 | アイシン高丘株式会社 | Method and apparatus for measuring hardness of steel sheet after hardening treatment |
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| Publication number | Publication date |
|---|---|
| CN107421826B (en) | 2019-11-05 |
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