CN109530657A - The preparation process of cooling plate - Google Patents
The preparation process of cooling plate Download PDFInfo
- Publication number
- CN109530657A CN109530657A CN201811166508.3A CN201811166508A CN109530657A CN 109530657 A CN109530657 A CN 109530657A CN 201811166508 A CN201811166508 A CN 201811166508A CN 109530657 A CN109530657 A CN 109530657A
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- Prior art keywords
- aluminum pipe
- cooling plate
- mode
- preparation process
- aluminum
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0081—Casting in, on, or around objects which form part of the product pretreatment of the insert, e.g. for enhancing the bonding between insert and surrounding cast metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
- C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
- C23C18/18—Pretreatment of the material to be coated
- C23C18/1803—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces
- C23C18/1824—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment
- C23C18/1827—Pretreatment of the material to be coated of metallic material surfaces or of a non-specific material surfaces by chemical pretreatment only one step pretreatment
- C23C18/1831—Use of metal, e.g. activation, sensitisation with noble metals
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
- C23G1/00—Cleaning or pickling metallic material with solutions or molten salts
- C23G1/14—Cleaning or pickling metallic material with solutions or molten salts with alkaline solutions
- C23G1/22—Light metals
-
- 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
- C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/10—Electroplating with more than one layer of the same or of different metals
- C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electroplating Methods And Accessories (AREA)
Abstract
The invention discloses a kind of preparation process of cooling plate, step is specific as follows: (1) chooses aluminum pipe；(2) according to drawing and require aluminum pipe carrying out bending；(3) pre-processes the surface of aluminum pipe；(4) aluminum pipe Jing Guo above-mentioned steps is fixed in die cavity by；(5) carries out pouring technology and through supercooling, demoulding, the preparation for taking out the cooling plate of completion.The present invention reduces own wt, and pre-process to aluminum tube surfaces, to the purpose for the service life for reducing the own wt of coldplate, improving the corrosion resistance of coldplate and extending coldplate by replacing copper pipe using aluminum pipe.
Description
Technical field
The present invention relates to the production application fields of coldplate, and in particular to the preparation process of cooling plate.
Background technique
Coldplate generally uses light and corrosion resistant aluminum alloy for matrix, and there is hollow cooling passage in inside, electricity
Sub- component etc. is fixed on the cooling plate by physical connection, and liquid cooling medium is circulated in the channel to take away electronics member
The heat that device generates.
Traditional coldplate is prepared using copper pipe, causes coldplate weight itself higher, and corrosion resistance is not strong, shortens
The service life of coldplate.
Summary of the invention
In order to solve the above technical problems, the invention proposes the preparation processes of cooling plate, coldplate is reduced to reach
The purpose of own wt, the corrosion resistance for improving coldplate and the service life for extending coldplate.
In order to achieve the above objectives, technical scheme is as follows:
A kind of preparation process of cooling plate, step are specific as follows:
(1) chooses aluminum pipe；
(2) according to drawing and require aluminum pipe carrying out bending；
(3) pre-processes the surface of aluminum pipe；
(4) aluminum pipe Jing Guo above-mentioned steps is fixed in die cavity by；
(5) carries out pouring technology and through supercooling, demoulding, the preparation for taking out the cooling plate of completion.
The present invention reduces own wt, and pre-process to aluminum tube surfaces, to drop by replacing copper pipe using aluminum pipe
The purpose of the own wt of low coldplate, the corrosion resistance for improving coldplate and the service life for extending coldplate.
Preferably, carrying out pretreatment to the surface of aluminum pipe in step (3) as any one such as under type:
(mode A) successively carries out surface clean, activation processing and coating process to the surface of aluminum pipe；
(mode B) successively carries out surface sand-blasting and cleaning treatment to aluminum tube surfaces.
It fills concentration preferably, the surface clean cleaning process in (mode A) refers to for aluminum pipe to be placed on and is
In 0.5mol/Lde NaOH solution, and cleaning 30s is carried out using ultrasonic wave, is washed and dried again after the completion of cleaning；
The aluminum pipe Jing Guo surface clean is rested on into 25ml/L HCl and 0.25g/L PdCl in step (mode A)2It is mixed
It closes and is activated in solution, and activation time is 30s；
Plated film includes plated film, electroplated Ni, plating Cu and elder generation electroplated Ni re-plating Cu these four works in step (mode A)
Any one in skill.
Preferably, the technological parameter of surface sand-blasting technique is as follows in (mode B): fine sand granularity is 0.1-0.5mm, pressure
Contracting air pressure is 0.7MPa, blast time 10min；
Cleaning treatment is that the aluminum pipe Jing Guo surface sand-blasting process is placed in the NaOH solution of 0.5mol/L in (mode B)
Alkali cleaning 30s is carried out, then is dried after washing.
Preferably, pouring technology is to carry out casting aluminium alloy in step (5), wherein the material of casting aluminium alloy is
ZL 101 alloy or ZL104 aluminium alloy, pouring temperature are 670-730 DEG C.
The present invention has the advantage that
1. the present invention reduces own wt, and pre-process to aluminum tube surfaces, arrives by replacing copper pipe using aluminum pipe
The purpose for reducing the own wt of coldplate, improving the corrosion resistance of coldplate and extending the service life of coldplate.
Specific embodiment
The present invention provides the preparation processes of cooling plate, its working principle is that being reduced by replacing copper pipe using aluminum pipe
Own wt, and aluminum tube surfaces are pre-processed, to reducing the own wt of coldplate, improve the corrosion resistance of coldplate
With the purpose for the service life for extending coldplate.
Below with reference to embodiment and specific embodiment, the present invention is described in further detail.
A kind of preparation process of cooling plate, step are specific as follows:
(1) chooses aluminum pipe；
(2) according to drawing and require aluminum pipe carrying out bending；
(3) pre-processes the surface of aluminum pipe；Wherein pretreatment includes such as any one under type:
(mode A) successively carries out surface clean, activation processing and coating process to the surface of aluminum pipe；
Wherein surface clean cleaning process refer to aluminum pipe is placed on fill concentration be 0.5mol/Lde NaOH solution in,
And cleaning 30s is carried out using ultrasonic wave, it is washed and is dried again after the completion of cleaning；
Activation step is that the aluminum pipe Jing Guo surface clean is rested on to 25ml/L HCl and 0.25g/L PdCl2Mixing it is molten
Liquid, and activation time is 30s；
Plated film includes any one in plated film, electroplated Ni, plating Cu and elder generation electroplated Ni re-plating Cu these four techniques
Kind.
(mode B) successively carries out surface sand-blasting and cleaning treatment to aluminum tube surfaces.
The technological parameter of surface sand-blasting technique is as follows: fine sand granularity be 0.1-0.5mm, compressed air pressure 0.7MPa,
Blast time is 10min.
Cleaning treatment is that the aluminum pipe Jing Guo surface sand-blasting process is placed in the NaOH solution of 0.5mol/L to carry out alkali cleaning
30s, then dried after washing.
(4) aluminum pipe Jing Guo above-mentioned steps is fixed in die cavity by；
(5) is poured aluminium alloy, wherein the material of casting aluminium alloy is ZL 101 alloy or ZL104 aluminium alloy, casting temperature
Degree is 670-730 DEG C, and through supercooling, demoulding, the preparation for taking out the cooling plate of completion.
It is of the invention that specifically used steps are as follows:
Embodiment one:
(1) uses commercially available 6063 aluminum pipe, specification 6mm × 12mm, thickness 3mm；
(2) aluminum pipe is carried out bending technique according to the demand of production drawing by；
Aluminum pipe after bending is placed in the NaOH solution that concentration is 0.5mol/L by (3-1) carries out alkali cleaning 30s, and benefit
It is washed with ultrasonic constant temp, completes the surface clean to aluminum pipe；
The aluminum pipe for carry out surface clean is placed on 25ml/L HCl and 0.25g/L PdCl by (3-2)2It is mixed
Activated solution in activated, activation time 30s；
(3-3) uses concentration for the NiSO of 25g/L4, concentration be 30g/L sodium hypophosphite, concentration be 20g/L lemon
The sodium acetate and concentration that lemon acid trisodium, concentration are 15g/L are the mixing of 30g/L lactic acid, and utilize NaOH, H2SO4PH value is adjusted to 4,
Then aluminum pipe is placed wherein, and (temperature is 80 DEG C, time 20min) carries out plating Ni in the way of heating water bath；
(3-4) uses concentration for the CuSO of 20g/L4·5H2O, concentration is the H of 30g/L3BO3, concentration be 20g/L lemon
Lemon acid sodium, the NiSO that concentration is 4g/L4It is mixed with concentration for the sodium hypophosphite of 34g/L, and utilizes NaOH, H2SO4Adjust pH value to
8, then aluminum pipe is placed wherein, and (temperature is 60 DEG C, time 10min) carries out plating Cu in the way of heating water bath；So
After washing afterwards and dry；
(4) aluminum pipe is placed in mold by, and is fixed using bracket；
(5) takes metal mold pressure pouring aluminium alloy, is poured ZL101 molten liquid, and technological parameter requires as follows: casting
730 DEG C of temperature, it is poured pressure 0.05MPa, pressure maintaining 30S, demoulds and takes out after cooling；
(6) carries out air tightness test to cooling plate to meet the needs of production, and check system is as follows: cold plate one end
It blocks, other end water pressure generation (1MPa) examines air tightness of workpiece.
Embodiment two:
(1) uses commercially available 6061 aluminum pipe, specification 6mm × 12mm, thickness 3mm；
(2) aluminum pipe is carried out bending technique according to the demand of production drawing by；
(3-1) carries out blasting treatment to aluminum pipe, and it is 0.1-0.5mm, compressed air pressure that wherein fine sand granularity, which is fine sand granularity,
Power is 0.7MPa, blast time 10min；
Aluminum pipe is placed in the NaOH solution that concentration is 0.5mol/L carries out alkali cleaning 30s again by (3-2), carries out again later
It washes and dries；
(4) aluminum pipe is placed in mold by, and is fixed using bracket；
(5) takes metal mold pressure pouring aluminium alloy, is poured ZL104 molten liquid, and technological parameter requires as follows: casting
730 DEG C of temperature, it is poured pressure 0.05MPa, pressure maintaining 30S, demoulds and takes out after cooling；
(6) carries out air tightness test to cooling plate to meet the needs of production, and check system is as follows: cold plate one end
It blocks, other end water pressure generation (1MPa) examines air tightness of workpiece.
Embodiment three:
(1) uses commercially available 6061 aluminum pipe, specification 6mm × 8mm, thickness 1mm；
(2) aluminum pipe is carried out bending technique according to the demand of production drawing by；
Aluminum pipe after bending is placed in the NaOH solution that concentration is 0.5mol/L by (3-1) carries out alkali cleaning 30s, and benefit
It is washed with ultrasonic constant temp, completes the surface clean to aluminum pipe；
The aluminum pipe for carry out surface clean is placed on 25ml/L HCl and 0.25g/L PdCl by (3-2)2It is mixed
Activated solution in activated, activation time 30s；
(3-3) uses concentration for the CuSO of 20g/L4·5H2O, concentration is the H of 30g/L3BO3, concentration be 20g/L lemon
Lemon acid sodium, the NiSO that concentration is 4g/L4It is mixed with concentration for the sodium hypophosphite of 34g/L, and utilizes NaOH, H2SO4Adjust pH value to
8, then aluminum pipe is placed wherein, and (temperature is 60 DEG C, time 10min) carries out plating Cu in the way of heating water bath；So
After washing afterwards and dry；
(4) aluminum pipe is placed in mold by, and is fixed using bracket；
(5) takes metal mold pressure pouring aluminium alloy, is poured ZL101 molten liquid, and technological parameter requires as follows: casting
730 DEG C of temperature, it is poured pressure 0.05MPa, pressure maintaining 30S, demoulds and takes out after cooling；
(6) carries out air tightness test to cooling plate to meet the needs of production, and check system is as follows: cold plate one end
It blocks, other end water pressure generation (1MPa) examines air tightness of workpiece.
Wherein when carrying out casting aluminium alloy, it can also be poured using sand casting process.
It is had the advantages that compared with traditional handicraft
1. aluminum tube surfaces plated film or blasting treatment, plated film make interface react, sandblasting releases residual stress, so that pouring
Interface cohesion is excellent after note, is conducive to heat transfer cooling.
2. aluminum pipe compared with stainless steel, copper pipe, corrodes more resistant to organic solvent (such as ethylene glycol), extend cold plate uses the longevity
Life.
3. using aluminum pipe and casting aluminium alloy, compared to copper pipe/stainless steel tube and be poured aluminium alloy, it is lighter, alleviate
Support load.
By above mode, the preparation process of cooling plate provided by the present invention, by replacing copper pipe using aluminum pipe,
Reduce own wt, and aluminum tube surfaces pre-processed, to reduce coldplate own wt, improve coldplate corrosion resistant
The purpose of corrosion and the service life of extension coldplate.
Above-described is only the preferred embodiment of the preparation process of cooling plate disclosed in this invention, should be referred to
Out, for those of ordinary skill in the art, without departing from the concept of the premise of the invention, can also make several
Modification and improvement, these are all within the scope of protection of the present invention.
Claims (5)
1. a kind of preparation process of cooling plate, which is characterized in that its step is specific as follows:
(1) chooses aluminum pipe；
(2) according to drawing and require aluminum pipe carrying out bending；
(3) pre-processes the surface of aluminum pipe；
(4) aluminum pipe Jing Guo above-mentioned steps is fixed in die cavity by；
(5) carries out pouring technology and through supercooling, demoulding, the preparation for taking out the cooling plate of completion.
2. the preparation process of cooling plate according to claim 1, which is characterized in that the surface of aluminum pipe in step (3)
Pretreatment is carried out as any one such as under type:
(mode A) successively carries out surface clean, activation processing and coating process to the surface of aluminum pipe；
(mode B) successively carries out surface sand-blasting and cleaning treatment to aluminum tube surfaces.
3. the preparation process of cooling plate according to claim 2, which is characterized in that the surface clean in (mode A) is clear
It washes technique and refers to and aluminum pipe is placed on to fill concentration be and to be cleaned using ultrasonic wave in 0.5mol/Lde NaOH solution
30s is washed and is dried again after the completion of cleaning；
The aluminum pipe Jing Guo surface clean is rested on into 25ml/L HCl and 0.25g/L PdCl in step (mode A)2Mixed solution
In activated, and activation time be 30s；
Plated film includes in plated film, electroplated Ni, plating Cu and elder generation electroplated Ni re-plating Cu these four techniques in step (mode A)
Any one.
4. the preparation process of cooling plate according to claim 2, which is characterized in that surface sand-blasting technique in (mode B)
Technological parameter it is as follows: fine sand granularity be 0.1-0.5mm, compressed air pressure 0.7MPa, blast time 10min；
Cleaning treatment is that the aluminum pipe Jing Guo surface sand-blasting process is placed in the NaOH solution of 0.5mol/L to carry out in (mode B)
Alkali cleaning 30s, then dried after washing.
5. the preparation process of cooling plate according to claim 1, which is characterized in that in step (5) pouring technology be into
Row casting aluminium alloy, wherein the material of casting aluminium alloy is ZL 101 alloy or ZL104 aluminium alloy, pouring temperature 670-730
℃。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166508.3A CN109530657A (en) | 2018-10-08 | 2018-10-08 | The preparation process of cooling plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811166508.3A CN109530657A (en) | 2018-10-08 | 2018-10-08 | The preparation process of cooling plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109530657A true CN109530657A (en) | 2019-03-29 |
Family
ID=65843443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811166508.3A Pending CN109530657A (en) | 2018-10-08 | 2018-10-08 | The preparation process of cooling plate |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635136A (en) * | 2022-03-17 | 2022-06-17 | 中国电子科技集团公司第十研究所 | Method for controlling surface quality of flow channel in liquid cooling cold plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069172A (en) * | 2011-02-17 | 2011-05-25 | 北京科技大学 | Composite casting method of aluminum cooling plate |
| CN104707971A (en) * | 2015-02-15 | 2015-06-17 | 刘坚 | Manufacturing method of pipe burying type heat conduction aluminum component |
| JP2016053463A (en) * | 2014-09-04 | 2016-04-14 | 株式会社豊田自動織機 | Pipe member for solar heat collection heat pipe |
| CN105618714A (en) * | 2015-12-30 | 2016-06-01 | 东风商用车有限公司 | Aluminizing and embedding casting process for aluminum-based material |
| CN106238710A (en) * | 2016-08-25 | 2016-12-21 | 上海交通大学 | The solid-liquid method of attachment of aluminum aluminum metal |
-
2018
- 2018-10-08 CN CN201811166508.3A patent/CN109530657A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102069172A (en) * | 2011-02-17 | 2011-05-25 | 北京科技大学 | Composite casting method of aluminum cooling plate |
| JP2016053463A (en) * | 2014-09-04 | 2016-04-14 | 株式会社豊田自動織機 | Pipe member for solar heat collection heat pipe |
| CN104707971A (en) * | 2015-02-15 | 2015-06-17 | 刘坚 | Manufacturing method of pipe burying type heat conduction aluminum component |
| CN105618714A (en) * | 2015-12-30 | 2016-06-01 | 东风商用车有限公司 | Aluminizing and embedding casting process for aluminum-based material |
| CN106238710A (en) * | 2016-08-25 | 2016-12-21 | 上海交通大学 | The solid-liquid method of attachment of aluminum aluminum metal |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114635136A (en) * | 2022-03-17 | 2022-06-17 | 中国电子科技集团公司第十研究所 | Method for controlling surface quality of flow channel in liquid cooling cold plate |
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