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Q What is the difference between bonded fin cold plate and deep hole drilled cold plate?
A Deep hole drilling cold plate runners are smooth, mainly relying on fluid convection heat transfer, but cannot increase the internal surface area. Bonded fin cold plates greatly increase the heat transfer surface area with high-density fins, providing better thermal performance in most cases. At the same time, the runner design of the bonded cold plate is more flexible and the cost is more advantageous.
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Q What materials do you offer for Embedded Tube Cold Plates?
A We typically offer aluminum baseplates (e.g., 6063 aluminum) and copper baseplates, with tubing typically made of copper or stainless steel. The choice depends on your application needs, thermal performance requirements, and cost considerations.
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Q Our commitment: Excellent quality, trustworthy
A 
At Winshare Thermal, quality is at the heart of everything we do. We understand that the stability and reliability of your heat sink's performance are directly related to the success of your product. Therefore, we have established a comprehensive and rigorous quality management system to ensure that every step, from design to delivery, meets the highest standards. -
Q Radiator-specific quality inspection process
A Radiator-specific quality inspection process Raw material verification: All aluminum and auxiliary materials entering the warehouse are strictly analyzed for physical and chemical composition to ensure that the material composition is pure and meets the standard requirements, thus ensuring product quality from the source. Precision Dimension Inspection: During the extrusion molding, CNC machining and final inspection stages, we use high-precision three-dimensional coordinate measuring machines (CMMs), optical measuring equipment and calipers to strictly inspect the key dimensions of the heat sink, such as length, width, height, fin spacing, flatness, hole position, etc., to ensure that they are fully consistent with the design drawings and tolerance requirements. Thermal Performance Verification: We maintain a professional heat sink thermal testing laboratory equipped with advanced thermal resistance testing equipment. We perform random sampling or full inspections on key products, simulating actual operating conditions to verify that thermal performance parameters such as heat sink thermal resistance and temperature distribution meet design targets, ensuring heat dissipation efficiency. Surface finish and integrity inspection: Visually and using specialized instruments, inspect the radiator's surface treatment (e.g., anodizing, electrophoresis) to ensure the coating is uniform, scratch-free, bubble-free, consistent in color, and meets requirements for corrosion resistance and insulation. Full traceability: We implement a comprehensive batch management system, where each product has a unique production batch number that can be traced back to the raw material supplier, production shift, process parameters and inspection records, ensuring transparency and quality control throughout the supply chain. -
Q What is the fundamental difference between vapor chamber and heat pipe?
A Common types include microchannels, needle fins, and high-density fins. Microchannels provide extremely high heat transfer area and efficiency for ultra-high heat flux densities with relatively large pressure drops. The needle fin structure can effectively disturb the fluid, taking into account both heat transfer and pressure drop. The high-density fins improve heat transfer by increasing the surface area, and the design is flexible. Winshare will recommend the most suitable runner structure based on your specific application needs, combined with thermal simulation and fluid dynamics analysis, to achieve optimal heat dissipation and system performance.
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Q Can the brazing heat sink be customized? What information do I need to provide?
A Yes, we offer comprehensive customization services. You will need to provide heat load requirements, available space limitations, airflow conditions, target temperature, application type, preferred materials, expected production batches, and any existing design drawings or concept sketches.
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Q How is a Skived Fin Heat Sink manufactured?
A skived fin heat sink is made from a single, solid block of aluminum or copper. A specialized cutting tool shaves thin layers of material, pushing them upwards to form integral fins. This continuous process ensures the fins are an inherent part of the base, eliminating thermal interface resistance. Final shaping and finishing touches complete the process.
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Q Is the bonding strength of the fins to the base plate reliable?
A Our bonding technology is very reliable. Our vacuum brazing process creates metallurgical grade bonds with extremely high strength and durability. Combined with rigorous bond strength tensile testing and high-pressure testing, our products are built to withstand long-term demanding applications.
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Q International system certification:
A ISO 9001:2018: Comprehensive quality management system covering the entire process of product design, production, testing and service ISO 14001:2004: Environmental Management System Certification reflects our commitment to green manufacturing and sustainable development. TS 16949: (if applicable) Automotive industry quality management system, ensuring that products meet the high standards required in the automotive field. -
Q How long does it take to customize Embedded Tube Cold Plates?
A Customization time depends on the complexity of the design, material procurement time, and production schedule. Typically, it takes approximately X weeks from design confirmation to prototype delivery, with volume production scheduled based on order quantity. We recommend contacting our sales team in advance for an accurate time estimate.
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Q What is the thickness limit of vapor chamber?
A The material of a water block directly impacts its thermal conductivity, weight, cost, and compatibility with coolant. Copper, with its exceptional thermal conductivity (approximately 400 W/m·K), is the material of choice for high-performance water blocks but comes at a higher cost and is relatively heavy. Aluminum alloys (approx. 200 W/m·K) are lightweight and cost-effective for applications where weight and cost are critical. Choosing the right material also involves considering chemical compatibility with the coolant to prevent long-term corrosion or degradation in performance. Winshare will provide professional material selection advice.
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Q What is the typical delivery time for brazed heat sinks?
A The delivery time depends on the complexity of the design, material procurement cycle and production batch. You can contact us and we will give you the exact time according to the plan.
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Q What are the main benefits of Skived Fin Heat Sinks?
A Key benefits include superior thermal conductivity due to their single-piece construction, high fin density and aspect ratios for maximized surface area, significant design flexibility, low tooling costs for custom solutions, and enhanced durability.
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Q What is the production cycle of Bonded Fin Cold Plate?
A The production cycle depends on the specific design complexity, material availability, and order volume. We have an efficient production management process, usually 2-4 weeks for sample production and 4-8 weeks for mass production. It is recommended that you provide detailed design drawings, and we will provide you with an accurate delivery estimate.
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Q Precision quality control:
A Incoming Quality Control (IQC): Strictly screen and test raw materials to ensure they meet standards. Process Inspection (IPQC): Real-time monitoring of each production link to ensure stamping accuracy and consistency. Finished product inspection (FQC): Conduct comprehensive inspections on the final product in terms of size, appearance, performance, etc. Reliability testing: including salt spray testing, vibration testing, thermal shock testing, etc., to verify the long-term stability of the product in harsh environments. -
Q How complex can the flow channel shape of a drilled cold plate be?
A Drilled cold plates offer a high degree of freedom in flow channel design. In addition to straight channels, we can create complex 3D channels, cross channels, multi-layer channels, and special-shaped channels customized to the shape of the heat source to maximize heat dissipation efficiency.
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Q What is the weld strength of FSW cold plate?
A FSW welds are solid-state welds with no melting process, resulting in dense microstructure and strength that approaches or even exceeds that of the parent material. We ensure weld quality through strict quality control and non-destructive testing.
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Q What coolants can be used with Embedded Tube Cold Plates?
A Common coolants include water, deionized water, water-glycol mixtures, and dielectric fluids. Selecting the appropriate coolant requires consideration of its thermal properties, compatibility with the cold plate material, operating temperature range, and safety features.
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Q Our main certifications
A ISO 9001:2015: Internationally recognized quality management system certification, covering the entire product life cycle.
IATF 16949: Quality management system for the automotive industry, providing the highest guarantee for high-demand fields such as automotive electronics.
ISO 14001:2015: Environmental Management System Certification, reflecting our commitment to sustainability and eco-friendly manufacturing.
UL / CE / RoHS: Products comply with safety, health and environmental regulations in major markets around the world. -
Q What are the types of capillaries inside vapor chambers?
A Pressure drop refers to the pressure lost by the coolant as it flows through the internal flow channel of the water block. Excessive pressure drop can increase the load on the pump, leading to increased system power consumption, shortened pump life, and even affected coolant flow, thereby reducing overall heat dissipation efficiency. Winshare will comprehensively consider the balance between heat dissipation performance and pressure drop when designing water blocks, striving to meet heat dissipation needs while maintaining a low system pressure drop, and optimizing the energy efficiency and reliability of liquid cooling systems.
