Jindu Zipper Fin Heat Sinks
Jindu Zipper Fin Heat Sinks
Jindu’s Zipper Fin Heat Sinks are engineered for exceptional thermal performance in space-constrained electronics. Using a unique precision stamping process, we create interlocking fins that enhance heat dissipation by increasing the surface area. This efficient cooling solution is ideal for high-performance devices, ensuring optimal functionality even in the most compact designs.
Efficient Cooling, Trusted by Industry Leaders
With 15 years of expertise, Jindu is a trusted partner for top-tier brands like NVIDIA, Google, and Huawei. Our commitment to quality control and innovative manufacturing techniques ensures each heat sink delivers reliable, long-lasting performance. Enhance your designs with our cutting-edge thermal management solutions.
What Are Zipper Fin Heat Sinks?
What Are Zipper Fin Heat Sinks?
Zipper fin heat sinks are a type of heat sink constructed from individually stamped metal fins that are folded and interlocked together in a unique “zipper-like” pattern. This fin stack is then typically joined to a base plate, which can be made from various materials and formed through different processes like stamping, extrusion, or precision CNC machining.
This design allows for an exceptionally high fin density and aspect ratio, maximizing the surface area available for heat exchange within a minimal footprint. The interlocking structure also provides significant mechanical strength and durability.
The Jindu Manufacturing Process for Zipper Fin Heat Sinks: Precision and Efficiency
- Material Selection: We utilize high thermal conductivity materials, primarily premium aluminum alloys (6061/6063) and copper (C1100), chosen for their excellent thermal properties and durability.
- Precision Stamping: Individual fins are meticulously stamped from thin metal sheets using high-precision tooling.
- Automated Forming & Interlocking: The stamped fins are then folded and interlocked using automated machinery, creating a robust, high-density fin array with precise fin pitch and height.
- Base Integration & Joining: The zipper fin stack is securely joined to a base plate. Depending on the application, this base can be stamped, extruded, or precision CNC machined (leveraging Jindu's ±0.005mm tolerance for optimal flatness). Joining methods include advanced soldering or brazing.
- Surface Finishing: To enhance corrosion resistance, electrical insulation, and overall aesthetics, we offer various surface treatments such as anodizing and sandblasting, as well as nickel plate or chromate.
- Quality Assurance: Every zipper fin heat sink undergoes rigorous quality control, including dimensional inspections, thermal performance testing, and structural integrity assessments.
Why Choose Jindu Zipper Fin Heat Sinks?
Partnering with Jindu for your zipper fin heat sink needs offers a multitude of advantages, combining superior thermal performance with cost-effectiveness and design flexibility:
High Fin Density: The interlocking design allows for significantly higher fin densities compared to other manufacturing methods, maximizing the surface area available for heat transfer in a given volume. This can result in up to 30% lower thermal resistance.
Optimized Airflow:The unique zipper fin pattern can be designed to optimize airflow, promoting better convection and faster heat dissipation, especially effective in forced convection (fan-sink) applications.
Support for High Heat Flux:Capable of meeting heat dissipation requirements ranging from 10W to 500W.
Tailored Geometries:We offer extensive customization in fin pitch, height, length, and overall dimensions. The design can be open or closed based on your specific airflow needs.
Integrated Solutions:Zipper fin heat sinks can be seamlessly integrated with heat pipes, vapor chambers, or fan/blower assemblies to create comprehensive thermal modules.
Material Versatility:We work with aluminum (6061/6063) and copper (C1100), allowing for optimal material selection based on your performance and weight requirements.
Economical for Volume Production:The automated stamping and assembly process makes zipper fin heat sinks highly cost-effective for medium to high-volume mass production (supporting up to 10,000+ pieces), reducing unit costs.
Rapid Prototyping:We offer a fast sample cycle of 7 days, enabling quick design validation and R&D verification.
Structural Integrity:The interlocking fin design provides excellent mechanical stability and durability, making them resistant to shock and vibration.
Lightweight Advantage:When made predominantly from aluminum, zipper fin heat sinks are significantly lighter than solid copper alternatives, crucial for weight-sensitive applications.
Ready to Experience Unmatched Cooling Performance in Compact Designs?
Choose Jindu Zipper Fin Heat Sinks for custom, high-performance cooling solutions that meet the most demanding specifications.
Jindu's Comprehensive Zipper Fin Heat Sink Solutions
At Jindu, we provide a complete end-to-end solution for your Zipper Fin Heat Sink needs:
Materials Expertise
We regularly process high-grade Aluminum (e.g., 6061, 6063) and Copper (e.g., C1100) to meet diverse thermal and mechanical specifications, ensuring thermal conductivity up to 200 W/mK for aluminum and even higher for copper.
Advanced Manufacturing Capabilities Our facility is equipped for high-volume stamping and assembly processes essential for zipper fins. We also leverage our 50+ sets of high-end CNC machinesand 8 CNC lathes machines for precision machining of bases or integrated features, ensuring a ±0.005mm tolerance.
Our annual part capacity exceeds 50,000+ parts, demonstrating our capability to handle large-scale orders.
Quality Assurance & Testing
Thermal Simulation: Our engineers utilize ANSYS Fluent for in-depth thermal simulations to validate designs and predict real-world performance.
Actual Test Reports: We provide comprehensive actual test reports, including air tightness tests and heat dissipation analysis, to confirm the performance and reliability of our custom solutions.
Certifications: Our commitment to quality is underpinned by our IATF16949 certification, with ISO14001 and ISO13485 certifications actively in progress, ensuring adherence to the highest international standards.
Technical Specifications & Performance Highlights
| Feature | Jindu Zipper Fin Heat Sink Performance |
| Heat Dissipation Range | 10W to 500W |
| Primary Materials | Aluminum (6061/6063), Copper (C1100) |
| Tolerance (Base/Machined Features) | ±0.005mm |
| Typical Sample Cycle | 7 Days |
| Mass Production On-Time Delivery | 98% |
| Annual Part Capacity | 50,000+ parts |
Ready to Experience Unmatched Cooling Performance in Compact Designs?
Choose Jindu Zipper Fin Heat Sinks for custom, high-performance cooling solutions that meet the most demanding specifications.
Zipper Fin Heat Sink Surface Finishing
Surface finishing is vital for zipper fin heat sinks, boosting their performance, durability, and looks. These treatments provide corrosion resistance, electrical insulation, and better heat transfer.
Common Finishes
Anodizing: An electrolytic process for aluminum, improving corrosion resistance and electrical insulation.
Chromate Conversion Coating (Chemfilm): A coating for aluminum or copper that prevents corrosion and tarnishing.
Nickel Plating: Protects underlying metals like copper from corrosion and can improve conductivity.
We choose finishes based on thermal performance, environmental needs, and desired appearance.
Sandblasting: Creates a textured surface for better coating adhesion or aesthetics.
Powder Coating: A durable, colorful dry finish.
Painting: Offers protection and various aesthetic options.
Other Plating: For copper, options like gold, silver, or tin plating prevent deterioration.
Diverse Applications
The high performance, compact design, and cost-effectiveness of Jindu’s Zipper Fin Heat Sinks make them ideal for a wide array of demanding applications:
Why Partner with Jindu? Your Strategic Thermal Management Ally
Choosing Jindu for your Zipper Fin Heat Sink needs means partnering with a leader dedicated to innovation, uncompromising quality, and your project’s success.
15 Years of Proven Expertise
With over a decade and a half of dedicated experience in advanced thermal management and precision manufacturing, we bring unparalleled industry knowledge and a proven track record.
Integrated One-Stop Service
From initial concept and customized design to advanced thermal simulation (ANSYS Fluent), precision manufacturing, rigorous testing, and efficient mass production, Jindu offers a seamless, end-to-end thermal solution.
Rapid & Reliable Delivery
We offer a swift 7-day sample cycle for rapid prototyping and validation, complemented by an impressive 98% on-time delivery rate for mass production.
Unwavering Commitment to Quality
Our dedication to the highest quality standards is underscored by our IATF16949 certification and our ongoing application for ISO14001 and ISO13485 certifications, ensuring adherence to the highest international standards.
Investing in the Future
We are continuously expanding our capabilities. Our planned relocation to a new, twice-expanded factory in 2026, equipped with state-of-the-art new production lines, will further enhance our capacity and technological leadership.
Comprehensive Core Capabilities
Beyond Zipper Fin Heat Sinks, Jindu specializes in a full spectrum of precision thermal solutions, including Extruded Heat Sinks, Cold Forged Heat Sinks, Skived Fin Heat Sinks, Bonded Fin Heat Sinks, Die-Casting Heat Sinks, CNC Machined Heat Sinks and advanced Liquid Cold Plates (Brazed and Friction Stir Welded), ensuring we can address virtually any thermal challenge.
The Jindu Process: From Concept to Optimized Cooling
We implement a streamlined, collaborative process to bring your ideal thermal solution to fruition
Discovery & Requirements Analysis
We begin by thoroughly understanding your project's specific thermal needs, power dissipation, space constraints, and functional requirements.
Custom Design & Thermal Simulation
Our expert engineers develop an optimized Zipper Fin Heat Sink design, validated through advanced CAD modeling and comprehensive thermal simulations using ANSYS Fluent.
Prototyping & Validation
We rapidly produce high-quality prototypes for your evaluation, followed by rigorous in-house testing and the provision of actual test reports to confirm performance, reliability, and adherence to all specifications.
Precision Manufacturing & Quality Control
Leveraging our state-of-the-art manufacturing capabilities, we proceed with efficient and precise production, with stringent quality checkpoints at every stage.
Delivery & Ongoing Support
We ensure on-time delivery of your optimized Zipper Fin Heat Sinks and provide continuous technical support for seamless integration and long-term performance.
Related Products
