The detail information of product

Custom Pure Copper Heatsink Fabrication for Laptop CPU and RAM

Pure copper heatsink fabrication is the ultimate solution for enhancing cooling performance in laptops, RAM components, and high-power laser systems. At our precision engineering hub in Bac Ninh, Vietnam, VINACNC utilizes C1100 red copper with 99.9% purity to leverage its superior thermal conductivity. The production workflow integrates modern machining techniques such as laser cutting, CNC bending, and welding to create complex thermal structures that perfectly meet the strict space constraints of laptops and the thermal stability requirements of laser equipment.

Specialized Copper Cutting, Bending, and Welding Services

At VINACNC, the copper component manufacturing process is executed with micron-level precision:

Precision CNC Cutting and Milling: Utilizing fiber laser cutting or CNC milling to shape copper plates and laser heatsink holders. Controlling ultra-fine surface roughness enhances the actual contact area between the heatsink and the CPU/RAM surface, eliminating thermal contact resistance.
CNC Bending Processing: Shaping heat pipes or copper cooling plates to match laptop chassis and circuit board profiles. Precision bending technology ensures materials do not crack or undergo structural deformation, maintaining optimal thermal flow.
Advanced Welding Technology: Applying specialized welding methods to durably bond cooling fins to the copper base. The welds are aesthetically superior and void-free, ensuring uniform thermal conductivity throughout the heatsink block.
High-Efficiency RAM Cooling: Designing thin copper plates to cover RAM memory chips, facilitating rapid heat dissipation and preventing thermal throttling during heavy workloads.

Professional Export Packaging and Preservation Process

Pure copper components are sensitive to humidity and prone to surface oxidation. VINACNC implements a rigorous international standard packaging process for shipping from Vietnam:

Ultrasonic Cleaning: Thoroughly removes machining oils, fingerprints, and mechanical impurities using industrial ultrasonic systems before packaging.
Passivation and Anti-Oxidation: Copper surfaces undergo protective treatment, then components are wrapped in specialized VCI anti-rust paper or PE film to prevent salt-air humidity impacts.
Multi-layer Cushioning: Each heatsink is placed in shaped foam trays or thick bubble wrap to eliminate vibration and prevent mechanical impact that could deform thin fins or scratch contact surfaces.
International Standard Crating: Products are packed in fumigated wooden crates (ISPM 15 standard) or high-grammage reinforced cartons with secure strapping.
Traceability Labeling: Clear labeling displaying part codes, specifications, and barcodes for efficient destination logistics control.