Folded Fin

Folded Fin Heatsinks Thermal Solutions

Cooling Source manufacture folded fin heatsinks by bending aluminum or copper sheets. Folded fins come in various sizes. CSI bond the fins to a different base. This heatsink allows the base and the folded fins to be manufactured from different metals.
This can be an excellent choice when your needs require a thin folded fin. Because Cooling Source can make the parts lightweight and with a different material for the base, thus lowering your overall materials and tooling costs.

If you are not sure that this kind of heatsink is the right choice for your needs, our experts know to help you make the right decision for cost, tooling time, and delivery date.

Some of folded fins heatsinks benefits are:

Folded Fin Heatsinks can have fins thinner  than 0.010.”
Fins can be as high as 1 inch
Gaps between fins can be 0.060.”
Process of brazing or soldering is performed in vacuum furnaces
The base and the fins do not have to be the same material
Higher aspect ratio than extrusions

Engineering Support

Briefly, as part of design work, our engineers apply advanced 3D modeling. Also, we are using cutting-edge CFD tools to optimize your heat transfer project. In addition, we provide our customers with a complete cooling solution to meet specific requirements in a timely and cost-effective manner.

Also, you can count on our Mechanical Engineers to assist with design change and reduce manufacturing costs.

Our fully equipped lab is available to valid your designs, testing, and inspect.

The CSI team can help you meet tight schedule requirements while focusing on your business’s core competencies.

Also, we stand by, ready to support you from concept to production globally.

We ensure secure facilities, traceability, and document control.

Call or e-mail us today to see what your options are. We feel confident that you will love our products, competitiveness, engineering support, and customer service during the sale and afterward.




Folded in transp

2021 Las Positas Ct, Ste 101
Livermore, CA 94551
Phone: (925) 292-1293
Fax: (925) 292-5061


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Heat pipes, extruded aluminum heatsinks, thermal design.