Vapor Chamber

Vapor Chamber

Engineers often describe a vapor chamber as a planner heat pipe or heat spreader.  In other words,  it is a two-phase device used to spread heat from a heat source to a heat sink.  For electronics cooling applications, the heat transfer is usually to a heatsink close to the heat source.

The use of vapor chambers has increased markedly as both the total power and, as a result of shrinking die sizes, the power density has skyrocketed. In terms of price and application flexibility, today’s vapor chambers are both more capable and lower cost than even a decade ago.

The most popular vapor chamber technology combination is a copper envelope using a copper sintered wick with water as the working fluid.

How Does a Vapor Chamber Work?

In the most common vapor chamber heatsink configuration, the heat source directly contacts the underside center portion of the vapor chamber. Consequently, the design engineer attached a heatsink to the top side. As a result, some of the working fluid (water) vaporizes and travels to cooler areas. The fin array absorbs this heat, causing the vapor to condense and return to liquid form. This liquid is reabsorbed by the wick material and distributed, through capillary action, to the heat source, where the cycle repeats.

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 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.

CSI team can help you meet tight schedule requirements while allowing you to focus 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

Vapor chambers are described as planner heat pipes or heat spreaders.


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


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