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What You Need to Know about Aluminium PCBs

by 99 Advertising Online Advertising Services

A printed circuit board, or PCB, is a self-contained board of interconnected electronic elements found in devices ranging from common beepers, or pagers, and radios to sophisticated radar and computer systems. Aluminium PCB also referred to as metal base PCB, is a type of PCB which consists of copper-clad laminate and a thin dielectric thermally conductive and electrically insulating layer that is laminated between the copper foil and metal base. Aluminium PCB. It is a type of PCB which uses dielectric thermally conductive and electrically insulated material between the copper layer and aluminium metal. This PCB is a highly effective choice for the applications which involve heat dissipation, maintaining and controlling the overall temperature of the project.

 

There are various types of aluminium PCBs which are used in many applications based on their construction and design. However, the basic function of all the aluminium PCBs is almost the same; providing heat dissipation solutions for the applications involving high temperature. Following are the main types of aluminium PCB:

-         Flexible aluminium printed circuit boards: These materials come with polyimide resin integrated with ceramic filters which exhibit high flexibility, thermal efficiency and excellent electrical insulation.When these materials are applied on an aluminium material, they result in a final product that eliminates the need for costly cable and connectors.

-         Hybrid aluminium printed circuit boards: In hybrid aluminium construction, non-thermal material is processed and refined separately before it is applied to the thermal materials with aluminium base.

-         Through-hole printed circuit boards: When it comes to most complex constructions, a single layer of aluminium is back-filled and pre-drilled with before applying lamination, forming a Core of a multilayer construction.Thermal bonding materials are then used to laminate the thermal materials on both sides of the aluminium.

Aluminium printed circuit board assemblies are very useful for various industries. It possesses various properties which becomes advantageous for various devices:

-High level of heat dissipation provided by this aluminium PCB is very high which makes them an ideal choice for the applications involving high temperature and pressure.

-Low cost is another benefit which makes aluminium effective and economical in most of the applications. Aluminium is a common metal, easily available that can be mined and refined at very low cost.

-Non-toxic nature of aluminium makes it environmentally friendly and an ideal choice for the applications that involve recycling of products.

-Aluminium is more strong and durable than fibreglass and ceramic products.

-Aluminium is very lightweight. It adds strength and durability to the product without adding additional weight.

-Thermal transfer is more efficient and reliable than a regular PCB.

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These properties make aluminium printed circuit boards apt in the electronics industry.These products were mainly developed for the high power switching applications but they gained enough popularity when they are introduced in LED applications.The aluminium design operates at higher current for mounted LEDs, keeping the temperature tolerance within specified limits.Automotive and RF use the advantages of aluminium PCBs and make them available for everyone. Aluminium PCBs are an effective choice for the applications involving heat dissipation because they provide an ideal exit of the heat with the help of dielectric, maintaining the overall temperature of the project design.


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Created on Dec 3rd 2019 03:17. Viewed 482 times.

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