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Aluminum type of aluminum PCB

Posted by sere22 on May 17th, 2020

Regarding aluminum PCB, there are different types of aluminum used for aluminum-based printed circuit board laminates, a brief introduction is as follows,

There are three main types of commonly used metal aluminum bases, namely 1000 series, 5000 series and 6000 series. The basic characteristics of these three series of aluminum bases are as follows:

1050, 1060, and 1070 are typical types of the 1000 series.

The 1000 series is also called pure aluminum base, which is the purest of all series, and the purity can reach more than 99.00%. Because the series does not contain other technical elements, the production process is simple and the price is relatively cheap. It is the most commonly used series in conventional industries. Today, 1050 and 1060 are the most widely used on the market. 1000 series aluminum bases determine the minimum aluminum content range according to the last two digits, such as 1050 series, the last two digits are 50. According to the international brand naming principle, the aluminum content must be greater than 99.5%, if less than 99.5%, it is not qualified. The Chinese standard (GB / T3880-2006) clearly states that 1050 must reach 99.5% aluminum content. As with the 1060 series, the aluminum content must be higher than 99.6%.

5000 series includes 5052, 5005, 5083, and 5A05 series.

The 5000 series belongs to the commonly used alloy aluminum-based series, the main element is magnesium, about 3% to 5% of the magnesium element, so it is also called aluminum and magnesium alloy. The main features are low density, high tensile strength and high elongation. In the same area, the weight of aluminum-magnesium alloy is lighter than other series, which is why it is often used in the aviation field (such as aircraft fuel tanks). It is also widely used in other conventional industries. This processing technology belongs to hot-rolled aluminum-based products, so it can be oxidized. Currently, the 5052 is the most widely used in the 5000 series.

6061 belongs to 6000 series, which mainly contains two elements of magnesium and silicon.

6061 is a cold treatment of aluminum products, suitable for anti-corrosion and anti-oxidation requirements. General characteristics of 6061: excellent interface characteristics, easy to coat, high strength, good processability and strong corrosion resistance. Typical applications of 6061 aluminum base: aircraft parts, camera parts, couplers, marine accessories and metals, electronic parts and connectors, etc.

According to the technology, the aluminum / aluminum PCB board can be classified: HASL aluminum PCB, OSP aluminum PCB, silver-plated aluminum PCB, immersion gold aluminum plate, etc. According to the use, aluminum PCBs can be classified: street light aluminum plates, LED aluminum plates, LB aluminum plates, COB aluminum plates, packaging aluminum plates, power supply aluminum plates, automotive aluminum plates, etc.

Also See: Aluminum Plates, Aluminum Pcb, Aluminum Content, 5000 Series, Series, Aluminum, Plates

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