OEM China Lead Free Hasl - Aluminum pcbs led aluminum pcb 1Layer mirror Aluminum Base Board| YMSPCB – Yongmingsheng

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OEM China Lead Free Hasl - Aluminum pcbs led aluminum pcb 1Layer mirror Aluminum Base Board| YMSPCB – Yongmingsheng Detail:

What is Aluminum PCB?

An aluminum PCB has a similar layout to Normal PCB. It has a layer or layers of copper, solder mask and silkscreen layered over it. Instead of having a fiberglass or plastic substrate, though, an aluminum circuit board has a metal substrate. This base mainly contains a combination of aluminum. The metal core can consist entirely of metal or have a combination of fiberglass and aluminum. Aluminum PCBs typically are single sided, but can be double sided as well. Mulilayer Aluminum PCBs are highly difficult to manufacture.

Performance of Aluminum PCB

1. Thermal Dissipation

Common PCB substrates, such as FR4, CEM3 are poor conductors of thermal. If the heat of electronic equipments cannot be distributed in time, it will result in high temperature failure of electronic components. Aluminum substrates can solve this thermal dissipation problem.

2. Thermal Expansion

Aluminum substrate PCB can effectively solve the thermal dissipation problem, so that the thermal expansion and contraction problem of components on printed circuit boards with different substances can be alleviated, which improves the durability and reliability of whole machine and electronic equipments. In particular, aluminum substrate can solve the SMT (surface mount technology) thermal expansion and contraction problems.

3. Dimensional Stability

Aluminum substrate printed circuit board has apparently higher stability than the insulating material of the printed circuit board. When heated from 30 ° C to 140 ~ 150 ° C, the dimensional change of aluminum substrate is only 2.5 ~ 3.0%.

4. Other Performance

Aluminum substrate printed circuit board has shielding effect, and can alternative brittle ceramic substrate. Aluminum substrate also helps to improve the heat resistance and physical properties and reduce production costs and labor.

YMS Aluminum PCB manufacturing capabilities:

YMS Aluminum PCB manufacturing capabilities overview
Feature	capabilities
Layer Count	1-4L
Thermal Conductivity(w/m.k)	Aluminum PCB:0.8-10
	Copper PCB:2.0-398
Board Thickness	0.4mm-5.0mm
copper Thickness	0.5-10OZ
Minimum line Width and Space	0.1mm/0.1mm(4mil/4mil)
Speciality	Countersink,Counterbore drilling.etc.
Types of Aluminum Substrates	1000 series;5000 series;6000 series,3000 series.etc.
Min mechanical Drilled Size	0.2mm(8mil)
Surface Finish	HASL, Lead free HASL,ENIG,Immersion Tin, OSP, Immersion Silver, Gold Finger, Electroplating Hard Gold, Selective OSP，ENEPIG.etc.
Solder Mask	Green, Red, Yellow, Blue, White, Black, Purple, Matte Black, Matte green.etc.

2.Three differences between fiberglass and aluminum substrate

3.Aluminum substrate applications

Product detail pictures:

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All we do is always associated with our tenet " Customer first, Trust first, devoting on the food packaging and environmental protection for OEM China Lead Free Hasl - Aluminum pcbs led aluminum pcb 1Layer mirror Aluminum Base Board| YMSPCB – Yongmingsheng , The product will supply to all over the world, such as: Burundi, Jordan, Nigeria, Now we've been sincerely consider to grant brand agent in different areas and our agents' maximum margin of profit is the most important thing we care about. Welcome all of the friends and customers to join us. We have been ready to share win-win corporation.

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The quality of the products is very good, especially in the details, can be seen that the company work actively to satisfy customer's interest, a nice supplier.