LED Aluminum PCB

Dated:2016-12-09      Popularity:1050


Aluminum PCB

LED aluminum PCB is made up of the circuit layer, thermal insulation layer and metal core layer

Circuit layer require great current-carrying capacity, thus should use thicker copper foil and generally the thickness is from 35um to 280um. Thermal insulation layer is the core technology of aluminum PCB, and usually consists of special ceramics and fill special polymers with small thermal resistance, good viscoelasticity. It also has thermal aging ability, and can withstand mechanical and thermal stress. 

As to metal core layer, it is the support part of aluminum PCB, which require high heat conductivity. Basically the aluminum base is suitable for drilling, punching, shearing, cutting and other regular mechanical processing. Surface treatment include: gold plated, HASL, OSP, Immersion gold, lead-free ROHS process, etc.

Features of aluminum PCB are as follows: thin insulation layer, low thermal resistance, good heat dissipation, high mechanical strength. Its standard thickness is 0.8mm, 1.0mm, 1.2mm, 1.5mm, 2.0mm, 2.5mm or 3.0 mm. Its copper foil thickness is 1.8um, 35um, 70um, 105um, or 140um.

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