What material is the aluminum substrate on the back of the LED integrated light source? Is it copper?
Aluminum substrate is said, of course aluminum, should be used for heat dissipation.
Some aluminum substrates are used on the back, some are made of copper substrates, others are made of ceramic substrates. If the aluminum substrate is used, the aluminum substrate is mainly composed of alloy aluminum material, insulating layer and etching circuit, and copper layer.
As the name suggests, the aluminum substrate must be made of aluminum, but not pure aluminum, but aluminum alloy.
