What does the COB source COB source mean? What is the full name of the COB light source in English?

What does the COB source COB source mean? What is the full name of the COB light source in English?
COB: In the LED chip packaging industry, COB English is: Chip On Board, which is one of the LED packaging methods. It is also one of the mainstream methods of indoor and outdoor LED lighting. The COB package directly encapsulates single or multiple LED dies. PCB (Printed Circuit Board) There are many kinds of boards on the printed circuit board. There are mirror aluminum substrates, ceramic substrates, ordinary aluminum substrates, red copper substrates, bronze substrates, special boards, etc. The COB is different from the general one. SMD (Surface Mounted Device) is printed on the substrate through the bracket. Its characteristics are: good heat conduction, long life, uniform spot, simple assembly, safety and environmental protection. It is currently the most promising LED packaging method;
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Barbell Pad

There is no doubt that squatting has a lot of benefits and it should be included in any workout regimen. Yet, so few people don`t squat because of various reasons – one of them being back and shoulder pains. Using a barbell pad can solve this issue really quickly.

Can effectively avoid the bar weight bearing position, and the barbell slide.Good inner liner, built-in high density, high resilience thickening like glue sponge, deep and safer and more comfortable Anti-seepage fabric, selected fabric absorbs moisture and absorbs sweat, double protection, good slip resistance, not easy to be eroded by sweat.


Weight Bar Pad,Weight Lifting Bar Pad,Barbell Foam Pad,Barbell Neck Pad

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