How is the panel separated after assembly?

I need to design LED tube PCB and is only 20mm wide, so there will be at least 10 pieces next to each other on one panel. The assembly house warned me, that it is not the same to separate these as it is with standard PCBs. How are these made to be separated?

You can have them milled and V-grooved in a similar way to the way it is done on FR4 PCBs.

The edges where they are separated from where the V-groove was will not be smooth, the other edges will be smooth.

If you require all the edges to be smooth you can have them milled out entirely and insert them into carriers for assembly.

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Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.
Oliver Smith

Oliver Smith

Oliver is an experienced electronics engineer skilled in PCB design, analog circuits, embedded systems, and prototyping. His deep knowledge spans schematic capture, firmware coding, simulation, layout, testing, and troubleshooting. Oliver excels at taking projects from concept to mass production using his electrical design talents and mechanical aptitude.

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Can I use LEDs without PCB?

I recently purchased LEDs on ebay that were supposed to come attached to star PCB (as a heat sink). The items I received are just the LEDs (no PCB). They are listed as 3W LEDs, with a forward voltage of 3.0-3.4V, and current at 700mA.Will I damage/destroy the LEDs if I use them without a heat sink? If not, what is the best way to mount these to preserve their life during operation?

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