I understand that they are printed but why only flat? Is there no way to give it a 90 degree angle.
In: Technology
You’ve seen a projector? That’s basically how PCBs are manufactured. They shine an image onto a light sensitive chemical, and the parts of the chemical that are left on the board don’t get etched away. The boards need to be flat for this, and are usually some specific size the manufacturer has standardized on. More complicated boards have multiple layers laminated together, and it’s going to be hard to clamp them together if it’s not flat when this is happening.
After the board is manufactured, you can attach them to each other at an angle, and you can print circuits on a flexible substrate.
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