PCB

A photograph of the fracture surface in a silicone model, across both fracture planes, shows that the crack profile has a certain curvature

Secrets, cracks and fractures

It turns out that the shorter a crack in brittle materials - the more resistant they are to it, which can help in the design and use of applications that are based on brittle materials
Micropipettes with a slotted mouth, which has a ninety-degree cut on the side, allows for lateral movement and thus makes it possible to create an arched wire from the wires between one connection site and another. The wiring is actually done in the third dimension

An innovative method for wiring electronic components