EMI Contact Strip Becu Spring EMI Shielding

Good elasticity is one of the key characteristics of EMI shrapnel. It needs to be able to deform elastically within a certain pressure range and quickly return to its original shape after the pressure disappears. For example, at the chassis joint of an electronic device, the EMI shrapnel is compressed between two metal surfaces. When the chassis is vibrated or thermally deformed, the shrapnel can deform accordingly, always maintaining close contact to prevent electromagnetic radiation from leaking from the gap. This elasticity also allows the shrapnel to adapt to different installation gaps, and the requirements for processing accuracy are relatively low.
EMI shrapnel made of highly elastic materials has a high elastic limit and fatigue resistance. Take beryllium copper as an example, it can withstand multiple compression and recovery cycles without elastic fatigue, ensuring long-term shielding effect. This is especially important for electronic devices that need to be opened and closed frequently or are in a vibrating environment for a long time (such as the connection between the screen and the body of a laptop, automotive electronic equipment, etc.).