Phillips Plastics Corp, Eau Claire, Wis., used a magnesium casting to make an assembly that injects and ejects 3.5-in. hard drives from a server, squelches and dampens vibrations from the disk drives, and protects against EMI. The cast part is the assembly's backbone, holding fiber channels, clips, an EMI shield, hard drive, a locking mechanism and a pin connector. Zinc was previously used, but magnesium better dampens vibration and brings inherent EMI protection.

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