A severable horizontal portion of a fuse link is formed relative to a vertically configured structure in an IC to promote separation of the severable portion upon applying energy from a laser beam. A first and a second diaphragm are provided in a housing. One of the protection circuits is formed in the first chip and the other is formed in the second chip, allowing effective ESD discharge according to CDM model. According to another aspect of the invention, a security server maintains a master black list and periodically communicates updates of the master black list to the local list of a client security application. The bone fastener is smaller across than the dynamization windows, so each spacer spaces the bone fastener relative to its dynamization window. According to one embodiment, the relatively smooth side of the electrolyte sheet is the fuel facing side and the more textured side is the air-facing side.