A measurement or protective device has a terminal for establishing a connection to a data bus. The method includes bonding the interface region to a handle substrate and subjecting the release material to an energy source to initiate release of the gallium and nitrogen containing substrate member. The cutting body or each cutting body is inclined in relation to the disk-shaped base body or the plate-shaped base body. If there is a pair of lines that do crossover one another, then the polygon is an invalid polygon.