Disclosed is a nonvolatile memory system including at least one nonvolatile memory each having a plurality of nonvolatile memory cells and a buffer memory; and a control device coupled to the nonvolatile memory. It further comprises provision of a serviced entity value function for the service being dependent on at least one serviced entity value parameter. The pillars are at least partially embedded in the sacrificial material or formed within sacrificial material molds, and the sacrificial material is capable of being removed while leaving the pillars substantially intact. A second signal responsive to the gas flow in the conduit is also obtained. The method includes providing a boundary based on the display area and the non-display area.