A semiconductor device includes a first semiconductor layer of a first conductivity type, a first gate insulating film, a first gate electrode and first sourcedrain regions. A method of making an article, which method includes: providing a porous backing having a first major surface and a second major surface; applying a pressure sensitive adhesive to the first major surface of the porous backing; and applying an aqueous dispersion including a thermoplastic silicone-containing polymer to the second major surface of the porous backing to form a low adhesion backsize. Several modes for processing the drainage comprising spent wash liquid and removed debris contained in the gutter are disclosed, one mode comprising automated processing using a screw conveyor. The alignment operation serves to reduce the level of the one-time pad of at least the device wishing to carry out the interaction, to the level of the lowest one-time pad of the set of entities involved in the alignment operation. The control unit arranged to receive the flux signal at an input terminal and, in response, provide a control signal based on the measurement signal at an output terminal for controlling an amplitude of the current or a force of a further device. Since the timing of the output from the FIFOs is based on known system parameters, instead of the actual arrival of the slowest data unit group at its corresponding FIFO, time aligned data unit groups may be output regardless of whether the slowest data unit group is available.