An anti-counterfeit printed matter forming an invisible image that can be visualized clearly and prevents a visible image from impeding visibility of a visualized invisible image. Vacuum valves separate the central chamber from the queuing station and the plasma reactors. Next, a first marker position is received, a first marker is displayed at the marker position, and an association between the asset element and the first marker is established. Control terminals of the first and the second switch are connected to a word line. One end portion of at least one spring is secured to a first bead spring adjacent a rim. A second subset of the plurality of transmitters that are apt to send the transmissions non-simultaneously is determined.