Embodiments of apparatus and methods for human-computer interaction are described. At least one retaining frame configured for supporting at least one substrate is arranged on each of the two carrier apparatuses. In the first step, the prepolymer is partially-cured by reacting it with hydroxyl curing agents, amine curing agents, or mixtures thereof. A synchronous mode detecting unit determines whether a mode is a synchronous mode or not from a valid address signal and the clock to generate a synchronous mode signal. The device minimizes radiation damage to healthy tissue surrounding the body cavity or other site while irradiating tissue not shielded by the radiation shielding components.