Semiconductor devices such as VCSELs, SELs, LEDs, and HBTs are manufactured to have a wide bandgap material near a narrow bandgap material. The adhesive is introduced through a first opening into an internal cavity formed between two or more components. Target therapeutic temperatures and times are varied according to the desired treatment effect. The combination of adsorption and absorption enables the sorbent to sorb up to twenty times it own weight of hydrocarbon or organic liquid. The recall probability of a block is a function of its unreferenced time interval and possibly size and other auxiliary parameters. According to the present invention, the display is switched between a first so-called normal operating mode, wherein all the display lines are activated, and at least a second so-called standby operating mode, wherein so-called non-active lines of the display are deactivated by applying, across the corresponding line electrodes, so-called non-activation line signals.