A canister lid includes a cover member adapted to cover a canister, thereby defining an interior of the canister. For example, certain aspects are directed toward methods for controlling an evaporation process in an atom probe that includes initiating the atom probe evaporation process and monitoring a parameter associated with material being evaporated from a specimen. The alignment feature includes an inner surface. Relations are based on positions in the source, labels on these positions and ranges from the labels indicating the length of the relation. A method may include receiving at least one window attribute of a structure; obtaining a plurality of information via an electronic medium; and presenting at least one window covering option via the electronic medium, wherein the option is based on the at least one window attribute and the plurality of information. A tubular syringe carrier is arranged for holding the syringe and supporting it at a proximal end, the syringe and the syringe carrier arranged for joint axial translation.