The present invention is an attacher having a receiver extending rearward and a boom extending upward and rearward from a base. The inventive lens sheet has a shielding layer without any axial misalignment at front and rear sides. This invention also provides a method for automatically generating an off-line recipe and a file for recipe generation from a recipe of a scanning electron microscope. These periods of \u201cunused\u201d input are utilized to increase the intensity of the signal that the brain perceives. The at least one brace comprises a first end region and a second end region.