A charged particle beam apparatus which is able to adjust charged particle optics easily in a short time with a high degree of accuracy and a method of adjusting charged particle optics are provided. The flap may be integral to the base and may also be flexible to improve the efficiency of loading the replaceable mat. According to the invention process the image is filtered and the filtered image is then segmented into several portions. A system provides hardware and software to perform these functions. The RFID device may include a RFID inlay assembly that has been encased in a laminate that is safe for use with food products.