Marking of electronic components, SMD Codes 5D, 5D-, 5DW,

data 5dThe 5D memory crystal, which is actually made of silica glass, holds a Guinness World Record for the most durable data storage material. It's noted as being able to withstand cosmic radiation5D optical data storage (also branded as Superman memory crystal, [1] a reference to the Kryptonian memory crystals from the Superman franchise) is an experimental nanostructured