THE GREAT MULLARD MAGIC BLOG — zone refining

A pal of mine, knowing I am a chemist decided to bring me this photograph from his time at Mullard Semiconductors - he thought the Dreschel bottles in the background would float my boat but in actuality it's the process being undertaken that piqued my interest.  My pal told me that this was an Orgone Accumulator - silly boy - but we know different!! What we have here is a photograph taken in 1955 at the Mullard semiconductor materials laboratory with a Process Engineer purifying an ingot of Germanium for semiconductor manufacturing by a process known as Zone Refining, an...