I mean that the wafer fab must be able to bang out lot after lot without endless finicky adjustments to process parameters in order to get working parts. I'll pass on giving technology comparisons for reason given before. Some patents here if you want to check out IP: http://www.faqs.org/patents/assignee/4d-s-pty-ltd/
HYT Twiggy Forrest to acquire 40% of native hydrogen explorer – not long after putting Fortescue Future Industries to sleep
I88 Infini rolls on with soil sampling at Portland Creek not long after making possible 'uranium history'