While the semiconductor industry does deal in the use of some specialised materials, and do require ultra clean room conditions, I believe their structure is an

While the semiconductor industry does deal in the use of some specialised materials, and do require ultra clean room conditions, I believe their structure is an order of magnitude simpler than those used in the pharmaceutical. It’s the process that is difficult. I’m just an armchair observer though, and I’m sure something like this has cropped up in some unpublished paper.