4 ms·
Yeah, it’s the solvents used for cleaning the chambers and parts. Very nasty stuff, and it’s probably the biggest concern for this type of facility anywhere, no
by Gracana 8mo ago
Yeah, it’s the solvents used for cleaning the chambers and parts. Very nasty stuff, and it’s probably the biggest concern for this type of facility anywhere, not just in California.
- ErroneousBosh 8mo agoThe stuff my dad used for cleaning down beryllium copper sheets that then had silicon, gold, and nichrome deposited onto them to make tiny medical pressure sensors was generally various stages of xylene, amyl acetate, freon, and - on one notable occasion when a shipment of the sheet stock came heavily contaminated with tractor oil - plain ordinary petrol. This was back in the 80s. You are very much Not Allowed To Do That Now.
- ortusdux 8mo agoI was trying to follow a piece of older equipment's cleaning procedures to the letter, but once I hit "flush with freon" I decided to go off-book.
- ErroneousBosh 8mo agoSome 30-odd years later (more in fact, it's been over 30 years since he died) I can still smell the workshop. That and the lathe oil in the machine shop where they made various mechanical components, too.