Hackaday (unofficial) February 27, 2024 4:00pm Big Chemistry: Hydrofluoric Acid #engineering #featured #interest #news #originalart #acid #ahf #apatite #bigchemistry #etchant #fluorine #fluorspar #hfa #hydrogenfluoride #sulfuric #hackaday posted by pod_feeder_v2 Big Chemistry: Hydrofluoric Acid For all of the semiconductor industry’s legendary reputation for cleanliness, the actual processes that go into making chips use some of the nastiest stuff imaginable. Silicon oxide is nothin…