Although virtually the entire process takes place in tightly sealed machines and operations are run by computer, so the chips are not exposed to air, there can still be no relaxation in the cleanliness measures of the clean room.
儘管絕大部分的製程都在厚實密閉的機器中進行、在電腦上操做監控，晶片不會暴露在空氣中，不過潔淨室的防塵措施仍是不能鬆懈。