noun
ultra large-scale integration; ULSI
Technical term in computing and semiconductor engineering; refers to integrated circuits with extremely high transistor density, beyond VLSI.
超々大規模集積回路の設計には高度な技術が必要だ。
Designing ultra large-scale integrated circuits requires advanced technology.
Compound of 超々 (ultra-ultra) + 大規模 (large-scale) + 集積回路 (integrated circuit). A direct calque of the English term 'ultra large-scale integration'.