U+1F18B "🆋" Negative Squared Ic Unicode Character

U+1F18B "🆋" Negative Squared Ic is a special symbol within the Enclosed Alphanumeric Supplement block, depicting a bold, white uppercase "IC" enclosed within a black square for a negative or inverse appearance. Its primary function is as an ideographic telegraph symbol for the term "IC," which can stand for Integrated Circuit. This character was added to the Unicode Standard in version 5.2, released in 2009, to support specific telecommunication and signage requirements where compact, visually distinct abbreviations are needed.