Flip-Chip modules were used in the
DEC PDP-7 (referred to in documentation as the "FLIP CHIP"),
PDP-8,
PDP-9 and
PDP-10, beginning on August 24, 1964. The trademark "Flip-Chip"' was filed on August 27, 1964. Various manuals produced by DEC refer to the modules as "FLIP CHIP", "FLIP-CHIP", "Flip Chip", and "Flip-Chip", with trademark and registered trademark symbols.