Who was first?
来源：未知 作者：扶渝瓷 时间：2017-07-09 05:00:25
By Barry Fox A row is brewing over who invented the spherical microchips proposed by Ball Semiconductor (This Week, 25 July, p 7). AAKI Semiconductor of Dallas, Texas, may have filed the first patents on the technology. AAKI’s first application (WO 98/25090) for a patent on its system dates from December 1996. Rivals must now prove they filed earlier. Normal chips are made from flat wafers, which can be ruined by dust. Spherical chips could be rolled through sealed tubes,