A circuit board including a flexible insulating substrate, a plurality of conductive wirings placed in line on the flexible insulating substrate, and bumps provided at end portions of the respective conductive wirings positioned in a region for mounting a semiconductor chip is provided. The circuit board...http://www.google.fr/patents/US7439611?utm_source=gb-gplus-shareBrevet US7439611 - Circuit board with auxiliary wiring configuration to suppress breakage during bonding process
Circuit board with auxiliary wiring configuration to suppress breakage ...
