US 7,518,211 B2
Chip and package structure
Jui-Meng Jao, Miaoli County (Taiwan)
Assigned to United Microelectronics Corp., Hsinchu (Taiwan)
Filed on Nov. 11, 2005, as Appl. No. 11/164,135.
Prior Publication US 2007/0108623 A1, May 17, 2007
Int. Cl. H01L 27/082 (2006.01); H01L 29/40 (2006.01)
U.S. Cl. 257—529  [257/773; 257/786; 257/E23.149] 17 Claims
OG exemplary drawing
 
1. A chip comprising:
a substrate having an underlayer and a plurality of pads located on the underlayer;
a passivation layer located on the underlayer, wherein the passivation layer has a plurality of openings and recesses formed therein and the openings expose the pads respectively, and a bottom of the recesses exposing the underlayer and wherein the substrate possesses a fuse region and a non-fuse region and the recesses are located in the non-fuse region.