US 7,482,646 B2
Image sensor
Wenyu Gao, Suzhou (China); and Cedric Lee, Hsinchu (Taiwan)
Assigned to Hejian Technology (Suzhou) Co., Ltd., Suzhou (China)
Filed on Oct. 18, 2006, as Appl. No. 11/550,417.
Prior Publication US 2008/0093695 A1, Apr. 24, 2008
Int. Cl. H01L 31/062 (2006.01)
U.S. Cl. 257—292  [257/458] 13 Claims
OG exemplary drawing
 
1. An image sensor, comprising:
a substrate having a plurality of semiconductor devices formed thereon;
an interconnection layer disposed on the substrate; and
a plurality of isolated photo-diodes embedded in the interconnection layer, wherein the isolated photo-diodes are located above the semiconductor devices and electrically connected to the semiconductor devices through the interconnection layer.