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In this research, a new structure and process integration for backside illuminated CMOS image sensor by using thin wafer handling technology is proposed. First of all, the wafer of a 3 Mega pixel CMOS image sensor is temporary bonded to a silicon carrier wafer with thermal plastic material and ZoneBond technology. Then the CMOS wafer is thinned down to less than 5 μm for light detection from the backside...
In this research, a new structure and process integration for backside illuminated CMOS image sensor by using thin wafer handling technology is proposed. First of all, the wafer of a 3 Mega pixel CMOS image sensor is temporary bonded to a silicon carrier wafer with thermal plastic material and ZoneBond technology. Then the CMOS wafer is thinned down to few microns to detect the light from the backside...
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