Patent ID: 7625775
Filing Date: 2009-12-01
Classification: H01L

Abstract:
1. A method for manufacturing a multiple function thin-film resistor-capacitor array, the thin-film resistor-capacitor array being used for voltage regulation and filtering for an optical fiber receiving module and used as an optical substrate, the optical fiber receiving module comprising a base, a photodiode and a transimpedance amplifier (TIA), the method comprising the steps of: a). providing a silicon substrate; b). forming a dielectric thin film on the silicon substrate; c). forming a metal array layer with resistors of different resistances and capacitors with different capacitances on the dielectric thin film by photolithography and photo mask, and circuit connection therebetween; d). grinding the silicon substrate to a desired thickness for an optical plane; e). die bonding a photodiode to the thin-film resistor-capacitor array with the desired optical plane for the photodiode; and f). finishing the manufacture of the thin-film resistor-capacitor array, where resistors of different resistances and capacitors of different capacitances or the combination thereof are formed.