摘要:
Provided are an image sensor and a method for manufacturing the same. A trench can be formed through metal interconnection layers of the image sensor in a region corresponding to a light receiving device for each unit pixel. A passivation layer pattern can be provided at sidewalls of the trench to inhibit light incident into the metal interconnection layers and reduce cross-talk and noise. A filler material can be provided to fill the trench. A color filter layer and microlens can be formed on the filler material. The filler material can be, for example, a polymer, an oxide layer, or a photoresist.
摘要:
Provided is a method for manufacturing a metal interconnection in a semiconductor device. The semiconductor device fabricated according to one embodiment comprises a copper interconnection having reduced sheet and contact resistance. In the method for manufacturing the copper interconnection, a dielectric comprising a via hole is formed on a semiconductor substrate. A diffusion barrier is deposited in the via hole of the dielectric using a process including a plasma enhanced atomic layer deposition (PEALD) process. A copper metal layer can be formed on the via hole through an electroplating process.
摘要:
A method for fabricating an image sensor. The method may include forming a gate, a photo diode, and a floating diffusion region on a pixel region of a semiconductor substrate; forming an oxide film on the pixel region and on an edge region of the semiconductor substrate; forming a sacrificial oxide layer by etching the oxide film using a first photoresist pattern as a mask; forming a metal layer on the first photoresist pattern, the gate, and the floating diffusion region; forming a salicide layer on the gate and the floating diffusion region; etching a remaining non-salicided portion of the metal layer, the first photoresist pattern, and the sacrificial oxide layer; forming an interlayer insulating film on the semiconductor substrate and planarizing the interlayer insulating film; and forming contact holes and forming an edge open part by etching the interlayer insulating film using a second photoresist pattern as a mask.
摘要:
A semiconductor device and a method for manufacturing the same is provided. The semiconductor device includes a semiconductor substrate having a conductive layer; an interlayer dielectric layer formed on the semiconductor substrate, the interlayer dielectric layer having a hole with a taper angled at the hole's upper portion; a diffusion barrier layer formed on the hole and the interlayer dielectric layer; and a seed layer formed on the diffusion barrier layer.
摘要:
A semiconductor device and a method for manufacturing the same is provided. The semiconductor device includes a semiconductor substrate having a conductive layer; an interlayer dielectric layer formed on the semiconductor substrate, the interlayer dielectric layer having a hole with a taper angled at the hole's upper portion; a diffusion barrier layer formed on the hole and the interlayer dielectric layer; and a seed layer formed on the diffusion barrier layer.
摘要:
A method of forming copper metal lines capable of improving surface coatability without forming overhangs of a diffusion barrier film for preventing diffusion of copper in an upper portion of a hole and preventing formation of a copper void is disclosed. The method includes coating a lower layer on a substrate, coating an interlayer insulating film to cover the lower layer, partially and selectively etching the interlayer insulating film to form a trench and a hole such that the lower layer is partially exposed by the hole, and forming diffusion barrier films for preventing diffusion of copper on the interlayer insulating film having the trench and the hole and on the lower layer partially exposed by the hole, wherein the step of forming diffusion barrier films includes forming a first diffusion barrier film for preventing diffusion of copper which is made of a tungsten nitride film and forming a second diffusion barrier film for preventing diffusion of copper which is made of tungsten. The step of forming a first diffusion barrier film includes a first cycle for exposing the substrate to gaseous WF6 and B2H6 and a second cycle for exposing the substrate to NH3.
摘要:
A method of forming a metal line pattern for a semiconductor device is provided. The method includes forming a preliminary structure on a semiconductor substrate, having a lower barrier metal layer, a metal layer, and an upper barrier and/or passivation layer having a first thickness; removing a top surface of the passivation layer so that the passivation layer has a second thickness; forming a sub-passivation layer on the passivation layer; forming an adhesion promoter and a photoresist pattern on the sub-passivation layer; and forming a metal line pattern by etching the preliminary structure using the photoresist pattern as an etching mask.
摘要:
A method of forming a metal line pattern for a semiconductor device is provided. The method includes forming a preliminary structure on a semiconductor substrate, having a lower barrier metal layer, a metal layer, and an upper barrier and/or passivation layer having a first thickness; removing a top surface of the passivation layer so that the passivation layer has a second thickness; forming a sub-passivation layer on the passivation layer; forming an adhesion promoter and a photoresist pattern on the sub-passivation layer; and forming a metal line pattern by etching the preliminary structure using the photoresist pattern as an etching mask.
摘要:
Provided is a method of manufacturing an image sensor. A microlens of inorganic material can be formed on a substrate by forming a seed microlens having a top surface with height differences, and then blanket etching the seed microlens to form a dome shaped microlens having a curvature following the height differences of the seed microlens. The height differences in the top surface of the seed microlens can be created by implanting nitrogen at different depths into an inorganic layer to form ion implantation regions, and removing the ion implantation regions from the inorganic layer.
摘要:
A semiconductor device and a fabricating method thereof are provided. A PMD layer is formed on a semiconductor substrate, and at least one IMD layer is formed on the PMD layer. A through-electrode penetrates through the semiconductor substrate, the PMD layer, and each IMD layer, and a heat emission wiring is formed on an underside of the semiconductor substrate.