Abstract:
A method and semiconductor device. In the method, at least one partial via (26) is etched in a stacked structure and a border (32) is formed about the at least one partial via (26). The method further includes performing thick wiring using selective etching while continuing via etching to at least one etch stop layer (22).
Abstract:
A semiconductor structure includes a semiconductor substrate and a dielectric layer disposed over the substrate, the dielectric layer having a first trench. A first metal layer is disposed in the first trench. A first layer of a material having a first dielectric constant is disposed over the dielectric layer, the first layer having a via in registration with the metal disposed in the first trench. A second layer of a material having a second dielectric constant is disposed over the first layer of material, the second layer having a second trench in registration with the via. The first dielectric constant is higher than the second dielectric constant. A second metal layer is disposed in the via and second trench, the second metal layer being in contact with the first metal layer.
Abstract:
There is provided a semiconductor device, comprising a substrate (101) that includes an integrated circuit region (1), first and second interlayer insulation films (108, 111, 112) formed above the substrate, and a reinforcing structure comprising a main-wall part (2) and a sub-wall part (3) which are formed in the first and second interlayer insulation films, wherein the main-wall part surrounds the integrated circuit region in a periphery thereof and the sub-wall part is provided apart from the main-wall part in a corner region of the semiconductor device and is located between the integrated circuit region and the first bend section of the main-wall part. Both the main-wall part and the sub-wall part are formed by metal-filled trenches (131, 132) in the first and second interlayer insulation films.
Abstract:
There is provided a semiconductor device, comprising a substrate (101) that includes an integrated circuit region (1), first and second interlayer insulation films (108, 111, 112) formed above the substrate, and a reinforcing structure comprising a main-wall part (2) and a sub-wall part (3) which are formed in the first and second interlayer insulation films, wherein the main-wall part surrounds the integrated circuit region in a periphery thereof and the sub-wall part is provided apart from the main-wall part in a corner region of the semiconductor device and is located between the integrated circuit region and the first bend section of the main-wall part. Both the main-wall part and the sub-wall part are formed by metal-filled trenches (131, 132) in the first and second interlayer insulation films.
Abstract:
There is provided a semiconductor device, comprising a substrate (101) that includes an integrated circuit region (1), first and second interlayer insulation films (108, 111, 112) formed above the substrate, and a reinforcing structure comprising a main-wall part (2) and a sub-wall part (3) which are formed in the first and second interlayer insulation films, wherein the main-wall part surrounds the integrated circuit region in a periphery thereof and the sub-wall part is provided apart from the main wall part in a corner region of the semiconductor device in a plan view and is located between the integrated circuit region and the first bend section of the main-wall part. Both the main wall part and the sub-wall part are formed by metal-filled trenches (131, 132) in the first and second interlayer insulation films.
Abstract:
The invention concerns a method for forming metallization and contact structures in an integrated circuit. The method involves the steps of etching a trench in the trench dielectric layer of a composite structure containing a semiconductor substrate comprising an active region, a gate structure thereover, and dielectric spacers adjacent to the gate structure, a contact dielectric layer and the trench dielectric layer; etching the contact dielectric layer under conditions which do not damage the gate structure to form a first contact opening that exposes a region of the semiconductor substrate; and depositing a conductive material into the contact opening and the trench.
Abstract:
A method of processing a semiconductor substrate involves etching a SiOF layer with HF or HF + H 2 O. The method can be used to form hollow structures in semiconductor substrates and thus provides a way to make interlayer insulators.
Abstract translation:一种处理半导体衬底的方法包括用HF或HF + H 2 O蚀刻SiOF层。该方法可用于在半导体衬底中形成中空结构,从而提供了制造层间绝缘体的方法。
Abstract:
An interconnect structure having a dielectric layer with low dielectric constant is formed within an integrated circuit. In one embodiment of the invention, portions of a silicon dioxide layer (18) lying adjacent to a conductive interconnect (21) are removed to expose portions of a silicon nitride etch stop layer (16). A dielectric layer (22) having a low dielectric constant is then formed overlying the conductive interconnect (21) and the exposed portions of the silicon nitride etch stop layer (16). A portion of the dielectric layer (22) is then removed to expose the top surface of the conductive interconnect (21) to leave portions of the dielectric layer (22) between adjacent conductive interconnects (21). The resulting interconnect structure has reduced cross-talk between conductive interconnects (21) while avoiding prior art disadvantages of reduced thermal dissipation and increased mechanical stress.