Abstract:
A method of forming at least one Micro-Electro-Mechanical System (MEMS) cavity (60b) includes forming a first sacrificial cavity layer (18) over a wiring layer (14) and substrate (10). The method further includes forming an insulator layer (40) over the first sacrificial cavity layer. The method further includes performing a reverse damascene etchback process on the insulator layer. The method further includes planarizing the insulator layer and the first sacrificial cavity layer. The method further includes venting or stripping of the first sacrificial cavity layer to a planar surface for a first cavity (60b) of the MEMS.
Abstract:
A method of forming at least one Micro-Electro-Mechanical System (MEMS) includes forming a lower wiring layer on a substrate. The method further includes forming a plurality of discrete wires (14) from the lower wiring layer. The method further includes forming an electrode beam (38) over the plurality of discrete wires. The at least one of the forming of the electrode beam and the plurality of discrete wires are formed with a layout which minimizes hillocks and triple points in subsequent silicon deposition (50).
Abstract:
A method of forming at least one Micro-Electro-Mechanical System (MEMS) includes forming a lower wiring layer on a substrate. The method further includes forming a plurality of discrete wires (14) from the lower wiring layer. The method further includes forming an electrode beam (38) over the plurality of discrete wires. The at least one of the forming of the electrode beam and the plurality of discrete wires are formed with a layout which minimizes hillocks and triple points in subsequent silicon deposition (50).
Abstract:
A method of forming at least one Micro-Electro-Mechanical System (MEMS) cavity (60b) includes forming a first sacrificial cavity layer (18) over a wiring layer (14) and substrate (10). The method further includes forming an insulator layer (40) over the first sacrificial cavity layer. The method further includes performing a reverse damascene etchback process on the insulator layer. The method further includes planarizing the insulator layer and the first sacrificial cavity layer. The method further includes venting or stripping of the first sacrificial cavity layer to a planar surface for a first cavity (60b) of the MEMS.
Abstract:
Planar cavity Micro-Electro-Mechanical System (MEMS) structures, methods of manufacture and design structure are provided. The method includes forming at least one Micro-Electro-Mechanical System (MEMS) cavity (60a, 60b) having a planar surface using a reverse damascene process.
Abstract:
Integrated MEMS switches, design structures and methods of fabricating such switches are provided. The method includes forming at least one tab (32a) of sacrificial material (36) on a side of a switching device (34) which is embedded in the sacrificial material. The method further includes stripping the sacrificial material through at least one opening (40) formed on the at least one tab which is on the side of the switching device, and sealing the at least one opening with a capping material (42).
Abstract:
An array of through substrate vias (TSVs) (20) is formed through a semiconductor substrate (12) and a contact- via-level dielectric layer (50) thereupon. A metal-wire-level dielectric layer (60) and a line-level metal wiring structure (80) embedded therein are formed directly on the contact-via-level dielectric layer (50). The line-level metal wiring structure (80) includes cheesing holes that are filled with isolated portions of the metal-wire-level dielectric layer (60). In one embodiment, the entirety of the cheesing holes is located outside the area of the array of the TSVs (20) to maximize the contact area between the TSVs (20) and the line-level metal wiring structure (80). In another embodiment, a set of cheesing holes overlying an entirety of seams (18) in the array of TSVs (20) is formed to prevent trapping of any plating solution in the seams (19)of the TSVs (20) during plating to prevent corrosion of the TSVs (20)at the seams (19).
Abstract:
A through substrate (10) via includes an annular conductor layer at a periphery of a through substrate (10) aperture, and a plug layer (24) surrounded by the annular conductor layer. A method for fabricating the through substrate (10) via includes forming a blind aperture within a substrate (10) and successively forming and subsequently planarizing within the blind aperture a conformal conductor layer (20) that does not fill the aperture and plug layer (24) that does fill the aperture. The backside of the substrate (10) may then be planarized to expose at least the planarized conformal conductor layer. (20)
Abstract:
A compact semiconductor structure including at least one FET located upon and within a surface of a semiconductor substrate (12) in which the at least one FET includes a long channel length and/or a wide channel width (11) and a method of fabricating the same are provided. In some embodiments, the ordered, nanosized pattern is oriented in a direction that is perpendicular to the current flow. In such an embodiment, the FET has a long channel length. In other embodiments, the ordered, nanosized pattern is oriented in a direction that is parallel to that of the current flow. In such an embodiment, the FET has a wide channel width. In yet another embodiment, one ordered, nanosized pattern is oriented in a direction perpendicular to the current flow, while another ordered, nanosized pattern is oriented in a direction parallel to the current flow. In such an embodiment, a FET having a long channel length and wide channel width is provided.
Abstract:
A semiconductor structure and methods for forming the same. A semiconductor fabrication method includes steps of providing a structure. A structure incl udes (a) a dielectric layer, (b) a first electrically conductive region buried in the dielectric layer, wherein the first electrically conductive region comprises a first electrically conductive material, and (c) a second electrically conductive region buried in the dielectric layer, wherein the second electrically conductive region comprises a second electrically conductive material being different from the first electrically conductive material. The method further includes the steps of creating a first hole and a second hole in the dielectric layer resulting in the first and second electrically conductive regions being exposed to a surrounding ambient through the first and second holes, respectively. Then, the method further includes the steps of introducing a basic solvent to bottom walls and side walls of the first and second holes.