The present invention relates to micro electro-mechanical systems (MEMS) and production methods thereof, and more particularly to vertically integrated MEMS systems. Manufacturing of MEMS and vertically integrated MEMS is facilitated by forming, preferably on a wafer level, plural MEMS on a MEMS lay
The present invention relates to micro electro-mechanical systems (MEMS) and production methods thereof, and more particularly to vertically integrated MEMS systems. Manufacturing of MEMS and vertically integrated MEMS is facilitated by forming, preferably on a wafer level, plural MEMS on a MEMS layer selectively bonded to a substrate, and removing the MEMS layer intact.
대표청구항▼
What is claimed is: 1. A MEMS layer, wherein the MEMS layer prior to fabrication of the MEMS on the layer is selectively bonded to a substrate layer, wherein selective bonding includes at least one region of strong bonding and at least one region of weak bonding at the interface of the MEMS layer a
What is claimed is: 1. A MEMS layer, wherein the MEMS layer prior to fabrication of the MEMS on the layer is selectively bonded to a substrate layer, wherein selective bonding includes at least one region of strong bonding and at least one region of weak bonding at the interface of the MEMS layer and the substrate layer, wherein a plurality of MEMS are formed upon or within the surface of the MEMS layer at the region of weak bonding, and further wherein the MEMS layer is removable from the substrate by debonding primarily at the strong bond region. 2. The MEMS layer as in claim 1, wherein the MEMS layer is selectively bonded to the substrate layer at a periphery of an interface between the MEMS layer and the substrate layer. 3. A vertically integrated MEMS system, comprising a MEMS layer as in claim 1 and an associated control layer. 4. The vertically integrated MEMS system as in claim 3, wherein the associated control layer is selected from the group of control components consisting of logic, memory, thermal control, a similar MEMS as formed upon or within the MEMS layer, a different MEMS as formed upon or within the MEMS layer, or any combination comprising at least one of the foregoing control components. 5. A method of making a MEMS layer comprising: providing a layered structure of including a first layer selectively bonded to a second layer, the selective bonding including one or more regions of weak bonding and one or more regions of strong bonding; and processing at least a portion of a MEMS in or upon the first layer at the region of weak bonding. 6. The method as in claim 5, further comprising debonding the first layer from the second layer, wherein debonding minimally damages the MEMS. 7. A method of making a MEMS device comprising: providing a first layer and a second layer; treating regions of the first layer, the second layer, or both the first layer and the second layer for weak bonding; bonding the first and second layers; and forming one or more MEMS on the first layer at the regions of weak bonding. 8. A method of making a MEMS device comprising: selectively adhering a first layer to a second layer; and forming one or more MEMS on the first layer at the regions of weak bonding. 9. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at an interface between the first layer and the second layer treated with an adhesive material or processing step, and further wherein weak bond regions remain at the interface between the first layer and the second layer that are not treated with an adhesive material or processing step. 10. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at an interface between the first layer and the second layer treated with an adhesive material or processing step, and further wherein weak bond regions remain at the interface between the first layer and the second layer that are treated for a lesser degree of adhesion as compared to the strong bond regions. 11. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having greater porosity than strong bond regions at the interface between the first layer and the second layer. 12. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having a plurality of pillars. 13. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having a porous carbon material. 14. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at an interface between the first layer and the second layer that are irradiated to promote adhesion. 15. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having a porous solid material derived from a slurry comprising the solid material and a decomposable component. 16. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having a void. 17. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having metal, wherein the first layer and the second layer comprise a material selected from the group consisting of semiconductor, insulator, and a combination of semiconductor and insulator. 18. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at an interface between the first layer and the second layer having hydrophilic characteristics. 19. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at an interface between the first layer and the second layer having an adhesive, wherein the interface may be delaminated by light. 20. The method as in claim 8, wherein the selective adhering comprises providing weak bond regions at an interface between the first layer and the second layer having ions or particles implanted at the interface of the first layer and the second layer. 21. The method as in claim 8, wherein the selective adhering includes a bonding technique selected from the group consisting of eutectic, fusion, anodic, vacuum, Van der Waals, chemical adhesion, hydrophobic phenomenon, hydrophilic phenomenon, hydrogen bonding, coulombic forces, capillary forces, very short-ranged forces, or a combination comprising at least one of the foregoing bonding techniques. 22. The method as in claim 8, wherein the selective adhering comprises providing strong bond regions at the periphery of an interface between the first layer and the second. 23. The method as in claim 22, further comprising debonding the first layer from the second layer by selectively scanning the strong bond regions.
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