Abstract:
Methods of forming bonded semiconductor structures include providing a substrate structure including a relatively thin layer (102) of material on a thicker substrate body (104), and forming a plurality of through wafer interconnects (112) through the thin layer of material. A first semiconductor structure (132A-132F)may be bonded over the thin layer of material, and at least one conductive feature (134) of the first semiconductor structure may be electrically coupled with at least one of the through wafer interconnects. A transferred layer of material (212) may be provided over the first semiconductor structure on a side thereof opposite the first substrate structure, and at least one of an electrical interconnect (302), an optical interconnect (402), and a fluidic interconnect (504) may be formed in the transferred layer of material. A second semiconductor structure (322,422) may be provided over the transferred layer of material on a side thereof opposite the first semiconductor structure. Bonded semiconductor structures are fabricated using such methods.
Abstract:
L'invention concerne un procédé de fabrication d'au moins un plot d'assemblage (32, 50) sur un support (19, 43) destiné à la mise en oeuvre d'un procédé d'auto-assemblage d'au moins un élément (10) sur le support (19, 43) ainsi qu'un dispositif correpondant. Le procédé de fabrication comprend les étapes successives suivantes : (a) former, sur le support (19, 43), une couche (28, 48) d'au moins un matériau fluoré autour de l'emplacement (30, 44) du plot d'assemblage (32, 50), la couche (28, 48) ayant une épaisseur supérieure à 10 nm; et (b) exposer la couche (28, 48) et l'emplacement (30, 44) à un traitement ultraviolet en présence d'ozone pour former le plot d'assemblage (32, 50) audit emplacement (30, 44), une goutte de liquide (16) ayant un angle de contact statique sur le plot d'assemblage (32, 50) inférieur ou égal à 15°, la goutte de liquide (16) ayant, après l'étape (b), un angle de contact statique sur la couche (28, 48) supérieur ou égal à 100°.
Abstract:
Two microelectronic components (110, 120), e.g. a die and an interposer, are bonded to each other. One of the components' contact pads (110C) include metal, and the other component has silicon (410) which reacts with the metal to form metal silicide (504). Then a hole (510) is made through one of the components to reach the metal silicide and possibly even the unreacted metal (110C) of the other component. The hole is filled with a conductor (130), possibly metal, to provide a conductive via that can be electrically coupled to contact pads (120C.B) attachable to other circuit elements or microelectronic components, e.g. to a printed circuit board.
Abstract:
Methods for bonding substrate surfaces, bonded substrate assemblies, and design structures for a bonded substrate assembly. Device structures (18, 19, 20, 21) of a product chip (25) are formed using a first surface (15) of a device substrate (10). A wiring layer (26) of an interconnect structure for the device structures is formed on the product chip. The wiring layer is planarized. A temporary handle wafer (52) is removably bonded to the planarized wiring layer. In response to removably bonding the temporary handle wafer to the planarized first wiring layer, a second surface (54) of the device substrate, which is opposite to the first surface, is bonded to a final handle substrate (56). The temporary handle wafer is then removed from the assembly.
Abstract:
Methods for bonding substrate surfaces, bonded substrate assemblies, and design structures for a bonded substrate assembly. Device structures (18, 19, 20, 21) of a product chip (25) are formed using a first surface (15) of a device substrate (10). A wiring layer (26) of an interconnect structure for the device structures is formed on the product chip. The wiring layer is planarized. A temporary handle wafer (52) is removably bonded to the planarized wiring layer. In response to removably bonding the temporary handle wafer to the planarized first wiring layer, a second surface (54) of the device substrate, which is opposite to the first surface, is bonded to a final handle substrate (56). The temporary handle wafer is then removed from the assembly.