Abstract:
A microelectronic assembly can include a first microelectronic device and a second microelectronic device. Each microelectronic device has a die structure including at least one semiconductor die and each of the microelectronic devices has a first surface, a second surface remote from the first surface and at least one edge surface extending at angles other than a right angle away from the first and second surfaces. At least one electrically conductive element extends along the first surface onto at least one of the edge surfaces and onto the second surface. At least one conductive element of the first microelectronic device can be conductively bonded to the at least one conductive element of the second microelectronic device to provide an electrically conductive path therebetween.
Abstract:
A method for connecting substrates having electrical conductive elements thereon, comprising: providing at least one spacer between the substrates; applying a conductive material to at least one of the electrical conductive elements; aligning the electrical conductive elements; and, connecting the substrates by urging them together, wherein the at least one spacer prevents lateral spreading of the conductive material on the substrates from bridging a distance between adjacent conductive elements during the connecting.
Abstract:
A stacked microelectronic assembly is provided which includes first and second stacked microelectronic elements. Each of the first and second microelectronic elements can include a conductive layer extending along a face of such microelectronic element. At least one of the first and second microelectronic elements can include a recess extending from the rear surface towards the front surface, and a conductive via extending from the recess through the bond pad and electrically connected to the bond pad, with a conductive layer connected to the via and extending along a rear face of the microelectronic element towards an edge of the microelectronic element. A plurality of leads can extend from the conductive layers of the first and second microelectronic elements and a plurality of terminals of the assembly can be electrically connected with the leads.
Abstract:
A microelectronic unit includes a semiconductor element having a front surface to which a packaging layer is attached, and a rear surface remote from the front surface. The element includes a light detector including a plurality of light detector element arranged in an array disposed adjacent to the front surface and arranged to receive light through the rear surface. The semiconductor element also includes an electrically conductive contact at the front surface connected to the light detector. The conductive contact includes a thin region and a thicker region which is thicker than the thin region. A conductive interconnect extends through the packaging layer to the thin region of the conductive contact, and a portion of the conductive interconnect is exposed at a surface of the microelectronic unit.
Abstract:
A stacked microelectronic assembly is provided which includes first and second stacked microelectronic elements. Each of the first and second microelectronic elements can include a conductive layer extending along a face of such microelectronic element. At least one of the first and second microelectronic elements can include a recess extending from the rear surface towards the front surface, and a conductive via extending from the recess through the bond pad and electrically connected to the bond pad, with a conductive layer connected to the via and extending along a rear face of the microelectronic element towards an edge of the microelectronic element. A plurality of leads can extend from the conductive layers of the first and second microelectronic elements and a plurality of terminals of the assembly can be electrically connected with the leads.
Abstract:
A method of fabricating a plurality of components using wafer-level processing can include bonding first and second wafer-level substrates together to form a substrate assembly, such that first surfaces of the first and second substrates confront one another, the first substrate having first electrically conductive elements exposed at the first surface thereof, forming second electrically conductive elements contacting the first conductive elements, and processing the second substrate into individual substrate elements. The second conductive elements can extend through a thickness of the first substrate and can be exposed at a second surface thereof opposite the first surface. The processing can include trimming material to produce the substrate elements at least some of which have respective different controlled thicknesses between first surfaces adjacent the first substrate and second surfaces opposite therefrom.
Abstract:
A method for connecting substrates having electrical conductive elements thereon, comprising: providing at least one spacer between the substrates; applying a conductive material to at least one of the electrical conductive elements; aligning the electrical conductive elements; and, connecting the substrates by urging them together, wherein the at least one spacer prevents lateral spreading of the conductive material on the substrates from bridging a distance between adjacent conductive elements during the connecting.
Abstract:
The present invention provides optical imaging apparatus comprising solid state sensing elements and optical components operable to be manufactured and assembled at the wafer level.
Abstract:
A microelectronic assembly can include a first microelectronic device and a second microelectronic device. Each microelectronic device has a die structure including at least one semiconductor die and each of the microelectronic devices has a first surface, a second surface remote from the first surface and at least one edge surface extending at angles other than a right angle away from the first and second surfaces. At least one electrically conductive element extends along the first surface onto at least one of the edge surfaces and onto the second surface. At least one conductive element of the first microelectronic device can be conductively bonded to the at least one conductive element of the second microelectronic device to provide an electrically conductive path therebetween.
Abstract:
A microelectronic unit includes a semiconductor element having a front surface to which a packaging layer is attached, and a rear surface remote from the front surface. The element includes a light detector including a plurality of light detector element arranged in an array disposed adjacent to the front surface and arranged to receive light through the rear surface. The semiconductor element also includes an electrically conductive contact at the front surface connected to the light detector. The conductive contact includes a thin region and a thicker region which is thicker than the thin region. A conductive interconnect extends through the packaging layer to the thin region of the conductive contact, and a portion of the conductive interconnect is exposed at a surface of the microelectronic unit.