A display panel and method of manufacture are described. In an embodiment, a display substrate includes a pixel area and a non-pixel area. An array of subpixels and corresponding array of bottom electrodes are in the pixel area. An array of micro LED devices are bonded to the array of bottom electrodes. One or more top electrode layers are formed in electrical contact with the array of micro LED devices. In one embodiment a redundant pair of micro LED devices are bonded to the array of bottom electrodes. In one embodiment, the array of micro LED devices are imaged to detect irregularities.

A microelectronic device includes a die with input/output (I/O) terminals, and a dielectric layer on the die. The microelectronic device includes electrically conductive pillars which are electrically coupled to the I/O terminals, and extend through the dielectric layer to an exterior of the microelectronic device. Each pillar includes a column electrically coupled to one of the I/O terminals, and a head contacting the column at an opposite end of the column from the I/O terminal. The head extends laterally past the column in at least one lateral direction. Methods of forming the pillars and the dielectric layer are disclosed.

A method of fabricating a semiconductor chip includes the following steps. A bonding material layer is formed on a first wafer substrate and is patterned to form a first bonding layer having a strength adjustment pattern. A semiconductor component layer and a first interconnect structure layer are formed on a second wafer substrate. The first interconnect structure layer is located. A second bonding layer is formed on the first interconnect structure layer. The second wafer substrate is bonded to the first wafer substrate by contacting the second bonding layer with the first bonding layer. A bonding interface of the second bonding layer and the first bonding layer is smaller than an area of the second bonding layer. A second interconnect structure layer is formed on the semiconductor component layer. A conductor terminal is formed on the second interconnect structure layer.

Die-substrate assemblies having sinter-bonded backside via structures, and methods for fabricating such die-substrate assemblies, are disclosed. In embodiments, the method includes obtaining an integrated circuit (IC) die having a backside over which a backmetal layer is formed and into which a plated backside via extends. The IC die is attached to an electrically-conductive substrate by: (i) applying sinter precursor material over the backmetal layer and into the plated backside via; (ii) positioning a frontside of the electrically-conductive substrate adjacent the plated backmetal layer and in contact with the sinter precursor material; and (iii) sintering the sinter precursor material to yield a sintered bond layer attaching and electrically coupling the IC die to the frontside of the electrically-conductive substrate through the backmetal layer and through the plated backside via. The sintered bond layer contacts and is metallurgically bonded to the backside via lining.

A method of forming a semiconductor structure includes following steps. A first wafer is bonded to a second wafer, in which the first wafer includes a first substrate and a first conductive pad above a first surface of the first substrate, and the second wafer comprises a second substrate and a second conductive pad above a second surface of the second substrate. A mask layer is formed above the first substrate. The mask layer and the first substrate are etched to form a first opening in the first substrate. A sacrificial spacer is formed in the first substrate at a sidewall of the first opening. The first conductive pad is etched to form a second opening communicated to the first opening. A conductive material is filled in the first opening and the second opening to form a conductive structure interconnecting the first and second conductive pads.

Disclosed is a semiconductor package including a first semiconductor chip on a substrate, a second semiconductor chip on the substrate and laterally spaced apart from the first semiconductor chip, a dummy chip on the first semiconductor chip, and a dielectric layer between the first semiconductor chip and the dummy chip. A top surface of the first semiconductor chip may be lower than a top surface of the second semiconductor chip. The dielectric layer may include an inorganic dielectric material.

A method of fabricating a semiconductor chip includes the following steps. A bonding material layer is formed on a first wafer substrate and is patterned to form a first bonding layer having a strength adjustment pattern. A semiconductor component layer and a first interconnect structure layer are formed on a second wafer substrate. The first interconnect structure layer is located. A second bonding layer is formed on the first interconnect structure layer. The second wafer substrate is bonded to the first wafer substrate by contacting the second bonding layer with the first bonding layer. A bonding interface of the second bonding layer and the first bonding layer is smaller than an area of the second bonding layer. A second interconnect structure layer is formed on the semiconductor component layer. A conductor terminal is formed on the second interconnect structure layer.

A semiconductor package includes a lower semiconductor chip having a first surface and a second surface, an upper semiconductor chip on the first surface, a first insulating layer between the first surface and the upper semiconductor chip, a second insulating layer between the first insulating layer and the upper semiconductor chip, and a connection structure penetrating the first insulating layer and the second insulating layer and being connected to the lower semiconductor chip and the upper semiconductor chip. The connection structure includes a first connecting portion and a second connecting portion, which are respectively disposed in the first insulating layer and the second insulating layer. A width of the second connecting portion is greater than a width of the first connecting portion. A thickness of the second connecting portion is greater than a thickness of the first connecting portion.

A microelectronic device comprises a first control logic region comprising first control logic devices and a memory array region vertically overlying the first control logic region. The memory array region comprises capacitors, access devices laterally neighboring and in electrical communication with the capacitors, conductive lines operatively associated with the access devices and extending in a lateral direction, and first conductive pillars operatively associated with the access devices and vertically extending through the memory array region. The microelectronic device further comprises a second control logic region comprising second control logic devices vertically overlying the memory array region. Related microelectronic devices, memory devices, electronic systems, and methods are also described.

A device is disclosed which includes at least one integrated circuit die, at least a portion of which is positioned in a body of encapsulant material, and at least one conductive via extending through the body of encapsulant material.