H01L25/0657

HIGH-YIELDING AND ULTRAFINE PITCH PACKAGES FOR LARGE-SCALE IC OR ADVANCED IC
20230238345 · 2023-07-27 ·

This invention provides a high-yielding and high-density/ultra-fine pitch package for ultra-large-scale ICs and advanced ICs. The package includes a substrate and a semiconductor chip. The substrate has a passivation layer covering a first surface of the substrate, wherein a plurality of holes are formed in the passivation layer, and a plurality of solder balls respectively accommodated in the plurality of holes. The semiconductor chip has a first plurality of pads, wherein a plurality of copper pillar micro-bumps respectively extend from the first plurality of pads, and the plurality of copper pillar micro-bumps are respectively connected to the plurality of solder balls.

SRAM BIT CELLS WITH THREE-DIMENSIONAL INTEGRATION
20230238342 · 2023-07-27 ·

Structures for a static random access memory bit cell and methods of forming a structure for a static random access memory bit cell. The structure includes a first field-effect transistor on a first substrate and a second field-effect transistor on a second substrate. The first field-effect transistor includes a first gate, and the second field-effect transistor includes a second gate. The structure further includes a first interconnect structure on the first substrate and a second interconnect structure on the second substrate. The first interconnect structure includes a first metal feature connected to the first gate, and the first metal feature has a first surface. The second interconnect structure includes a second metal feature connected to the second gate, and the second metal feature has a second surface that is connected to the first surface of the first metal feature.

SEMICONDUCTOR MEMORY DEVICE AND MEMORY SYSTEM INCLUDING THE SAME
20230021622 · 2023-01-26 ·

A semiconductor memory device includes a memory cell array including a plurality of memory cell rows, a row hammer management circuit and a refresh control circuit. The row hammer management circuit counts the number of times of access associated with each of the plurality of memory cell rows in response to an active command from an external memory controller to store the counted values in each of the plurality of memory cell rows as count data, determines a hammer address associated with at least one of the plurality of memory cell rows, which is intensively accessed more than a predetermined reference number of times, based on the counted values, and performs an internal read-update-write operation. The refresh control circuit receives the hammer address and to perform a hammer refresh operation on victim memory cell rows which are physically adjacent to a memory cell row corresponding to the hammer address.

PACKAGE STRUCTURE, PACKAGING METHOD AND SEMICONDUCTOR DEVICE
20230028628 · 2023-01-26 ·

A package structure, a packaging method and a semiconductor device are provided. The method includes: providing a semiconductor functional structure, an interconnecting layer disposed on a surface of the semiconductor functional structure; forming an isolation layer exposing part of the interconnecting layer, the exposed part of the interconnecting layer acting as a first pad, and the first pad used for performing a first type test; after completing the first type test, forming a redistribution layer on the first pad and the isolation layer, the redistribution layer and the interconnecting layer electrically connected; and forming a first insulating layer exposing parts of the redistribution layer, the exposed parts of the redistribution layer acting as a second pad and a third pad, the second pad used for performing a second type test, and the third pad used for executing a functional interaction corresponding to contents of the second type test.

ATOMIC LAYER DEPOSITION BONDING LAYER FOR JOINING TWO SEMICONDUCTOR DEVICES
20230026052 · 2023-01-26 ·

A method may include forming a first atomic layer deposition (ALD) bonding layer on a surface of a first semiconductor device, and forming a second ALD bonding layer on a surface of a second semiconductor device. The method may include joining the first semiconductor device and the second semiconductor device via the first ALD bonding layer and the second ALD bonding layer. The method may include performing an annealing operation to fuse the first ALD bonding layer and the second ALD bonding layer and form a single ALD bonding layer that bonds the first semiconductor device with the second semiconductor device.

BONDING STRUCTURES AND METHODS FOR FORMING THE SAME
20230027664 · 2023-01-26 ·

A bonding structure is provided, including a first substrate; a second substrate disposed opposite the first substrate; a first bonding layer disposed on the first substrate; a second bonding layer disposed on the second substrate and opposite the first bonding layer; and a silver feature disposed between the first bonding layer and the second bonding layer. The silver feature includes a silver nano-twinned structure including parallel twin boundaries. The silver nano-twinned structure includes 90% or more [111] crystal orientation. A method for forming a bonding structure is also provided. Each of steps of forming a first silver feature and second silver feature includes sputtering or evaporation coating. Negative bias ion bombardment is applied to the first silver feature and second silver feature during sputtering or evaporation.

Precision thin electronics handling integration

One or more die stacks are disposed on a redistribution layer (RDL) to make an electronic package. The die stacks include a die and one or more Through Silicon Via (TSV) dies. Other components and/or layers, e.g. interposes layers, can be included in the structure. An epoxy layer disposed on the RDL top surface and surrounds and attached to all the TSV die sides and all the die sides. Testing circuitry is located in various locations in some embodiments. Locations including in the handler, die, TSV dies, interposes, etc. Testing methods are disclosed, Methods of making including “die first” and “die last” methods are also disclosed. Methods of making heterogenous integrated structure and the resulting structures are also disclosed, particularly for large scale, e.g. wafer and panel size, applications.

Substrate-free semiconductor device assemblies with multiple semiconductor devices and methods for making the same
11710702 · 2023-07-25 · ·

A semiconductor device assembly includes a first remote distribution layer (RDL), the first RDL comprising a lower outermost planar surface of the semiconductor device assembly; a first semiconductor die directly coupled to an upper surface of the first RDL by a first plurality of interconnects; a second RDL, the second RDL comprising an upper outermost planar surface of the semiconductor device assembly opposite the lower outermost planar surface; a second semiconductor die directly coupled to a lower surface of the second RDL by a second plurality of interconnects; an encapsulant material disposed between the first RDL and the second RDL and at least partially encapsulating the first and second semiconductor dies; and a third plurality of interconnects extending fully between and directly coupling the upper surface of the first RDL and the lower surface of the second RDL.

SEMICONDUCTOR STRUCTURE

A semiconductor structure, including a substrate and multiple chips, is provided. The chips are stacked on the substrate. Each of the chips has a first side and a second side opposite to each other. Each of the chips includes a transistor adjacent to the first side and a storage node adjacent to the second side. Two adjacent chips are bonded to each other. The transistor of one of the two adjacent chips is electrically connected to the storage node of the other one of the two adjacent chips to form a memory cell.

SEMICONDUCTOR DEVICE PACKAGING EXTENDABLE LEAD AND METHOD THEREFOR
20230027248 · 2023-01-26 ·

A method of manufacturing a semiconductor device is provided. The method includes attaching a first end of a first bond wire to a first conductive lead and a second end of the first bond wire to a first bond pad of a first semiconductor die. A conductive lead extender is affixed to the first conductive lead by way of a conductive adhesive, the lead extender overlapping the first end of the first bond wire. A first end of a second bond wire is attached to the lead extender, the first end of the second bond wire conductively connected to the first end of the first bond wire.