Patent classifications
H01L2224/48482
Wire bonding for semiconductor devices
A semiconductor device includes an integrated circuit die having bond pads and a bond wires. The bond wires are connected to respective ones of the bond pads by a ball bond. An area of contact between the ball bond and the bond pad has a predetermined shape that is non-circular and includes at least one axis of symmetry. A ratio of the ball bond length to the ball bond width may be equal to a ratio of the bond pad length to the bond pad width.
Surface finish for wirebonding
The present disclosure provides embodiments of package devices and methods for making package devices for a semiconductor die. One embodiment includes a die mounting structure having a finished bond pad that includes a copper bond pad and a cobalt-containing layer over a top surface of the copper bond pad, and a wire bond structure that is bonded to a top surface of the cobalt-containing layer of the finished bond pad, where cobalt-containing material of the cobalt-containing layer is located between a bottom surface of the wire bond structure and the top surface of the copper bond pad such that the cobalt-containing material is present under a center portion of the wire bond structure.
METHOD OF MANUFACTURING MULTI-CHIP PACKAGE
A multi-chip package includes a package substrate including a first substrate pad, a first group of semiconductor chips stacked on the package substrate, each of the first group of the semiconductor chips including bonding pads, first stud bumps arranged on the bonding pads of the first group of the semiconductor chips except for a lowermost semiconductor chip in the first group, a first conductive wire downwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and connected to the first substrate pad, and a second conductive wire upwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and sequentially connected to the first stud bumps.
Method for remapping a packaged extracted die
A method for remapping an extracted die is provided. The method includes one or more of removing an extracted die from a previous integrated circuit package, the extracted die including a plurality of original bond pads having locations that do not correspond to desired pin assignments of a new package base and bonding an interposer to the extracted die. The interposer includes first bond pads configured to receive new bond wires from the plurality of original bond pads and second bond pads corresponding to desired pin assignments of the new package base, each individually electrically coupled to one of the first bond pads and configured to receive new bond wires from package leads or downbonds of the new package base.
Multi-chip package and method of manufacturing the same
A multi-chip package includes a package substrate including a first substrate pad, a first group of semiconductor chips stacked on the package substrate, each of the first group of the semiconductor chips including bonding pads, first stud bumps arranged on the bonding pads of the first group of the semiconductor chips except for a lowermost semiconductor chip in the first group, a first conductive wire downwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and connected to the first substrate pad, and a second conductive wire upwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and sequentially connected to the first stud bumps.
Remapped packaged extracted die
A remapped extracted die is provided. The remapped extracted die includes an extracted die removed from a previous integrated circuit package. The extracted die includes a plurality of original bond pads having locations that do not correspond to desired pin assignments of a new package base and an interposer, bonded to the extracted die. The interposer includes first bond pads configured to receive new bond wires from the plurality of original bond pads, and second bond pads corresponding to desired pin assignments of the new package base, each individually electrically coupled to one of the first bond pads and configured to receive new bond wires from package leads or downbonds of the new package base.
SEMICONDUCTOR DEVICE
A semiconductor device includes a semiconductor element and a terminal substrate. The semiconductor element has a main electrode and a control electrode on a first main surface. The terminal substrate has a bonding terminal to which a wire is to be bonded on a front surface and a relay terminal on a back surface. The bonding terminal and the relay terminal are electrically connected to each other. The bonding terminal has an area larger than an area of the control electrode. The terminal substrate is bonded to the semiconductor element so that the relay terminal and the control electrode are in contact with each other. The terminal substrate has a step on the back surface, and a side surface of the semiconductor element is in contact with the step.
MULTI-CHIP PACKAGE AND METHOD OF MANUFACTURING THE SAME
A multi-chip package includes a package substrate including a first substrate pad, a first group of semiconductor chips stacked on the package substrate, each of the first group of the semiconductor chips including bonding pads, first stud bumps arranged on the bonding pads of the first group of the semiconductor chips except for a lowermost semiconductor chip in the first group, a first conductive wire downwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and connected to the first substrate pad, and a second conductive wire upwardly extended from the bonding pad of the lowermost semiconductor chip in the first group and sequentially connected to the first stud bumps.
Semiconductor package including stacked semiconductor chips
A semiconductor package may include: a base layer; first to Nth semiconductor chips (N is a natural number of 2 or more) sequentially offset stacked over the base layer so that a chip pad portion of one side edge region is exposed, wherein the chip pad portion includes a chip pad and includes a redistribution pad that partially contacts the chip pad and extends away from the chip pad; and a bonding wire connecting the chip pad of a kth semiconductor chip among the first to Nth semiconductor chips to the redistribution pad of a k1th semiconductor chip or a k+1th semiconductor chip when k is a natural number greater than 1 and the bonding wire connecting the chip pad of the kth semiconductor chip to a pad of the base layer or the redistribution pad of the k+1th semiconductor chip when k is 1.
Method for Remapping a Packaged Extracted Die
A method for remapping an extracted die is provided. The method includes one or more of removing an extracted die from a previous integrated circuit package, the extracted die including a plurality of original bond pads having locations that do not correspond to desired pin assignments of a new package base and bonding an interposer to the extracted die. The interposer includes first bond pads configured to receive new bond wires from the plurality of original bond pads and second bond pads corresponding to desired pin assignments of the new package base, each individually electrically coupled to one of the first bond pads and configured to receive new bond wires from package leads or downbonds of the new package base.