A flip chip package includes a circuit board, a chip and a solder layer. The chip is mounted on an inner bonding area of the circuit board. The solder layer is located between the circuit board and the chip for bonding bumps to inner leads and a T-shaped circuit unit is on the inner bonding area. The T-shaped circuit unit has a main part, a connection part, and a branch part. The connection part is connected to the main and branch parts, respectively. The main part extends along a lateral direction and the branch part extends outwardly along a longitudinal direction. The connection part is narrower than the main part in width so as to inhibit solder shorts caused by solder overflow on the branch part.

Methods of coupling inductors in an IC device using interconnecting elements with solder caps and the resulting device are disclosed. Embodiments include forming a top inductor structure, in a top inductor area on a lower surface of a top substrate, the top inductor structure having first and second top terminals at its opposite ends; forming a bottom inductor structure, in a bottom inductor area on an upper surface of a bottom substrate, the bottom inductor structure having first and second bottom terminals at its opposite ends; forming top interconnecting elements on the lower surface of the top substrate around the top inductor area; forming bottom interconnecting elements on the upper surface of the bottom substrate around the bottom inductor area; forming solder bumps on lower and upper surfaces, respectively, of the top and bottom interconnecting elements; and connecting the top and bottom interconnecting elements to each other.

Methods of coupling inductors in an IC device using interconnecting elements with solder caps and the resulting device are disclosed. Embodiments include forming a top inductor structure, in a top inductor area on a lower surface of a top substrate, the top inductor structure having first and second top terminals at its opposite ends; forming a bottom inductor structure, in a bottom inductor area on an upper surface of a bottom substrate, the bottom inductor structure having first and second bottom terminals at its opposite ends; forming top interconnecting elements on the lower surface of the top substrate around the top inductor area; forming bottom interconnecting elements on the upper surface of the bottom substrate around the bottom inductor area; forming solder bumps on lower and upper surfaces, respectively, of the top and bottom interconnecting elements; and connecting the top and bottom interconnecting elements to each other.

In one example, a semiconductor device can comprise (a) an electronic device comprising a device top side, a device bottom side opposite the device top side, and a device sidewall between the device top side and the device bottom side, (b) a first conductor comprising, a first conductor side section on the device sidewall, a first conductor top section on the device top side and coupled to the first conductor side section, and a first conductor bottom section coupled to the first conductor side section, and (c) a protective material covering the first conductor and the electronic device. A lower surface of the first conductor top section can be higher than the device top side, and an upper surface of the first conductor bottom section can be lower than the device top side. Other examples and related methods are also disclosed herein.

Provided is a packaging method, including: providing a base with a groove in its surface, which includes at least one pad exposed by the groove; providing a chip having a first surface and a second surface opposite to each other, at least one conductive bump being provided on the first surface of the chip; filling a first binder in the groove; applying a second binder on the first surface of the chip and the conductive bump; and installing the chip on the base, the conductive bump passing through the first binder and the second binder to connect with the pad.

Provided is a packaging method, including: providing a base with a groove in its surface, which includes at least one pad exposed by the groove; providing a chip having a first surface and a second surface opposite to each other, at least one conductive bump being provided on the first surface of the chip; filling a first binder in the groove; applying a second binder on the first surface of the chip and the conductive bump; and installing the chip on the base, the conductive bump passing through the first binder and the second binder to connect with the pad.

An electrical connecting structure and a method for manufacturing the same are disclosed. The electrical connecting structure comprises: a first substrate; a second substrate; and an interconnect element disposed between the first substrate and the second substrate, wherein the interconnect element has a width, and no joint surface is present in the interconnect element in a range of 50% or more of the width.

A semiconductor package includes a package substrate, a semiconductor chip, connection pins and a molding member. The package substrate includes wiring patterns provided respectively in insulation layers, and has insertion holes extending from an upper surface of the package substrate in a thickness direction that expose portions of the wiring patterns in different insulation layers. The semiconductor chip is disposed on the package substrate, and has a first surface on which chip pads are formed. The connection pins are provided on the chip pads, respectively, and extend through corresponding ones of the insertion holes and electrically connect to the portions of the wiring patterns, respectively, that are exposed by the insertion holes. The molding member is provided on the package substrate to cover the semiconductor chip.

A method to produce a semiconductor package or system-on-flex package comprising bonding structures for connecting IC/chips to fine pitch circuitry using a solid state diffusion bonding is disclosed. A plurality of traces is formed on a substrate, each respective trace comprising five different conductive materials having different melting points and plastic deformation properties, which are optimized for both diffusion bonding of chips and soldering of passives components.

A bonding device for bonding an electronic element includes an engaging component. The engaging component has a first surface and a second surface opposite to the first surface. The engaging component includes a plurality of recesses at the second surface. The plurality of recesses are configured to cover a plurality of projections of an electronic element. The engaging component is coupled to a heating component.