H01L2023/4068

SEMICONDUCTOR DEVICE

A semiconductor device includes: a semiconductor element; sealing resin formed into a rectangular shape in a top view to seal the semiconductor element; a first heat radiation plate electrically connected to a first electrode, and protruding from a first side of the sealing resin in a top view; a second heat radiation plate electrically connected to a second electrode, and protruding from a second side facing the first side of the sealing resin in a top view; a first terminal electrically connected to the first electrode, and protruding from a third side intersecting with the first side of the sealing resin in a top view; and a second terminal electrically connected to the second electrode, and protruding from the third side of the sealing resin in a top view, wherein the first heat radiation plate and the second heat radiation plate can be fixed to the heatsink.

Force balanced package mounting

An electronic device is provided that balances the force applied to temperature control elements such that stress within components of the electronic device can be effectively managed. In one example, an electronic device is provided that includes a printed circuit board (PCB), a chip package, a thermal management system, a thermal spreader, and first and second biasing members. The chip package is mounted to the PCB. The thermal management system and spreader are disposed the opposite of the chip package relative to the PCB. The first biasing member is configured to control a first force sandwiching the chip package between the thermal spreader and the PCB. The second biasing member is configured to control a second force applied by the thermal management system against the thermal spreader. The first force can be adjusted separately from the second force so that total forces applied to the chip package and PCB may be effectively balanced.

THERMAL SPREADER FOR THERMAL DISSIPATION IN SPACE AND OTHER APPLICATIONS

An apparatus includes a thermal spreader configured to remove thermal energy from a device to be cooled. The thermal spreader includes a ringframe having an opening, where the opening is configured to provide access to the device through the ringframe. The thermal spreader also includes a pair of thermal straps configured to fit within the opening. The pair of thermal straps is configured to be bonded to the device and to be fastened to the ringframe in order to provide the thermal energy from the device to the ringframe.

HEAT DISSIPATION DEVICE
20230307317 · 2023-09-28 ·

A heat dissipation device includes a main fixed base plate, a main heat pipe set, a lower heat dissipation fin set and an upper heat dissipation module. The main heat pipe set is fixed on the main fixed base plate, and the lower heat dissipation fin set is also fixed on the main fixed base plate, and the main heat pipe set passes through the lower heat dissipation fin set, and is exposed on the lower heat dissipation fin set. In addition, the upper heat dissipation module is detachably installed on the lower heat dissipation fin set and contacts the main heat pipe set.

Lid Allowing for a Thermal Interface Material with Fluidity in a Lidded Flip Chip Package
20230298960 · 2023-09-21 ·

The disclosure describes a lid allowing for a thermal interface material with fluidity, like a liquid metal, in a lidded flip chip package, including: a lid, a sealing ring for forming a sealed gap between a flip chip and the lid, a storage tunnel in the lid for accepting or releasing a liquid from or to the sealed gap, a connecting hole connecting the sealed gap with the storage tunnel, an injection hole with a plug, wherein a plug structure is formed at an outer end of the storage tunnel for opening or closing it, a slippery skin is arranged on an inner surface of the storage tunnel for a better flow of a liquid metal in it, the sealed gap is completely filled with a liquid metal, and a portion of the storage tunnel is filled with the same liquid metal and its remaining portion is filled with a gas.

Lid with Self Sealing Plug Allowing for a Thermal Interface Material with Fluidity in a Lidded Flip Chip Package
20230298965 · 2023-09-21 ·

The disclosure describes a lidded flip chip package allowing for a thermal interface material (TIM) with fluidity, like a liquid metal, including: a lid, a sealing ring for forming a sealed gap between a flip chip and the lid, a storage tunnel as a reservoir for accepting or releasing a liquid metal from or to the sealed gap, and an injection tunnel for filling a liquid metal into the sealed gap, wherein a self-sealing plug structure is integrated with the storage tunnel and the injection tunnel, the sealed gap is completely filled with a liquid metal, and a portion of the storage tunnel is filled with the same liquid metal and its remaining portion is filled with a gas. The disclosure also describes a method for filling a liquid metal into the lidded flip chip package based on the self-sealing plug structure.

Semiconductor device and method of manufacturing semiconductor device

An object of the present invention is to provide a semiconductor device whose surfaces on both sides can be cooled and which has a function of insulating, on both the surfaces, the internal structure of a semiconductor package from the outside. The semiconductor device includes a first semiconductor package and a second semiconductor package. The second semiconductor package is joined on the first semiconductor package in such a manner that a first exposed surface of the first semiconductor package and a fourth exposed surface of the second semiconductor package are connected so as to face each other, and a second exposed surface of the first semiconductor package and a third exposed surface of the second semiconductor package are connected so as to face each other.

ELECTROMAGNETIC SHIELDING OF HEATSINKS WITH SPRING PRESS-FIT PINS

An apparatus for grounding a heatsink utilizing an EMC spring press-fit pin includes a printed circuit board, a logic chip, a heatsink, and a grounding member, where the grounding member includes an integrated spring and a first terminal pin at a first end of the grounding member. The logic chip is electrically coupled to the printed circuit board and the heatsink is disposed on a top surface of the logic chip. The first terminal pin at the first end of the grounding member is disposed in a plated-through hole of the printed circuit, where the grounding member is configured to electrically couple the heatsink to the printed circuit board.

Heat dissipation structure and heat dissipation method
11229114 · 2022-01-18 · ·

This heat dissipation structure includes: a circuit board; an integrated circuit mounted thereon; a first thermal pad disposed on the surface of the integrated circuit; a heat sink having a first surface that applies pressure to the first thermal pad by sandwiching the first thermal pad together with the surface of the integrated circuit and a second surface facing the first surface; a second thermal pad disposed on the second surface; a heat dissipation casing having a surface that applies pressure to the second thermal pad by sandwiching the second thermal pad together with the second surface; and stud components for pulling up the heat sink from the heat dissipation casing side together with the circuit board such that the second thermal pad is sandwiched and pressurized between the heat dissipation casing and the heat sink.

Semiconductor device including heat dissipation structure and fabricating method of the same

A semiconductor device includes a chip package comprising a semiconductor die laterally encapsulated by an insulating encapsulant, the semiconductor die having an active surface, a back surface opposite to the active surface, and a thermal enhancement pattern on the back surface; and a heat dissipation structure connected to the chip package, the heat dissipation structure comprising a heat spreader having a flow channel for a cooling liquid, and the cooling liquid in the flow channel being in contact with the thermal enhancement pattern.