A low-profile packaging structure for a microelectromechanical-system (MEMS) resonator system includes an electrical lead having internal and external electrical contact surfaces at respective first and second heights within a cross-sectional profile of the packaging structure and a die-mounting surface at an intermediate height between the first and second heights. A resonator-control chip is mounted to the die-mounting surface of the electrical lead such that at least a portion of the resonator-control chip is disposed between the first and second heights and wire-bonded to the internal electrical contact surface of the electrical lead. A MEMS resonator chip is mounted to the resonator-control chip in a stacked die configuration and the MEMS resonator chip, resonator-control chip and internal electrical contact and die-mounting surfaces of the electrical lead are enclosed within a package enclosure that exposes the external electrical contact surface of the electrical lead at an external surface of the packaging structure.

An apparatus for cooling electronic circuitry components and photonic components. In examples of the disclosure at least one photonic component is positioned overlaying at least one electronic circuitry component. In examples of the disclosure there is also provided a spacer for spacing the at least one electronic circuitry component and the at least one photonic component, wherein the spacer for spacing are thermally insulating. In examples of the disclosure there is also provided a first heat transfer configured to remove heat from the at least one electronic circuitry component, and a second heat transfer configured to remove heat from the at least one photonic component.

An apparatus includes at least one heat pipe that is adapted to be thermally coupled to an integrated circuit and has an evaporator portion and a first condenser portion, wherein the first condenser portion extends away from the evaporator portion; a first plurality of cooling fins that is attached to the first condenser portion; a first movable support that is thermally coupled to the first condenser portion and is configured to move a second plurality of cooling fins relative to the first plurality of cooling fins; and the second plurality of cooling fins, which is attached to the first movable support.

A power device for surface mounting has a leadframe including a die-attach support and at least one first lead and one second lead. A die, of semiconductor material, is bonded to the die-attach support, and a package, of insulating material and parallelepipedal shape, surrounds the die and at least in part the die-attach support and has a package height. The first and second leads have outer portions extending outside the package, from two opposite lateral surfaces of the package. The outer portions of the leads have lead heights greater than the package height, extend throughout the height of the package, and have respective portions projecting from the first base.

A semiconductor package includes a semiconductor die with an active surface and an inactive surface, the active surface including metal pillars providing electrical connections to functional circuitry of the semiconductor die, and a backside metal layer on the inactive surface. The backside metal layer is attached to the inactive surface. The semiconductor package further includes a plurality of leads with each of the leads including an internal leadfinger portion and an exposed portion that includes a bonding portion. Distal ends of the metal pillars are in contact with and electrically coupled to the internal leadfinger portions. The backside metal layer is exposed on an outer surface of the semiconductor package. The bonding portions and the backside metal layer approximately planar to each other.

In one example, a semiconductor device, includes a substrate having a substrate top side, a substrate bottom side, a substrate dielectric structure, and a substrate conductive structure. The substrate conductive structure includes a transceiver pattern proximate to a substrate top side. An antenna structure includes an antenna dielectric structure coupled to the substrate top side, an antenna conductive structure having an antenna element, and a cavity below the antenna element. The antenna element overlies the transceiver pattern. The cavity includes a cavity ceiling, a cavity base, and a cavity sidewall between the cavity ceiling and the cavity base. Either a bottom surface of the antenna element defines the cavity ceiling and a perimeter portion of the antenna element is fixed to the antenna dielectric structure, or the antenna dielectric structure includes a body portion having a bottom surface that defines the cavity ceiling and the antenna element is vertically spaced apart from the bottom surface of the body portion. An semiconductor component is coupled to a bottom side of the substrate and is coupled to the transceiver pattern. Other examples and related methods are also disclosed herein.

A semiconductor package includes a first set of leads, a temperature sensor proximate the first set of leads, a second set of leads, a semiconductor die, a first electrical connection between the temperature sensor and the semiconductor die, a second electrical connection between the semiconductor die and the second set of leads, and mold compound at least partially covering the temperature sensor, the semiconductor die, the first set of leads and the second set of leads. The mold compound physically separates the semiconductor die from the temperature sensor and the first set of leads.

A semiconductor package includes a first set of leads, a temperature sensor proximate the first set of leads, a second set of leads, a semiconductor die, a first electrical connection between the temperature sensor and the semiconductor die, a second electrical connection between the semiconductor die and the second set of leads, and mold compound at least partially covering the temperature sensor, the semiconductor die, the first set of leads and the second set of leads. The mold compound physically separates the semiconductor die from the temperature sensor and the first set of leads.

A semiconductor device package and a method for manufacturing the same is provided. The semiconductor device package includes a semiconductor die having an electronic component integrated thereon and having a die terminal that is electrically connected to the electronic component, a stress relief substrate fixedly and electrically connected to the die terminal, and a clip lead. The substrate is configured to provide an electrical short between the clip lead and the die terminal. The stress relief substrate may form an interface between the clip lead and the semiconductor die and can thereby reduce stress exerted on the semiconductor die by the clip lead.

A semiconductor device package and a method for manufacturing the same is provided. The semiconductor device package includes a semiconductor die having an electronic component integrated thereon and having a die terminal that is electrically connected to the electronic component, a stress relief substrate fixedly and electrically connected to the die terminal, and a clip lead. The substrate is configured to provide an electrical short between the clip lead and the die terminal. The stress relief substrate may form an interface between the clip lead and the semiconductor die and can thereby reduce stress exerted on the semiconductor die by the clip lead.