A chip assembly having a carrier having a cavity and at least one carrier contact, a chip arranged in the cavity and having at least one chip contact, and a wirebond wire, which electrically conductively connects the at least one chip contact to the at least one carrier contact, wherein the wirebond wire is flat-pressed in at least one subregion.

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.

A method of improving electrical interconnections between two electrical elements is made available by providing a meta-material overlay in conjunction with the electrical interconnection. The meta-material overlay is designed to make the electrical signal propagating via the electrical interconnection to act as though the permittivity and permeability of the dielectric medium within which the electrical interconnection is formed are different than the real component permittivity and permeability of the dielectric medium surrounding the electrical interconnection. In some instances the permittivity and permeability resulting from the meta-material cause the signal to propagate as if the permittivity and permeability have negative values. Accordingly the method provides for electrical interconnections possessing enhanced control and stability of impedance, reduced noise, and reduced loss. Alternative embodiments of the meta-material overlay provide, the enhancements for conventional discrete wire bonds while also facilitating single integrated designs compatible with tape implementation.

A method of manufacturing a light emitting device includes: providing a substantially flat plate-shaped base member which in plan view includes at least one first portion having an upper surface, and a second portion surrounding the at least one first portion and having inner lateral surfaces; mounting at least one light emitting element on the at least one first portion; shifting a relative positional relationship between the at least one first portion and the second portion in an upper-lower direction to form at least one recess defined by an upper surface of the at least one first portion that serves as a bottom surface of the at least one recess and at least portions of the inner lateral surfaces of the second portion that serve as lateral surfaces of the at least one recess; and bonding the at least one first portion and the second portion with each other.

A method of manufacturing a light emitting device includes: providing a substantially flat plate-shaped base member which in plan view includes at least one first portion having an upper surface, and a second portion surrounding the at least one first portion and having inner lateral surfaces; mounting at least one light emitting element on the at least one first portion; shifting a relative positional relationship between the at least one first portion and the second portion in an upper-lower direction to form at least one recess defined by an upper surface of the at least one first portion that serves as a bottom surface of the at least one recess and at least portions of the inner lateral surfaces of the second portion that serve as lateral surfaces of the at least one recess; and bonding the at least one first portion and the second portion with each other.

A method of improving electrical interconnections between two electrical elements is made available by providing a meta-material overlay in conjunction with the electrical interconnection. The meta-material overlay is designed to make the electrical signal propagating via the electrical interconnection to act as though the permittivity and permeability of the dielectric medium within which the electrical interconnection is formed are different than the real component permittivity and permeability of the dielectric medium surrounding the electrical interconnection. In some instances the permittivity and permeability resulting from the meta-material cause the signal to propagate as if the permittivity and permeability have negative values. Accordingly the method provides for electrical interconnections possessing enhanced control and stability of impedance, reduced noise, and reduced loss. Alternative embodiments of the meta-material overlay provide, the enhancements for conventional discrete wire bonds whilst also facilitating single integrated designs compatible with tape implementation.

An electronic device made from the method of providing a donor substrate comprising an array of metallic interconnects, using a laser system to prepare the metallic interconnects, forming shaped metallic interconnects, laser bending the shaped metallic interconnects; and transferring the shaped metallic interconnects onto a receiving substrate or device.

Provided is a semiconductor device enabling highly accurate adjustment of a mounting height at a time when the semiconductor device is mounted on an assembly board, and an electronic apparatus. A linear lead is extracted from a bottom surface of a cylindrical resin sealing body covering a semiconductor chip, and a plurality of helical leads are arranged so as to wind around the linear lead, to thereby form a multi-helical structure. The plurality of helical leads forming the multi-helical structure has the same pitch.

Aspects of the disclosure provide a chip package that includes a first die and a second die. The first die has a processing circuit and a first interface circuit. The second die is disposed in a proximity to the first die and coupled to the first die. The second die includes internal functional circuits, two or more second interface circuits with an identical configuration, and a switch circuit. A specific second interface circuit is electrically connected to the first interface circuit via wires. The switch circuit is configured to select the specific second interface circuit from the two or more second interface circuits, and couple the specific second interface circuit to the internal functional circuits on the second die.

[Problem] To provide an electrode connection structure and the like in which a plurality of elongated leads are arranged in parallel and a longitudinal side surface of each lead is connected to an electrode by plating treatment with high quality.

[Solution] An electrode connection structure in which a semiconductor chip 12 electrode and/or a substrate electrode is connected to a plurality of elongated leads 11 of a lead frame 10 by plating. The plurality of elongated leads 11 of the lead frame 10 are arranged in parallel, and a longitudinal side surface of each lead 11 is connected to the semiconductor chip 12 electrode and/or the substrate electrode by plating. At a connection portion of a first connection surface 13 of the semiconductor chip 12 electrode and/or the substrate electrode, the first connection surface 13 being connected to the leads 11, and a second connection surface 14 in the longitudinal side surface of each lead 11, the second connection surface 14 being connected to the first connection surface 13, a distance between the first connection surface 13 and the second connection surface 14 continuously increases from an edge portion 15 of the second connection surface 14, the edge portion 15 being in contact with the first connection surface 13, toward an outer portion 16 of the second connection surface 14.