Embodiments relate to the design of a device capable of maintaining the alignment an interconnect by resisting lateral forces acting on surfaces of the interconnect. The device comprises a first body comprising a first surface with a nanoporous metal structure protruding from the first surface. The device further comprises a second body comprising a second surface with a locking structure to resist a lateral force between the first body and the second body during or after assembly of the first body and the second body.

Embodiments relate to the design of a device capable of maintaining the alignment an interconnect by resisting lateral forces acting on surfaces of the interconnect. The device comprises a first body comprising a first surface with a nanoporous metal structure protruding from the first surface. The device further comprises a second body comprising a second surface with a locking structure to resist a lateral force between the first body and the second body during or after assembly of the first body and the second body.

A semiconductor device includes: a metal sheet; an insulating pattern provided on the metal sheet; a power circuit pattern and a signal circuit pattern that are provided on the insulating pattern; a power semiconductor chip mounted on the power circuit pattern; and a control semiconductor chip that is mounted on the signal circuit pattern and controls the power semiconductor chip. The power semiconductor chip is bonded to the power circuit pattern with a first die bonding material comprised of copper, and the control semiconductor chip is bonded to the signal circuit pattern with a second die bonding material.

A semiconductor device includes: a metal sheet; an insulating pattern provided on the metal sheet; a power circuit pattern and a signal circuit pattern that are provided on the insulating pattern; a power semiconductor chip mounted on the power circuit pattern; and a control semiconductor chip that is mounted on the signal circuit pattern and controls the power semiconductor chip. The power semiconductor chip is bonded to the power circuit pattern with a first die bonding material comprised of copper, and the control semiconductor chip is bonded to the signal circuit pattern with a second die bonding material.

A semiconductor device includes a semiconductor element, which has a protective film having an opening that exposes a part of a source electrode and disposed/provided to position an end portion thereof on the source electrode. A rewiring layer has wiring that is connected to the source electrode and to a conductive connecting member, and an insulator that covers a part of the source wiring. The insulator includes: an insulating film having (a) an opening for exposing a part of the source wiring, and (b) an end portion of the opening provided in a facing region of the opening; and an insulating film having (c) (i) an opening for exposing a part of the source wiring having a solder arranged therein and (ii) a connecting member arranged therein.

A semiconductor device includes a semiconductor element, which has a protective film having an opening that exposes a part of a source electrode and disposed/provided to position an end portion thereof on the source electrode. A rewiring layer has wiring that is connected to the source electrode and to a conductive connecting member, and an insulator that covers a part of the source wiring. The insulator includes: an insulating film having (a) an opening for exposing a part of the source wiring, and (b) an end portion of the opening provided in a facing region of the opening; and an insulating film having (c) (i) an opening for exposing a part of the source wiring having a solder arranged therein and (ii) a connecting member arranged therein.

A semiconductor package includes a multilayer package substrate with a top layer including top filled vias through a top dielectric layer and top metal layer providing a top surface for leads and traces connected to the leads, and a bottom layer including bottom filled vias including contact pads through a bottom dielectric and metal layer. The top filled vias are for connecting the bottom and top metal layer. The bottom metal filled vias are for connecting the bottom metal layer to the contact pads. An integrated circuit (IC) die has nodes in its circuitry connected to the bond pads. The IC die is flipchip mounted onto the leads. A passive device(s) is surface mounted by an electrically conductive material on the top metal layer electrically connected between at least one adjacent pair of the leads. A mold compound is for encapsulating at least the IC die and passive device.

The present disclosure relates to a technology relating to a power semiconductor module of which heat is dissipated through both sides thereof and provides a technology for maintaining a distance between an upper substrate and a lower substrate by a metal bump formed on one side of a power semiconductor die.

An integrated circuit die may be fabricating to have a plurality of contacts. A metal post may be formed on each of the plurality of contacts. A plurality of bumps may be formed on a plurality of contact regions of a leadframe or on the posts, in which the plurality of bumps are formed with a material that includes metal nanoparticles. The IC die may be attached to the leadframe by aligning the metal posts to the leadframe and sintering the metal nanoparticles in the plurality of bumps to form a sintered metal bond between each metal post and corresponding contact region of the leadframe.

A semiconductor device includes an electric conductor, a semiconductor element, and a bonding layer. The electric conductor has a main surface and a rear surface opposite to the main surface in a thickness direction. The semiconductor element includes a main body and electrodes. The main body has a side facing the main surface of the conductor, and the electrodes each protrude toward the main surface from the side of the main body to be electrically connected to the main surface. The bonding layer is held in contact with the main surface and the electrodes. Each electrode includes a base portion in contact with the main body, and a columnar portion protruding toward the main surface from the base portion to be held in contact with the bonding layer, which is a sintered body of a metal powder.