H01L2224/81395

Packaging structure for bipolar transistor with constricted bumps

A semiconductor module includes a laminated substrate having an insulating plate, a circuit pattern arranged on an upper surface of the insulating plate and a heat dissipating plate arranged on a lower surface of the insulating plate. The semiconductor module also includes a semiconductor device having a collector electrode arranged on its upper surface, having an emitter electrode and a gate electrode arranged on its lower surface, and bumps respectively bonding the emitter electrode and the gate electrode to an upper surface of the circuit pattern. Each of the bumps is made of a metal sintered material such that the bump is formed to be constricted in its middle portion in a thickness direction orthogonal to a surface of the insulating plate.

Wiring substrate, semiconductor package and method of manufacturing wiring substrate

A second wiring layer is connected to a first wiring layer via an insulating layer. The second wiring layer comprises pad structures. Each pad structure includes a first metal layer formed on the insulating layer, a second metal layer formed on the first metal layer, and a third metal layer formed on the second metal layer. The pad structures comprises a first pad structure and a second pad structure. A via-wiring diameter of the first pad structure is different from a via-wiring diameter of the second pad structure. A distance from an upper surface of the insulating layer to an upper surface of the second metal layer of the first pad structure is the same as a distance from the upper surface of the insulating layer to an upper surface of the second metal layer of the second pad structure.

Chiplets with connection posts

A component includes a plurality of electrical connections on a process side opposed to a back side of the component. Each electrical connection includes an electrically conductive multi-layer connection post protruding from the process side. A printed structure includes a destination substrate and one or more components. The destination substrate has two or more electrical contacts and each connection post is in contact with, extends into, or extends through an electrical contact of the destination substrate to electrically connect the electrical contacts to the connection posts. The connection posts or electrical contacts are deformed. Two or more connection posts can be electrically connected to a common electrical contact.

METHODS OF MAKING PRINTED STRUCTURES

An example of a method of making a printed structure comprises providing a destination substrate, contact pads disposed on the destination substrate, and a layer of adhesive disposed on the destination substrate. A stamp with a component adhered to the stamp is provided. The component comprises a stamp side in contact with the stamp and a post side opposite the stamp side, a circuit, and connection posts extending from the post side. Each of the connection posts is electrically connected to the circuit. The component is pressed into contact with the adhesive layer to adhere the component to the destination substrate and to form a printed structure having a volume defined between the component and the destination substrate. The stamp is removed and the printed structure is processed to fill or reduce the volume.

Electronic Package with Components Mounted at Two Sides of a Layer Stack
20230092954 · 2023-03-23 ·

A method includes forming a layer stack with at least one electrically insulating layer structure and at least one patterned electrically conductive layer structure on a temporary carrier, the layer stack includes a lower surface adjoining the temporary carrier and an upper surface opposite to the lower surface; mounting a first component at the upper surface; placing a first frame structure at the upper surface, the first frame structure surrounding at least partially the first component; covering the first component with a first coating material, the first coating material spatially extending at least partially into voids at or within the first frame structure and into voids at or within the layer stack; and removing the temporary carrier. The lower surface of the layer stack is an even surface. The opposite upper surface of the layer stack is an uneven surface. An electronic package can be manufactured with the described method.

Electronic Package with Components Mounted at Two Sides of a Layer Stack
20230092954 · 2023-03-23 ·

A method includes forming a layer stack with at least one electrically insulating layer structure and at least one patterned electrically conductive layer structure on a temporary carrier, the layer stack includes a lower surface adjoining the temporary carrier and an upper surface opposite to the lower surface; mounting a first component at the upper surface; placing a first frame structure at the upper surface, the first frame structure surrounding at least partially the first component; covering the first component with a first coating material, the first coating material spatially extending at least partially into voids at or within the first frame structure and into voids at or within the layer stack; and removing the temporary carrier. The lower surface of the layer stack is an even surface. The opposite upper surface of the layer stack is an uneven surface. An electronic package can be manufactured with the described method.

MANUFACTURING METHOD OF AN ELECTRONIC APPARATUS
20220328448 · 2022-10-13 · ·

A manufacturing method of an electronic apparatus is provided, and the manufacturing method includes following steps. A substrate is provided. A plurality of first bonding pads are formed on the substrate. A plurality of electronic devices are provided, and each of the electronic devices includes at least one second bonding pad. The second bonding pads of the electronic devices corresponding to the first bonding pads are laminated onto the corresponding first bonding pads on the substrate, so as to bond the electronic devices to the substrate. The corresponding first and second bonding pads respectively have bonding surfaces with different surface topographies. The manufacturing method of the electronic apparatus is capable of reducing short circuit during a bonding process or improving a bonding yield.

System and method to enhance reliability in connection with arrangements including circuits

A reliability cover that is disposed over at least one of an integrated circuit package and a Si die of the integrated circuit package is disclosed. The integrated circuit package is mountable to a printed circuit board via a plurality of solder balls. The reliability cover is configured to reduce a difference in a coefficient of thermal expansion between the integrated circuit package and the printed circuit board, and between the Si die and a substrate of the integrated circuit package by a threshold value.

SEMICONDUCTOR DEVICE AND CORRESPONDING METHOD
20170309548 · 2017-10-26 · ·

A semiconductor device includes a leadframe that includes contact pins and a semiconductor die that has protruding connection formations. A flexible support member is disposed between the leadframe and the semiconductor die and supports the semiconductor die. The flexible support member has electrically conductive lines that extend between the leadframe and the semiconductor die. The electrically conductive lines of the flexible support member are electrically coupled with the contact pins of the leadframe and with the connection formations of the semiconductor die.

Printed wiring board
09793200 · 2017-10-17 · ·

A printed wiring board includes a first circuit board having a first surface and a second surface on the opposite side with respect to the first surface, and a second circuit board having a third surface and a fourth surface on the opposite side with respect to the third surface and having a mounting area on the third surface of the second circuit board. The first circuit board is laminated on the third surface of the second circuit board such that the first surface of the first circuit board faces the third surface of the second circuit board, and the first circuit board includes reinforcing material and has an opening portion exposing the mounting area of the second circuit board.