Patent classifications
H01L2224/73269
Method for producing a switching device with a moisture-tight and electrically insulating cover and for producing an arrangement therewith
A method for producing a power electronic switching device comprising a substrate, having a power semiconductor component arranged thereon; a connection device, and terminal devices. The method comprises: Providing the substrate with an insulation ply and conductor tracks electrically insulated from one another, wherein a power semiconductor component is arranged on a conductor track and is cohesively connected thereto; Arranging the connection device embodied as a film stack; Arranging a thin pressure- and temperature-resistant and moisture-blocking insulation layer along a surface contour of the connection device and comprising a covering section and an overlap section, which overlaps the connection device circumferentially and covers the substrate in a circumferential contact region; Cohesively connecting the connection device to the substrate, whereby the connection device connects the switching device in a circuit-conforming manner internally; Connecting the covering section to the connection device; Connecting the overlap section to the contact region.
POWER ELECTRONIC SWITCHING DEVICE, ARRANGEMENT HEREWITH AND METHODS FOR PRODUCING THE SWITCHING DEVICE
A switching device has a substrate and a power semiconductor component, comprising a connection device and a pressure device wherein the substrate has tracks electrically insulated from one another. The power semiconductor component is on one of the tracks with a first main surface and is conductively connected thereto. The device is embodied as a film composite having a conductive film and an insulating film that forms a first and a second main surface. The switching device is connected internally in a circuit-conforming manner by the connection device and a contact area of the connection device is connected to a first contact area of one of the tracks in a force-locking and electrically conductive manner. There is a pressure body projecting to the substrate and pressing onto a first section of the second main surface of the film composite.
Semiconductor Device Packaging Assembly, Lead Frame Strip and Unit Lead Frame with Molding Compound Channels
A semiconductor device packaging assembly includes a lead frame strip having a plurality of unit lead frames. Each of the unit lead frames includes a periphery structure connected to adjacent ones of the unit lead frames, a die paddle inside of the periphery structure, a plurality of leads extending between the periphery structure and the die paddle, and a molding compound channel in the periphery structure configured to guide liquefied molding material onto the periphery structure.
APPARATUS FOR THE MATERIAL-BONDED CONNECTION OF CONNECTION PARTNERS OF A POWER-ELECTRONICS COMPONENT
A pressing ram having an elastic cushion element and intended for the material-bonded press-sintering connection of a first connection partner to a second connection partner of a power-electronics component. The elastic cushion element of the pressing ram is enclosed by a dimensionally stable frame, within which the cushion element and a guide part of the pressing ram are guided for linear movement such that the dimensionally stable frame lowers onto the first connection partner, or a workpiece carrier with the first connection partner arranged therein, and, following abutment against the same, the pressing ram together with the elastic cushion element is lowered onto the second connection partner and the elastic cushion exerts a pressure necessary for connecting the first connection partner to the second connection partner.
Lead frame strip with molding compound channels
A lead frame strip has a plurality of unit lead frames. Each of the unit lead frames has a periphery structure connecting adjacent ones of the unit lead frames, a die paddle inside of the periphery structure, a plurality of leads connected to the periphery structure and extending towards the die paddle, and a molding compound channel in the periphery structure configured to guide liquefied molding material. The lead frame strip is processed by attaching a semiconductor die to each of the die paddles, electrically connecting each of the semiconductor dies to the leads, and forming a liquefied molding compound on each of the unit lead frames. The liquefied molding compound is formed such that the liquefied molding compound encapsulates the semiconductor dies and flows into the molding compound channels thereby forming molding extensions that extend onto the periphery structures.
Semiconductor package including interposer
A semiconductor package includes a base package substrate, a first semiconductor chip, and a second semiconductor chip. The base package substrate includes a redistribution region where a redistribution layer is provided, a plurality of vertical conductive vias connected to the redistribution layer, and a recess region recessed from an upper surface of the redistribution region. The base package substrate further includes an interposer in the recess region, the interposer comprising a substrate, a plurality of upper pads disposed at an upper surface of the substrate, and plurality of through electrodes respectively connected to the plurality of upper pads to pass through the substrate. The first semiconductor chip and second semiconductor chip, each include a plurality of conductive interconnection terminals respectively connected to the plurality of upper pads and the vertical conductive vias exposed at the upper surface of the redistribution region. The first semiconductor chip and the second semiconductor chip are mounted on the extension region and the interposer and disposed horizontally apart from each other. As seen from a plan view, the interposer is disposed to overlap a portion of each of the first semiconductor chip and the second semiconductor chip.
SEMICONDUCTOR PACKAGE
A semiconductor package includes a substrate including bonding pads, semiconductor chips stacked on the substrate and each including a lower surface and an upper surface, and connection pads on the upper surface, connection films spaced apart from each other in a first direction, the connection films electrically connecting the connection pads and corresponding ones of the bonding pads to each other in a second direction intersecting the first direction, a mold covering the semiconductor chips and the connection films, and connection bumps being under the substrate, the connection bumps electrically connected to the bonding pads. Each of the connection films includes a flexible film covering at least two connection pads adjacent to each other in the first direction, among the connection pads, and conductive lines extending in the second direction on the flexible film, the conductive lines respectively connected to the at least two connection pads.