H01L21/4807

Method for Producing a Metal-Ceramic Substrate with Electrically Conductive Vias
20230095753 · 2023-03-30 ·

A method for producing a metal-ceramic substrate with a plurality of electrically conductive vias includes: attaching a first metal layer in a planar manner to a first surface side of a ceramic layer; after attaching the first metal layer, introducing a copper hydroxide or copper acetate brine into a plurality of holes in the ceramic layer delimiting a via, to form an assembly; converting the copper hydroxide or copper acetate brine into copper oxide; subjecting the assembly to a high-temperature step above 500° C. in which the copper oxide forms a copper body in the plurality of holes; and after converting the copper hydroxide or copper acetate brine into the copper oxide, attaching a second metal layer in a planar manner to a second surface side of the ceramic layer opposite the first surface side. The copper body produces an electrically conductive connection between the first and the second metal layers.

PLANAR SURFACES ON SUBSTRATES
20230102345 · 2023-03-30 ·

An electronic device includes a substrate having a surface, functional metallic traces on a first portion of the surface that are electrically connected to carry current in the electronic device and have a first density, and dummy metallic traces on a second portion of the surface that are electrically isolated from the functional metallic traces and have a second density that is within at least 50% of the first density.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
20230096381 · 2023-03-30 · ·

A semiconductor device includes: an electrically conductive plate; a semiconductor chip on the electrically conductive plate, the semiconductor chip having a front main electrode on a front surface thereof and a back main electrode on a back surface thereof, the back main electrode being bonded to the electrically conductive plate; and a heat radiating member that is bonded to the front main electrode via a conductive adhesive.

POWER MODULE AND METHOD FOR MANUFACTURING SAME
20230075200 · 2023-03-09 · ·

The present invention relates to a power module and a method for manufacturing same, in which an insulating spacer is disposed between two upper and lower substrates to thus efficiently dissipate the heat generated from a semiconductor chip mounted between the substrates, and prevent bending deformation due to heat. In addition, since the spacer made of an insulating material is integrated with the substrates by brazing bonding, the bonding strength is improved, thereby maintaining strong bonding even against vibration, etc.

SEMICONDUCTOR PACKAGE AND METHOD OF FABRICATING THE SAME
20220336336 · 2022-10-20 ·

A semiconductor package includes a first redistribution substrate, a connection substrate on the first redistribution substrate and having a first opening and a second opening that penetrate the connection substrate, a semiconductor chip on the first redistribution substrate and in the first opening of the connection substrate, a chip module on the first redistribution substrate and in the second opening of the connection substrate, and a molding layer that covers the semiconductor chip, the chip module, and the connection substrate. The chip module includes an inner substrate and a first passive device on the inner substrate. In the second opening, the molding layer covers the first passive device on the inner substrate.

Cascode power electronic device packaging method and packaging structure thereof
11476242 · 2022-10-18 · ·

The present invention provides a packaging method and a packaging structure for a cascode power electronic device, in which a hetero-multiple chip scale package is used to replace the traditional die bonding and wire bonding packaging method. The cascode power electronic device can reduce the inductance resistance and thermal resistance of the connecting wires and reduce the size of the package; and increase the switching frequency of power density. The chip scale package of the present invention uses more than one gallium nitride semiconductor die, more than one diode, and more than one metal oxide semiconductor transistor. The package structure can use TO-220, quad flat package or other shapes and sizes; the encapsulation process of the traditional epoxy molding compounds can be used in low-power applications; and the encapsulation process of ceramic material can be used in high-power applications.

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

A semiconductor device includes: an insulated circuit substrate; a power semiconductor element mounted on the insulated circuit substrate; a first terminal having a plate-like shape having a first main surface and electrically connected to the power semiconductor element; a second terminal having a second main surface opposed to the first main surface of the first terminal and electrically connected to the power semiconductor element; an insulating sheet interposed between the first main surface and the second main surface; and a conductive film provided on at least one of the first main surface side and the second main surface side of the insulating sheet.

SEMICONDUCTOR DEVICE PACKAGING WARPAGE CONTROL

A method of manufacturing a carrier for semiconductor device packaging is provided. The method includes forming a carrier having a plurality of plateau regions separated by a plurality of channels. The carrier is configured and arranged to support a plurality of semiconductor die during a packaging operation. The plurality of channels is filled with a material configured to control warpage of the carrier.

Fan-out packages and methods of forming the same

A device may include a first package and a second package where the first package has a warped shape. First connectors attached to a redistribution structure of the first package include a spacer embedded therein. Second connectors attached to the redistribution structure are fee from the spacer, the spacer of the first connectors keeping a minimum distance between the first package and the second package during attaching the first package to the second package.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE

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.