H01L2224/2711

Connection structure
11133279 · 2021-09-28 · ·

A method for manufacturing connection structure, the method includes arranging conductive particles and a first composite on a first electrode located on a first surface of a first member, arranging a second composite on the first electrode and a region other than the first electrode of the first surface, arranging the first surface and a second surface of a second member where a second electrode is located, so that the first electrode and the second electrode are opposed to each other, pressing the first member and the second member, and curing the first composite and the second composite.

SEMICONDUCTOR DEVICE

A semiconductor device includes a semiconductor chip made of a SiC substrate and having main electrodes on one surface and a rear surface, first and second heat sinks, respectively, disposed adjacent to the one surface and the rear surface, a terminal member interposed between the second heat sink and the semiconductor chip, and a plurality of bonding members disposed between the main electrodes, the first and second heat sinks, and the terminal member. The terminal member includes plural types of metal layers symmetrically layered in the plate thickness direction. The terminal member as a whole has a coefficient of linear expansion at least in a direction orthogonal to the plate thickness direction in a range larger than that of the semiconductor chip and smaller than that of the second heat sink.

METHOD OF APPLYING CONDUCTIVE ADHESIVE AND MANUFACTURING DEVICE USING THE SAME
20210280436 · 2021-09-09 ·

An applying method includes the following steps. Firstly, a conductive adhesive including a plurality of conductive particles and an insulating binder is provided. Then, a carrier plate is provided. Then, a patterned adhesive is formed on the carrier plate by the conductive adhesive, wherein the patterned adhesive includes a first transferring portion. Then, a manufacturing device including a needle is provided. Then, the needle of the manufacturing device is moved to contact the first transferring portion. Then, the transferring portion is transferred to a board by the manufacturing device.

System and Method for Extreme Performance Die Attach

A method for fabricating semiconductor die with die-attach preforms is disclosed. In embodiments, the method includes: applying an uncured die-attach paste material to a surface of a forming substrate to form one or more die-attach preforms, the surface of the forming substrate formed from a hydrophobic material; curing the one or more die-attach preforms; performing one or more planarization processes on the one or more die-attach preforms; coupling a first surface of a semiconductor die to a handling tool; and bonding a second surface of the semiconductor die to at least one die-attach preform of the one or more die-attach preforms.

Method of applying conductive adhesive and manufacturing device using the same
11018028 · 2021-05-25 · ·

An applying method includes the following steps. Firstly, a conductive adhesive including a plurality of conductive particles and an insulating binder is provided. Then, a carrier plate is provided. Then, a patterned adhesive is formed on the carrier plate by the conductive adhesive, wherein the patterned adhesive includes a first transferring portion. Then, a manufacturing device including a needle is provided. Then, the needle of the manufacturing device is moved to contact the first transferring portion. Then, the transferring portion is transferred to a board by the manufacturing device.

ADHESIVE ATTACHING APPARATUS, METHOD OF MANUFACTURING DISPLAY DEVICE USING THE SAME, AND DISPLAY DEVICE MANUFACTURED BY THE SAME

A method of manufacturing a display device, includes: providing an adhesive tape including: an adhesive conductive layer on a base film, a cutting width corresponding to a width of an adhesive tape attaching area of a substrate and provided in plurality including cutting widths adjacent to each other along the base film, and an interval between the cutting widths adjacent to each other; within the interval, providing a plurality of half-cuts in the adhesive tape, to provide a multi-cut adhesive tape; and pressing the multi-cut adhesive tape to the substrate, at a first portion of the multi-cut adhesive tape which corresponds to the cutting width, to separate the first portion of the multi-cut adhesive tape from the base film and attach the first portion of the multi-cut adhesive tape to the substrate at the adhesive tape attaching area thereof.

MEMBER CONNECTION METHOD AND ADHESIVE TAPE
20210074674 · 2021-03-11 ·

This member connection method includes: a cutting step of forming cutting lines C in an adhesive layer at predetermined intervals at least in a width direction of an adhesive tape and making segments of the adhesive layer divided by the cutting lines C continuous at least in a lengthwise direction of the adhesive tape; a transfer step of disposing the segments to face a connection surface of one member to be connected, pressing a heating and pressing tool having an arbitrary pattern shape against the adhesive tape from a separator side and selectively transferring the segments to the one member to be connected; and a connection step for connecting another member to be connected to the one member to be connected via the segments transferred to the one member to be connected.

Anisotropic conductive film (ACF) with controllable distribution state of conductive substance and manufacturing method thereof

The present disclosure relates to an anisotropic conductive film (ACF) with controllable distribution state of conductive substance and a manufacturing method thereof. The ACF includes: a porous template, a plurality of conductive tubes, and an insulation glue layer. A plurality of through holes are configured on the porous template and to penetrate the porous template along a thickness direction of the porous template. Each of the conductive tubes is respectively inserted into one through hole and protrudes from the through hole at both ends, and the insulation glue layer is configured to wrap at least one protruding portion of the conductive tube protruding from the porous template. As such, the distribution state of the conductive tube may be controlled by controlling the density of the through holes within the porous template during the preparation process, and the distribution state of the conductive substances in the ACF may be precisely controlled.

Multi-layered composite bonding materials and power electronics assemblies incorporating the same

A multilayer composite bonding material for transient liquid phase bonding a semiconductor device to a metal substrate includes thermal stress compensation layers sandwiched between a pair of bonding layers. The thermal stress compensation layers may include a core layer with a first stiffness sandwiched between a pair of outer layers with a second stiffness that is different than the first stiffness such that a graded stiffness extends across a thickness of the thermal stress compensation layers. The thermal stress compensation layers have a melting point above a sintering temperature and the bonding layers have a melting point below the sintering temperature. The graded stiffness across the thickness of the thermal stress compensation layers compensates for thermal contraction mismatch between the semiconductor device and the metal substrate during cooling from the sintering temperature to ambient temperature.

Electronic assemblies having a mesh bond material and methods of forming thereof

Embodiments of the present disclosure include a method of forming an electronic assembly with a mesh bond layer. The method may include forming a mesh bond material comprising a first surface spaced apart from a second surface by a thickness of the mesh bond material and one or more openings extending from the first surface through the thickness of the mesh bond material to the second surface. The method may further include adjusting at least one of: the thickness of the mesh bond material, a geometry of the one or more openings, or a size of the one or more openings of the mesh bond material, where the adjusting modifies a Young's modulus of the mesh bond material, and bonding the first surface of the mesh bond material to a surface of a semiconductor device.