Patent classifications
H01L2224/75316
Sintering materials and attachment methods using same
Methods for die attachment of multichip and single components including flip chips may involve printing a sintering paste on a substrate or on the back side of a die. Printing may involve stencil printing, screen printing, or a dispensing process. Paste may be printed on the back side of an entire wafer prior to dicing, or on the back side of an individual die. Sintering films may also be fabricated and transferred to a wafer, die or substrate. A post-sintering step may increase throughput.
SINTERING TOOL AND METHOD FOR SINTERING AN ELECTRONIC SUBASSEMBLY
Sintering tool (10) with a cradle for receiving an electronic subassembly (BG) to be sintered, characterized by at least one support bracket (20), arranged at two locations opposite the cradle, for fixing a protective film (30) covering the electronic subassembly (BG).
METHOD OF ASSEMBLING A SEMICONDUCTOR POWER MODULE COMPONENT AND A SEMICONDUCTOR POWER MODULE WITH SUCH A MODULE COMPONENT AND MANUFACTURING SYSTEM THEREFOR
A method of assembling a semiconductor power module component 30 and a manufacturing system comprising such a semiconductor power module component and a pressing apparatus 20 for manufacturing a semiconductor power module component are described. The semiconductor power module component 30 comprises at least a first element 1, a second element 2 and a third element 3 arranged in a stack 10. The first element 1 and the second element 2 are joined by sintering in a sintering area 4 and the second element 2 and the third element 3 are joined by soldering in a soldering area 6. The sintering and the soldering are simultaneously executed, wherein the soldering area 6 is heated to a temperature of soldering and the sintering area 4 is heated to a temperature of sintering, the temperature of soldering and the temperature of sintering being harmonized to each other. Pressure is being applied to the stack 10, comprising the at least one soldering area 6 and the at least one sintering area 4 with stabilizing means 7 being arranged in the soldering area 6.
Sintering tool and method for sintering an electronic subassembly
Sintering tool (10) with a cradle for receiving an electronic subassembly (BG) to be sintered, characterized by at least one support bracket (20), arranged at two locations opposite the cradle, for fixing a protective film (30) covering the electronic subassembly (BG).
Arrangement and Method for Joining at Least Two Joining Partners
An arrangement for joining two joining members includes a first part having a support surface, a first carrier element configured to carry at least one foil, a transportation unit configured to arrange the first carrier element such that the foil is arranged above the support surface in a vertical direction, and a second part configured to exert pressure to a joining stack, when the joining stack is arranged on the support surface. The joining stack includes a first joining member arranged on the support surface, a second joining member, and an electrically conductive connection layer arranged between the joining members. When pressure is exerted to the joining stack, the foil is arranged between the second part and the joining stack and is pressed onto the joining stack and the joining stack is pressed onto the first part, compressing the connection layer and forming a substance-to-substance bond between the joining members.
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.
BONDING APPARATUS AND BONDING METHOD
A bonding apparatus and a bonding method are provided. The bonding apparatus bonds a semiconductor die to a substrate by thermocompression through an adhesive material. This bonding apparatus is provided with: a bonding tool which has a bonding surface that holds the semiconductor die through a first portion of a tape, and a pair of first tape constraining surfaces that are arranged so as to sandwich the bonding surface and constrain a second portion of the tape: tape constraining mechanisms which have a second tape constraining surface that presses the tape against the first tape constraining surfaces; and a control part which controls the movements of the bonding tool and the tape constraining mechanisms.
Device and method of fluidic assembly of microchips on a substrate
A cell of fluidic assembly of microchips on a substrate, including: a base having its upper surface intended to receive the substrate; a body laterally delimiting a fluidic chamber above the substrate; and a cover closing the fluidic chamber from its upper surface, wherein the body comprises first and second nozzles respectively emerging onto opposite first and second lateral edges of the fluidic chamber, each of the first and second nozzles being adapted to injecting and/or sucking in a liquid suspension of microchips into and/or from the fluidic chamber, in a direction parallel to the mean plane of the substrate.
METHOD AND APPARATUS FOR MULTIPLE DIRECT TRANSFERS OF SEMICONDUCTOR DEVICES
An apparatus for a direct transfer of a semiconductor device die from a wafer tape to a substrate. A first frame holds the wafer tape and a second frame secures the substrate. The second frame holds the substrate such that a transfer surface is disposed facing the semiconductor device die on a first side of the wafer tape. Two or more needles are disposed adjacent a second side of the wafer tape opposite the first side. A length of the two or more needles extends in a direction toward the wafer tape. A needle actuator actuates the two or more needles into a die transfer position at which at least one needle of the two or more needles presses on the second side of the wafer tape to press a semiconductor device die of the one or more semiconductor device die into contact with the transfer surface of the substrate.
Sintering device
Sintering device for sintering at least one electronic assembly, having a lower die and an upper die which is slidable towards the lower die, or a lower die which is slidable towards the upper die. The lower die forms a support for the assembly to be sintered and the upper die includes a receptacle for a pressure pad for exerting pressure directed towards the lower die, and a delimitation wall which laterally surrounds the pressure pad. The delimitation wall having an outer delimitation wall and an inner delimitation wall surrounded by the outer delimitation wall, the inner delimitation wall mounted so as to be slidable towards the outer delimitation wall and so as to be slid in the direction of the lower die such that, following the placing of the inner delimitation wall on the lower die, the pressure pad is displaceable in the direction of the lower die.