Device and method for producing a device

    公开(公告)号:US10204880B2

    公开(公告)日:2019-02-12

    申请号:US15754872

    申请日:2016-08-23

    Abstract: A device and a method for producing a device are disclosed. In an embodiment the device includes a first component, a second component and a connecting element directly arranged between the first component and the second component, wherein the connecting element includes at least a first metal, which is formed as an adhesive layer, a diffusion barrier and a component of a first phase and a second phase of the connecting element, wherein the adhesive layer is arranged on the first component and/or the second component, wherein the first phase and/or the second phase includes, besides the first metal, further metals different from the first metal, wherein a concentration of the first metal in the first phase is greater than a concentration of the first metal in the second phase, and wherein the connecting element includes a layer of a silicide of the first metal.

    METHOD OF FASTENING A SEMICONDUCTOR CHIP ON A LEAD FRAME, AND ELECTRONIC COMPONENT

    公开(公告)号:US20200234976A1

    公开(公告)日:2020-07-23

    申请号:US16489726

    申请日:2018-02-28

    Abstract: A method of attaching a semiconductor chip to a lead frame, including A) providing a semiconductor chip, B) applying a solder metal layer sequence on the semiconductor chip, C) providing a lead frame, D) applying a metallization layer sequence on the lead frame, E) applying the semiconductor chip on the lead frame via the solder metal layer sequence and the metallization layer sequence, and F) heating the arrangement produced under E) to attach the semiconductor chip to the lead frame, wherein the solder metal layer sequence includes a first metallic layer including an indium-tin alloy, a barrier layer arranged above the first metallic layer, and a second metallic layer including gold arranged between the barrier layer and the semiconductor chip.

    METHOD OF FASTENING A SEMICONDUCTOR CHIP ON A LEAD FRAME, AND ELECTRONIC COMPONENT

    公开(公告)号:US20200152480A1

    公开(公告)日:2020-05-14

    申请号:US16604252

    申请日:2018-04-18

    Abstract: A method of attaching a semiconductor chip on a lead frame includes A) providing a semiconductor chip, B) applying a solder metal layer sequence to the semiconductor chip, wherein the solder metal layer sequence includes a first metallic layer including indium or an indium-tin alloy, C) providing a lead frame, D) applying a metallization layer sequence to the lead frame, wherein the metallization layer sequence includes a fourth layer including indium and/or tin arranged above the lead frame and a third layer including gold arranged above the fourth layer, E) forming an intermetallic intermediate layer including gold and indium, gold and tin or gold, tin and indium, G) applying the semiconductor chip to the lead frame via the solder metal layer sequence and the intermetallic intermediate layer, and H) heating the arrangement produced in G) to attach the semiconductor chip to the lead frame.

    Method of fastening a semiconductor chip on a lead frame, and electronic component

    公开(公告)号:US11127602B2

    公开(公告)日:2021-09-21

    申请号:US16489726

    申请日:2018-02-28

    Abstract: A method of attaching a semiconductor chip to a lead frame, including A) providing a semiconductor chip, B) applying a solder metal layer sequence on the semiconductor chip, C) providing a lead frame, D) applying a metallization layer sequence on the lead frame, E) applying the semiconductor chip on the lead frame via the solder metal layer sequence and the metallization layer sequence, and F) heating the arrangement produced under E) to attach the semiconductor chip to the lead frame, wherein the solder metal layer sequence includes a first metallic layer including an indium-tin alloy, a barrier layer arranged above the first metallic layer, and a second metallic layer including gold arranged between the barrier layer and the semiconductor chip.

    Device and method for producing a device

    公开(公告)号:US10431715B2

    公开(公告)日:2019-10-01

    申请号:US15754959

    申请日:2016-08-23

    Abstract: A device and a method for producing a device are disclosed. In an embodiment the device includes a first component; a second component; and a connecting element arranged between the first component and the second component, wherein the connecting element comprises at least a first phase and a second phase, wherein the first phase comprises a first metal having a first concentration, a second metal having a second concentration and a third metal having a third concentration, wherein the second phase comprises the first metal having a fourth concentration, the second metal and the third metal, wherein the first metal, the second metal and the third metal are different from one another and are suitable for reacting at a processing temperature of less than 200° C., and wherein the following applies: c11≥c25 and c11≥c13≥c12.

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