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Method for producing a silver sintering agent having silver oxide surfaces and use of said agent in methods for joining components by pressure sintering

專利號
US10785877B2
公開日期
2020-09-22
申請人
Heraeus Deutschland GmbH & Co. KG(DE Hanau)
發(fā)明人
Michael Sch?fer; Wolfgang Schmitt
IPC分類
H05K3/32; H01L23/00; B22F7/04; B22F5/00; B22F3/10; B22F3/14; B23K35/02; B23K35/30; C23C8/10; C25D11/34; H05K1/09
技術領域
silver,sintering,oxide,oxidizable,layer,agent,in,surfaces,acid,sintered
地域: Hanau

摘要

A method for the production of a silver sintering agent in the form of a layer-shaped silver sintering body having silver oxide surfaces and the use thereof are provided.

說明書

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  • (ii) providing an arrangement of the at least two components and the silver sintering agent arranged in between them while forming joint contact surfaces from the respective silver oxide surface of the silver sintering agent and the metallic contact surface of the corresponding component; and
  • (iii) pressure sintering of the arrangement in an atmosphere that contains at least one oxidizable compound.
  • In contrast, embodiment (II) of the method comprises the steps of:

      • (i) providing at least two components, each with a metallic contact surface, and the silver sintering agent in the form of the layer-shaped silver sintering body having silver oxide surfaces;
      • (ii) providing the silver oxide surfaces with at least one oxidizable organic compound;
      • (iii) providing an arrangement of the at least two components and the silver sintering agent arranged in between them while forming joint contact surfaces from the corresponding silver oxide surface of the silver sintering agent, which is provided with the at least one oxidizable organic compound, and the metallic contact surface of the corresponding component; and
      • (iv) pressure sintering the arrangement.

    It is feasible to combine embodiments (I) and (II).

    權利要求

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