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公开(公告)号：US20190055167A1
公开(公告)日：2019-02-21
申请号：US16078662
申请日：2017-02-16
摘要： The invention relates to a copper-ceramic composite comprising: a ceramic substrate containing alumina; a copper or copper alloy coating on the ceramic substrate; the alumina has a mean grain shape factor Ra(Al2O3), defined as the arithmetic mean of the shape factors R of the alumina grains, of at least 0.4.
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公开(公告)号：US20210188718A1
公开(公告)日：2021-06-24
申请号：US16078710
申请日：2017-02-16
IPC分类号： C04B37/02 , H01L23/373
摘要： The invention relates to a copper-ceramic composite comprising:—a ceramic substrate;—a copper or copper alloy coating in which the copper or copper alloy has grain sizes of 10 μm to 300 μm and a number distribution of the grain sizes with a median d50 and an arithmetic mean darith, the ratio of d50 to darith (d50/darith) being between 0.75 and 1.10.
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公开(公告)号：US11021406B2
公开(公告)日：2021-06-01
申请号：US16078676
申请日：2017-02-16
摘要： The invention relates to a copper-ceramic composite comprising: a ceramic substrate; and a copper or copper alloy coating on the ceramic substrate, the copper or copper alloy having grain sizes of 10 μm to 300 μm.
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公开(公告)号：US20190055166A1
公开(公告)日：2019-02-21
申请号：US16078182
申请日：2017-02-16
摘要： The invention relates to a copper-ceramic composite, comprising a ceramic substrate, which contains aluminum oxide, a coating on the ceramic substrate made of copper or a copper alloy, wherein the aluminum oxide has an average grain form factor Ra(Al2O3), determined as an arithmetic average value from the form factors of the grains of the aluminum oxide, the copper or the copper alloy has an average grain form factor Ra(Cu), determined as an arithmetic average of the form factors of the grains of the copper or copper alloy, and the average grain form factors of the aluminum oxide and copper or copper alloy meet the following condition: 0.5≤Ra(Al2O3)/Ra(Cu)≤2.0.
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公开(公告)号：US11584696B2
公开(公告)日：2023-02-21
申请号：US16078662
申请日：2017-02-16
IPC分类号： C04B41/00 , C04B41/51 , C04B41/88 , H01L23/15 , H01L23/373 , C04B37/02 , C04B35/111
摘要： A copper-ceramic composite: includes a ceramic substrate containing alumina and a copper or copper alloy coating on the ceramic substrate. The alumina has a mean grain shape factor Ra(Al2O3), defined as the arithmetic mean of the shape factors R of the alumina grains, of at least 0.4.
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公开(公告)号：US11498878B2
公开(公告)日：2022-11-15
申请号：US16078182
申请日：2017-02-16
摘要： The invention relates to a copper-ceramic composite, comprising a ceramic substrate, which contains aluminum oxide, a coating on the ceramic substrate made of copper or a copper alloy, wherein the aluminum oxide has an average grain form factor Ra(Al2O3), determined as an arithmetic average value from the form factors of the grains of the aluminum oxide, the copper or the copper alloy has an average grain form factor Ra(Cu), determined as an arithmetic average of the form factors of the grains of the copper or copper alloy, and the average grain form factors of the aluminum oxide and copper or copper alloy meet the following condition: 0.5≤Ra(Al2O3)/Ra(Cu)≤2.0.
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公开(公告)号：US11021407B2
公开(公告)日：2021-06-01
申请号：US16078141
申请日：2017-02-16
摘要： The invention relates to a copper/ceramic composite comprising—a ceramic substrate which contains aluminum oxide, —a coating which lies on the ceramic substrate and which is made of copper or a copper alloy, wherein the copper or the copper alloy has a particle size number distribution with a median value d50, an arithmetic mean value darith, and a symmetry value S(Cu)=d50/darith; the aluminum oxide has a particle size number distribution with a median value d50, an arithmetic mean value darith, and a symmetry value S(Al2O3)=d50/darith; and S(Al2O3) and S(Cu) satisfy the following condition: 0.7≤S(Al2O3)/S(Cu)≤1.4.
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公开(公告)号：US20190084893A1
公开(公告)日：2019-03-21
申请号：US16078676
申请日：2017-02-16
摘要： The invention relates to a copper-ceramic composite comprising: a ceramic substrate; and a copper or copper alloy coating on the ceramic substrate, the copper or copper alloy having grain sizes of 10 μm to 300 μm.
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