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发明授权
CN104902680B 金属基板及其制作方法 有权

金属基板及其制作方法
摘要：
本发明揭露一种金属基板及其制作方法。金属基板包括第一绝缘基材、第二绝缘基材、第一金属层及第二金属层。第一绝缘基材，具有第一改质表面以及相对于第一改质表面的第二表面。第一金属层面对第二表面。第二绝缘基材贴合于第一改质表面，使第一绝缘基材位于第二绝缘基材与第一金属层之间。第二金属层位于第二绝缘基材的一侧，使第二绝缘基材位于第一改质表面与第二金属层之间。在第一改质表面与第二绝缘基材分离之后，第一改质表面的初始表面粗糙度的变化量实质小于10％。
摘要（英）：

A metal substrate includes a first insulating substrate, a second insulating substrate, a first metal layer and a second metal layer. The first insulating substrate has a first modified surface and a second surface opposite to the first modified surface. The first metal layer faces the second surface. The second insulating substrate is bonded on the first modified surface, such that the first insulating substrate is between the second insulating substrate and the first metal layer. The second metal layer is disposed on a side of the second insulating substrate, such that the second insulating substrate is between the first modified surface and the second metal layer. An original surface roughness of the first modified surface has a variation substantially less than 10% after the first modified surface is released from the second insulating substrate.

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