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Method for producing packaged MEMS assemblies at the wafer level, and packaged MEMS assembly
Method for producing packaged MEMS assemblies at the wafer level, and packaged MEMS assembly
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机译:在晶片级上生产封装的MEMS组件的方法以及封装的MEMS组件
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摘要
A production method includes providing a semiconductor substrate with a wiring layer stack having cutouts on a first main surface region of the semiconductor substrate at which MEMS components are arranged in an exposed manner in the cutouts and projecting through contact elements are arranged at metallization regions of the wiring layer stack; applying a b-stage material layer cured in an intermediate stage on the wiring layer stack, such that the cutouts are covered by the b-stage material layer and the vertically projecting through contact elements are introduced into the b-stage material layer; curing the b-stage material layer to obtain a cured b-stage material layer; thinning the cured b-stage material layer; and applying a redistribution layer (RDL) structure on the thinned, cured b-stage material layer to obtain an electrical connection between the wiring layer stack and the RDL structure via the through contact elements.
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