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  Semiconductor deviceUSPTO Application #: 20070164394Title: Semiconductor device Abstract: On a semiconductor substrate a silicon oxide film is formed and provided with a recess. In the recess a reflector layer of copper is disposed as a blocking layer with a barrier metal posed therebetween. The reflector layer of copper is covered with a silicon oxide film and thereon a fuse region provided with a plurality of fuses is provided. The reflector layer of copper has a plane of reflection recessed downward to reflect a laser beam. The reflector layer of copper is arranged to overlap substantially the entirety of the fuse region, as seen in a plane. A laser beam radiated to blow the fuse can have a reduced effect on a vicinity of the fuse region. A semiconductor device reduced in size can be obtained. (end of abstract) USPTO Applicaton #: 20070164394 - Class: 257529000 (USPTO) Related Patent Categories: Active Solid-state Devices (e.g., Transistors, Solid-state Diodes), Integrated Circuit Structure With Electrically Isolated Components, Passive Components In Ics, Including Programmable Passive Component (e.g., Fuse)
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