METHOD OF MANUFACTURING A SENSOR DEVICE
A method of manufacturing a sensor device(100) comprises forming (200) a substrate (102) comprising a sensor element followed by forming (202) a cap layer (104). The cap layer (104) is then bonded (204) to the substrate (102) before the substrate (102) is thinned (206). A via is formed (210) between...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A method of manufacturing a sensor device(100) comprises forming (200) a substrate (102) comprising a sensor element followed by forming (202) a cap layer (104). The cap layer (104) is then bonded (204) to the substrate (102) before the substrate (102) is thinned (206). A via is formed (210) between the sensor element and a back side of the thinned substrate (102). An electrical connection is provided between the sensor element and the back side of the thinned substrate (102). A mask is formed (208) on the cap layer (104) to define an area about a predetermined window region (108) before forming (210) of the via. A portion of the cap layer (104) about the predetermined window region (108) of the cap layer (104) is removed (212) after formation (210) of the via. |
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