PROBLEM TO BE SOLVED: To provide a capacitive sensor that excels in sensitivity and fingerprint resistance, and a method for manufacturing the same.SOLUTION: A capacitive sensor 100 of the present invention comprises a substrate 101, a detection electrode 103 provided on the substrate 101, and a sealing film 105 for sealing up the detection electrode 103. The average length (RSm) of a roughness curve element in the sealing film 105 measured in conformity to JIS B0601: 2001 is 1250 μm to 2950 μm inclusive.SELECTED DRAWING: Figure 1【課題】感度および耐指紋性に優れた静電容量型センサおよびその製造方法を提供すること。【解決手段】本発明の静電容量型センサ１００は、基板１０１と、基板１０１上に設けられた検出電極１０３と、検出電極１０３を封止する封止膜１０５と、を備える。ＪＩＳ Ｂ０６０１：２００１に準じて測定される、封止膜１０５における粗さ曲線要素の平均長さ（ＲＳｍ）が１２５０μｍ以上２９５０μｍ以下である。【選択図】図１
