In the silicone base bonded structure, a silicone base bonding agent is used for bonding a permanent magnet and a motor shaft, the amount of nitrogen, sulfur, and elemental phosphorus on a bonding surface is not more than 0.1 μmol/cm^2, the thickness of a bonding agent layer is not less than 0.1 mm, and the bond sheading strength is not less than 6 MPa. 永久磁石とモータ軸の接着にシリコーン系接着剤を使用して、接着面のチッソ、イオウ、リン元素量が0.1μmol/cm^2以下で、接合剤層の厚さが0.1mm以上で、接着せん断強度が6MPa以上のシリコーン系接着構造体。 - 特許庁