A method for treating polycystic ovarian syndrome and related conditions with a compound : or a pharmaceutically acceptable salt thereof. The vertical walls have opened holding holes which open at front parts and into which the pivot support shafts are inserted from opened portions to be supported at inner parts, and holding members holding the pivot support shafts in the opened holding holds. The front side of the cap structure is attached to the sensor die by a seal ring to hermetically encapsulate an area of the sensor die where the micro component is located. A bending angle detector is configured to detect a bending angle of the bent part based on the forming information.