Flexible printed circuit assembly and disk drive including the same

A disk device, comprising:

• a recording medium;
• a head configured to write data to and read data from the recording medium;
• and
• a flexible printed circuit assembly electrically connected to the head, the flexible printed circuit assembly including:
• a flexible printed circuit board including a base portion and a relay portion extending from a first edge of the base portion and bent relative to the base portion;
• a first reinforcing member disposed at the relay portion;
• and
• a second reinforcing member attached to a first region of the base portion that includes a second edge opposite to the first edge and having an engaging portion, wherein
• the first region of the base portion is folded back towards a second region of the base portion that includes the first edge, and the engaging portion of the second reinforcing member is engaged with the first reinforcing member.