Disk apparatus, wiring body for disk apparatus and method of manufacturing the wiring body for disk apparatus

A wiring body for a disk apparatus provided for supplying a head mounted on a head slider so as to perform signal recording and/or reproduction with respect to a disk-like recording medium with a head current used for the signal recording or reproduction with respect to the disk-like recording medium, and supplying a driving unit provided for allowing an arm to swing with a driving current used to allow the arm to swing, the arm being provided swingably so as to set the head mounted on the head slider to be in a desired position on the disk-like recording medium,

• wherein the wiring body is supplied with the head current and the driving current from a lead-out terminal portion;
• the wiring body comprising:
• a flexure sheet formed in the arm so as to support the head slider;
• a head wiring formed so as to connect the head slider to the lead-out terminal portion by passing over the flexure sheet thereby to supply the head mounted on the head slider with the head current;
• and
• a driving wiring formed along the head wiring in an area ranging from the lead-out terminal portion to a wiring connecting portion formed in the flexure sheet thereby to supply the driving unit with the driving current.

A method of manufacturing a wiring body for a disk apparatus, the wiring body being provided for supplying a head mounted on a head slider so as to perform signal recording and/or reproduction with respect to a disk-like recording medium with a head current used for the signal recording or reproduction with respect to the disk-like recording medium, and supplying a driving unit provided for allowing an arm to swing with a driving current used to allow the arm to swing, the arm being provided swingably so as to set the head mounted on the head slider to be in a desired position on the disk-like recording medium, comprising the steps of:

• forming a first insulation film on a metal sheet;
• forming wirings in which a plurality of head wirings, for connecting the head slider to a lead-out terminal portion thereby to supply the head with the head current, are formed respectively on the first insulation film, and a driving wiring for supplying the driving unit with the driving current is formed on the first insulation film along a part of each of the head wirings,
• forming a second insulation film in which the second insulation film is formed on the first insulation film so that each of the head wirings and the driving wirings is coated with the second insulation film;
• and
• etching the metal sheet to form a plurality of flexure sheets provided in the arm so as to support the head slider.