| 摘要 |
PROBLEM TO BE SOLVED: To prevent damage, etc., of hard disk drive heads caused by friction, by a method in which, in a positioning part for positioning the plurality of hard disk drive heads in a specific arrangement, minute projections are formed on the surfaces of the contact parts of each hard disk drive head, held in the arrangement, with a wiring face. SOLUTION: On the surface of each beam 15, minute projections 20 are formed between projections 13 and 14. Each of the minute projections 20 has the shape of a hemisphere with a parameter of about 100 7,t m that is a little greater than the thickness of wiring 34 fixed to the arm 33 of an HDD head 30, and it is in contact with the arm 33 in the empty area of the surface of the arm 33 of the HDD head 30, where the wiring 34 does not run. And, when the HDD head 30 is held in a tray, an empty space is made between the arm 33 and the upper face of the beam 15, Therefore, even if the HDD head 30 slightly moves in the tray, the wiring 34 does not contact the upper face of the beam 15 and other parts, therefore damage, etc., of the wiring 34 caused by friction do not occur.
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