Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 4, 2011
Patent Application Number
12313641
Date Filed
November 20, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
Embodiments of the present invention provide a highly reliable hard disk drive (HDD). In an HDD according to an embodiment of the present invention, solder at a solder joint for joining a pad of a head slider and a pad of a transmission wiring comprises the main component of Sn and atomic percent to atomic percent of indium. The solder exhibits the γ phase within the range of −150° C. to 120° C. Accordingly, even if the HDD is left at a low temperature for a long time, the solder joint is not broken.
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