US Patent 8031437 Disk drive device
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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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US Patent 08031437 Disk drive device US Patent 8031437 Disk drive device
Infobox
Patent Number
0803143700
Patent Number
803143700
Edits on 28 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
080314370
Date of Patent
October 4, 2011
0Patent Application Number
123136410
Date Filed
November 20, 2008
0Patent Primary Examiner
Edits on 28 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
080314370
Date of Patent
October 4, 2011
0Patent Application Number
123136410
Date Filed
November 20, 2008
0Patent Primary Examiner
Edits on 13 Dec, 2021
Golden AI
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US Patent 08031437 Disk drive device
Infobox
Is a
Patent jurisdiction
Patent number
08031437
Date of patent
October 4, 2011
Patent application number
12313641
Date Filed
November 20, 2008
Patent primary examiner
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