Dynamic magnetic information storage or retrieval – Record transport with head stationary during transducing – Disk record
Reexamination Certificate
2011-01-25
2011-01-25
Davis, David D (Department: 2627)
Dynamic magnetic information storage or retrieval
Record transport with head stationary during transducing
Disk record
Reexamination Certificate
active
07876527
ABSTRACT:
Embodiments in accordance with the present invention improve bonding reliability in a feedthrough sealing portion. According to one embodiment of the present invention, an opening of a through hole is provided on the bottom of the base of the magnetic disk device and a feedthrough mounting plane which is one of the steps formed toward the outside of the device is provided around the opening. The feedthrough includes a flange and pins which are fixed to the flange by a glass material and pass an electric signal. The flange is larger in outer shape than the opening of the base. The periphery of the flange of the feedthrough is mounted on the feedthrough mounting plane of the base from the outside and bonded thereto by solder.
REFERENCES:
patent: 5110307 (1992-05-01), Rapoza
patent: 5337202 (1994-08-01), Jabbarai et al.
patent: 5541787 (1996-07-01), Jabbari et al.
patent: 5931697 (1999-08-01), Jeong
patent: 6327814 (2001-12-01), Tsujino et al.
patent: 6392838 (2002-05-01), Hearn et al.
patent: 6566776 (2003-05-01), Hoffmann et al.
patent: 7137196 (2006-11-01), Gunderson et al.
patent: 2005/0068666 (2005-03-01), Albrecht et al.
patent: 2317745 (1998-04-01), None
patent: 07-262765 (1995-10-01), None
patent: 2004-014826 (2001-01-01), None
Hayakawa Takako
Nakamiya Teruhiro
Shindo Hitoshi
Uefune Kouki
Davis David D
Hitachi Global Storage Technologies - Netherlands B.V.
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