Etched dielectric film in hard disk drives

Details Etched dielectric film in hard disk drives Etched dielectric film in hard disk drives

G - Physics

11

B

G11B 5/48 (2006.01) C08J 7/12 (2006.01) H05K 3/00 (2006.01)

Patent

CA 2557127

An etched dielectric film for use in a hard disk drive. The dielectric film has a thickness of about 25~m or greater when it is attached to a supporting metal substrate, and is subsequently etched to a thickness of about 20~m or less.

L'invention porte sur un film diélectrique pour disque dur présentant lors qu'on le fixe à un substrat support métallique une épaisseur initiale d'environ 25?m ou plus, qui est ramenée par mordançage à environ 20?m ou moins.

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