Patent ID: 6088190
Filing Date: 2000-07-11
Classification: G11B

Abstract:
A diffusion structure for allowing fluid flow between an interior of a disk drive and a surrounding external environment, comprising:an entry channel having a first end connected to the external environment, and a second end at an opposite end of said entry channel;a plurality of chambers, a first chamber of said plurality of chambers connected to said second end of said entry channel, and a second chamber connected to the interior of the disk drive;a plurality of channels interconnected between said plurality of chambers, said plurality of channels inhibiting flow between said plurality of chambers at least at certain fluid flow rates;a housing for the disk drive in which said entry channel, said plurality of chambers and plurality of channels are formed; anda cover affixed to said housing over said plurality of chambers and plurality of channels so as to define a diffusion path through said plurality of chambers and plurality of channels.