| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem where a conventional disk recording device seals a casing or a vent for absorbing an internal pressure into one part thereof is provided with a filter for preventing the infiltration of dust, even though is a risk for generation head crush caused by the infiltration of dust or moisture. SOLUTION: Concerning the disk recording device provided with the casing and a main body housed in the casing, this device is provided with a wall, which is not gas-permeable but is flexible, at one part of the casing at least and the wall 1 is deformed, so as to decrease a difference between the pressure of a gas inside the casing and the pressure of a gas outside the casing.
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