| 摘要 |
PROBLEM TO BE SOLVED: To keep a needle clean and also to prevent a recording medium from being soiled by removeing or recovering a lubricant attached to the tip end of the needle with respect to an information recorder. SOLUTION: A mechanism, which removes by dissolving with a solvent foreign matter attached to the needle 4 owing to contact between the 200μm or less length needle 4 provided at the tip end of a cantilever 3 and the recording medium 5, is provided.
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