| 摘要 |
PROBLEM TO BE SOLVED: To easily remove dust by suppressing electrostatic charge even in a dried state. SOLUTION: This filter comprises woven knitted matter with conductive synthetic fibers arranged among non-conductive fibers, a surface electric resistance of the woven knitted matter is 1.0×10<SP>11</SP>Ω/sq. or less, and an aperture ratio is 30-80%. Fiber diameters of conductive synthetic fibers are preferably 10-50μm. COPYRIGHT: (C)2006,JPO&NCIPI
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