| 摘要 |
A recording medium cartridge and producing method thereof, such that slidability of resin-fabricated members of different materials against one another can be assured even in conditions in which impacts are successively applied. The recording medium cartridge is provided with a recording medium T and a plurality of resin-fabricated components. A mixture C of perfluoropolyethylene and polytetrafluoroethylene is interposed at boundary surfaces at which the resin-fabricated components of different material slide against one another and/or at boundary surfaces at which the resin-fabricated components of different material slide against one another.
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