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LOW WEAR DEBRIS POLYOXYMETHYLENE COMPOSITION AND A RAMP MADE OF SUCH POLYOXYMETHYLENE COMPOSITION SUITABLE FOR VARIOUS HDD DESIGNS
LOW WEAR DEBRIS POLYOXYMETHYLENE COMPOSITION AND A RAMP MADE OF SUCH POLYOXYMETHYLENE COMPOSITION SUITABLE FOR VARIOUS HDD DESIGNS
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机译:低磨损的碎片聚氧乙烯组成和适用于各种硬盘设计的这种聚氧乙烯组成的斜面
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摘要
A polyoxymethylene composition includes a polyoxymethylene copolymer with 1,3-dioxolane as a comonomer, a wear resistance agent, a nucleating agent, and an antistatic agent. A ramp is made of the polyoxymethylene composition. The ramp and the polyoxymethylene have excellent low-wear-debris property. The low wear debris polyoxymethylene composition can be used to produce a ramp for many different designs of hard disks, such as PMR (perpendicular recording)+TDMR (Two-Dimensional Magnetic Recording), SMR (Shingled Magnetic Recording), HAMR+ (HAMR (Heat Assisted Magnetic Recording)+SMR+TDMR), BPMR+ (BPMR (Bit Pattern Media Recording)+SMR+TDMR), and helium-filled hard disk.
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