Extinetion positions can be rapidly and accurately determined with interference figures by adjusting the isogyres to the position bisected by eross wire intersection,The accuracy of this method is 0.1 to 0.3°,cor...Extinetion positions can be rapidly and accurately determined with interference figures by adjusting the isogyres to the position bisected by eross wire intersection,The accuracy of this method is 0.1 to 0.3°,corresponding the toat obtained by Nakamura plate.This method can be used in combination with universal stage,but is also applicable with spindle stage or ordinary petrograaphic microscope.展开更多
The characteristic of near-field spots is analyzed.The size of the near field and the heat response time of the hybrid record medium to overcome super paramagnetic effect are calculated based on the heat transfer theo...The characteristic of near-field spots is analyzed.The size of the near field and the heat response time of the hybrid record medium to overcome super paramagnetic effect are calculated based on the heat transfer theory. A novel measuring method for the diameter of near-field recording spot is also presented. Since the grain of the recording media is tiny enough,near-field optical lithography can be accomplished with the aid of atomic force microscope (AFM).The diameter of near-field recording spot can be obtained by specifically designed computer.So the relationship between the near-field recording spot diameter and the probe size of near-field recording system, the near field recording distance coupling between head and disc can be got.展开更多
文摘Extinetion positions can be rapidly and accurately determined with interference figures by adjusting the isogyres to the position bisected by eross wire intersection,The accuracy of this method is 0.1 to 0.3°,corresponding the toat obtained by Nakamura plate.This method can be used in combination with universal stage,but is also applicable with spindle stage or ordinary petrograaphic microscope.
文摘The characteristic of near-field spots is analyzed.The size of the near field and the heat response time of the hybrid record medium to overcome super paramagnetic effect are calculated based on the heat transfer theory. A novel measuring method for the diameter of near-field recording spot is also presented. Since the grain of the recording media is tiny enough,near-field optical lithography can be accomplished with the aid of atomic force microscope (AFM).The diameter of near-field recording spot can be obtained by specifically designed computer.So the relationship between the near-field recording spot diameter and the probe size of near-field recording system, the near field recording distance coupling between head and disc can be got.
