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Patent 5213151: Melt overflow control for constant linear density fiber mat and strip (5301 words) |
 | The linear volume of the strip is primarily a function of the thickness of the strip and is desirably kept substantially constant as in the case of the fiber mat. |
| Linear volume is a measure of the length and width along the longitudinal direction of the continuous metal strip or continuous fiber mat, assuming the volume to be constant across the longitudinal axis, i.e. |
| Linear volume denotes the mass per unit length of a material, whereas the more common volumetric density is a measure of the mass per unit volume of material. |
| Areal Density (1209 words) |
| The linear density of a disk is not constant over its entire surface--bear this in mind when reading density specifications, which usually list only the maximum density of the disk. |
| The reason that density varies is because the lengths of the tracks increase as you move from the inside tracks to the outside tracks, so outer tracks can hold more data than inner ones. |
| The reason is that the areal density of the disk impacts both of the key hard disk performance factors: both positioning speed and data transfer rate. |
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