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衬底照片： 
尺寸和规格：
| B级-3mm直径HOPG衬底 | MK2463 | 1002463 | 20片/包装
Item:421HP-CA
| 直径：3mm
10-40μm thick | 询价 | | B级-3mm直径HOPG衬底 | MK2464 | 1002464 | 100片/包装
Item:421HP-MB
| 直径：3mm
10-40μm thick | 询价 |
Grade SPI-2 Discs 3 mm diameter to fit into a standard TEM grid holder, 50-75 μm thick Exhibits a mosaic angle as small as 0.8° "+/- 0.2° and while it might not be acceptable for the most demanding of experiments, for student use its much more economical pricing makes it ideal. This grade is much less highly ordered and has a grain size not larger than the range of 30-40 nm. It is also excellent for student use. Because of the lower level of order, one can expect that the individual "strippings" will exhibit some population of "steps".
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