These new SEM grids are designed to aid in the identification and localization of SEM specimens when placed on standard SEM stubs.
The SEMF1 has several features that are incorporated for easier location of the specimen and identification of areas of special interest
- Referring to the annular rim identifies north, south, east and west.
- The four quadrant markers are tapered towards the center.
- 100 Radial sectors are easily identified by reference to decimal numbers in the annular rim and alphabet letters in the four quadrants.
- A matte surface on one side is for correct positioning – matte side up.
The larger cells are identified using numbers from 1 – 57. Each large cell is sub-divided into 4, making a total of 228 identifiable cells by reference to their number and geographical location.