The TG3D-3000/600 test grating with its 3-Dimensional array is intended for lateral calibration of SPM scanners, detection of lateral nonlinearity, hysteresis, creep, cross-coupling effects and for determination of the tip aspect ratio.
Structure: | Si wafer with grating in top surface |
Pattern type: | Chessboard like array of square pillars with sharp undercut edges |
Height: | 0.3 - 0.6µm |
Top square size: | 1.2 x 1.2µm |
Edge radius: | ≤10nm |
Period: | 3 ±0.05µm |
Chip size: | 5 x 5 x 0.5mm |
Effective area: | Central square of 3 x 3mm |
Note: Height and top square dimensions are given for information only (non calibrated values).