Comparison ledger
EV Group EVG40, Veeco Dektak, side by side. Every value shown is drawn from the cited encyclopedia entries.
| Attribute | EVG40EV Group | DektakVeeco |
|---|---|---|
| OEM | EV Group | Veeco |
| Category | Metrology & Inspection | Metrology & Inspection |
| Wafer size | 200mm | 200mm |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | — |
| Control system | — | — |
| Generation | — | — |
| Family | EV Group EVG40 | Veeco Dektak |
| Cited variants | — | |
| Specifications | ||
| Measurement type | Top-to-bottom side alignment accuracy measurement system[1] | — |
| Technology | Non-destructive, visible light, self calibrating technology[1] | — |
| Measurement capability | Repeatable top-to-bottom side alignment accuracy measurement[1] | — |
| Supported wafer or substrate size | Any wafer or substrate material up to 200 mm[1] | — |
| Objective magnification | High power objectives from 5x to 50x[1] | — |
| Absolute accuracy | < 0.5 µm with a statistical probability of 99%[1] | — |
| Control platform | PC-based measurement system[1] | — |
| Automation range | Manual to fully-automated versions[1] | — |
| Standard basic unit | Alignment stage optics[1] | — |
| Advanced basic unit | Alignment stage optics; advanced features include image recognition system, quick transparent overlay, and linewidth measurement mode[1] | — |
| Semi-automated basic unit | Alignment stage optics; advanced features include image recognition system, quick transparent overlay, and linewidth measurement mode; automation features include programmable microscope stage rack and motorized chuck rotation[1] | — |
| Fully-automated basic unit | Alignment stage optics; advanced features include image recognition system, quick transparent overlay, and linewidth measurement mode; automation features include programmable microscope stage rack, motorized chuck rotation, and robotic autoload cassette-to-cassette[1] | — |
| Wafer size | Any wafer or substrate material up to 200 mm[1] | — |
| Measured parameters (NT variant) | Lithography-relevant parameters like critical dimensions, as well as bond alignment accuracy[2] | — |
| Measurement methods (NT variant) | Critical dimension (CD) measurement, die-to-die alignment verification, multi-layer thickness measurement[2] | — |
| Measurement accuracy (NT variant) | High measurement accuracy in vertical and lateral direction[2] | — |
| Overlay measurement (D2W variant) | 100 percent die overlay measurement with high precision[3] | — |
| Manufacturer | — | Veeco[4] |
| Model | — | DEKTAK 150[4] |
| Purpose | — | Stylus-based scanning system for measuring surface topography and thin film step heights[5] |
| Tip Size | — | 12 µm[4] |
| Standard Stylus Tip | — | 2.5 μm[5] |
| Scan Length | — | 55 - 200 mm[4] |
| Maximum Data Points per Scan | — | 120,000[4] |
| Maximum Sample Size | — | 200 mm[4] |
| Sample Diameter | — | up to 200 mm in diameter[5] |
| Sample Thickness | — | up to 90 mm thick[5] |
| Stylus Force | — | 1 - 15 mg[4] |
| X-Y Translation | — | 101.6 x 101.6 mm[5] |
| Stage Type | — | Two-axis, manual sample-positioning stage[5] |
| Stage Leveling and Rotation | — | Manual stage leveling and rotation[5] |
| Leveling | — | Two-point programmable or cursor software leveling[5] |
| Environmental Enclosure | — | Acrylic environmental enclosure[5] |
| Maximum sample thickness | — | 90 mm[5] |
| X-Y translation range | — | 101.6 x 101.6 mm[5] |
| Long scan length | — | 55 mm[5] |
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