Comparison ledger
SPTS CET25 and SPTS XeF2, side by side. Every value shown is drawn from its cited encyclopedia entry.
| Attribute | CET25SPTS | XeF2SPTS |
|---|---|---|
| OEM | SPTS | SPTS |
| Category | Etch | Etch |
| Wafer size | 25-wafer batch | Up to 6-inch wafers |
| Process node | — | — |
| Introduced | — | — |
| Production run | — | — |
| Lifecycle | — | — |
| Lifecycle milestones | — | 2013 Acquisition of XACTIX, Inc. · 2013 XACTIX acquisition |
| Control system | — | — |
| Generation | — | — |
| Family | SPTS CET25 | SPTS XeF2 |
| Specifications | ||
| Process type | HF vapor release etch for MEMS[1] | — |
| Batch size | 25-wafer batch[1] | — |
| Target application | Medium to high volume production applications[1] | — |
| Key benefits | High throughput; process chamber, gas and liquid panel, and pressure control components within a small footprint; extensive process control and monitoring functions[1] | — |
| Configuration support | Various SPTS cluster configurations with the ability to support multiple process modules[1] | — |
| Etch type | — | Isotropic etch[2] |
| Selectivity | — | Over 1000:1 between Si/photoresist, Si/SiO2, and Si/SiN[2] |
| Gas flow modes | — | Continuous and pulsed gas flow[2] |
| Operating temperature | — | Room temperature[2] |
| Plasma | — | No plasma[2] |
| Substrate size | — | Up to 6-inch wafers[2] |
| Isotropic etch materials | — | Si, Mo, Ge, W, C[2] |
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