Foundry Services
E-Beam Evaporated Metals
Our E-Beam evaporation process provides excellent film thickness control and can deposit up to six different materials in-situ. E-Beam evaporation is often used when precious metals deposition is required and is an excellent choice for wafers that require lift-off processing.
In order to ensure the best results for metal lift-off, the underlying wafer and photoresist must be kept cool during metal deposition. This can be difficult to achieve while depositing thick layers. Rogue Valley Microdevices has developed a specialized low temperature E-Beam evaporation process specifically for use during metal lift-off processing.
The surface preparation of patterned silicon and quartz wafers intended for lift-off metal is also extremely important. We include photoresist bake and O2 descum steps just prior to deposition to improve film adhesion.
Films available for deposition
We offer a wide variety of E-Beam evaporation precious and non-precious metals. Non-precious metals and dielectric materials are available for sputtering.
Metals available for E-Beam evaporation include:
- Aluminum
- Chromium
- Copper
- Gold
- Indium Tin oxide
- Platinum
- Nickel
- Silver
- Titanium
- Tin
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