https://thinfilmsupply.com/Category/MgF2
MgF2 - Boat Sources, UHV Foil, Evaporation Products & More
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https://thinfilmsupply.com/Category/6crystals
6 MHz Standard Quartz Crystals - Boat Sources, UHV Foil, Evaporation Products & More
6 MHz Standard Quartz Crystals. Available in Gold or Silver(Standard Coating), and Alloy (Stressful, Multi-Layer Coating).
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