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--- technicians:technical_uhv_resistance_evaporator [2018/06/27 09:56] – scholma
+++ technicians:technical_uhv_resistance_evaporator [2020/01/10 09:03] (current) – scholma
@@ Line 3: / Line 3: @@
 ==montly==
-crystal
+replace crystal when lifetime >20%\\
 replace materials
 ==yearly==
-check glass isolator at electrodes
+check glass isolator at electrodes\\
 clean chamber walls
 === ordering parts ===
-Chromium plated Tungsten rods
+Chromium plated Tungsten rods\\
+Kurt Lesker. Article number EVSCRW2. 4" long. 36 euro for 5 pieces.\\
+.02V at 78A will give ~1800°C
-Au ('fijngoud') pieces
+Tungsten boat, alumina coated\\
+Kurt Lesker, article number EVS35BAOW. 0.89V at 130A will give ~1200°C
+Tungsten boat\\
+Kurt Lesker, article number EVS35010W. 2.26V at 207A will give ~1800°C
+Au pellets 99.99%\\
+Kurt Lesker. Article number EVMAU40SHOT. 50 euro per gram.
+Au fine grenulates 99.99%\\
+Thessco, roughly 38 euro a gram (based on current Au price)
 === ===