2013/05/13

Update on Stripline Work

Figure 1: Twenty-five twisted pairs of 30 AWG Cu-Be wire sandwiched between heat sinks.

Figure 2: Kapton tape sandwiching 30 AWG Cu-Be twisted pair.

Figure 3: Copper and kapton tapes sandwiching 30 AWG Cu-Be twisted pair.

Replacement of He-3 Pump's Shaft Seals

Figure 4: Plastic cylinders and arbor press.

Figure 5: Shaft seals in centering disc.

Figure 6: Shaft seals in centering disc coated in vacuum grease.

Figure 7: Large O-ring mounted in groove on end plate.

Figure 8: Centering disc with shaft seals and holding panel fastened to end plate.

Figure 9: Bushing inserted over shaft and through middle of shaft seals in centering disc.

Figure 10: Compression ring and small O-ring mounted.

Figure 11: Pump-half of coupling element mounted.

Figure 12: Spring washer and screw mounted.

Figure 13: Coupling element mounted.