PowerPoint Presentation - Indico€¦ · 7/17 LAKESHORE’S T-MONITOR C2T4 has reverted I+ with V-...
17
Transcript of PowerPoint Presentation - Indico€¦ · 7/17 LAKESHORE’S T-MONITOR C2T4 has reverted I+ with V-...
2/17
1.
a)
b)
c)
d)
2.
3.
a)
b)
c)
4.
a)
b)
c)
3/17
PIEZO OF CAVITY #3
TMAGNET = 57.2K + Movement of Piezo (6-8dB Vibration)
Vibration disappears on:
• Low Temperatures
• Different Frequencies!!
1a.
4/17
PIEZO OF CAVITY #4
Added in series (to “fool” the interlock):
• Capacitors:
• Resistors:
1b.
5/17
LAKESHORE’S T-MONITOR
1.
2.
• Known Resistance (=TEMP) from CAST
Sensor -> T-Monitor OK
• Multimeter check -> Cable OK
?Connections inside the Magnet?
CALIBRATION CURVE
1c.
6/17
LAKESHORE’S T-MONITOR
C1T1 FOLLOWS THE MAGNET CURRENT WHEN RAMPING UP
1c.
7/17
LAKESHORE’S T-MONITOR
C2T4 has reverted I+ with V- (pins 22 with 23 are on the opposite side in the
schematic of Jihoon)
1c.
8/17
IQC-MEM1d.
9/17
2.
10/17
•
•
•
•
•
•
134H
1H
2.
11/17
3a. REMOVAL OF WARM FLANGES
12/17
3b. DISCONNECTION OF INSIDE CABLES
13/17
3c.
• REMOVAL OF SHIELDING
• REMOVAL OF FURTHER CABLES
• EXTRACTION OF CAVITIES
IMMINENT WORK
14/17
•
•
•
•
•
•
•
•
•
4a.
15/17
•
•
•
•
•
•
•
•
•
4b.
16/17
•
•
•
•
•
•
•
4c.
17/17
THANK YOU
