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CEM 4230 Detector Setup Manual

3 Installation

3.1 Initial Inspection

Table 1: Packing list for the CEM 4230 Detector Setup.

Visual inspection of the system is required to ensure that no damage has occurred during shipping. Should

there be any signs of damage, please contact SURFACE CONCEPT immediately. Please check the delivery

according to the packing list (

) for completeness.

• CEM 4230 Detector Setup in transport container (delivered under Argon atmosphere)

3.2 Installation

3.2.1 Mounting the CEM

The CEM is mounted to a transport container which is filled with Argon atmosphere. To install the CEM into

your vacuum chamber, proceed as follows:

Figure 1: A CEM assembly mounted to the transport container and after removal.

Содержание CEM 4230

Страница 1: ...CEM 4230 Detector Setup Manual CEM 4230 Detector Setup Manual...

Страница 2: ...131 62716 0 fax 49 6131 62716 29 email info surface concept de web www surface concept de All rights reserved No part of this manual may be reproduced without the prior permission of Surface Concept G...

Страница 3: ...lation 5 3 1 Initial Inspection 5 3 2 Installation 5 3 2 1 Mounting the CEM 5 3 2 2 Cabling and High Voltage 7 4 Operation of the CEM 9 4 1 Start Up Procedure for First Time Operation 9 4 1 1 Basic Ch...

Страница 4: ...tor Follow this information to ensure a proper functioning of the detector The caution symbol marks warnings which are given to prevent an accidentally damaging of the detector or the readout system D...

Страница 5: ...contact SURFACE CONCEPT immediately Please check the delivery according to the packing list see Table 1 for completeness CEM 4230 Detector Setup in transport container delivered under Argon atmospher...

Страница 6: ...h the walls or other obstacles with the CEM funnel and do not pinch the cables between the flange edges After installation of the CEM assembly evacuate the chamber This is a high pressure channeltron...

Страница 7: ...Connect any HV Supply to the 3 SHV feedthroughs of the CEM base flange Connect any HV Supply to the U DET SHV connector of the decoupling box In case of using a Surface Concept CEM Decoupling Box mou...

Страница 8: ...ition counting and or time resolved measurements Connect any HV Supply to the 3 SHV feedthroughs of the CEM base flange Finish the complete cabling before any HV supplies and or pulse processing devic...

Страница 9: ...d ground The only measurable resistance should be between R U IN U OUT of several 10 MOhm of R U IN U DET of several 10 MOhm and of R U OUT R DET of 1 MOhm All resistances towards ground should be inf...

Страница 10: ...eforeperforming any changes of the cabling 4 2 Standard Operating Procedure Use this procedure later on for all operations when the detector has already been operated in vacuum before and has not been...

Страница 11: ...11 CEM 4230 Detector Setup Manual 4 3 Bake Out Procedure This high pressure channeltron assembly is not intended for bake out...

Страница 12: ...required Alternatively store the CEMs in argon dry air or even better in vacuum Water may lead to a reduction in the work function resulting in a higher gain During the burn in after having been stor...

Страница 13: ...13 CEM 4230 Detector Setup Manual 6 List of Figures Figure 1 A CEM assembly mounted to the transport container and after removal 5 Figure 2 Possible connection scheme of the CEM 4230 Detector Setup 7...