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10 th SPL Cavity Group Workshop Meeting 07 March 2011. 2 nd Sound Diagnostics Progress. Kitty Liao CERN BE-RF-KS. I . Noise reduction II . Membrane Sputtering III. Mechanical parts. Noise reduction Membrane sputtering Mechanical parts manufacturing.

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2 nd Sound Diagnostics Progress

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2 nd sound diagnostics progress

10th SPL Cavity Group Workshop Meeting 07 March 2011

2nd Sound Diagnostics Progress

Kitty Liao

CERN

BE-RF-KS


2 nd sound diagnostics progress1

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

Noise reduction

Membrane sputtering

Mechanical parts manufacturing

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

2nd Sound Diagnostics Progress


I noise reduction

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

50Hz: Battery driven oscilloscope (Tektronix

Battery powered amplifier circuit for OST

Shielded cables for thermometers

Rack to shield all equipments

EMI filter to suppress high frequency noise

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

I. Noise reduction


Ii membrane sputtering for the ost

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

Membrane sputtering

Pore size: 0.2 micron meters

Thickness: 6-11 micron meters

Sputtering material: Gold and Titanium

Membrane picture SEM session(M. Scheubel:EN-EMM)

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

II. Membrane sputtering for the OST

(W. Vollenberg :TE-VSC)

Ti (rough)

Al

Ti (shiny)

Membrane holder

Au , shiny (up), rough (bottom)


Ii membrane sputtering for the ost1

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

100x 1000x 5000x

II. Membrane sputtering for the OST

From Cornell


Membrane sputtering for the ost

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

Membrane sputtering for the OST


Iii mechanical parts

I. Noise reduction II. Membrane Sputtering III. Mechanical parts

10 pieces of OSTs

Part 1 : Aluminium sensor lid

opening- 17mm for the conduction

Part 2: Brass electrode

Part 3: Aluminium back plate

M1/M2 screws

Epoxies for attaching the electrode and SMA connectors

By Christophe Nicou (BE/RF)

2nd Sound Diagnostics Progress K. Liao 10th SPL cavity group workshop

III. Mechanical Parts


2 nd sound diagnostics progress

Thank you very much!

[email protected]

Q & A


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