GTK Frame Cooling – Thermal camera

Camille LigneauGeorg Nüßle

Andrea Francescon

µcool weekly 2July 25, 2012

Results first trial

Sensor• Heater painted matt black • Tests in atmosphere• Machine setpoint: 10°C (avoid condensation)• Long peek tubes, we don’t care about

additional ∆p

µcool weekly 3July 25, 2012

Results first trial

Sensor• 3W digital, 0.7W analog

1 2 3 4 520

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Digital leftAnalogDigital right

Tem

pera

ture

(°C)

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Comparison Cameras

Camera Resolution (Pixels)

RayCam 1884 160 x 120

AVIO TVS-600 320 x 240

FLIR i50 140 x 140

Motivation: resolution is not high enough to identify the features of our heater

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RayCam 1884

No power Dig : 1W/chipAna : 0.23W/chip

Dig : 2W/chipAna : 0.47W/chip

Dig : 3W/chipAna : 0.7W/chip

Massflow : 10g/sInlet t° : 15.5°C

July 25, 2012

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AVIO TVS-600

Massflow : 10g/sInlet t° : 15.5°CDig : 3W/chipAna : 0.7W/chip

July 25, 2012

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FLIR Thermal Camera

inlet outet20

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50

Temperature along the mock-up at full power

Li2 - digLi1 - anaLi3 - dig

Tem

pera

ture

(°C)

Massflow : 10g/sInlet t° : 15.5°CDig : 3W/chipAna : 0.7W/chip

Middle digital heater doesn’t

work

July 25, 2012

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Conclusion

• The black paint does the job• The pictures a very good to explain the temperature distribution• Non of the cameras allows to distinguish between the chip and sensor• Cameras can identify hot spots, important for final ASIC• We would need a camera with high resolution and a lens for a short distance ….

July 25, 2012