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Temperature measurements of boxes on a cooling block with varying setups, including Cu foil and thermal paste, over two days. Observations highlight differences in cooling efficiency and failure cases.
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27/9/2007, TWater=19°C No Box screwed onto cooling block: Tmin=37°C, Tmax=48°C
28/9/2007, TWater=20°C No Box screwed onto cooling block: Tmin=35°C, Tmax=46°C
27/9/2007, TWater=19°C No Box screwed onto cooling block: Tmin=41°C, Tmax=54°C
28/9/2007, TWater=20°C No Box screwed onto cooling block: Tmin=39°C, Tmax=51°C
27/9/2007, TWater=19°C All boxes screwed onto cooling block, alternating with/without Cu 0.4mm foil: Tmin=31°C, Tmax=35°C
28/9/2007, TWater=20°C All boxes screwed onto cooling block, alternating with/without Cu 0.4mm foil: Tmin=31°C, Tmax=34°C
27/9/2007, TWater=19°C No Box screwed onto cooling block: Tmin=39°C, Tmax=45°C (Box C54 broken fuse)
28/9/2007, TWater=20°C Boxes C50,C58,C60 with thermal paste, all others not screwed onto cooling block (Box C54 broken fuse): Tmin=31°C, Tmax=33°C