HFI-bottom up

Cosmic Rays	Compression	Time Constants
Elephants	Noise Correlations	Dimpling
1.6 K Stage Fluctuations	Electrical Cross-Talk	Far Sidelobes
4 K Stage Fluctuations		Focal Plane Geometry
Popcorn Noise		Pointing
Jumps		Optical Cross-Talk
4 K Cooler-Induced EM Noise		Main Beam
4 K Cooler-Induced Microphonics	Planet Fluxes	Main Beam
Pointing-Change Microphonics	Point Source Fluxes	Ruze Envelope
Gain changes with Temperature Changes	Bandpass
ADC Correction	Saturation