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Spiral springs	Hoop spring enabling great elasticity with limited outline dimensions
Capacitor dimension (thickness)	→ 0.1 to 3 mm
Manufacture capacity	→ Unit / small / medium / mass
Worked sections	→ 1 to 70 mm
Supplementary operations	→ Heat treatment→ Coating→ Machining (Drilling / Tapping)→ Riveting /soldering
Example	→ With or without spacer→ Blocked or not → With torque
Worked materials standards travaillées	→ Steel→ Copper / Cuprofor / Beryllum copper→ Stainless steel→ Bronze / Nicklafor
Specific finishes on request	→ Tribofinishing / Shot-blasting / Polishing→ Epoxy painting / Cataphoresis→ Zinc plating / Nickel plating / Phosphate treatment
Manufacturing methods	→ Tempering furnace / Deburring (vibrating) bowl