© Nexter 2014 - page 141

139
Ammunition
ii
MISSILE EQUIPMENT & COMPONENTS
Pyro-MEMS®
FUZING SYSTEMS
MISSION
The safety and Arming Unit (SAU) is one of
the key components of any ammunition.
This component triggers the warhead under
optimal conditions and guarantees the safety
level of the ammunition during its complete
life cycle. It is also used for the ignition
of the rockets motors. The Pyro-MEMS®
technology developed by Nexter Munitions
while enhancing the safety, reliability
and functionalities of the SAU’s aims at
a significant miniaturisation level. This
technology intends to replace obsolescent SAU technologies (clock mechanisms...). Thanks to its
level of miniaturisation and the expected cost benefits, the Pyro-MEMS® are compatible with
micro generic and multipurpose SAU’s which shall cover a large range of applications.
TECHNICAL CHARACTERISTICS
MEMS SAU
Mainly dedicated to mass produced ammunition (from medium to large calibers).
ESAD MEMS (Electrical Safety and Arming Devices)
Mainly dedicated to advanced warheads (focused terminal effects, scalable and programmable
warheads), SAU’s and pyromechanisms for applications such as:
• 
missiles,
• 
bombs,
• 
torpedoes,
• 
aeronautics and space applications.
STATUS
Under development.
On June 2010, the works conducted on the miniaturized SAU for fuzes: Pyro-MEMS®
have been granted by the 37
th
Prix Paul Chanson awarded by the Land Armament
Association (AAT).
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