Methods for making and using high explosive fills for MEMS...

Details Methods for making and using high explosive fills for MEMS... Methods for making and using high explosive fills for MEMS...

2011-06-28

2011-06-28

McDonough, James E (Department: 1731)

Explosive and thermic compositions or charges

Containing nitrated organic compound

Nitrated acyclic, alicyclic or heterocyclic amine

C149S088000, C149S108800, C149S109400

Reexamination Certificate

active

07967929

ABSTRACT:
Secondary crystalline high explosives are disclosed which are suitable for filling very small volume loading holes in micro-electric initiators for micro-electro-mechanical mechanisms (MEMS), used as safe and arm (S&A) devices. The explosives are prepared by adding the such a high explosive to an aqueous first volatile mobile phase, adding such a high explosive to a non-aqueous second volatile mobile phase, mixing the first and second volatile mobile phases and then loading the combined phases into the MEMS device and allowing the aqueous and non-aqueous solvents to evaporate depositing the high explosive. Enhanced adhesion between the deposited high explosive and enhanced rheological properties can be obtained by adding a polymeric binder to both mobile phases.

REFERENCES:
patent: 3698316 (1972-10-01), Evans
patent: 7052562 (2006-05-01), Stec et al.

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