DEVICE FOR THERMAL AND MECHANICAL PROTECTION OF OBJECT Russian patent published in 2006 - IPC G12B17/06 H05K7/20 F16L59/02 B64C1/38 

Abstract RU 2269170 C1

FIELD: engineering of equipment for protecting microelectronic information registers, can possibly be used for engineering of onboard flight information storage devices for airplanes and helicopters.

SUBSTANCE: device for thermal and mechanical protection of object allows to maintain safety of microelectronic register under effect from combined external destructive factors: mechanical impacts, overloads, vibration effects, static pressure, and also fire-based factors with time of effect up to one hour with all-around fire enveloping at temperature up to 1100°C. Aside from that, invention provides for safety of accumulated information after long, up to 10 hours, effect of smoldering burning at temperature up to 260°C. protection of microelectronic equipment from effect of destructive factors, in accordance to invention, is realized by using multi-layer casing, containing serially positioned in depth direction protective layers: external, intermediate and internal, and also biomorphic heat-protection cover on the outside surface of external layer, while each layer and cover perform certain protective function. Biomorphic heat-protective cover, meant for passive heat protection of protected object, provides aforementioned protection due to significant increase of volume and porosity level of cover material under effect from flames, leading to substantial increase of thickness and heat resistance of cover. External layer is meant for providing impact and fire resistance of protective cover due to high mechanical and heat resistance of metals used to manufacture external layer. Intermediate layer meant for passive heat protection of preserved object, realizes functions of heat isolator due to low heat conductivity of fire-resistant dry porous material forming this layer. Internal layer realizes active heat protection of microelectronic register. To reach aforementioned goal it is formed of crystalline compositions, containing crystallization water - crystalline hydrates, under effect from external heat consuming external heat and thus during whole time of heat-caused dehydration upholding temperature inside protected volume to be below temperature of heat decomposition of crystalline hydrate. To increase efficiency of heat protection, internal layer on both sides is covered by metallic heat-reflective inserts and it is formed of no less than two crystalline hydrates with different dehydration temperatures.

EFFECT: increased efficiency.

1 dwg

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RU 2 269 170 C1

Authors

Furmakov Evgenij Fedorovich

Petrov Oleg Fedorovich

Maslov Jurij Viktorovich

Dates

2006-01-27Published

2004-09-21Filed