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Hybrid Exploding Bridge Wire (HEBW)

Technology Benefits

Improvedsafety due to reduced susceptibility of device to electrical transients such aselectrostatic dischargeOutputprimarily thermal energy, with much smaller pressure wave than current technologyCompatiblewith existing EBW fire-sets

Technology Application

Military PoliceMiningand quarryingOiland gas exploration Constructionand demolition

Detailed Technology Description

Researchers at INL havedeveloped methods and systems for a safer, electrically-triggered, low-pressureinitiator for non-high explosive energetic materials. The Hybrid ExplodingBridge Wire (HEBW) system employs an air gap with the bridge wire, ensuringinitiation only occurs when a potential greater than the threshold voltage of500+ volts is applied. When the wire vaporizes, it throws hot gold particles intoa thermite pellet, which ignites the center hole of a second thermite pellet.As this second pellet burns, hot molten particles are forcefully ejectedthrough the center hole and out the end of the initiator to contact and ignitethe target energetic material, resulting in a thermal initiation with a small pressurewave. This allows for the use of loose energetic powders for the highexplosive.

Others

LICENSINGOPPORTUNITY:

IdahoNational Laboratory (INL) and its M&O Contractor Battelle Energy Alliance,LLC (BEA) are currently looking for commercialization partner(s) interested inentering into a license agreement for the purpose of commercializing thetechnology described below.

INTELLECTUALPROPERTY STATUS:

US Patent Application No. 14/049,614, “InitiationDevices, Initiation Systems Including Initiation Devices and Related Method,” filedon 10-9-13, US PatentApplication Publication US 2016/0356580 A1 published on 12/8/16, BEADocket No. BA-772.

DEVELOPMENTSTATUS:

This technology has been tested and validated at thebench scale. Additional development will be required to demonstrate a pilotscale process. BEA may be in a position to support additional research anddevelopment of this technology under a mutually acceptable Cooperative Research& Development Agreement (CRADA), Strategic Partnership Projects (SPP)agreement, or a similar agreement, all of which are subject to approval by DOE.

FactSheet: https://factsheets.inl.gov/FactSheets/hybrid-explording-bridge-wire.pdf

Country/Region

USA

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