Claims
- 1. An initiator explosive for detonating a second explosive comprising:
nanocrystalline silicon containing a plurality of pores; and a solid state oxidant disposed within said pores.
- 2. The explosive of claim 1 wherein said solid-state oxidant comprises a nitrate salt.
- 3. The explosive of claim 3 wherein said nitrate is selected from the group consisting of sodium nitrate, potassium nitrate, ammonium nitrate, magnesium nitrate, calcium nitrate, and gadolinium nitrate.
- 4. The explosive of claim 1 wherein said solid-state oxidant comprises a perchlorate salt.
- 5. The explosive of claim 4 wherein said perchlorate salt is selected from the group consisting of sodium perchlorate, potassium perchlorate and lithium perchlorate.
- 6. The explosive of claim 1 wherein said solid-state oxidant comprises a fluoride salt.
- 7. The explosive of claim 6 wherein said fluoride salt is selected from the group consisting of potassium fluoride, potassium hexafluorophosphate, and sodium tetrafluoroborate.
- 8. The explosive of claim 1 wherein said solid state oxidant comprises a solid state oxidant selected from the group consisting of PETN, a metal azide, and TNT.
- 9. The explosive of claim 1 wherein said solid-state oxidant is baked into the pores of said porous nanocrystalline silicon.
- 10. The explosive of claim 1 wherein said nanocrystalline silicon comprises a nanowire.
- 11. The explosive of claim 1 wherein said nanocrystalline silicon comprises a thin film.
- 12. The explosive of claim 1 wherein said nanocrystalline silicon comprises a powder.
- 13. A silicon-based chemical sensor device for detecting the presence of a target analyte comprising:
a porous nanocrystalline substrate; and gadolinium nitrate.
- 14. A method for detecting a target analyte comprising:
providing a porous nanocrystalline substrate; selecting an oxidant; combining the oxidant with the porous nanocrystalline substrate; absorbing a predetermined amount of the target analyte on the porous nanocrystalline substrate; igniting the porous nanocrystalline substrate containing the target analyte and the oxidant; and measuring an emission spectrum for the presence of the target analyte.
- 15. The method of claim 14 further comprising providing a porous nanocrystalline substrate in the form of a thin film.
- 16. The method of claim 14 further comprising selecting a solid-state oxidant.
- 17. The method of claim 14 further comprising selecting the oxidant to be gadolinium nitrate.
- 18. The method of claim 14 further comprising baking the oxidant with the nanocrystalline substrate so that the oxidant is baked into pores of the porous nanocrystalline substrate.
- 19. The method of claim 14 further comprising absorbing from between approximately 1 and 10 micro liters.
- 20. The method of claim 14 further comprising igniting by resistively heating a silicon filament.
- 21. The method of claim 14 further comprising photographing the emission spectra.
- 22. The method of claim 21 further comprising subjecting the photograph to spectrometry analysis.
- 23. The method of claim 14 further comprising absorbing a predetermined amount of a solution containing the target analyte on the porous nanocrystalline substrate.
- 24. The method of claim 14 further comprising absorbing a predetermined amount of ambient gas containing the target analyte on the porous nanocrystalline substrate.
- 25. The method of claim 14 further comprising absorbing a predetermined amount of ambient liquid containing the target analyte on the porous nanocrystalline substrate.
- 26. The method of claim 14 further comprising absorbing a predetermined amount of ambient particulate matter containing the target analyte on the porous nanocrystalline substrate.
- 27. A method for initiating an explosive reaction comprising:
creating a bridge wire composed of porous silicon; coupling the bridge wire to an explosive; and heating the bridge wire.
- 28. A propulsion system for a MEMS device comprising:
at least one silicon-based explosive unit that includes a solid state oxidant wherein said explosive unit is configured to be a cap.
REFERENCE TO RELATED APPLICATION AND PRIORITY CLAIM
[0001] This application is related to pending provisional application Serial No. 60/432,112, filed on Dec. 10, 2002, and claims priority from that provisional application under 35 U.S.C. § 119. Provisional application Serial No. 60/432,112 is incorporated herein by reference in its entirety.
Provisional Applications (1)
|
Number |
Date |
Country |
|
60432112 |
Dec 2002 |
US |