Stain-etched silicon powder

Details Stain-etched silicon powder Stain-etched silicon powder

2007-07-17

2007-07-17

Le, H. Thi (Department: 1773)

Stock material or miscellaneous articles

All metal or with adjacent metals

Porous

C428S402000, C428S403000

Reexamination Certificate

active

10371971

ABSTRACT:
The present invention is for a porous silicon powder comprising silicon particles wherein the outermost layers of said particles are porous. The present invention is also directed to a method of making this porous silicon powder using a stain etch method. The present invention is also directed to a method of making silicon nanoparticles from the porous silicon powders using a process of ultrasonic agitation. The present invention also includes methods of processing these silicon nanoparticles for use in a variety of applications.

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