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Materials SciencesLaminates and Composite Materials

Non-Thermal Process for Annealing Crystalline Materials

Authors: Charles K. Manka; Jacob Grun; Billy C. Covington; David W. Donnelly; DEPARTMENT OF THE NAVY WASHINGTON DC
Abstract:
Bulk crystalline materials are annealed by introducing into them mechanical energy of sufficient intensity to create a large amplitude sound wave. The mechanical energy may be introduced into the material, for example, by laser ablation. Where the bulk crystalline material is a doped semiconductor, the process also electrically activates the material.

Description: Patent, Filed 26 Jun 1996, patented 14 Dec 1999
Pages: 8
Report Date: 14 DEC 1999
Report Number: D256910

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Keywords relating to this report:
*Bulk materials
*CRYSTALS
*MATERIALS
*MECHANICAL ENERGY
*PATENTS
ABLATION
AMPLITUDE
ANNEALING
COMPOSITE MATERIALS
DOPING
ELECTRICAL PROPERTIES
ION IMPLANTATION
LASER BEAMS
SEMICONDUCTOR DEVICES
SOUND WAVES
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