Apparatus for manufacturing microcrystal particles and manufactu

Chemical apparatus and process disinfecting – deodorizing – preser – Chemical reactor – With means applying electromagnetic wave energy or...

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20415741, 204902, C01B 3302

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active

054259223

ABSTRACT:
The present invention discloses an apparatus and method for producing microcrystal particles by irradiating pulse laser beam on raw material gas and causing the raw material gas to generate dielectric gas breakdown. The apparatus includes a laser oscillator for generating the pulsed laser beam, a reactor in which the raw material gas is activated and dissociated by irradiating the pulsed laser beam, and cohered to the microcrystal particles by generating luminescence, and a control device for controlling the laser oscillator to establish a pulse spacing of the pulse laser beam larger than a duration defined as a time during which the activated and dissociated raw material gas completes cohesion and turns into the microcrystal particles in the reactor.

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patent: 4270997 (1981-06-01), Merritt
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patent: 4604274 (1986-08-01), Zavelovich et al.
patent: 4622115 (1986-11-01), O'Neill
patent: 4702808 (1987-10-01), Lemelson
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"Application of CW-Co.sub.2 laser to production process of Si-fine particles" by S. Endo which is summary print 89-5 for the 2nd Design and Development of Fine Particles Material in Riken Symposium (Jul. 20, 1987) under the auspices of Institution of Physical and Chemical Research.
"Generation of ceramic microcrystal particles by a pulsed laser" by T. Ohyama.

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