Crucibles Patents Results - GlobalSpec

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We found these Patents Results for: Crucibles

Engineering Patents: 1 - 10 of 1,488

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Gallium arsenide crystal growth Crack-free, semi-insulating GaAs crystals having low dislocation density are grown from presynthesized undoped GaAs meltstock in sealed quartz (vitreous silica) crucibles, without the need for an ... View Patent Detail from MicroPatent
Installation for placing crucibles in melting furnaces View Patent Detail from MicroPatent
Double crucible Czochralski crystal growth apparatus ... crucible contains an extra volume or reservoir of semiconductor melt when flow of semiconductor melt from the outer crucible into the inner crucible through means interconnecting the crucibles ceases. ... View Patent Detail from MicroPatent
METHOD FOR COMBINING METALS WITH DIFFERENT MELTING POINTS The first and second metals are melted in separate crucibles. The second molten metal is introduced onto or into the first molten metal. Also described is a two-zone furnace for carrying out the ... View Patent Detail from MicroPatent
Barrier design for crucibles for silicon dendritic web growth This invention delineates a multiple barrier design for separating the feed compartment (12) from the growth compartment (13) in crucibles (10) used for silicon dendritic web growth. The use of the ... View Patent Detail from MicroPatent
Evaporator device for the evaporation of several materials ... heating device for the vaporization of several materials onto a substrate in a vacuum chamber includes at least two crucibles for the reception of respective evaporation materials. These crucibles are ... View Patent Detail from MicroPatent
Apparatus for controlling flow of molten material between crystal growth ... ... a melt of the material from which the boules are to be grown is communicated either intermittently or continuously with a plurality of growth furnaces. The melt level in all of the growth crucibles is ... View Patent Detail from MicroPatent
Float melting apparatus and method employing axially movable crucibles View Patent Detail from MicroPatent
Copper vapor lasers In a copper vapor laser, individual copper loads are each placed in a respective ceramic crucible and the crucibles are spaced apart at intervals along the length of the laser discharge tube. Patent ... View Patent Detail from MicroPatent
Mixed sample moisture or ash analyzer ... an aperture in the carousel for holding the crucibles is aligned with the opening. At appropriate points during the testing cycle, individual crucibles are automatically deposited on a weighing ... View Patent Detail from MicroPatent

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