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TODAY’S PATENT – PYROLYTIC BORON NITRIDE COATED FLASH EVAPORATOR

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TODAY’S PATENT – PYROLYTIC BORON NITRIDE COATED FLASH EVAPORATOR

The current invention Pyrolytic “boron nitride coated flash evaporator” was assigned to General Electric Company which was jointly invented John T. Mariner & Timothy J. Hejl, later was granted utility patent by the USPTO on 20th February 1996 bearing grant number. US5493630A. It consists of a graphite body which is rectangular & opposite ends with four sides each making a resistance heated evaporator. In order to create a channel that offers structural support at each end, pyrolytic boron nitride is coated over the entire surface of three of the sides at each end. Each end has at least one side that is still accessible for electrical connection to a power source.

According to the present invention, it has been found that the susceptibility of the boat to breaking can be substantially reduced by extending the pyrolytic coating over the ends of the boat on at least a portion of three of the exposed sides thereof in the form of a channel, thereby leaving open at least one side for electrical contact to a power supply.

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    Hariprasath Karunakaran

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