Apparatus and method for dispensing materials into a melt composition专利检索-液相外延微电子学专利检索查询-专利查询网

Apparatus and method for dispensing materials into a melt composition

阅读：273发布：2021-11-02

专利汇可以提供Apparatus and method for dispensing materials into a melt composition专利检索，专利查询，专利分析的服务。并且A simplified dispenser assembly for dispersing precision measured quantities of materials to single crystal growing systems such as liquid phase epitaxy deposition systems is disclosed. The dispenser assembly includes a vertically mounted, funnel-shaped container with an opening in its apex having a fine mesh screen thereover. The screen is used for metering the metal material through the opening in the base of the funnel and into the melt composition utilized in a liquid phase epitaxy deposition system. The container is supported by a tripod arrangement connected to a rod for lowering and raising the dispenser assembly.，下面是Apparatus and method for dispensing materials into a melt composition专利的具体信息内容。

权利要求

1. A dispenser assembly comprising: a container having an opening and means for accommodating material to be precisely dispensed; said container having an inverted cone-shaped configuration with said opening at the apex thereof; porous means adjacent said opening whereby said porous means may be selectively sealed for holding material in either the solid or the liquid state and selectively unsealed to permit said material to be dispensed through said opening of said container: means for supporting said container; said means for supporting said container consisting of a plurality of arms attached to said container, a vertical arm connected to said plurality of arms, a cross member connected to said vertical arm, and a hollow rod for lowering and raising said container fitted over said vertical arm and attached thereto so that said cross bar acts as a stop for said hollow rod.

2. The dispenser assembly recited in claim 1 wherein said porous means consists of a fine mesh screen material.

3. A method of dispensing materials into a molten melt by means of a porous container comprising the steps of positioning said porous container adjacent said molten melt; immersing said porous container in said molten melt; removing said porous container from said molten melt with a coating of the material in said molten melt thereon; pErmitting said coating of molten melt to solidify and form a sealing coat on said porous container; adding a precision measured quantity of material to said coated container; lowering said coated container with said material therein into said molten melt; and permitting heat from said molten melt to melt said sealing coat from said porous container whereby said measured quantity of material is dispensed through said porous container into said molten melt.

4. The method recited in claim 3 including the step of adding a second material having a lower melting point than said measured quantity of material over said measured quantity of material whereby said measured material is flushed through said porous container into said molten melt preventing the rapid escape of gases.

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