Apparatus for metering granular source material in a thin film vapor deposition apparatus

APPARATUS FOR METERING GRANULAR SOURCE MATERIAL IN A THIN FILM VAPOR DEPOSITION APPARATUS A metering mechanism is configured for transferring measured doses of a granular material from a first location to a second location, and is particularly suited for metering source material in a vapor depositio...

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1. Verfasser: LITTLE, EDWIN JACKSON
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description APPARATUS FOR METERING GRANULAR SOURCE MATERIAL IN A THIN FILM VAPOR DEPOSITION APPARATUS A metering mechanism is configured for transferring measured doses of a granular material from a first location to a second location, and is particularly suited for metering source material in a vapor deposition apparatus. A receiver is disposed to receive the granular material from the first location. A discharge port is axially offset from an outlet of the receiver. A reciprocating delivery member having a passage defined therethrough is moved in a reciprocating path by a controllable drive device between a load position wherein the passage is aligned with the receiver outlet and a discharge position wherein the passage is aligned with the discharge port. The amount of granular material transferred from the first location to the second location is a function of the volume of the passage and the reciprocating rate of the delivery member. oco -W
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A receiver is disposed to receive the granular material from the first location. A discharge port is axially offset from an outlet of the receiver. A reciprocating delivery member having a passage defined therethrough is moved in a reciprocating path by a controllable drive device between a load position wherein the passage is aligned with the receiver outlet and a discharge position wherein the passage is aligned with the discharge port. 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subjects BASIC ELECTRIC ELEMENTS
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
SEMICONDUCTOR DEVICES
title Apparatus for metering granular source material in a thin film vapor deposition apparatus
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