Patent ID: 9562288
Date: 2017-02-07
CPC Classifications: C23C

Claim:
1. A method of automatically introducing air sensitive liquid chemical to a substrate in a closed chemical vapor deposition system comprising: providing a moisture-free cartridge containing a defined dosage of specific liquid chemical for a chemical vapor deposition process; providing a closed extraction mechanism to extract the liquid chemical from the cartridge; providing a mounting slot in a chemical introduction system configured to receive the cartridge that matches the mounting slot; providing a cartridge securing mechanism above the mounting slot that is movable in a vertical direction to secure the cartridge during liquid chemical extraction; providing an extraction lance attached to a separate lower linear mechanical actuator below the mounting slot that is movable in a vertical direction to extract liquid chemical from the cartridge; providing a chemical collection block to collect the extracted liquid chemical; and vaporizing and delivering active ingredients in the extracted liquid chemical to a treatment chamber of the chemical vapor deposition system.