A glass substrate transfer system and a robot arm thereof are provided. A method for manufacturing an antenna window including a patch as above is also provided, the method including determining a thickness of the aluminum layer adjacent to an anodized aluminum layer. The connector detect module transmits a GEN_PRESENT signal to the modem when a current flows through the first cable connector, the generator connector, the jumper, the generator connector, and the first cable connector. The solids act as a secondary filter prior to contact of the liquid with the ultra-filtration filters. Finally, the monetary measure for the good are modeled based upon the selected monetary values for each technology.