Heating – Processes of heating or heater operation – Including preparing or arranging work for heating
Reexamination Certificate
2007-10-02
2010-10-05
Wilson, Gregory A (Department: 3749)
Heating
Processes of heating or heater operation
Including preparing or arranging work for heating
C432S247000, C414S936000
Reexamination Certificate
active
07806684
ABSTRACT:
A method of a semiconductor process is provided. The semiconductor process at least includes a first high temperature furnace process and a second high temperature furnace process. In the method, the first high temperature furnace process is performed on a first wafer boat carrying at least a wafer. Then, the second high temperature furnace process is performed on a second wafer boat carrying at least the same wafer. In addition, before the second high temperature furnace process is implemented, a moving step is performed, such that a relative position of the wafer in the first wafer boat is different from that of the wafer in the second wafer boat.
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King Justin
United Microelectronics Corp.
Wilson Gregory A
WPAT, PC
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