摘要:
A universal SMIF pod interface and wafer cassette transfer apparatus (100) may be configured either as an indexer or as a load port opener. The apparatus includes both a port plate (102) having a central opening (175), and a port door (104) fitting within and sealing the central opening when no pod is present. The apparatus further includes a linear drive screw (120), a motor (114), and transmission (118, 124, 122) for rotating the linear drive screw. A carriage (128) is translatable vertically by means of the linear drive screw. As an indexer, the port plate mounts to the carriage so that the port plate is movable vertically, above the stationary port door. As a load port opener, the port door is mounted to the carriage so that the port door is movable vertically, below the stationary port plate.
摘要:
An ergonomic loading assembly (100) for an I/O port onto which a bare cassette may be easily loaded and unloaded isolates the operator and the I/O port after loading of a cassette to minimize safety risks and to minimize the amount of particulates and contaminants around the workpieces while on the port. The loading assembly (100) includes a cover assembly having a stationary cover section around the port plate (102), and two pivoting cover sections (112, 114) which open and close like jaws to allow a cassette to position within the cover assembly when opened and which enclose the cassette within the cover assembly when closed. The loading assembly further includes a pivoting deck (122) onto which the cassette is loaded when the pivoting cover sections are open. As the pivoting cover sections are closed, the pivoting deck rotates the cassette and seats the cassette on the port door of the port with the workpieces positioned in a horizontal orientation.
摘要:
A wafer transport mechanism is disclosed capable of transferring workpiece cassettes (123) between lot boxes (130) and SMIF pods (116). The transport mechanism includes a frame (102) having a first support platform (114) on a first side of the frame for supporting a SMIF pod, and a second support platform (128) on a second side of the frame for supporting a lot box. The frame further includes a carrier transfer mechanism (112) which resides completely within the frame when in a home position. The transfer mechanism includes an arm (134) and a gripper (136) pivotally mounted to the arm. Once a SMIF pod and lot box are seated on their respective support platforms, the transfer mechanism transfers a cassette between the two containers.
摘要:
A transport system for transporting articles including a conveyor system (14) having a director (52, 70, 100). The conveyor system includes a drive rail (32) and a support rail (34) for supporting a transport carrier (12).
摘要:
A wafer mapping system is disclosed mounted to the port door (22) of a process tool (20). As the port door, is lowered away from the access port (24) of the process tool in order to allow wafer (25) transfer through the port, the wafer mapping system according to the present invention detects the presence and position of the various wafers in the pod shell (32), which information may then be stored in memory for later use. As such, wafer mapping according to this system occurs without additional processing steps or time. The port door is lowered by a servo driver which allows the precise position of the port door to be identified at any given time. As such, the position of a wafer within the pod shell may be precisely identified by the wafer mapping system mounted on the port door as the door is lowered.
摘要:
A system for opening and closing the port door (116) from the inside of an I/O mini-environment in a wafer processing system that can also store the door within the mini-environment. The system utilizes various gripping attachment (128) means which can be installed on the back of a robotic end effector (125). The end effector (125) can have various gripping means such as magnetic, vacuum, or electroactuating which cause the door to disengage from its sealing position.
摘要:
A transfer system (10) for moving one or more articles (12) between a conveyor (14) and a station (16). The system (10) includes a transfer assembly (10) having a lifting mechanism (62) configured to engage the article (12) as it is carried by the conveyor (14), lift the article (12) to a raised position above the support (60) and lower the article (12) from the raised position to the conveyor (14). The assembly (10) also includes a displacement device (114) configured to move the article (12) from the raised position to a station (16), position the article (12) at the station (16), and return the article (12) from the station (16) to the raised position above the conveyor (14). The system (10) also includes the method of transferring an article (12) between a conveyor (14) having a pair of spaced rails (116) and a station (16) positioned to one side of the conveyor (14). The method includes engaging the underside of the article (12) between the rails (116) and lifting the article (12) to a raised position and moving the article (12) in a direction perpendicular to the conveyor (14) between the raised position and a position vicinal the station (16).
摘要:
A system for providing uniform, controlled and efficient purge gas flow rates and gas flow patterns for removing contaminants and/or particules from wafers within a pod (21). The purge system includes seals at the interfaces between the gas inlet and removal lines (23, 25) to substantially prevent leakage at the interfaces.
摘要:
A transfer system (10) and method (figure 16) for moving an article (12) between a conveyor (14) and a workstation (16). The transfer system (10) includes an elevator system (60) having a lift device (64) configured to engage the article carried by a conveyor (14) and raise the article (12) above the conveyor (14). The lift device (64) is movable between a stand-by position with the lift device (64) positioned for the movement of articles (12) past the lift device (64) along the conveyor (14), and an actuated position with the lift device holding the article (12) above the conveyor. The transfer system (10) also includes a support assembly (62) for supporting the article (12) vicinal a workstation. The support assembly (62) including a shelf (120) for retaining the article (12) at the workstation (16) and a displacement mechanism (126) for moving the shelf (120) between the conveyor (14) and the lift device (64). The method (figure 16) includes moving a support (62) to engage the article (12) and lift the article (12) above the conveyor (14), extending a load port shelf (120) to the conveyor (14) and inserting the shelf (120) between the article (12) and the conveyor (14). After the shelf (120) is extended, the method (figure 16) includes moving the support (62) to deposit the article (12) onto the shelf (120), and after the step of moving the support (62), the method (figure 16) includes retracting the shelf (120) to the load port (22).