Reduced capacity carrier and method of use
First Claim
Patent Images
1. A substrate transport apparatus comprising:
- a casing adapted to form a controlled environment therein, the casing having supports therein each configured for holding a substrate where at least one substrate is held in the casing, and the casing including a load port interface defining a substrate transfer opening through which a substrate transport system accesses the at least one substrate in the casing, the load port interface being a single-plane interface for coupling the casing to a load port such that casing to load port alignment is determined in at least two orthogonal axes by only the single-plane interface, the single-plane interface being arranged substantially perpendicular to the supports; and
a door connected to the casing for closing the substrate transfer opening in the casing;
a controller connected to the casing;
wherein the casing has structure forming a fast swap element allowing replacement of the at least one substrate from the apparatus with another substrate independent of substrate loading in the casing and of substrate handling capacity of the substrate transport apparatus, the fast swap element includinga detector mounted within the casing, the detector being configured to identify at least a location of the at least one substrate within the supports for at least unloading the at least one substrate, anda case connector communicably connectable to the controller for allowing the controller to register data from the detector regarding the location of the at least one substrate,the controller being configured to effect substrate replacement with the fast swap element independent of original substrate placement in the supports.
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Abstract
A substrate transport apparatus is provided. The apparatus has a casing and a door. The casing is adapted to form a controlled environment therein. The casing has supports therein for holding at least one substrate in the casing. The casing defines a substrate transfer opening through which a substrate transport system accesses the substrate in the casing. The door is connected to the casing for closing the substrate transfer opening in the casing. The casing has structure forming a fast swap element allowing replacement of the substrate from the apparatus with another substrate without retraction of the substrate transport system and independent of substrate loading in the casing.
37 Citations
17 Claims
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1. A substrate transport apparatus comprising:
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a casing adapted to form a controlled environment therein, the casing having supports therein each configured for holding a substrate where at least one substrate is held in the casing, and the casing including a load port interface defining a substrate transfer opening through which a substrate transport system accesses the at least one substrate in the casing, the load port interface being a single-plane interface for coupling the casing to a load port such that casing to load port alignment is determined in at least two orthogonal axes by only the single-plane interface, the single-plane interface being arranged substantially perpendicular to the supports; and a door connected to the casing for closing the substrate transfer opening in the casing; a controller connected to the casing; wherein the casing has structure forming a fast swap element allowing replacement of the at least one substrate from the apparatus with another substrate independent of substrate loading in the casing and of substrate handling capacity of the substrate transport apparatus, the fast swap element including a detector mounted within the casing, the detector being configured to identify at least a location of the at least one substrate within the supports for at least unloading the at least one substrate, and a case connector communicably connectable to the controller for allowing the controller to register data from the detector regarding the location of the at least one substrate, the controller being configured to effect substrate replacement with the fast swap element independent of original substrate placement in the supports. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A substrate transport apparatus comprising:
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a casing adapted to form a controlled environment therein, the casing being sized to hold more than one substrate therein, the casing including a load port interface defining a substrate transfer opening through which substrates are moved in and out of the casing; a door connected to the casing for closing the substrate transfer opening in the casing; holding stations located in the casing, each of which is capable of holding a substrate, at least one of the holding stations being a substrate holding station holding the substrate when the transport apparatus is in a loaded condition where at least one substrate is loaded in the substrate apparatus, and at least another of the holding stations is arranged so that it is capable of changing states between a first state where the at least another of the holding stations is a discretionary holding station so that the discretionary holding station forms a spare holding station upon mating of the casing to a load port, the discretionary holding station being capable of optionally holding another substrate when the transport apparatus is in the loaded condition and a second state where the at least another of the holding stations is not capable of optionally holding another substrate when the substrate transport is in a loaded condition, wherein each of the at least one holding station and the at least another holding station is selectably switchable between the first and second states and the load port interface being a single-plane interface for coupling the casing to a load port such that casing to load port alignment is determined in at least two orthogonal axes by only the single-plane interface, the single-plane interface being arranged substantially perpendicular to a plane of the substrate holding stations; a controller, a detector, and a case connector, the detector and case connector in communication with at least one of the holding stations for effecting switching between the first and second states, the detector being mounted within the casing, and configured to identify at least a location of the at least one substrate within the holding stations for at least unloading the at least one substrate, and the case connector being communicably connectable to the controller for allowing the controller to register data from the detector regarding the location of the at least one substrate within the holding stations and the controller is configured to cause switching of the at least one holding station and the at least another holding station between the first and second states. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17)
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Specification