High throughput chemical mechanical polishing system
First Claim
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1. A polishing system comprising:
- a polishing module;
a cleaner; and
a robot having a range of motion sufficient to transfer substrates between the polishing module and cleaner, the polishing module comprising;
at least two polishing stations, wherein the at least two polishing stations each have a platen assembly configured to support a polishing pad;
at least one load cup; and
at least four polishing heads, wherein each of the polishing heads is configured to move independently between each of the at least two polishing stations and the at least one load cup, andwherein the at least four polishing heads are coupled to an overhead circular track.
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Abstract
Embodiments of a system and method for polishing substrates are provided. In one embodiment, a polishing system is provided that includes a polishing module, a cleaner and a robot. The robot has a range of motion sufficient to transfer substrates between the polishing module and cleaner. The polishing module includes at least two polishing stations, at least one load cup and at least four polishing heads. The polishing heads are configured to move independently between the at least two polishing stations and the at least one load cup.
51 Citations
12 Claims
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1. A polishing system comprising:
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a polishing module; a cleaner; and a robot having a range of motion sufficient to transfer substrates between the polishing module and cleaner, the polishing module comprising; at least two polishing stations, wherein the at least two polishing stations each have a platen assembly configured to support a polishing pad; at least one load cup; and at least four polishing heads, wherein each of the polishing heads is configured to move independently between each of the at least two polishing stations and the at least one load cup, and wherein the at least four polishing heads are coupled to an overhead circular track. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A polishing system comprising:
a polishing module comprising; at least two polishing stations, wherein the at least two polishing stations each have a platen assembly configured to support a polishing pad; at least two load cups; a plurality of carriers coupled to an overhead circular track disposed over the at least two polishing stations, the carriers independently rotatable along the overhead track; and at least two polishing heads, each polishing head coupled to a respective one of the carriers, wherein the carriers are configured to independently position the polishing heads over each of the at least two polishing stations and the at least two load cups. - View Dependent Claims (8, 9, 10, 11, 12)
Specification