摘要:
Embodiments of the invention generally provide a method and apparatus for cleaning an electrical contact in an electrochemical mechanical planarizing apparatus. In one embodiment, a method for cleaning a contact assembly in an electroprocessing apparatus includes the steps of draining electrolyte from the contact assembly and flowing a rinsing fluid into the contact assembly. In another embodiment, a method for cleaning a contact assembly in an electroprocessing apparatus includes the steps of preventing fluid from passing between an interface of the contact assembly and a pad disposed outward thereof, flowing a rinsing fluid into the contact assembly and draining fluid flowing out of the contact assembly.
摘要:
A composition for rinsing a substrate including deionized water, one or more carboxylate acid containing compounds, one or more surfactants, and one or more corrosion inhibitors and a method of using the same is provided. Also a method for rinsing a substrate between exposure to platens including moving the substrate from a first platen to a second platen and exposing the substrate to a rinse solution comprising one or more carboxylate acid containing compounds, one or more surfactants, and one or more corrosion inhibitors.
摘要:
Embodiments of the invention generally provide a method and apparatus for processing a substrate in an electrochemical mechanical planarizing system. In one embodiment, a contact assembly for electrochemically processing a substrate includes a housing having a ball disposed in a passage formed through the housing. The ball is adapted to extend partially from the housing to contact the substrate during processing. The housing comprises a conductive material. In another embodiment, the housing comprises a lower housing and a contact cover wherein the contact cover comprises a conductive material.
摘要:
A retaining ring for chemical mechanical polishing is described. The ring has a bottom surface with non-intersecting grooves. Alternating grooves are at opposing angles to one another.
摘要:
A polishing method includes positioning two substrates in contact with the same polishing pad. Prior to commencement of polishing and while the two substrates are in contact with the polishing pad, two starting values are generated from an in-situ monitoring system. Either a starting polishing time or a pressure applied to one of the substrates can be adjusted so that the two substrates have closer endpoint conditions. During polishing the two substrates are monitored with the in-situ monitoring system to generate a two sequences of values, and a polishing endpoint can be detected or an adjustment for a polishing parameter can be based on the two sequences of values.
摘要:
A retaining ring for chemical mechanical polishing is described. The ring has a bottom surface with non-intersecting grooves. Alternating grooves are at opposing angles to one another.
摘要:
A method and apparatus for the removal of a deposited conductive layer along an edge of a substrate using a power ring configured to electro polish an edge of the substrate are provided. The electro polishing of the substrate edge may occur simultaneously with the electrochemical mechanical processing of a substrate face. In certain embodiments a method of electrochemically polishing a substrate having a conductive material disposed thereon is provided. A substrate is coupled with a carrier head comprising a power ring which surrounds an edge of the substrate, wherein the edge of the substrate includes the conductive material. A polishing pad is contacted with a face of the substrate. A first voltage is applied to the power ring to remove conductive material from the edge of the substrate. A second voltage different from the first voltage is applied to the polishing pad to remove a portion of the conductive material from the face of the substrate.