Full-polymer retaining rings
Candidate constructions can be reviewed where application evidence supports an engineering-polymer ring and the interface can be qualified from non-confidential specifications, drawings or a physical sample.
Product scope
CMP retaining rings for controlled replacement qualification.
The product family is defined by the existing CMP tool and carrier head—not by a broad material catalogue.
Polymer + metal rings
Bonded, insert or other composite configurations can be considered when the construction is application-appropriate and the buyer can define qualification inputs without exposing confidential process details.
PEEK / PPS / PET
These engineering-polymer families are accepted as initial material-review inputs. Final material selection remains application-specific and must be supported by technical evidence and qualification.
200 mm / 300 mm
Wafer platform is a qualification input used to narrow the ring geometry and tool context. It is not a universal compatibility claim.