| Size | 8 inch Nominal wafer/chamber size context. |
|---|---|
| Item noun | Clamp ring Ring used to clamp or retain chamber/process hardware. |
| Process wording | SNNF, Ti, R/E exclusion Application/material wording repeated in evidence; exact process context should be verified. |
A chamber ring is a shaped process-area component used around wafers, electrodes, shields, or chamber openings.
Rings influence plasma confinement, edge exclusion, process uniformity, and protection of more expensive chamber hardware.
High-performance polyimide used in some confinement or insulating ring applications.
High-purity ceramic material often used where thermal and plasma compatibility are important.
Metals used in PVD-related chamber hardware when process compatibility requires them.
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eBay response captured — Checked Oct 2, 2026 16:22 UTC
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eBay response captured — Checked Oct 2, 2026 16:22 UTC
Availability has not been rechecked; current availability is unknown.
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View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 2, 2026 16:22 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBayObserved public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 2, 2026 16:22 UTC
Availability has not been rechecked; current availability is unknown.
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eBay response captured — Checked Oct 2, 2026 16:01 UTC
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Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 8 | 1699.9500 | 2000.0000 | 1937.4925000000000000 |
Amounts without an established currency are retained in the history below and excluded from monetary comparisons. Bids, public listing prices and accepted amounts are distinct; no currency conversion is applied.
| Time recorded | Listing | Observation | Public price | Recorded acceptance |
|---|---|---|---|---|
| Sep 8, 2026 10:33 UTC | Applied Materials (AMAT) 0020-22660 CLAMP RING 8" SNNF, TI, R/E EXCLUSION NEW | Completed listing price | 1699.95 (currency not captured) | Not established |
| May 19, 2023 00:39 UTC | AMAT Applied Materials 0020-22660 8" Clamp Ring SNNF R/E Exclusion Refurbished | Completed listing price | 2004.21 (currency not captured) | Not established |
| Aug 14, 2020 04:49 UTC | Applied Materials (AMAT) 0020-22660 CLAMP RING 8" SNNF, TI, R/E EXCLUSION | Completed listing price | 215 (currency not captured) | Not established |
Public listing prices, direct recorded sale prices and recorded accepted Best Offer amounts remain distinct. Quantities are source estimates. No aggregate sales total or average is inferred.
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eBay response captured — Checked Sep 20, 2026 16:06 UTC
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