| Item noun | Clamp ring / lower shield clamp ring Repeated identity. |
|---|---|
| Material | SST Stainless steel abbreviation appears repeatedly. |
| Revision wording | Rev 003 / lower clamp TWAS Some revision/application wording appears but exact configuration is not fully confirmed. |
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.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
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Observed public listing price, not an accepted sale amount.
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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 | 4 | 350.6800 | 2500.0000 | 987.6700000000000000 |
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 |
|---|---|---|---|---|
| Oct 6, 2025 14:46 UTC | 0020-48304 / SST CLAMP RING 20-48304 / APPLIED MATERIALS AMAT | Completed listing price | 500.88 (currency not captured) | Not established |
| Jul 21, 2024 04:56 UTC | Applied Materials Lower Shield Clamp Ring 0020-48304 | Completed listing price | 570 (currency not captured) | Not established |
| Feb 9, 2020 07:04 UTC | AMAT / Applied Materials 0020-48304 REV 003 SST Clamp Ring | Completed listing price | 600 (currency not captured) | Not established |
| Dec 9, 2018 12:14 UTC | AMAT APPLIED MATERIALS 0020-48304 REV 003 LOWER CLAMP TWAS | Completed listing price | 420 (currency not captured) | Not established |
| Feb 12, 2015 11:43 UTC | AMAT / Applied Materials 0020-48304 REV 003 SST Clamp Ring | Completed listing price | 600 (currency not captured) | Not established |
| Dec 19, 2014 12:52 UTC | AMAT Applied Materials 0020-48304 Clamp Ring Lower Shield SST W/ CI Revision 003 | Completed listing price | 902.76 (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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Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
View on eBayLegacy public listing price; currency may not have been captured.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Best Offer lookup was not verified; no accepted-price claim is made.
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