| Component type | Cover ring |
|---|---|
| Referenced process context | Cu / CSP / Endura Context appears in the evidence but should be verified for exact chamber compatibility. |
| Wafer size context | 300 mm |
|---|---|
| Material marking | SST Likely stainless steel; verify material marking or OEM documentation. |
| Referenced revision | Rev 008 A revision is referenced; match required revision when replacing. |
|---|
A ring-shaped chamber component used around the wafer or process area to control shielding, spacing, containment, or deposition exposure.
Ring geometry, wafer size, material, coating, and process family can affect particle control, process uniformity, and fit in the chamber kit.
Stainless steel, when specified, is used for corrosion resistance and mechanical durability.
Likely titanium nitride when used in PVD/chamber context; verify coating/material marking before use.
Product reference only. Confirm fitment, revision, included components, and specifications before purchase.
No public documents were listed for this part when captured.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 15, 2026 16:00 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 10, 2026 16:14 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 10, 2026 16:14 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 5, 2026 16:16 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 1, 2026 16:09 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
View on eBay0 matching listings.
No active-status direct listings are shown on this page.
Auction listing history. Direct marketplace listings are shown separately.
| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 8 | 650.0000 | 2436.6100 | 1490.2350000000000000 |
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 10, 2026 01:46 UTC | 0021-17770 / COVER RING, 300MM SST / APPLIED MATERIALS AMAT | Completed listing price | 2436.61 (currency not captured) | Not established |
| Jul 27, 2026 18:14 UTC | 0021-17770 / COVER RING, 300MM SST / APPLIED MATERIALS AMAT | Completed listing price | 1973.65 (currency not captured) | Not established |
| Jul 19, 2026 09:17 UTC | 0021-17770 / COVER RING, 300MM SST / APPLIED MATERIALS AMAT | Completed listing price | 2046.75 (currency not captured) | Not established |
| Jan 4, 2023 23:05 UTC | 27823 APPLIED MATERIALS COVER RING, 300MM SST 0021-17770 | Completed listing price | 799 (currency not captured) | Not established |
| Mar 4, 2022 02:22 UTC | 119-0201// AMAT APPLIED 0021-17770 COVER RING, 300MM SST NEW | Completed listing price | 1900 (currency not captured) | Not established |
| Dec 21, 2020 08:56 UTC | AMAT / Applied Materials 0021-17770 Rev 008 Cover Ring | Completed listing price | 270 (currency not captured) | Not established |
| Dec 14, 2020 17:03 UTC | AMAT Applied Materials 0021-17770 Cover Ring 300mm New | Completed listing price | 1511.19 (currency not captured) | Not established |
| Dec 12, 2020 18:06 UTC | AMAT / Applied Materials 0021-17770 Rev 008 Cover Ring | Completed listing price | 270 (currency not captured) | Not established |
| Aug 27, 2019 14:45 UTC | AMAT / Applied Materials 0021-17770 Cover Ring | Completed listing price | 300 (currency not captured) | Not established |
| Dec 9, 2018 12:14 UTC | AMAT APPLIED MATERIALS XDK 0021-17770 COVER RING TWAS | Completed listing price | 420 (currency not captured) | Not established |
| Dec 9, 2018 12:14 UTC | AMAT APPLIED MATERIALS 0021-17770 CHAMBER KIT CU CSP RING COVER | Completed listing price | 300 (currency not captured) | Not established |
| Aug 8, 2018 20:29 UTC | AMAT / Applied Materials 0021-17770 Cover Ring | Completed listing price | 300 (currency not captured) | Not established |
| Feb 12, 2015 11:43 UTC | AMAT / Applied Materials 0021-17770 Rev 008 Cover Ring | Completed listing price | 300 (currency not captured) | Not established |
| Dec 19, 2014 12:53 UTC | AMAT 0021-17770 Rev 008 Cover Ring 300mm SST AMAT Endura 300mm new surplus | 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.
Prices and availability may change. Confirm details with the seller.
Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 15, 2026 16:12 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 Aug 31, 2026 16:18 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 Aug 30, 2026 16:03 UTC
Availability has not been rechecked; current availability is unknown.
Best Offer · Buy It Now
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.
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.
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 eBayOriginal public listing price is shown separately from recorded accepted amounts.
Legacy record; no enhanced status check captured
Check time or freshness is unknown; current availability is unknown.
Acceptance recorded by the source; fulfillment is not verified. Availability has not been rechecked; current availability is unknown. Checked Aug 22, 2026 18:17 UTC.
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.
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.
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.
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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