| Item noun | Shadow ring Repeated identity. |
|---|---|
| Size | 200 mm Repeated nominal size. |
| Material | Quartz / Si quartz Quartz wording appears; exact material/coating should be verified. |
| Feature | Notch/self-align Appears in several descriptions. |
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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Observed public listing price, not an accepted sale amount.
eBay response captured — Checked Oct 13, 2026 16:15 UTC
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eBay response captured — Checked Oct 9, 2026 16:17 UTC
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Best Offer · Buy It Now
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eBay response captured — Checked Oct 18, 2026 16:08 UTC
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Best Offer · Buy It Now
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| Currency | Price basis | Records | Minimum | Maximum | Mean |
|---|---|---|---|---|---|
| USD | Observed public listing prices | 3 | 452.8900 | 1092.0000 | 814.9633333333333333 |
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 |
|---|---|---|---|---|
| Nov 15, 2024 14:07 UTC | 0200-39346 / RING - SHADOW 200 MM SNNF SI QUARTZ / APPLIED MATERIALS AMAT | Completed listing price | 565.95 (currency not captured) | Not established |
| Nov 25, 2023 16:32 UTC | APPLIED MATERIALS 0200-39346 eMxP+ QUARTZ SHADOW RING AMAT *CLEANED* | Completed listing price | 479 (currency not captured) | Not established |
| Jun 21, 2020 00:00 UTC | AMAT 0200-39346 SHADOW RING, 200MM, NOTCH(2) SELF | Completed listing price | 495 (currency not captured) | Not established |
| May 18, 2020 12:46 UTC | Shadow Ring 200mm notchself align 0200-39346 | Completed listing price | 507.2 (currency not captured) | Not established |
| Nov 19, 2016 11:18 UTC | AMAT 0200-39346 SHADOW RING, 200MM, NOTCH(2) SELF | Completed listing price | 25 (currency not captured) | Not established |
| Sep 15, 2016 16:04 UTC | AMAT 0200-39346 SHADOW RING, 200MM, NOTCH(2) SELF | Completed listing price | 25 (currency not captured) | Not established |
| Jul 5, 2016 20:01 UTC | AMAT 0200-39346 SHADOW RING, 200MM, NOTCH(2) SELF | Completed listing price | 25 (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
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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.
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.
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