SiC focus rings and etch consumables
TCK (Tokai Carbon Korea)
The global No.1 (80%+ share) in consumable SiC focus rings for etch chambers, supplied indirectly to fabs via etch toolmakers Tokyo Electron, Applied Materials and Lam Research.
064760.KQ Updated Jun 21, 2026
Annual return · 2026-06-19'21-10.1%'22-16.9%'23+2.8%'24-28.7%'25+225.7%YTD+8.6%
TCK (Tokai Carbon Korea)SiC focus rings and etch consumables
▸ Money out원재료·소재 (비공개)○설비·R&D (비공개)○
Financials & Segments
- Total revenue · SiC focus rings and etch consumables
- Segments · SiC focus rings and etch consumables
Revenue from
- Tokyo Electron (TEL) High confidence· Market share >80 · 2024 · global share of SiC etch consumables
Supplies SiC focus rings and consumables to 도쿄일렉트론. - Applied Materials Medium confidence
Supplies SiC focus rings and consumables to 어플라이드 머티어리얼즈.Confirms KO DART (FSS) Published Mar 10, 2026: "DART annual report: revenue, customers and business."Confirms KO TechWorld Published Mar 1, 2025: "Supplies SiC focus rings and consumables to 어플라이드 머티어리얼즈."Confirms KO THE ELEC Published Jun 1, 2024: "Supplies SiC focus rings and consumables to 어플라이드 머티어리얼즈." - Lam Research Medium confidence
Supplies SiC focus rings and consumables to 램리서치.
Pays to
- 원재료·소재 (비공개) Low confidence
Raw materials for SiC focus rings and consumables (undisclosed).Confirms KO TechWorld Published Mar 1, 2025: "Raw materials for SiC focus rings and consumables (undisclosed)." - 설비·R&D (비공개) Low confidence
Production equipment and R&D (undisclosed).
Value-chain ripple (tiers 2–3)
Following node-to-node links up to 3 tiers; each firm is shown once, at its nearest tier.
| Company | Chain | '21 | '22 | '23 | '24 | '25 | YTD |
|---|---|---|---|---|---|---|---|
| Marvell | lead3 | +84.9 | -57.5 | +63.7 | +83.8 | -22.8 | +265.9 |
| Intel | lead3 | +6.1 | -46.6 | +94.6 | -59.6 | +84 | +263.1 |
| MediaTek | lead3 | +27.8 | -26.6 | +49 | +59.1 | +25.1 | +154.3 |
| AMD | lead3 | +56.9 | -55 | +127.6 | -18.1 | +77.3 | +150.9 |
| Astera Labs | lead3 | · | · | · | · | +25.6 | +150.7 |
| Credo Technology | lead3 | · | · | +46.3 | +245.2 | +114.1 | +88.9 |
| Global Unichip | lead3 | +21.4 | +67.6 | +99.4 | -13.7 | +101.4 | +86.3 |
| Renesas Electronics | lead3 | +8.2 | +2.4 | +88 | -13.6 | +23.8 | +83.8 |
| NXP Semiconductors | lead3 | +44.8 | -29.4 | +48.4 | -8 | +6.4 | +45.7 |
| Alchip Technologies | lead3 | +14.3 | -8.7 | +365.1 | -18.9 | +0.8 | +40.2 |
| Qualcomm | lead3 | +22.3 | -38.4 | +35.1 | +7.7 | +13.9 | +34.2 |
| Broadcom | lead3 | +56.8 | -13.4 | +104.9 | +110.9 | +50.7 | +19.3 |
| Alphabet (Google) | lead3 | +65.3 | -39.1 | +58.3 | +35.8 | +66.1 | +17.8 |
| NVIDIA | lead3 | +125.5 | -50.3 | +239 | +171.3 | +38.9 | +13.1 |
| Apple | lead3 | +34.6 | -26.4 | +49 | +30.7 | +9.1 | +9.8 |
| Amazon | lead3 | +2.4 | -49.6 | +80.9 | +44.4 | +5.2 | +5.9 |
| Sony Semiconductor Solutions | lead3 | +27.2 | -8.4 | +27.8 | +17.9 | +1 | -8.7 |
| Meta Platforms | lead3 | +23.1 | -64.2 | +194.1 | +65.9 | +13.1 | -12.3 |
| Microsoft | lead3 | +52.5 | -28 | +58.2 | +12.9 | +15.6 | -21.2 |
| SanDisk | lead2 | · | · | · | · | · | +820.4 |
| Kioxia | lead2 | · | · | · | · | +1082.1 | +408.4 |
| Micron Technology | lead2 | +24.1 | -46 | +72.1 | -1 | +240.5 | +297.6 |
| United Microelectronics (UMC) | lead2 | +43.2 | -40.3 | +39.2 | -19 | +28.8 | +206.4 |
| SK hynix | lead2 | -0.4 | -25.6 | +53.9 | +48.6 | +361.1 | +204.7 |
| GlobalFoundries | lead2 | · | -17.1 | +12.5 | -29.2 | -18.6 | +145.8 |
| Samsung Electronics | lead2 | -9 | -14.2 | +20.9 | -26.4 | +212.9 | +121 |
| ROHM | lead2 | -9 | +10.9 | +1.7 | -40.8 | +86.1 | +106.1 |
| Texas Instruments | lead2 | +17.5 | -9.9 | +6.4 | +13.1 | -4.5 | +88.3 |
| TSMC | lead2 | +12.1 | -36.8 | +42.5 | +92.9 | +56 | +53.3 |
| SMIC | lead2 | -29.6 | -7.4 | -18.3 | +169.9 | +98.4 | +1.5 |
| Applied Materials | lead1 | +83.6 | -37.5 | +68 | +1.1 | +59.6 | +140.7 |
| Lam Research | lead1 | +53.7 | -40.8 | +88.8 | -6.9 | +139.5 | +128.1 |
| Tokyo Electron (TEL) | lead1 | +40.4 | -14.5 | +89.8 | -4.4 | +61.6 | +84.1 |
| TCK (Tokai Carbon Korea) | node | -10.1 | -16.9 | +2.8 | -28.7 | +225.7 | +8.6 |
YTD as of 2026-06-19 · source: Yahoo Finance