lithium niobate / 05 Making / 5.6
5.6 Wafer sizes and suppliers (as of 2026-10-24)
L1 Phenomenon
Thin-film LN wafers grew from chips cut from 3-inch wafers in 2012 to 150 mm and 200 mm wafers run in CMOS-class foundries in 2025-2026.
L2 Model and data
| Supplier or fab | Wafer statement | Source; grade |
|---|---|---|
| NanoLN (Jinan Jingzheng Electronics) | LNOI and LTOI, 3, 4, 6, 8 inch; films 300-900 nm; Si, LN, quartz, fused silica handles; thick films 5-50 µm | V |
| Soitec (Smart Cut POI) | LT6, LT8 (150, 200 mm LT); LN6 (150 mm LN); 150 mm LNOI for CCRAFT from 2025-06, 200 mm processed wafer shown | V, S |
| ELENA (EU) | first European commercial LNOI substrates, 150 mm | S |
| CCRAFT | pure-play TFLN foundry, 150 mm (200 mm shown) | S, V |
| HyperLight with UMC and Wavetek | 6- and 8-inch TFLN production | V |
| Ligentec and X-FAB | TFLN-on-SiN and TFLN-on-SOI at 200 mm | V |
| Academic wafer-scale demonstrations | 4- and 6-inch DUV LN PICs, 0.27 dB/cm | P(abs) |
L3 Details and open points
Every row is a company statement or trade press; none is an independent capacity measurement. Wafer prices quoted in finance media are low grade and are not given here.