Tokyo Electron Brings Quad-Reactor Plasma Deposition System to Production in 2026

By NineScrolls Team · 2026-03-21 · 2 min read · Industry

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The Episode 2 QMR System

Tokyo Electron (TEL) is bringing its Episode 2 QMR (Quad Matched Reactor) system to full production in 2026. The QMR module deposits thin films on four wafers simultaneously using an innovative plasma source, quadrupling throughput per chamber footprint compared to single-wafer tools.

The system targets the plasma-enhanced chemical vapor deposition (PECVD) segment, which TEL identifies as having significant market growth potential driven by the increasing number of deposition steps required at each new process node.

Plasma Technology Under the Hood

The QMR module uses a proprietary plasma source design that maintains film uniformity across all four wafer positions. This is an engineering challenge: multi-wafer plasma deposition historically suffered from wafer-to-wafer variation. TEL's approach ensures that each of the four wafers receives identical film thickness, composition, and stress characteristics.

The system addresses the growing demand for dielectric and barrier films in 3D NAND stacking, where each additional layer requires multiple deposition steps. As 3D NAND approaches and exceeds 300 layers, the total number of deposition steps per wafer has multiplied, making throughput a critical factor in fab economics.

The Episode Platform Family

The Episode 2 QMR sits atop TEL's Episode deposition platform family. The Episode 2 platform is capable of simultaneously transferring two wafers, combining high productivity with a reduced footprint to improve fab efficiency. The platform offers two module types: the DMR (Duo Matched Reactor), which deposits on two wafers simultaneously, and the new QMR, which doubles that to four.

The Episode 1, designed for single-wafer precision, targets applications where film quality requirements are highest, such as advanced logic gate stacks. Together, the Episode family covers the full range of deposition throughput and precision requirements.

Sustainability and Efficiency Gains

TEL reports that the Episode 2 DMR achieved a 25 percent reduction in CO2 emissions compared to the previous generation. The QMR is expected to extend this advantage further by processing more wafers per unit of energy, gas, and cleanroom floor space. As fabs face increasing scrutiny on environmental impact, the emissions profile of deposition tools has become a factor in purchasing decisions.

Market Position

TEL is the world's third-largest semiconductor equipment maker and a top-three supplier in the deposition segment alongside Applied Materials and Lam Research. The Episode 2 QMR represents TEL's push to gain share in the PECVD market as deposition volumes surge with the 2nm node transition and continued 3D NAND scaling.

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