Applied Materials Launches 2 New Deposition Systems for 2nm GAA Chips: Precision Selective Nitride PECVD and Trillium ALD

By NineScrolls Team · 2026-04-08 · 7 min read · Industry

Overview

Applied Materials announced two new deposition systems on April 8, 2026, targeting the angstrom-era of logic chip manufacturing. The Applied Producer™ Precision™ Selective Nitride PECVD System and the Applied Endura™ Trillium™ ALD System are both designed to address the extreme materials precision demands of Gate-All-Around (GAA) transistors at the 2nm node and below.

Both systems are already being adopted by leading foundry-logic chipmakers at 2nm and sub-2nm process nodes. Applied Materials' stock rose 8.26% on the announcement, reflecting the significance of the breakthrough for the company's position in advanced logic equipment.

"At the most advanced angstrom-class logic nodes, performance and power are increasingly determined by materials," said Dr. Prabu Raja, President of Applied Materials' Semiconductor Products Group. The launch reinforces Applied Materials' push to lead materials engineering at each major transistor inflection.

The Gate-All-Around Challenge at 2nm

Gate-All-Around transistors replace the FinFET architecture that dominated from 22nm through 3nm. In a GAA structure, horizontal silicon nanosheets are stacked and wrapped by the metal gate on all four sides. At 2nm, these nanosheets are spaced approximately 10 nanometers apart — leaving almost no room for deposited films to be anything other than precisely placed.

Manufacturing a single 2nm GAA device requires more than 500 individual process steps. Next-generation AI GPUs built on these nodes are projected to contain over 300 billion transistors in a postage-stamp-sized die. At that density, any materials imprecision — a few angstroms of extra thickness, a stray nitride layer, a poorly tuned metal gate — translates directly to power loss, yield fallout, or performance degradation at scale.

The industry's answer is atomic-scale materials control: deposition processes engineered not just by target thickness but by selectivity, sequence, and the thermal budget available to protect surrounding layers. That is the problem both new Applied Materials systems address.

Applied Producer Precision Selective Nitride PECVD

The Applied Producer™ Precision™ Selective Nitride PECVD System deposits silicon nitride using a selective bottom-up process that places material only where it is needed inside the trench — not on the surrounding surfaces. This selectivity is critical for preserving shallow trench isolation (STI), the silicon oxide structures that electrically separate adjacent transistors.

In conventional PECVD processes, non-selective deposition can degrade or consume the STI oxide during subsequent processing steps, causing parasitic capacitance to rise and leakage currents to increase. The Precision system runs at low temperatures to avoid thermally damaging the underlying materials, maintaining the integrity of the STI layer and keeping transistor electrical behavior consistent across the die.

For plasma processing equipment makers, this system is significant. It is a PECVD tool — plasma-enhanced chemical vapor deposition — operated under tightly controlled plasma conditions to achieve selectivity at the angstrom scale. The challenge of managing plasma chemistry and surface kinetics simultaneously, at temperatures low enough not to damage 2nm structures, represents a meaningful advance in process tool engineering.

Applied Endura Trillium ALD

The Applied Endura™ Trillium™ ALD System handles metal gate stack formation. In a GAA transistor, the metal gate surrounds all four sides of each horizontal nanosheet. Creating this gate stack requires depositing multiple ultra-thin metal layers in sequence — each only a few atoms thick — with precise control over thickness, composition, and interface quality.

The Trillium system integrates multiple metal deposition steps on a single Endura platform that maintains an extraordinarily high vacuum environment throughout. By keeping wafers under high vacuum between deposition steps, the system prevents surface contamination and interface oxidation that would degrade the metal gate's electrical properties. The tool enables the deposition of thinner work function metals and volume-less dipole materials — addressing the extremely constrained space inside the GAA nanosheet stack.

Threshold voltage tuning — a critical parameter for matching transistors to different circuit functions across the chip — is achieved by precisely varying the composition and sequence of metal layers in the gate stack. The Trillium system enables this across the diverse transistor types needed on a single AI compute die. The Endura platform on which it is built has a long production track record in metal deposition, giving chipmakers confidence in tool reliability at high volume.

Market Adoption and Timing

Applied Materials confirmed that "leading foundry-logic manufacturers at 2nm and below" are already adopting both systems, though specific customer names were not disclosed. Given that TSMC's Fab 20 in Baoshan is the primary volume ramp site for 2nm production in 2026 — with Apple accounting for over 50% of initial capacity — the customer base for these tools is apparent even if unnamed.

The announcement comes as the broader equipment market enters what SEMI described in its April 2026 World Fab Forecast as its most sustained growth cycle in history. Worldwide 300mm fab equipment spending is projected to reach $133 billion in 2026, an 18% increase year-over-year, rising to $151 billion in 2027 — the first time that milestone has been crossed. "AI is resetting the scale of semiconductor manufacturing investment," said SEMI President and CEO Ajit Manocha. Within that context, deposition systems for GAA logic represent some of the highest-value, highest-complexity equipment in the fab.

Applied Materials' decision to release both systems simultaneously — rather than staggering them — signals confidence that customer readiness at multiple leading foundries is already in place. The market reaction, an 8.26% single-day stock gain, reflected investor recognition that these tools address a bottleneck that cannot be routed around at 2nm.

What This Means for Plasma Processing and Thin Film Deposition

Plasma processing equipment (etch, PECVD, plasma activation). The Precision Selective Nitride PECVD system is a direct example of plasma-enhanced deposition being pushed into territory previously considered impossible at production scale: angstrom-level selectivity in a high-throughput PECVD chamber. For plasma equipment designers, the key variables — plasma density, ion energy distribution, gas chemistry, temperature — must all be controlled simultaneously to achieve bottom-up selectivity without attacking adjacent oxide layers. This is not a small engineering increment. It represents a new class of PECVD capability that will propagate into subsequent GAA nodes (1.4nm, 1nm) as the industry road map continues. Equipment makers developing PECVD tools for advanced logic need to treat selective nitride deposition as a core process target, not a variant.

Thin film deposition systems (ALD, CVD, PVD, sputtering). The Trillium ALD system extends atomic layer deposition into the multi-metal, high-vacuum integrated platform space. Depositing multiple work function metals and dipole layers in a single tool, without atmospheric breaks, raises the bar for ALD system design: vacuum handling, chamber isolation, precursor management, and in-situ metrology must all operate at a level that prevents angstrom-scale interface degradation. The integration of multiple ALD steps on the Endura platform also points toward the industry trend of cluster-tool consolidation — reducing wafer transfers between chambers to protect sensitive interfaces. For suppliers of ALD subsystems, precursors, and vacuum components, the Trillium architecture defines what leading-edge tool integration now looks like.

The equipment supply chain (plasma sources, targets, vacuum components, gas delivery, process monitoring). Both systems create downstream demand across the supply chain. The Precision PECVD system requires plasma sources capable of sustaining the precise ion flux needed for selective deposition, along with process gas delivery systems that can switch chemistries with sub-second reproducibility. The Trillium ALD system's high-vacuum architecture places stringent requirements on vacuum pumps, seals, and load-lock design. Thin film metrology — ellipsometry, X-ray reflectivity, in-line optical — must resolve angstrom-level thickness changes across the gate stack. As these tools enter volume production at leading foundries in 2026, demand for all of these supply chain components will follow. The 18% growth in global 300mm fab equipment spending projected for 2026 will be partially driven by exactly this kind of next-node deposition system deployment.