1140-01634 UHV Pneumatic Controller

Parameter Name	Parameter Value
Product Model	1140-01634
Manufacturer	Applied Materials (AMAT)
Product Type	UHV Pneumatic Controller
Pressure Range	10⁻⁴ to 1500 Torr (absolute)
Control Accuracy	±0.05% FS (full scale)
Response Time	<100 ms (90% setpoint)
Leak Rate	<1×10⁻⁹ mbar·L/s He
Valve Control	4 channels (servo-assisted pneumatic)
Gas Compatibility	Corrosive, toxic & pyrophoric precursors
Communication	RS-485 MODBUS, SECS/GEM over HSMS
Power Supply	24 V DC ±10%, 45 W max
Operating Temperature	10°C to 40°C (chassis)
Purge Gas	N₂ or Ar, 10–50 SCCM (continuous)
Fittings	VCR 1/4″ (metal gasket face seal)
Dimensions	250 x 200 x 50 mm (9.8″ x 7.9″ x 2.0″)
Compliance	SEMI S2/S8, ISO 7501

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Categories: DCS, Other

Description

Product Overview

The AMAT 1140-01634 is an ultra-high-vacuum (UHV) servo-pneumatic valve controller engineered for precision gas delivery in semiconductor process chambers. Part of Applied Materials’ advanced flow control ecosystem, this module enables sub-second response times for reactive gas injection in atomic layer deposition (ALD), plasma-enhanced chemical vapor deposition (PECVD), and etch systems. The AMAT 1140-01634 integrates closed-loop pressure regulation (±0.05% setpoint accuracy) with adaptive algorithms that compensate for conductance shifts during chamber seasoning. Its all-metal, helium-leak-tested design maintains <1×10⁻⁹ mbar·L/s integrity critical for high-k metal gate processes at nodes below 3nm. The AMAT 1140-01634 directly interfaces with AMAT’s Digital Gas Platforms, providing SECS/GEM-compliant traceability for GFAA/EPA-regulated precursors.

Technical Specifications

Parameter Name	Parameter Value
Product Model	1140-01634
Manufacturer	Applied Materials (AMAT)
Product Type	UHV Pneumatic Controller
Pressure Range	10⁻⁴ to 1500 Torr (absolute)
Control Accuracy	±0.05% FS (full scale)
Response Time	<100 ms (90% setpoint)
Leak Rate	<1×10⁻⁹ mbar·L/s He
Valve Control	4 channels (servo-assisted pneumatic)
Gas Compatibility	Corrosive, toxic & pyrophoric precursors
Communication	RS-485 MODBUS, SECS/GEM over HSMS
Power Supply	24 V DC ±10%, 45 W max
Operating Temperature	10°C to 40°C (chassis)
Purge Gas	N₂ or Ar, 10–50 SCCM (continuous)
Fittings	VCR 1/4″ (metal gasket face seal)
Dimensions	250 x 200 x 50 mm (9.8″ x 7.9″ x 2.0″)
Compliance	SEMI S2/S8, ISO 7501

Major Features and Advantages

Precision Flow Regulation: Linear-quadratic-Gaussian (LQG) control algorithms dynamically adjust for pressure transients during multi-step recipes, maintaining <1% MFC deviation across 10,000-wafer runs.

Corrosion Resistance: Hastelloy C-22 fluid paths with diamond-like carbon (DLC) coatings withstand HF, Cl₂, and NH₃ environments. Replaceable sapphire orifice inserts ensure long-term metrology stability.

0190-83792

Predictive Diagnostics: Embedded health monitoring tracks valve seat wear via actuator current profiling, issuing warnings at 75% lifespan depletion.

Ultra-Fast Shutoff: Integrated solenoid valves achieve <20 ms closure for process abort scenarios (pressure excursions >5%).

Multi-Gas Sequencing: Time-synchronized channel activation (±0.01ms) enables precise ALD pulse/purge cycling without cross-contamination.

Retrofit Compatibility: Drop-in replacement for AMAT’s legacy 1140-00401 series with automatic configuration via ToolBus++

Application Domains

The AMAT 1140-01634 is critical for:

High-κ Metal Gate Stacks: Precise HfO₂/TiN precursor pulsing in FinFET gate-last processes
3D NAND String Stack Etch: Controlled NF₃/NH₃ injections for high-aspect-ratio memory hole sculpting
DRAM Capacitor Formation: ZrO₂/Al₂O₃ nanolaminate ALD with <0.1Å film uniformity
Advanced Interconnects: Low-pressure TaN/Ta barrier seed layers for Cu damascene flows
SiC Epitaxy: Reduced graphene oxide (rGO) doping gas sequencing

Deployed in AMAT Centura® RP Epic™, Producer® GT, and Endura® Amber etch platforms