AMAT Centura vs Endura: Which Platform Should You Buy Used?

When expanding fab capacity with used equipment, Applied Materials' Centura and Endura platforms frequently top the shopping list. Both are proven workhorses with massive installed bases, but they serve fundamentally different process applications. This guide helps fab managers understand the technical differences, used market dynamics, and selection criteria for these dominant AMAT platforms.

Platform Fundamentals: Different Design Philosophies

The Centura and Endura represent Applied Materials' answers to different manufacturing challenges. Understanding their original design intents clarifies their current applications.

AMAT Centura: The Etch and RTP Platform

Introduced in the early 1990s, the Centura platform was designed as a multi-process cluster tool primarily for etch and rapid thermal processing (RTP). The platform's modular architecture supports:

• Etch chambers: DPS (Decoupled Plasma Source), DPS-II, DPS-ACE, and DPS-Advantage configurations
• RTP chambers: Radiance and RadiancePlus for annealing and oxidation
• Epi chambers: Epi Centura for silicon epitaxy
• Wafer sizes: 100mm, 150mm, 200mm (platform-dependent)

The Centura's strength is process flexibility—different chamber types can be mixed on a single platform for integrated processing.

AMAT Endura: The PVD Deposition Standard

The Endura platform, also introduced in the early 1990s, became the industry standard for physical vapor deposition (PVD). The platform supports:

• PVD chambers: Various configurations for barrier, seed, and metal deposition
• Preclean chambers: Pre-PVD etch/clean for improved adhesion
• Wafer sizes: 200mm (Endura 5500) and 300mm (Endura 5800/HT)
• Film types: Ti/TiN, Ta/TaN, Cu seed, Al, W, and alloys

The Endura's dominance in PVD stems from its chamber design, process repeatability, and extensive process library developed over three decades.

Technical Specifications Deep Dive

Centura Configurations

Centura DPS (Decoupled Plasma Source)

The DPS etch chamber revolutionized dielectric etch with independent control of plasma density and ion energy:

• RF configurations: 2 MHz + 27 MHz (dual frequency) or 2 MHz + 60 MHz
• Source power: 1,500-3,000W
• Bias power: 1,000-3,000W
• Process pressure: 5-100 mTorr
• Etch rate: 500-2,000 nm/min (oxide)
• Uniformity: ±3% (3σ)

The DPS-II introduced enhanced chamber materials and improved particle performance for sub-0.25μm processing. DPS-Advantage added advanced endpoint detection and multi-step recipe capabilities.

Centura RTP (Radiance)

RTP chambers on the Centura platform provide rapid thermal annealing and oxidation:

• Temperature range: 300-1,100°C
• Ramp rates: 25-100°C/second
• Uniformity: ±1.5°C at 1,000°C
• Lamp configuration: Tungsten-halogen, top/bottom heating
• Atmosphere: N₂, O₂, Ar, forming gas

Centura Epi

The Epi Centura configuration handles silicon epitaxy for advanced devices:

• Temperature range: 550-1,150°C
• Pressure range: 10-760 Torr
• Source gases: SiH₄, SiH₂Cl₂, SiHCl₃, SiCl₄
• Dopants: B₂H₆, PH₃, AsH₃
• Growth rates: 0.1-5.0 μm/minute

Endura Configurations

Endura 5500 (200mm)

The original Endura platform remains widely used for 200mm production:

• Chambers: 2-4 PVD chambers typical
• Target sizes: 12-18 inches
• Base pressure: <5×10⁻⁹ Torr
• Process pressure: 0.5-10 mTorr
• Throughput: 30-60 WPH (depends on film stack)

Endura 5800/HT (300mm)

The 300mm-capable Endura HT (High Throughput) supports advanced node production:

• Chambers: 2-4 PVD chambers
• Target sizes: 18-20 inches
• Enhanced shielding for improved uniformity
• Throughput: 50-80 WPH
• Advanced collimator and IMP (Ionized Metal Plasma) options

Endura PVD Process Capabilities

| Film | Application | Typical Thickness | Uniformity | |------|-------------|-------------------|------------| | Ti/TiN | Barrier/Adhesion | 20-50 nm | ±3% | | Ta/TaN | Cu Barrier | 10-25 nm | ±2% | | Cu Seed | Electroplating base | 100-200 nm | ±5% | | Al-Si-Cu | Interconnect | 200-1,000 nm | ±3% | | W | Plug fill | 300-800 nm | ±4% |

Process Capabilities Comparison

When to Choose Centura

Dielectric Etch Applications

The Centura DPS excels at:

• Contact etch (oxide to silicon/poly)
• Via etch (intermetal dielectric)
• Trench etch (STI, capacitor structures)
• Hard mask patterning

For fabs running logic, memory, or power devices with significant dielectric etch requirements, the Centura DPS provides proven performance at compelling used equipment prices.

RTP Requirements

When your process flow needs:

• Spike annealing for dopant activation
• Thermal oxidation for gate dielectrics
• Silicidation annealing (TiSi₂, CoSi₂, NiSi)
• Reflow processes

The Centura RTP configuration offers a cost-effective solution compared to standalone RTP tools.

Epi Requirements

For power devices, MEMS, or specialty applications requiring epitaxial silicon:

• Thick epi (10-100+ μm) for power devices
• Selective epi for advanced logic
• In-situ doped epi for well formation

The Epi Centura remains the dominant platform for 200mm epitaxy.

When to Choose Endura

Barrier/Seed PVD

The Endura is the undisputed standard for:

• Ti/TiN barrier layers for W plug and Al interconnect
• Ta/TaN barriers for Cu damascene
• Cu seed layers for electroplating
• Al-Si-Cu deposition for legacy interconnect

Any fab running standard CMOS or memory processes needs Endura PVD capacity.

Advanced PVD Applications

Modern Endura configurations support:

• Self-ionized plasma (SIP) for improved bottom coverage
• Long-throw collimation for high aspect ratios
• IMP (Ionized Metal Plasma) for aggressive gap fill
• PVD ALD hybrid processes

Used Market Pricing and Availability

Centura Market Dynamics

Pricing (2026)

• Centura DPS (4-chamber, 200mm): $300K-$500K
• Centura DPS-II (4-chamber, 200mm): $400K-$650K
• Centura RTP (2-chamber): $200K-$350K
• Centura Epi (single chamber): $500K-$800K

Centura pricing reflects the platform's maturity and the ongoing shift toward 300mm production. 200mm systems offer excellent value for fabs not requiring 300mm capability.

Availability

Centura systems are abundant in the used market due to:

• Large installed base from 1990s-2000s fab buildouts
• Ongoing 200mm fab closures
• Replacement by newer etch platforms (Lam 2300 series, AMAT Producer)

Endura Market Dynamics

Pricing (2026)

• Endura 5500 (2-chamber PVD): $350K-$550K
• Endura 5500 (4-chamber PVD): $550K-$850K
• Endura 5800 HT (2-chamber): $800K-$1.2M
• Endura 5800 HT (4-chamber): $1.2M-$1.8M

Endura pricing remains strong due to continued demand for PVD capacity. Even 200mm systems command premiums because PVD requirements persist across all wafer sizes.

Availability

Endura availability is tighter than Centura:

• High demand from foundries expanding mature node capacity
• Longer useful life means fewer systems retired
• 300mm systems particularly scarce

Parts and Service Considerations

Centura Support

Parts Availability

The Centura benefits from:

• Massive installed base ensuring aftermarket parts support
• Third-party refurbishment services for critical components
• Generic alternatives for consumables (O-rings, quartz, etc.)

Service Considerations

• Large pool of experienced technicians
• Extensive documentation and training materials
• AMAT still supports many configurations (though some legacy parts discontinued)

Endura Support

Parts Availability

Endura parts availability is excellent:

• Continued production of many components
• Strong aftermarket for targets, shields, and consumables
• Third-party support for RF systems, vacuum components

Service Considerations

• Strong service infrastructure due to continued new tool sales
• Process support libraries widely available
• Upgrade paths for older systems

Integration and Facility Requirements

Centura Requirements

Facility

• Footprint: 3.5m × 3.5m (typical 4-chamber)
• Height: 3.0m clearance required
• Cleanroom: ISO Class 5-7
• Vibration: Standard fab grade

Utilities

• Electrical: 480V, 3-phase, 100-150A
• Process cooling water: 50-75 LPM
• CDA: 100-150 SLPM
• Vacuum: House vacuum or local pumps

Process Gases (varies by configuration)

• Etch: CF₄, CHF₃, C₂F₆, Ar, O₂
• RTP: N₂, O₂, Ar, forming gas
• Epi: SiH₄, SiH₂Cl₂, H₂, HCl

Endura Requirements

Facility

• Footprint: 3.2m × 3.0m (typical 2-chamber)
• Height: 2.8m clearance
• Cleanroom: ISO Class 5-6
• Vibration: Standard fab grade

Utilities

• Electrical: 480V, 3-phase, 80-120A
• Process cooling water: 40-60 LPM
• CDA: 80-120 SLPM
• Vacuum: House vacuum or local pumps

Process Gases

• Ar (sputter gas)
• N₂ (process and purge)
• Reactive gases for nitrides (N₂, NH₃)

Selection Decision Framework

Choose Centura When:

1. Primary need is dielectric etch - DPS chambers provide proven etch capability
2. RTP capacity required - Radiance chambers offer cost-effective annealing
3. Epi capability needed - Epi Centura dominates 200mm epitaxy
4. Budget constrained - Lower acquisition cost than equivalent Endura
5. 200mm sufficient - No 300mm requirement

Choose Endura When:

1. PVD is primary requirement - Endura is the PVD standard
2. Barrier/seed films critical - Ti/TiN, Ta/TaN, Cu seed processes
3. 300mm production - Endura 5800 HT supports 300mm
4. Process standardization matters - Largest installed base, extensive recipe libraries
5. Resale value important - Endura holds value better than Centura

Mixed Fleet Considerations

Many fabs run both platforms:

• Centura for etch/RTP, Endura for PVD
• Matches tools to process requirements
• uses each platform's strengths

However, mixed fleets increase:

• Spare parts inventory
• Training requirements
• Maintenance complexity

Frequently Asked Questions

Can Centura and Endura chambers be mixed on the same platform?

No. While both use AMAT's cluster tool architecture, they have different vacuum interfaces, control systems, and software. They cannot be mixed on a single mainframe.

What's the typical refurbishment cost for used Centura/Endura systems?

Refurbishment costs run 20-40% of acquisition cost:

• Chamber rebuilds: $50K-$100K per chamber
• Control system upgrades: $75K-$150K
• Vacuum system overhaul: $40K-$80K
• Cosmetic restoration: $20K-$40K

Are these platforms suitable for R&D or pilot production?

Both platforms work well for R&D:

• Mature software with extensive recipe capabilities
• Large installed base means process knowledge is readily available
• Lower capital cost than new equipment
• Proven reliability for pilot production

How do I verify tool condition before purchase?

Key verification steps:

1. Documentation review (maintenance logs, upgrade history)
2. Physical inspection (chamber condition, robotics, vacuum integrity)
3. Power-on testing (if possible)
4. Process qualification (test wafers on critical processes)
5. Software version and license verification

Caladan Semi provides pre-purchase inspection services for both platforms.

Caladan Semi: Your AMAT Platform Partner

Caladan Semi specializes in sourcing, refurbishing, and supporting Applied Materials Centura and Endura platforms. Our capabilities include:

• Global sourcing - Access to equipment from closing fabs worldwide
• Technical inspection - Comprehensive pre-purchase evaluation
• Refurbishment - Return to OEM specifications
• Installation - Rigging, setup, and qualification
• Ongoing support - Parts, service, and process consultation

Contact our team to discuss your Centura or Endura requirements.