Description
Product Introduction
The Applied Materials 0190-01431 is a specialized 300mm TC (Thermocouple) Heater Assembly designed for integration into AMAT WxZ-series processing chambers. Built for severe thermal cycling within high-vacuum semiconductor environments, this module plays a critical role in controlling substrate temperature during chemical vapor deposition (CVD) and plasma etching applications.
Unlike generic industrial heating elements, the 0190-01431 is precision-engineered to deliver uniform thermal distribution across the entire 300mm wafer surface. The integrated thermocouple array feeds low-latency temperature metrics back to the tool’s main distribution architecture, preventing localized thermal spikes, minimizing wafer warp, and protecting overall process yields.
Key Technical Specifications
| Parameter | Value |
| Part Number | 0190-01431 |
| OEM Manufacturer | Applied Materials (AMAT) |
| Assembly Description | ASSY TC HTR WxZ 300MM |
| Substrate Compatibility | 300mm (12-inch) Silicon Wafers |
| Chamber Compatibility | AMAT WxZ / Producer Series Platforms |
| Sensor Type | Embedded Multi-Point Thermocouple (TC) Sensor Wiring |
| Operating Environment | High Vacuum / RF Plasma / High-Temp Process Gases |
| Interconnect Type | High-temp ceramic-insulated feedthroughs & multi-pin connectors |
| Housing Material | High-purity thermal alloy / quartz-shielded housing |
Application Scenarios & The “Trench” Experience
It’s 2 AM on a sub-20nm fabrication line. Chamber 3 on your 300mm Producer platform drops offline mid-process due to a “TC Feedback Open Circuit” fault. A failed internal thermocouple loop inside the heater assembly means the tool cannot verify pedestal temperature, automatically aborting a $40,000 wafer lot. Every minute the chamber sits cold costs thousands in lost fab capacity. Having a qualified, pre-inspected 0190-01431 heater assembly on hand is the difference between a 45-minute swap and 48 hours of catastrophic tool downtime.
Typical Applications:
- 300mm Chemical Vapor Deposition (CVD) – Executes precise thermal control during film deposition to guarantee film thickness uniformity across the entire wafer surface.
- Plasma Etch Chambers – Maintains target pedestal temperatures under high RF power to prevent resist degradation and profile distortion.
- Dielectric Film Processing – Manages tight thermal ramp rates required for advanced dielectric layering on 300mm silicon substrates.

0190-01431

0190-01431
Transparency SOP: Quality Assurance & Testing
We don’t just ship boxes; we test them on actual AMAT-compatible test benches before they hit the wooden crate. Every surplus or reconditioned 0190-01431 goes through our strict 5-stage SOP:
- Inbound Physical & Cleanroom Inspection: Microscopic inspection of ceramic insulators, wiring harnesses, and metal surfaces for signs of cracking, pitting, or process gas contamination.
- Thermocouple Loop & Resistance Testing: Multi-meter testing of all internal TC loops to verify proper Ohm resistance values and ensure zero micro-fractures in the sensor wire.
- Electrical Insulation & Hi-Pot Checks: Megger testing to check dielectric integrity between heating elements, sensor wires, and chassis ground to prevent vacuum arcing.
- Thermal Ramp & Loop Calibration: Bench heating cycle under controlled current to verify linear thermocouple response and hot-zone consistency.
- Cleanroom Handling & Vacuum Packaging: Cleaned under class 100 HEPA conditions, nitrogen purged, and double-vacuum sealed in anti-static ESD bags for immediate fab insertion.
The Veteran’s Tech Trap Guide (Crucial Value-Add)
⚠️ Do NOT Handle Bare-Handed: Never touch the ceramic or metallic heating surfaces of the 0190-01431 with bare skin. Skin oils will carbonize during high-temperature vacuum cycles, creating hot spots that cause premature heater burnout or outgassing in the process chamber. Always wear lint-free cleanroom gloves.
❗ Inspect Vacuum Feedthrough O-Rings & Seals: When replacing this assembly, always replace the surrounding vacuum seal elastomeric O-rings or metal seals. Reusing crushed seals will result in helium leak check failures when pump-down starts. Trust me on this one.
⚠️ Verify TC Wiring Resistance Prior to Chamber Seal: Before bolting down the chamber lid and starting vacuum pump-down, perform a final continuity and resistance sweep on the 0190-01431 external harness plug. Discovering an open TC circuit after achieving 10^-7 Torr will cost you 4 hours of pump/purge cycles for nothing.
Frequently Asked Questions (FAQ)
Q: Is the AMAT 0190-01431 hot-swappable?
A: No. Absolutely not. Attempting to disconnect or swap a heater assembly while the chamber is energized or under vacuum will result in high-voltage arcing, severe electrical shock, and immediate tool shutdown. Power down the chamber card, verify zero energy state, and vent the chamber to atmospheric pressure first.
Q: Can I use this 0190-01431 assembly on a 200mm chamber?
A: No. The 0190-01431 is physically keyed and thermally sized specifically for 300mm WxZ-series processing platforms. Attempting to retrofit it into 200mm architecture will cause physical mounting interference and incorrect thermal mapping.
Q: Does this unit include the internal thermocouples?
A: Yes. The “TC HTR” designation indicates that the assembly includes the integrated thermocouple sensing harness along with the resistive heating elements.
Q: What is the warranty coverage on this assembly?
A: We provide a full 12-month operational warranty. If the 0190-01431 fails bench calibration or develops a TC open-circuit fault during normal operation within 365 days, we exchange it or issue a full refund—no runaround.
Q: Why buy surplus OEM parts instead of going direct to Applied Materials?
A: Sourcing through verified global surplus inventories gives you instant access to hard-to-find legacy 300mm components without suffering through 12- to 24-week OEM lead times or paying steep factory line-item markups.




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