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Phone：+86 15383419322Description
The AMAT 0190-30287 is a precision capacitance manometer vacuum sensor assembly developed by Applied Materials for use in advanced semiconductor fabrication equipment, including the Centura®, Endura®, and Producer® families of etch, chemical vapor deposition (CVD), and physical vapor deposition (PVD) systems. As a critical process monitoring component, the AMAT 0190-30287 provides highly accurate, gas-independent absolute pressure readings within the process chamber—enabling tight control over reaction kinetics, film uniformity, and etch rates at pressures typically ranging from 1 mTorr to 10 Torr.
Unlike thermal or Pirani gauges, which vary in response based on gas composition, the AMAT 0190-30287 utilizes a robust capacitive diaphragm design that measures deflection caused by pressure differentials. This technology ensures consistent performance across diverse process chemistries (e.g., CF₄, Cl₂, SiH₄, Ar), making it indispensable for high-precision applications such as atomic layer deposition (ALD) or high-aspect-ratio contact etching. The AMAT 0190-30287 interfaces directly with the tool’s chamber control module (CCM) or system controller via a standardized analog output (typically 0–10 VDC), allowing real-time feedback for closed-loop pressure regulation.
Due to its role in maintaining nanometer-scale process windows, the AMAT 0190-30287 is classified as a high-criticality spare part. Even minor drift or failure can trigger chamber aborts, wafer scrap, or particle generation—making rapid availability and calibration integrity essential for fab uptime and yield.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | AMAT 0190-30287 |
| Manufacturer | Applied Materials, Inc. |
| Product Type | Capacitance Manometer / Absolute Pressure Sensor |
| Measurement Range | 0–10 Torr (absolute) |
| Accuracy | ±0.25% of full scale |
| Repeatability | ±0.1% |
| Output Signal | 0–10 VDC linear analog |
| Gas Dependency | None (true absolute pressure measurement) |
| Operating Temperature | 10°C to 50°C (sensor head) |
| Electrical Interface | DB9 or Hirose connector (tool-specific) |
| Mounting Configuration | Flange-mounted (KF16 or custom AMAT interface) |
| Compatibility | Centura, Endura, Producer, and other AMAT platforms |
| Calibration Standard | NIST-traceable, factory-performed |
Main Features and Advantages
Gas-independent pressure measurement: The core advantage of the AMAT 0190-30287 lies in its ability to deliver accurate readings regardless of process gas type—a critical requirement in multi-gas chambers where recipe changes occur hourly. Unlike thermal sensors, it does not require correction factors, ensuring consistent chamber control during complex multi-step processes.
High stability for advanced nodes: With sub-0.25% full-scale accuracy, the AMAT 0190-30287 supports the stringent pressure tolerances demanded by sub-7nm semiconductor manufacturing. Its low drift characteristics minimize the need for frequent recalibration, reducing tool downtime and maintenance burden.
Robust design for cleanroom environments: The AMAT 0190-30287 features a hermetically sealed sensor cavity and corrosion-resistant wetted parts (typically 316L stainless steel and alumina ceramics), enabling reliable operation in aggressive plasma and chemical environments without degradation.
Seamless integration with AMAT control architecture: Designed as an OEM-specified component, the AMAT 0190-30287 communicates natively with Applied Materials’ chamber control modules. Its electrical and mechanical interfaces match original specifications exactly, eliminating compatibility issues or software requalification.
Rapid replacement to minimize wafer loss: In the event of sensor failure, a validated AMAT 0190-30287 can be swapped in under 30 minutes without breaking chamber vacuum (in some configurations), drastically reducing mean-time-to-recovery (MTTR) compared to non-OEM alternatives.
Application Field
The AMAT 0190-30287 is primarily used in high-volume semiconductor manufacturing fabs producing logic, memory, and foundry wafers. Within Applied Materials’ Centura platform, it monitors pressure in metal etch chambers processing tungsten or titanium nitride layers—where even 0.1 Torr deviation can alter etch selectivity and cause device leakage. In Endura PVD systems, the AMAT 0190-30287 ensures stable base pressure before sputtering, directly impacting film adhesion and step coverage.
In CVD and ALD modules of the Producer family, precise pressure control via the AMAT 0190-30287 governs precursor delivery and reaction completeness—critical for forming ultra-thin, conformal dielectric films like SiO₂ or HfO₂. Any instability can lead to voids, pinholes, or thickness non-uniformity, resulting in catastrophic yield loss on 300mm wafers.
Beyond leading-edge logic, the AMAT 0190-30287 also supports legacy fabs running mature nodes (e.g., 90nm to 28nm), where tool reliability and spare part availability remain paramount due to extended equipment lifecycles. Additionally, R&D cleanrooms and pilot lines rely on this sensor for process development, trusting its data fidelity during experimental runs.
Given the global shortage of new AMAT spares, many fabs now maintain strategic inventories of tested AMAT 0190-30287 units to hedge against supply chain disruptions—highlighting its enduring value in both production and innovation ecosystems.
Related Products
- AMAT 0190-30288: Higher-range variant (e.g., 0–100 Torr) for rough pumping stages
- MKS 627B/10Torr: Commercial off-the-shelf capacitance manometer often used as functional equivalent
- AMAT 0090-23456: Chamber control module (CCM) that interfaces with AMAT 0190-30287
- AMAT 0190-28765: Replacement cable harness for sensor signal transmission
- AMAT 0100-77890: Isolation valve assembly commonly serviced alongside pressure sensors
- Inficon XPR3: Alternative vacuum gauge used in non-critical monitoring points
- AMAT 0190-30287-R: Refurbished/remanufactured version with full recalibration certificate
Installation and Maintenance
Pre-installation preparation: Before installing the AMAT 0190-30287, ensure the process chamber is vented to atmosphere and all high-voltage sources are locked out. Verify that the flange sealing surface is clean and undamaged; use only specified O-rings (typically Viton®) and torque bolts to AMAT’s recommended spec (usually 12–15 in-lb). Confirm that the analog input channel on the CCM is configured for 0–10 VDC and matches the sensor range.
Maintenance recommendations: The AMAT 0190-30287 should be calibrated annually or after any exposure to overpressure (>15 Torr) or particulate contamination. Perform zero-point verification using a certified reference gauge during PM cycles. Avoid exposing the sensor to condensable vapors or solvents, which can coat the diaphragm and cause drift. If pressure readings become noisy or non-linear, first check cable integrity and grounding—many “sensor failures” are actually wiring issues. Always store spare AMAT 0190-30287 units in dry, ESD-safe packaging to preserve internal electronics.
