0010-30135
DPS, METAL, THROTTLE VALVE 5-PHASE, ASSY (Leadscrew Type)

0010-30135 Precision pressure control for advanced metal etch systems

The 0010-30135 DPS Metal Throttle Valve 5-Phase Assembly is a critical OEM replacement component engineered specifically for Applied Materials (AMAT) DPS (Decoupled Plasma Source) Metal Etch chambers.

Designed to meet the rigorous demands of sub-micron semiconductor fabrication, this assembly gives precise chamber pressure regulation, process stability, and superior repeatability in high-volume manufacturing environments.

This unit features a solid leadscrew actuation mechanism driven by a high-torque 5-phase stepper motor, providing the granular control necessary for complex metal etch recipes. Whether you are running aluminum, copper, or titanium etch processes, the 0010-30135 delivers the reliability required to minimize wafer defects and maximize system uptime.

Key features and technical specifications

1. 5-Phase stepper motor drive

This allows for:

• Ultra-Fine Positioning: Achieving micro-step accuracy to maintain chamber pressure within tight tolerances.
• Reduced Resonance: Minimizing mechanical vibration that could otherwise generate particles or disrupt the sensitive plasma environment.
• Rapid Response: Fast adjustment speeds to react instantly to changes in gas flow rates during multi-step etch recipes.

2. Leadscrew actuation mechanism

The leadscrew design converts the rotary motion of the motor into precise linear movement of the valve poppet. This mechanism is often specified in systems integrating structural or motion-related assemblies such as 1140-00181 and 3060-90287, where mechanical stability and repeatability are critical. This mechanism is favored in critical etch applications for its:

• High Torque Transmission: Keeping the valve sealed tightly against differential pressures without slipping.
• Positional Stability: The self-locking nature of the leadscrew prevents valve drift during power fluctuations, protecting the wafer from process deviations.
• Longevity: Constructed with hardened materials to withstand the repetitive cycling typical of 24/7 fab operations.

3. OEM compatibility and integration

This assembly is a direct replacement for the original Applied Materials part number 0010-30135. It is fully compatible with:

• Applied Materials Centura® DPS™ Metal Etch Systems
• Applied Materials DPS™ Plus and DPS™ II Chambers
• Legacy 200mm and 300mm Metal Etch platforms requiring leadscrew-driven pressure control.

The role of the throttle valve in metal etch processes

In a Decoupled Plasma Source (DPS) chamber, the throttle valve is the “gatekeeper” of the vacuum environment.

Why precision matters

Metal etch processes involves aggressive chemistries (such as Chlorine or Boron Trichloride based plasmas) to remove conductive layers. Additional sealing and chamber interface components such as 0010-09823 also play a supporting role in maintaining vacuum integrity and process consistency.

• Process Selectivity: Accurate pressure control is central to maintaining the correct ion energy and chemical radical density. A variance of just a few milliTorr can alter the etch rate or selectivity, potentially leading to “under-etch” (shorts) or “over-etch” (damage to the underlying layer).
• Profile Control: To achieve the perfectly vertical sidewalls required in modern interconnects, the pressure must be ramped and stabilized instantly between process steps (e.g., changing from the main etch to the over-etch step). The 0010-30135 excels in these dynamic transitions.

Common failure modes and maintenance

Like all mechanical components in harsh vacuum environments, the throttle valve assembly is subject to wear. Recognizing the signs of failure can save your fab from costly unplanned downtime.

Symptoms of a failing throttle valve:

• Pressure Drifting: The chamber fails to reach or hold the setpoint pressure specified in the recipe.
• Hysteresis Errors: The valve does not return to the exact same position when approaching from an open vs. closed state.
• Particle Generation: Wear on the leadscrew or bearings can generate metallic particles, causing yield excursions.
• Motor Stall Alarms: Increased friction from byproduct buildup or lubrication failure can cause the 5-phase motor to stall.

Recommended maintenance:

We recommend a proactive replacement strategy. Rather than waiting for a hard failure, schedule the replacement of the 0010-30135 during your preventive maintenance (PM) cycles.

• Cycle Count Monitoring: Track the total cycles of the valve.
• Visual Inspection: Check for byproduct accumulation on the valve body, bellows, and sealing components such as the 0100-91019.
• Calibration: regularly calibrate the zero position to keep the feedback loop accurate.

Also inspect sealing interfaces and adjacent parts such as the 0100-91019 and related chamber hardware for complete system reliability.

Why choose ESCT for your replacement parts?

At ESCT Fab Support, we understand that in the semiconductor industry, “time is yield.”

• Quality Assurance: Every 0010-30135 unit is rigorously tested for vacuum integrity, motor torque, and step accuracy before shipping.
• Technical Expertise: Our team consists of former fab engineers who understand the nuances of the DPS Metal Etch process.
• Cost-Effective Solutions: We offer a viable alternative to purchasing directly from the OEM, helping you lower your cost-of-ownership (CoO) for legacy tools.

Frequently asked questions

1. Is this part a drop-in replacement for the AMAT 0010-30135?

Yes, absolutely. This assembly is engineered to match the exact form, fit, and function of the original OEM part. No modifications to your chamber hardware, controller, or software are required. It connects directly to the existing motor driver and vacuum interface.

2. What is the difference between the leadscrew type and the gear-drive type throttle valves?

The leadscrew type (0010-30135) uses a threaded screw to drive linear motion, offering superior torque and holding power, which is ideal for applications requiring tight sealing or resisting pressure differentials. Gear-drive valves typically use a rack-and-pinion system. While both are effective, the leadscrew design is often preferred in specific DPS metal etch applications for its stability and precision.

3. Does this assembly come with the throttle valve controller?

No, this part number (0010-30135) refers to the valve assembly and motor unit only. It does not include the external throttle valve controller logic board or the downstream isolation valve.

4. How do I calibrate the throttle valve after installation?

After installing the new 0010-30135 assembly, you must perform a “Learn” or “Calibration” procedure via your system’s maintenance interface (e.g., the AMAT Centura software). This process allows the controller to identify the “fully open” and “fully closed” hard stops and map the leadscrew’s travel. Failure to calibrate can result in pressure control errors.

5. Can this valve be refurbished?

Yes, the 0010-30135 is a high-value assembly that can often be refurbished. Refurbishment typically involves replacing the vacuum bellows, leadscrew bearings, O-rings, and cleaning the valve body. ESCT offers exchange programs and refurbishment services, please inquire with us if you have a core to return.

6. What type of lubricant should be used on the leadscrew?

It is critical to use vacuum-compatible grease (such as Krytox or Fomblin) sparingly. Standard industrial greases will outgas in the vacuum chamber, contaminating your wafers and ruining the process. Never lubricate the leadscrew inside the vacuum envelope unless specifically directed by the maintenance manual, as this area is often exposed to process gases.

Related parts

• 0010-30135 DPS, METAL, THROTTLE VALVE 5-PHASE, ASSY (Belt Type)
• 0010-30134 DPS, CATHODE, 200MM, DPS (DPS Metal Type)
• 0010-30125 DPS Metal Etch R1 DTCU Assy, Basic Repair
• 0010-39883, ASSY, THROTTLE VALVE
• 0010-75226, ASSY, Throttle Valve, 200MM, Etch
• 0010-06121 DPS Metal Assy, Enhanced DTCU
• 0010-23726, ASSY WAFER LIFT PIN 200MM DPS CERAMIC ESC
• 3870-00150, VALVE GATE PNEU-ACTR PENDULUM 200 ISO-F (for EMAX CH)

Disclaimer: This part is supplied by ESCT Fab Support as an OEM-compatible replacement component, verified to the form, fit and function of Applied Materials part number 0010-30135. It is not an original OEM part and is not sold as one. It is not manufactured by, endorsed by, or affiliated with Applied Materials, and all manufacturer names and part numbers are quoted for identification and compatibility purposes only.