The MKS Path FINDER II Intelligent Auto‑Matching Network (PF1513‑1746A) is a high‑performance RF impedance‑matching device from MKS Instruments, a global leader in RF power solutions. Designed for semiconductor fabrication, it automatically adjusts internal impedance via a stepper motor, ensuring rapid, precise matching of RF power to plasma loads.
| Parameter | Specification |
|---|---|
| RF Frequency Range | 100 MHz |
| Maximum Output Power | 5 kW |
| DC Power Input | 24 V DC / 2 A |
| Control Interface | A/D I/O, USER connector |
| Cooling | Forced‑air (fan) cooling |
| Matching Mechanism | Stepper‑motor‑driven variable impedance network |
| Typical Applications | Semiconductor etching, thin‑film deposition, plasma‑enhanced processes |
Source: product data sheet from MKS Path FINDER series
MKS Instruments is recognized as the global market leader in RF power supplies and matching networks (TechInsights, 2021). Their extensive portfolio, combined with strong technical support, makes the Path FINDER II a trusted choice for leading semiconductor manufacturers worldwide.
| Application | Benefit |
|---|---|
| Deep‑UV Lithography Plasma Sources | Maintains optimal impedance despite rapid load changes, ensuring uniform exposure. |
| Thin‑Film Solar Cell Deposition | Reduces reflected power, improving film uniformity and reducing defect rates. |
| Advanced Etch Processes (e.g., High‑Aspect‑Ratio) | Fast retuning enables stable plasma density, critical for precise feature control. |
Q1: How does the auto‑matching algorithm work?
A: The system continuously measures forward and reflected RF power. When the reflected‑power ratio exceeds a preset threshold, the controller commands the stepper motor to adjust the matching network until the reflected power falls below the limit.
Q2: Can the Path FINDER II be retrofitted into existing lines?
A: Yes. Its 24 VDC input and standard A/D I/O connectors allow straightforward integration with most MKS RF generators and legacy control systems.
Q3: What maintenance is required?
A: Routine cleaning of the fan filters and periodic verification of the stepper‑motor calibration (recommended annually) keep the unit operating at peak performance.
Q4: Is there a warranty?
A: MKS Instruments provides a standard 2‑year warranty covering parts and labor, with optional extended service contracts.
The Path FINDER II (PF1513‑1746A) is available through authorized MKS distributors and can be quoted directly from MKS’s sales network. Example pricing (used units) listed at $6,000 on specialist equipment marketplaces. For new units, contact MKS sales for a customized quotation based on your production volume and support needs.
