Nordson plasma cleaner MARCH AP-600

The Nordson MARCH AP-600 is a classic benchtop vacuum plasma processing system. Renowned for its exceptional reliability and ease of use, this system plays a pivotal role across numerous sectors, including semiconductor manufacturing, microelectronics, and medical device production.

**Key Technical Specifications**

The following are the key technical specifications for the AP-600, designed to provide you with a quick overview of its core functions and performance capabilities.

**Specification Item** | **Specific Parameter**

**Equipment Type** | Benchtop, Fully Automated Batch Vacuum Plasma Processing System

**Dimensions (W × D × H)** | 569 × 869 × 704 mm

**Net Weight** | 221 kg (487 lbs)

**Chamber Material** | High-quality Aluminum and Aluminum Fixtures

**Chamber Volume** | 50.4 Liters

**RF Power Supply** | Standard: 600W @ 13.56 MHz (Equipped with Automatic Impedance Matching Network)

**Electrode Configuration** | Supports up to 7 removable, position-adjustable electrode trays (Supports Direct and Downstream Plasma Modes)

**Gas Control** | Standard: 2 Channels; Configurable with up to 4 Mass Flow Controllers (MFCs)

**Control System** | PLC Control + Touchscreen Human-Machine Interface (HMI); Supports Real-time Process Monitoring and Data Traceability

**Key Features and Benefits**

The exceptional performance of the AP-600 stems from the following key features:

**Superior Processing Uniformity:** The primary design objective of the AP-600 is to achieve "extremely uniform" plasma cleaning and processing results. This objective is realized through the seamless integration of its 13.56 MHz RF power supply and automatic impedance matching network, ensuring highly repeatable results with every process run.

**Flexible and Versatile Processing Modes:** The system's flexible tray design supports three distinct electrode configuration modes: Powered-to-Ground, Ground-to-Powered, and Powered-to-Powered. **Direct Plasma Mode:** Utilizes high-energy ions to simultaneously perform physical bombardment and chemical reactions on the sample surface; an ideal choice for surface activation and deep cleaning applications. **Downstream (Remote) Plasma Mode:** Positions the sample at a specific distance from the plasma source, exposing it solely to long-lived free radicals. The cleaning process in this mode is gentler, making it particularly suitable for processing precision devices that are sensitive to ion bombardment or susceptible to electrostatic discharge (ESD) damage. **Simple and Safe Operation:** Features a PLC-controlled touchscreen interface that is intuitive and user-friendly, providing real-time display of process parameters and status information. The built-in interlock safety door and removable panel design ensure operational safety while simplifying routine maintenance and internal operational procedures.

**Broad Process Gas Compatibility:** Supports a wide range of process gases, including Argon (Ar), Oxygen (O₂), Hydrogen (H₂), Helium (He), and fluorine-containing gases (e.g., CF₄).

**Convenient Utility Connections:** Provides easily accessible utility interfaces to accommodate various ancillary requirements, such as periodic calibration and validation.

**Comprehensive Application Fields**

Based on the aforementioned features, the AP-600 system is widely applicable across numerous fields:

**Application Field** | **Specific Application Examples**

**Semiconductor & Microelectronics Manufacturing** | - **Die Attach Pre-treatment:** Enhances die adhesion.

- **Wire Bonding Pre-treatment:** Improves bonding strength.

- **Molding Pre-treatment:** Reduces package delamination.

- **Flip-Chip Underfill Pre-treatment:** Improves underfill flow rate, minimizes voids, and enhances adhesion.

- **Photoresist Removal / Descum:** Clears residues remaining after etching processes.

- **Removal of Various Contaminants:** e.g., organic contaminants, grease, dust, oxides, and nanoparticle residues. **Medical & Life Sciences** | - Cleaning and bonding pretreatment for medical devices such as stents and catheters; enabling the bonding of dissimilar materials that are otherwise difficult to join; reducing the surface tackiness of injection-molded silicone components.

- Surface treatment for biochips and microfluidic devices.

**Other Advanced Manufacturing Sectors** | - **PCB Manufacturing:** Removal of surface residues and surface activation to enhance the reliability of subsequent coating processes.

- **Optoelectronics & Advanced Packaging:** Improving surface wettability prior to various packaging steps, thereby enhancing the effectiveness of potting and filling operations.

**Working Principle**

Plasma cleaning primarily involves two types of mechanisms: physical and chemical.

**Physical Reaction:** High-energy ions from inert gases—such as Argon (Ar)—are used to "bombard" the surface, effectively removing adhering contaminants.

**Chemical Reaction:** Oxygen (O₂) or fluorine-containing gases are introduced; the free radicals within the resulting plasma react with organic substances on the surface to form gaseous byproducts, which are then evacuated by a vacuum pump.

The two operating modes of the AP-600 are designed to strike a balance between these two mechanisms, tailored specifically to meet the requirements of a given process.

**Collaborative Ecosystem**

Within a complete production line, the AP-600 frequently operates in conjunction with surrounding equipment:

**With Other Nordson Equipment:** In SMT or packaging lines, the AP-600 can work synergistically with Nordson's ASYMTEK dispensing/coating systems or EFD high-precision dispensing valves. The process begins with plasma cleaning to activate the surface and enhance surface energy, followed by precise dispensing to ultimately achieve high-quality bonding or coating results.

**With Other Process Equipment:** In IC manufacturing workflows, the AP-600 is often utilized in combination with equipment such as lithography systems, ion implanters, plasma etchers, scanning electron microscopes (SEM), and device testing systems, providing a pristine surface environment at critical process junctures.

**Summary**

In summary, the Nordson MARCH AP-600 is a research-grade desktop plasma processing system that combines high precision, exceptional flexibility, and outstanding cost-effectiveness. It effectively addresses the stringent requirements for surface cleanliness and adhesion found in fields such as semiconductors, microelectronics, and medical devices, making it an ideal choice for process R&D or small-batch production.