Heated, High Precision Fluid Dispenser – MAX II

About the Heated, High Precision Fluid Dispenser – MAX II

When heat is required on the substrate or fluid, the MAX II Series delivers. With an available 3 zones of heat for inline systems as well as fluid heating, your process will be completely under control. For batch applications, the work table is heated and can be customized for your product. In both system configurations heat is transmitted via heated vacuum fixtures or via forced air. The PCD dispense pump is a perfect match for heated applications as the volume of dispensed fluid will not vary, even when the viscosity changes, and will not drip or drool.

The GPD Global MAX II is a compact; high-accuracy fluid dispenser designed for today's advanced heated dispensing applications. The frame is molded from “liquid rock” which gives the system a stable platform for accurate, reliable, high-speed, and long term production. MAX II systems are available in either stand-alone or inline configurations.

MAX II fluid dispenser incorporate all the features of a MAX base system plus these heated features:

• heat capability in the work area
• an optional nozzle and/or material heat

MAX II systems process heated applications such as:

• Underfill
• Dam and Fill
• COB Encapsulation
• and more

The rock-solid unibody Zanite frame ensures all systems meet our stringent accuracy specifications of ±0.001” (±0.025 mm). All systems are calibrated with our Contour Mapping™ process. This process maps gantry motion to a known glass plate, compensating for slight positional changes over the entire work area. This calibration process can easily be done in the field.

GPD's universal tool mounting design uses our tool-less Taper Lock™ system, so pump removal and mounting is fast and easy.

MAX II is available with up to two dispense pumps as required by process requirements. This system can address any heated application when paired with one or more GPD Global dispense pump families.

For small die and COB encapsulation, the Jetting Pump (NCM5000) offers repeatability and high-speed processing. For high volume applications like large BGA underfill, the Volumetric Pump (PCD) offers high accuracy / high speed dispensing. When thick or abrasive fluids are required, the versatile and wear-resistant Precision Auger Pump dispenses using carbide parts. For underfill or other applications with multiple timed passes, the exclusive and powerful FLOware® software incorporates smart path analysis (UltiPath™) that selects an optimized dispense path for minimum delays between multiple pass components.

SUBSTRATE HEATING METHODS

• Convection/Forced Air - Heat transfers to the product via air flow from below the board. Use this method when bottom-side features make contact fixturing difficult.
• Contact - Heat rapidly transfers to the product through direct contact with the product. In most cases, vacuum is incorporated to pull product to the heated surface for uniform heat transfer.

THE 3 ZONES OF A HEATED CONVEYOR

• Pre-Heat - Preheating raises the product up to operating temperature. More aggressive heating may be applied to this zone to decrease the amount of time required to bring product up to temperature.
• Work Area Heat - Work area heating normalizes heat on the substrate. Heat in this zone is typically applied via a contact vacuum fixture for utmost uniform heat transfer.
• Post-Heat - Post heating is typically used to maintain product temperature and continue fluid flow. Heating may be forced air or contact fixturing.

ADD-ON OPTIONS

• TempView Thermal Imaging System - An optional thermal imaging system monitors the temperature of various devices/components to ensure uniform flow of fluid during the process.
• Heated Pump Body - An optional body heater is available for most of our dispense pumps. A body heater helps stabilize fluid viscosity, thus improving dispense results for heated applications.
• Heated Syringe - An optional reservoir heater is available for dense fluids that may require extra time to achieve desired temperature. This heater interfaces with most GPD Global dispense pumps.

SPECIFICATIONS