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ChipFlo 6 HT - Low Velocity Nitrogen Convection (LVNC) Oven

Download ChipFlo 6 HT Series Brochure pdf

chipflo 6ht Low Velocity Nitrogen Convection (LVNC) Oven

ChipFlo6 HT is specifically designed to attach solder balls to chip scale package substrates manufactured on strips, magazines or boat assembly processes.

ChipFlo6 HT is ready for next generation processes with 450 °C setpoints and multiple atmosphere capabilities.

ChipFlo4 HT uses our exclusive Low Velocity Nitrogen Convection (LVNC) heat transfer method – which delivers heat to the product without blowing solder balls off substrates.

ChipFlo6 HT ovens provide the smallest possible footprint for high-volume backend semiconductor assembly. Our patented no-clean convection method prevents heater cavity flux build-up, eliminating maintenance downtime.

Standard Features:

  • No-Clean Heater Cavities
  • Low Velocity Nitrogen Convection (LVNC)
  • Wire Belt Conveyor
  • Built-in Closed Loop Liquid Cooling
  • Pentium-Compatible Computer
  • Multi-Language StarWin™ Oven Operating Software (32 bit - Windows™)
  • Modular Electronics Design Fully Contained in Sliding Drawer
  • SMEMA Compatiable Interface
  • Zone Independent Nitrogen Control
  • 107 x 36.5 Inch (272 x 94 cm) Machine Footprint
  • Uninterrupted Power Supply (UPS) Processes Remaining Chips in Oven
  • Upper and Lower Product Exhaust
  • Direct Connect Machine Exhaust with High Temperature Exhaust Hose Kit
  • Class 1000 Clean Room Compatible
  • Nitrogen Purity < 25 PPM
  • Nitrogen Consumption < 950 SCFH

Safety Features:

  • Key Activated Motorized Clamshell Cavity Opening
  • 4 Color Signal Light Tower
  • Redundant Overtemperature Protection
  • Emergency Stop Buttons (4)
  • Machine operation based on industrial microprocessor controller, not a PC

Options (More Options Available):

  • Nitrogen Idle – Oven monitors product in process and upstream of process to minimize Nitrogen consumption if production is not running
  • External Fan Cooling - 12 inch conveyor extension with fans for additional product cooling
  • Custom Panel Color - Customer specified to match assembly line
  • Oxygen Analyzer - Monitors PPM levels
  • Casters - Allows lift-free transport
  • Flow Meter Covers - Key lock protection of nitrogen settings. Prevents unauthorized adjustment
  • Interlocks – Power is shut down to the oven if panels are removed for maintenance

Dimensions:

  • Overall Length - 107 Inches (272 cm)
  • Overall Width - 36.5 Inches (93 cm)
  • Overall Height - 56 Inches (133 cm)
  • On-load Length - 3 Inches (7.6 cm)
  • Off-load Length - 3 Inches (7.6 cm)
  • Net Weight - 1530 Pounds (694 kg)
  • Shipping Weight - 1750 Pounds (794 kg)
  • Crate Dimensions (LxWxH) - 120 x 47 x 70 Inches (203 x 114 x 178 cm)

Power Requirements:

  • Voltage - 220V – 3 phase – 50/60 Hz
  • Maximum Startup Current - 30 kVa
  • Typical Operating Current - 8 kVa
  • Lockable Safety Disconnect - Standard
  • 4 Color Light Tower - Red=Alarm/Yellow=NotReady/Green=Ready/White=Interrupted Power (top to bottom)
  • Industrial Controller - CPU card, 2 analog I/O cards, 1 digital card
  • Current Protection - Circuit Breakers
  • SMEMA Transport Communications - Connectors entrance and exit end meets standard specifications, entrance sensor indicates product presence
  • Electric Clamshell Lift - Key Activated; Opens heater cavity 12 Inches (31 cm), < 12 seconds
  • Redundant Overtemperature - Temperature monitoring separate from controller to prevent any machine damage

Oven Interface:

  • Interface Computer - Laptop (Automatic Uninterrupted Power guarantees no loss of data)
  • StarWin™ Interface Software - 32 bit, true Windows™ interface package
  • Modem Communications - 56.6 modem (minimum) that allows remote control of oven
  • Starlog™ SPC Software - SPC application to track and record all critical reflow parameters

Thermal Process Chamber Performance:

  • Heat Transfer Method - LVNC, Low Velocity Nitrogen Convection
  • Heated Length - 72 Inches (183 cm)
  • Top / Bottom Temperature Control Zones - 6 closed loop top / 6 closed loop bottom heating zones, 12 inches (31 cm) each
  • Edge Heat Temperature Control Zones - 6 closed loop left / 6 closed loop right, 12 inches (31 cm) each (temperature setpoint cascaded from upper temperature zones for perfect cross-belt uniformity)
  • Maximum Setpoint Temperature - 450 °C
  • Heating Uniformity - ±2.0 °C across usable belt width
  • Heating Repeatability - ±2.5 °C across usable belt width
  • Machine to Machine Repeatability - ±2.5 °C grand average deviation, peak to peak
  • Mass Loading Rates - 0% to 90%

Inert Atmosphere:

  • PPM level above source - <25 PPM (5-10 PPM typical)
  • Nitrogen Consumption - 1100 SCFH Maximum (<950 SCFH typical)
  • Nitrogen Monitoring Ports - Preheat, Reflow, and Cooling

Exhaust Specifications:

  • Entrance Exhaust Output - ~ 25 cfm
  • Exit Exhaust Output - ~ 25 cfm
  • Direct connect with High Temperature Hose Kit (Included) - 100 cfm draw required Surplus draw required for machine cooling and complete insert atmosphere control
  • Exhaust above and below conveyor - Standard
  • Flux Exhaust Collectors - Disposable exhaust hose; Replacement time < ½ hour

Conveyor Specifications:

  • Conveyor Type - Stainless steel wire belt conveyor, 20 Inches (51 cm) wide, 0.125 inch (.32 cm) pitch, 0.050 (.127 cm) wire, entrance and exit sprockets diameter is .75 inch (1.9 cm)
  • Conveyor Speed Accuracy - ±0.5%
  • Conveyor Height Above Floor - 34 – 37 Inches (86 – 94 cm)
  • Usable Conveyor Width - 20 Inches (51 cm)
  • Product Clearance Above Conveyor - 1" Inch (0.95 cm)
  • Product Clearance Below Primary Conveyor - N/A

Cooling System Specifications:

  • No-Clean Flux Removal System - CoolClean: Closed loop, water cooled, nitrogen cooling
  • Cooling System - Built-in CFC free, Recirculated Liquid Cooling Temperature controlled down to 15 °C with automatic process alarms
  • Inert Atmosphere Cooling - 2 zones upper / 2 zones lower 24 Inches (62 cm) Nitrogen Cooling Zone
  • Flux Condensation Collectors - 150 °C Maximum temperature; Replacement time < 20 minutes
  • Final Extended Fan Cooling [Optional] - 12" (31 cm) positioned above exit conveyor impinging 20 CFM of ambient air

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