Multiple Module Vacuum Oven Productivity Enhancement System

2 Overview - Multiple Module Vacuum Oven n Productivity Enhancement System n 6 Transportable Module Ovens n Module Parameters are Individually Programmable n Modules use Plug Connectors - Simple Removal/Replacement n Integrated Computer Control n CRT Monitor - Graphical & Numerical Display n Intrinsically Safe Actuators & Transducers n Patent Pending

3 Benefits - Multiple Module Vacuum Oven n Independent Control Increases Product Throughput n Eliminates Bottle-necking in Glove Box Batch Transfers n Allows Constant Flow of Product n Product Transfer Protection - Carry Product under Vacuum n Module Passes Through Antechamber n Speeds Materials Research via Concurrent Multiple Settings n Reduces need for Clean Room Space - Load inside Clean Room - Process Externally

4 Product Flow Diagram n Facilitate Continuos Product Flow - 6 Independent Modules - Independent Operation - Independent Settings

5 Performance - Multiple Module Vacuum Oven n Temperature - Ambient to 125° Celsius n Accuracy - Ambient to 100°C ±2°C, °C ±3°C n Temperature Overshoot - Less Than 2°C n Setting Range - Each Module; °C in 5°C Increments n Heat Cycle - Ambient to 100°C in less than 20 Minutes n Cool Down - By Convection Approx. 1°C per Minute above 50 °C n Diagnostics - Initial Vacuum, Time to Temp., Ultimate Vacuum n Ultimate Module Vacuum - Less than 1 Torr n Data Logging - Sample#, 2 Shelf Temp., Bake Time, Vacuum n Alarm - Displayed on Monitor, Available as Single SSR Output n Vacuum Pump - Oil-Free Scroll 7.9 ft³/min (134m³/hr)

6 Control Display - Multiple Module Vacuum Oven n Oven Module Number n Bake Time Setting n Oven Temperature Setting n Each Shelf Temperature n Time to Go n Temperature Alarm n Heater Element Status (on) n Evacuation Status n Pre-Heat Status n Oven Temperature Profile in Real Time - 2 Minutes for Each Shelf

7 Configuration - Multiple Module Vacuum Oven n 1) Vacuum Oven Module n 2) Display CRT Monitor n 3) Computer n 4) Module Storage Bay n 5) Oven Base Cover n 6) Main Power Switch - Power 208/230 Vac Hz n 7) Individual Module Status Lamp n Overall Size - W 40” x D 31” x H 61” (1016mm x 787mm x 1549mm)

8 Module Construction - Multiple Module Vacuum Oven n Module/Shelf Material - Aluminum n Module Weight - 22 lbs. (10 kg) n Module Size - W 7” x H 7” x D 22” (177mm x 177mm x 559mm) n Shelf Size - 2 Each - 5.5” x 18” (139mm x 457mm) n Top Shelf Volume - H 1.87” (47mm) 185 in³ (3043 cm³) n Lower Shelf Volume - H 2” (50mm) 198 in³ (3246 cm³) n Heating Element - Two 400 Watt Flexible Elements per Module n No Detectable Leaks - Tested to 3 x std cc/sec

9 Module Assembly - Multiple Module Vacuum Oven n 1) Refill Valve n 2) Handle n 3) Hinge Bar n 4) Teflon Shelf Support n 5) Heater Shelf n 6) Nylon Slide Buttons n 7) Thermocouple Connectors n 8) Solenoid Power Connection n 9) Solenoid Valve, 2 Way n 10) Vacuum Interface Disc n 11) Removable Door