User Manual
34
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Overview
Featuring a micro-thin wire heating element laid in a pattern
between optical grade polyester sheets, Thermal-Clear™ heaters
provide reliable heat without blocking light.
• Custom heater element routing and profiling optimizes the
visual clarity of the LCD and prevents “shadowing”
• Tight resistance tolerance provides constant and
repeatable wattage output for longer battery life
• Low mass and high watt density offers faster warm up
time needed for immediate LCD response in cold weather
operation
• Rugged materials prevent costly damage during
installation and handling
• Integral temperature sensors optional
• Rectangular, round, or irregular shapes
• Uniform or profiled heat patterns
Applications
• Cockpit displays
• Ruggedized computers
• Portable military radios
• Handheld terminals
• Outdoor card readers
• Portable and vehicular computers
• Camera lens deicing
• Defogging windows in environmental chambers
• Heating microscope stages
Custom options
• Integral RTD or thermistor sensors
• Flex circuit terminations
• Rigid materials
• Custom shapes and sizes to 11” × 22” (280 x 560 mm)
• RoHS compliance
• Contact Customer Service for design assistance
Thermal-Clear heaters and LCDs
Most dot matrix LCDs lose sharpness and response speed
below 0°C. Achieve acceptable performance at much colder
temperatures with a Minco Thermal-Clear heater. 1-2 Ω/in²
(0.16 - 0.31 Ω/cm²) will keep a typical LCD operating properly in
ambients as low as -55°C.
25
20
15
10
5
-60 -30 0 30 60 90 120 150
Watts / in²
Operating Temperature (°C)
3.9
3.1
2.3
1.6
0.8
Watts / cm²
Thermal-Clear™ Heaters
Maximum Watt Density with Acrylic PSA
2mil/50μm Polyester
2mil/50μm Adhesive
Thermal-Clear™ Transparent Heaters
Perfect for de-icing and de-fogging transparent materials