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Tritium Test
The most commonly used tools for measuring water vapor and oxygen permeation through plastic films are instruments designed for food and pharmaceutical packaging purposes. Characterization of OLED displays, however, requires detection limits that are 2-3 orders of magnitude lower than what those systems are currently capable of detecting.
General Atomics has recently developed an ultra-sensitive permeation test that uses trace amounts of radioisotopes to measure water vapor transmission rates (WVTR). For this measurement, tritium enriched water (HTO) is used to test coated plastics as well as epoxy seals on glass. General Atomics has built and calibrated the necessary equipment to characterize water vapor permeation to the unmatched detection limit of 0.0000005 grams/m2-day and is offering this testing service. We are currently able to offer 25°C, 35°C, 45°C, and 85°C testing conditions over a wide range of relative humidities. Please contact us regarding your testing needs!.
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Analytical Capabilities
Display Products can offer state of the art analytical testing, method development and contract R&D with the following in-house services:
- Optical Spectroscopy * UV/VIS Spectrometer
- Optical microscopy
- Scanning Electron Microscopy (SEM/EDS)
- Atomic Force Microscopy for surface analysis
- Physical film step measurements & surface profiling Tencor Alpha Step, Dektac
- WVTR (H20) Permeation testing (10-8 measurement capability) with our new developed tritium test
- Thin Film Modeling & Design with a variety of simulation tools
- Variety of standard tests including the tape test, sheet resistance measurement etc.
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