Electric lamp or space discharge component or device manufacturi – Process – With assembly or disassembly
Patent
1998-07-30
2000-11-14
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
With assembly or disassembly
445 58, H05B 3310
Patent
active
06146225&
ABSTRACT:
A barrier for preventing water or oxygen from a source thereof from reaching a device that is sensitive to water or oxygen. The barrier is constructed by depositing a first polymer layer between the device and the source. An inorganic layer is deposited on the first polymer layer of the device by plasma enhanced chemical vapor deposition utilizing an electron cyclotron resonance source ECR-PECVD. A second polymer layer is then deposited on the inorganic layer. The inorganic layer is preferably an oxide or nitride. A second barrier layer having a compound that absorbs oxygen or water can be placed between the inorganic layer and the device to further retard the passage of oxygen or water. The present invention is particularly useful in encapsulating electroluminescent displays.
REFERENCES:
patent: 4842893 (1989-06-01), Yializis et al.
patent: 4954371 (1990-09-01), Yializis
patent: 5260095 (1993-11-01), Affinito
Briggs George Andrew Davidson
Hueschen Mark R.
Roitman Daniel B.
Seaward Karen L.
Sheats James R.
Agilent Technologie,s Inc.
Ramsey Kenneth J.
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