A semiconductor device comprising organic semiconductor material (14) has one or more barrier layers (16) disposed at least partially thereabout to protect the organic semiconductor material (14) from environment-driven changes that typically lead to inoperability of a corresponding device. If desired, the barrier layer can be comprised of partially permeable material that allows some substances therethrough to thereby effect disabling of the encapsulated organic semiconductor device after a substantially predetermined period of time. Getterers (141) may also be used to protect, at least for a period of time, such organic semiconductor material.

 
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