Recorders – Performance of multiple functions of steam and gas engines – Pressure responsive element
Patent
1985-02-04
1986-11-18
Goldberg, E. A.
Recorders
Performance of multiple functions of steam and gas engines
Pressure responsive element
3461351, G01D 1534, G03C 524
Patent
active
046238964
ABSTRACT:
A thermal imaging system is provided which includes a heat-sensitive element comprising at least one imaging layer having a selected depth dimension and having therein one or more spectrally absorbing organic materials responsive to the radiation employed for imagewise exposure. The percentage concentration of the organic material increases with depth in a predetermined manner so as to provide uniform heating depthwise within the imaging layer.
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Goldberg E. A.
Polaroid Corporation
Preston Gerald E.
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