General Electric SSL-140 LED Display  
Written by AnubisTTP on 2011-04-27  


One of General Electric's most well-known displays, the SSL-140 is an early seven-segment LED in a tiny surface mount package. The SSL-140 is a single die device, in that all of the segments are constructed on the same lump of silicon. The display's decimal point is a separate small cubical die located in the right side of the display area. The SSL-140's dies are bonded to a ceramic wafer with gold leads, with an enclosing plastic cover to protect the fragile dies and bond wires.


General Electric SSL-140 LED display, normal operation.

SSL-140 LED display, shown with packaging and quarter for scale.

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