- Joined
- Aug 28, 2007
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- 2,274
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- City
- Durham, NC
- Vehicle Year
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A few months ago I found some devices I worked on back in the early 70's. The device was a ceramic packaged device with a GaAs chip containing 64 IR LEDs. This device was used in an optical character reader machine for the banking industry.
IR LED device mounted on PCB:
IR LED device before mounting on PCB:
IR LED device without lens:
IR LED device showing GaAs chip with 1mil (0.001") diameter gold wirebonds:
IR LED device mounted on PCB:
IR LED device before mounting on PCB:
IR LED device without lens:
IR LED device showing GaAs chip with 1mil (0.001") diameter gold wirebonds:
