Canon LC-210L

This Canon LC-210L was manufactured mid of 2002 and gives a good example of the calculator technolgy used in that era. The single-chip calculator circuit is bonded directly to the printed circuit board (PCB). A small blob of epoxy covers the chip to protect the tiny bond wires. The Chip-on-Board (COB) technology was used in calculators since the 90's, don't miss the Canon LC-37.