Upgraded offer with two 5” circuit wafers added to original listing at same price! You get 10 different circuit wafers with eight 4” high quality circuit wafers from the 1970’s/1980’s and two 5” circuit wafers at original price quoted. Many different types of circuits with

microcontrollers/microprocessors, communication chips, pinball processors, fax, calculator chips, along with peripheral support chips of different kinds. Lots of early chip architecture to explore. A highly collectible group of circuit wafers from an era when new chip designs along with processing techniques propelled the industry forward through a unique time of technological advancement. This is also the era of chip art offering personal doodles or inscriptions from industry engineers that may be found on an occasional wafer.