This object consists of two Flip Chip M931D modules. There are integrated circuits, capacitors, resistors, and diodes. There are three inspection stamps on the component side along with the date "April 11, 1973." "M931D LEVEL TERMINATOR" is printed in solder on the circuit side.
Date
1968 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
M931
Printed in white on the face of the magenta extraction handle
Other number
326 D
Printed on th handle on the solder side
Other number
M931D
Printed in solder at the top left edge on the component side