This is a B169 module with a green board and a blue plastic extraction handle, attached by two rivets. Between the rivets the words "FLIP CHIP" are visible. The component side is marked by three inspection stamps. "Inverter B 169B" is printed on the solder side.
Date
1966 ca.
Manufacturer
Digital Equipment Corporation (DEC)
Place Manufactured
Maynard, Mass.
Identifying Numbers
Model number
B169
Stamped in white on face of extraction handle
Other number
022C
Stamped on reverse side of extraction handle between manufacturer and place made
Other number
4-70
Printed in silver on reverse side parallel to left-hand edge