Artifact Details Title Flip Chip W021B module Catalog Number 102668900 Type Physical object Description This W021B module has a green board with two holes in the center. On the non-circuit side there is a single round inspection stamp. There are two small rivet holes at the extraction edge. Date 1966 ca. Manufacturer Digital Equipment Corporation (DEC) Identifying Numbers Model number W021B Printed in solder parallel to the extraction end Other number 10 68 Printed in solder parallel to the extraction edge Other number 3 Handwritten on the non-circuit side of the module Dimensions overall: 1/8 in x 2 1/2 in x 5 in Category Component/module Collection Title SAP Collection Credit SAP Collection, Computer History Museum Lot Number X3709.2007