Artifact Details

Title

Flip Chip R181 module

Catalog Number

102668630

Type

Physical object

Date

1964 ca.

Manufacturer

Digital Equipment Corporation (DEC)

Place Manufactured

Maynard, Mass., U.S.

Identifying Numbers

Model number R181 Printed in white on the face of the extraction handle
Other number 018 Incised on the solder-side of the handle
Other number 181C Printed in solder on the solder-side of the substrate

Dimensions

overall: 1/2 in x 1/2 in x 5 1/2 in

Description

One (1) R181 module with green substrate and a red plastic extraction handle attached by two rivets. The handle reads "DIGITAL EQUIPMENT CORPORATION MAYNARD, MASSACHUSETTS" in raised letters and "018" is incised between "CORPORATION" and "MAYNARD." The substrate on the solder-side reads "DC CARRY CHAIN R181C" along the edge. There are three black, circular inspection stamps near the handle on the component-side between the rivets. A repeating "neLco" pattern in red print is visible on the substrate.

Category

Component/module

Collection Title

SAP Collection

Credit

SAP Collection, Computer History Museum

Lot Number

X3709.2007