Artifact Details

Title

Solid Logic Technology (SLT) wafers [manufacturing-step examples]

Catalog Number

102662452

Type

Physical object

Date

1964

Manufacturer

International Business Machines Corporation (IBM)

Dimensions

overall: 1 3/4 in x 9 1/4 in x 4 5/8 in

Description

Object consists of divided box with eight samples of SLT modules in different stages of manufacture. Lables on top read from left to right, top to bottom: "BARE SUBSTRATES" "PRINT LAND PATTERN" "SCREEN AND FIRE RESISTOR PATTERN" "INSERT PINS" "SOLDER PINS AND LANDS" "TAILOR RESISTORS" "JOIN ACTIVE COMPONENTS" and "OVERCOAT AND MARK". Additional label on upper left of box reads, "IBM CONFIDENTAL". Display shows very early SLT module with red overcoat instead of later aluminum cap.

Category

Component/Semiconductor/IC

Subject

Bloch, Erich; transistor; Hybrid; Ceramic; Manufacturing

Credit

Gift of Mike Turin

Lot Number

X2986.2005