PreservedUpdated 3/13/2026
IBM System/360 SLT Module and Logic Card
Made by IBM1964New York, United States
A Solid Logic Technology (SLT) module with its associated logic card from the IBM System/360, the family of compatible mainframes that defined enterprise computing for a generation. SLT hybrid modules — half-inch metal cans on ceramic substrates — were IBM's answer to the integrated circuit and powered everything from airline reservations to Apollo ground support.
Provenance
1964
Manufactured at IBM East Fishkill
documented
1979
Retained during system decommission
owner supplied
2013
Acquired by current collector
documented
2026
Digitally preserved in Relic
confirmed
Current Custodian
New England, United States
Access Matrix
- Digital viewingpublic
- Additional photographsby request
- Remote video inspectionavailable
- Research visitowner approval
- Temporary research loancase by_case
- Museum exhibition loanavailable
- Scientific samplingnot permitted
- Commercial licensingcontact owner
Record Metadata
CategoryComputing
MaterialsAluminum can, ceramic substrate, silicon dies, gold pins
DimensionsModule 1.3 cm square; card 11 × 6 cm
ConditionExcellent
Digital Record
24 high-res images (8,192 × 6,144)
3D Mesh / Photogrammetry
Precise digital measurements
Doc. Score: 74/100Scanned 8/30/2026
Cite this object
Relic Archive. (1964). IBM System/360 SLT Module and Logic Card [Object record]. Relic Object RL-1964-000088.