IBM DemiDiskette

File Format
Name	IBM DemiDiskette
Ontology	Physical File Formats Floppy disk IBM DemiDiskette

The IBM DemiDiskette is an unsuccessful 4" floppy disk format developed by IBM in the early 1980s, but which did not catch on. IBM did get a patent on its technology, however. The drive for it was Model 341.

Links

• US Patent 4,482,929