bubble memory

From being a type of computer memory that uses magnetic bubbles (magnetic domains) to store binary digits (bits).

• IPA^(key): /ˈbʌblˌmɛm(ə)ri/

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bubble memory (countable and uncountable, plural bubble memories)

1. (computing, historical) A type of non-volatile computer memory that uses a thin film of magnetic material to hold small magnetized areas, known as bubbles or domains, each storing one bit of data.
   • 1982 July 12, Paul Freiberger, “Bubble memory is no longer the stuff of dreams”, in InfoWorld, page 27:

     A year ago bubble memory was a hot topic of conversation. Promoters of the bubble school boasted that this new form of storage would eventually replace mini-floppy and Winchester-disk storage because it was cheaper, faster and more reliable.

• NVRAM (non-volatile random access memory) (erasable memory)
• RAM (random-access memory) (erasable memory)

• core memory

• bubble memory on Wikipedia.Wikipedia