バブル記き憶おく装そう置ち

noun

bubble memory

A non-volatile computer memory technology that uses a thin film of magnetic material to hold small magnetized areas, known as bubbles. Historical computing term; largely obsolete today.

• バブル記き憶おく装そう置ちは1970年ねん代だいに開かい発はつされた。

  Bubble memory was developed in the 1970s.