What does Bubble memory mean?

Bubble memory meaning in Computer Science Dictionary

Non-volatile memory composed with a thin layer of product that can be magnetized in only one direction. When a magnetic industry is placed on a circular area of this substance that's not magnetized in identical course, the area is paid down to an inferior group, or bubble. During the first phases while bubble memory was released it was extensively believed that it could become among the leading memory technologies, but these promises have not been satisfied. Various other non-volatile memory kinds, eg EEPROM is faster much less costly.