Magnetic film memory systems

The factors which must be considered in a magnetic film memory system design are enumerated. Particular attention is given to optimizing the amount of flux in a storage cell and the minimum signal requirements. The analyses performed indicate that memory size, memory speed, memory organization, and integrated circuit drive capability determine optimum requirements for storage flux in a magnetic cell. Thermal noise in the sensing system establishes a minimum signal level as a function of memory speed and amplifier bandwidth.