Micro-actuator transducer stack inertia cancellation control

An inertia control for a disk drive micro-actuator controlled reading/recording transducer stack with minimized micro actuator control input/output comprising:

• a plurality of data storage disks rotatably disposed in a stack surrounding an axis of rotation, each said data storage disk axis of rotation coincident with all other storage disk axes of rotation;
• at least a pair of actuator arms, each supporting a magnetic read/write transducer on a distal portion thereof, disposed one on each side of each of said data storage disks;
• each of said actuator arms further comprising at least one suspension arm comprising said magnetic read/write transducer and a micro-actuator controllable to dispose said magnetic read/write transducer in one of a plurality of locations on both sides of a null position of said transducer;
• an actuator connected to all of said actuator arms for displacing said arms and said transducers relative to said disks for establishing a null position of each of said transducers relative to said actuator arms;
• substantially equal numbers of said micro-actuators disposed in reversed orientation relative to said suspension arm and electrically connected to effect movement in opposite directions relative to said data storage disks in response to a single electronic signal conveyed to all micro-actuators, to effect movement of said magnetic read/write transducers to one of said plurality of locations, and
• whereby, said movement of one-half of said magnetic read/write heads in a first direction cancels and neutralizes inertia effects of said other substantially equal number of said magnetic read/write heads in an opposite, second direction in response to said single electronic signal.