G11B5/2654 - CPC Classification Index

ClassID:

197749 ⎘

G11B5/2654 - CPC Classification

Classification description:

Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor; Structure or manufacture of heads, e.g. inductive; Structure or manufacture of a head with more than one gap for erasing, recording or reproducing on the same track with more than one gap simultaneously operative for recording or erasing

Sub-classes:

G11B5/2655 » {with all the gaps disposed within the track or "guard band" between tracks, e.g. with erase gaps operative on track edges, with wide erase gap followed by narrow write gap} 12

Recent Application in this class:

20240087598

2024-03-14

Fast partial erasure for drive sanitization

20180301162

2018-10-18

Recording head with multiple magnetic writers simultaneously writing to adjacent tracks

20160180906

2016-06-23

Multi-level magnetic recording apparatus utilizing cooperative magnetization dynamics induced by spin-torque oscillator

20060132957

2006-06-22

Magnetic disk apparatus having an adjustable mechanism to compensate write or heat element for off-tracking position with yaw angle

16559372

2023-03-07

Three terminal magnetic recording head

15432131

2018-06-19

Recording head with multiple magnetic writers simultaneously writing to adjacent tracks