A Shingled Disk Drive (SDD) is a hard disk drive recording magnetic patterns of data on a writable disk surface in overlapping circular tracks using shingled perpendicular magnetic recording (SMR)), also referred to as a SMR drive.G11B5/012- Recording on, or reproducing or erasing from, magnetic disksĪs used in the following description and claims, the following terms should be broadly understood as follows:.G11B5/00- Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor.G11B- INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER.238000010922 spray-dried dispersion Methods 0.000 description 1.238000004519 manufacturing process Methods 0.000 description 1.230000002085 persistent Effects 0.000 claims abstract description 17.238000003860 storage Methods 0.000 claims abstract description 32.OC()=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims abstract description 54 UIIMBOGNXHQVGW-UHFFFAOYSA-M buffer Substances.Status Active legal-status Critical Current Adjusted expiration legal-status Critical Links RELEASE OF SECURITY INTEREST AT REEL 052915 FRAME 0566 Assignors: JPMORGAN CHASE BANK, N.A. reassignment WESTERN DIGITAL TECHNOLOGIES, INC. Assigned to WESTERN DIGITAL TECHNOLOGIES, INC. Assignors: WESTERN DIGITAL TECHNOLOGIES, INC.
Assigned to JPMORGAN CHASE BANK, N.A., AS AGENT reassignment JPMORGAN CHASE BANK, N.A., AS AGENT SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Publication of US20120303867A1 publication Critical patent/US20120303867A1/en Publication of US8719632B2 publication Critical patent/US8719632B2/en Application granted granted Critical Assigned to WESTERN DIGITAL TECHNOLOGIES, INC. Assignors: HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. CHANGE OF NAME (SEE DOCUMENT FOR DETAILS). Assignors: HALL, DAVID ROBISON Priority to US13/207,852 priority Critical patent/US8719632B2/en Application filed by Hitachi Global Storage Technologies Netherlands BV filed Critical Hitachi Global Storage Technologies Netherlands BV Assigned to HGST Netherlands B.V. reassignment HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US201161489174P external-priority Assigned to HITACHI GLOBAL STORAGE TECHNOLOGIES NETHERLANDS B.V.
Original Assignee Hitachi Global Storage Technologies Netherlands BV Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ( en Inventor David Robison Hall Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Granted Application number US13/207,852 Other versions US8719632B2 Google Patents US20120303867A1 - Implementing enhanced epo protection for indirection data US20120303867A1 - Implementing enhanced epo protection for indirection data
0 kommentar(er)
