WESTERN DIGITAL (FREMONT), LLC

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G11B INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER 45818
 
  
 
B44C PRODUCING DECORATIVE EFFECTS 3510
 
  
 
H01L SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR 24338
 
  
 
H04R LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS 2186
 
  
 
G03F PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR 1292
 
  
 
G02B OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS 11194
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS990
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 885
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 7152
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 660

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0351,213 APPARATUS AND METHOD HAVING TDMR READER TO READER SHUNTSAug 11, 16Dec 01, 16[G11B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9922672 Dual free layer magnetic reader having a rear bias structure having a high aspect ratioAug 12, 16Mar 20, 18[G11B]
9902023 Systems and devices for achieving high throughput attachment and sub-micron alignment of componentsJun 24, 15Feb 27, 18[B23K, G11B]
9881638 Method for providing a near-field transducer (NFT) for a heat assisted magnetic recording (HAMR) deviceDec 17, 14Jan 30, 18[H04R, G11B]
9870788 Method of adjusting tilt using magnetic erase width feedbackMay 13, 14Jan 16, 18[B24B, G11B]
9858951 Method for providing a multilayer AFM layer in a read sensorDec 01, 15Jan 02, 18[G11B, H01F]
9842615 Magnetic reader having a nonmagnetic insertion layer for the pinning layerJun 26, 15Dec 12, 17[G11B]
9830936 Magnetic read head with antiferromagentic layerNov 17, 15Nov 28, 17[G11B]
9812155 Method and system for fabricating high junction angle read sensorsNov 23, 15Nov 07, 17[G11B]
9805748 System and method for providing a protective layer having a graded intermediate layerJun 24, 14Oct 31, 17[C23C, H01J, G11B]
9799351 Short yoke length writer having assist coilsNov 30, 15Oct 24, 17[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0329,064 METHOD FOR MAKING ULTRA-NARROW READ SENSOR AND READ TRANSDUCER DEVICE RESULTING THEREFROMAbandonedJun 29, 16Nov 10, 16[G11B]
2016/0322,072 BOND PAD CONFIGURATIONS FOR MAGNETIC RECORDING HEAD SLIDERAbandonedJul 11, 16Nov 03, 16[G11B]
2016/0284,989 SYSTEMS AND METHODS FOR CONTROLLING SOFT BIAS THICKNESS FOR TUNNEL MAGNETORESISTANCE READERSAbandonedJun 10, 16Sep 29, 16[H01L, G01R]
2016/0275,971 SLIDER BACK SIDE ETCHING TO INCREASE SHEAR STRENGTH BETWEEN SUSPENSION AND SLIDERAbandonedMay 25, 16Sep 22, 16[G11B]
2016/0265,908 DETECTING THICKNESS VARIATION AND QUANTITATIVE DEPTH UTILIZING SCANNING ELECTRON MICROSCOPY WITH A SURFACE PROFILERAbandonedMay 25, 16Sep 15, 16[H01J, G01B]
2016/0176,705 SYSTEMS AND METHODS FOR FORMING MEMS ASSEMBLIES INCORPORATING GETTERSAbandonedNov 17, 15Jun 23, 16[B81C, B81B]
2016/0176,706 SYSTEMS AND METHODS FOR FORMING MEMS ASSEMBLIES INCORPORATING GETTERSAbandonedNov 17, 15Jun 23, 16[B81C]
2016/0154,310 METHOD FOR EXPOSING PHOTORESIST IN A MICROELECTRIC DEVICEAbandonedFeb 08, 16Jun 02, 16[G03F]
2016/0125,899 PMR WRITER WITH CONSTANT SIDE WALL ANGLEAbandonedJan 13, 16May 05, 16[G11B]
2016/0099,013 METHOD TO MAKE INTERFEROMETRIC TAPER WAVEGUIDE FOR HAMR LIGHT DELIVERYAbandonedOct 19, 15Apr 07, 16[G11B]
2016/0061,592 SYSTEMS AND METHODS FOR USING WHITE LIGHT INTERFEROMETRY TO MEASURE UNDERCUT OF A BI-LAYER STRUCTUREAbandonedNov 11, 15Mar 03, 16[G01B]
2016/0055,865 METHOD FOR PROVIDING A MAGNETIC RECORDING TRANSDUCER USING A CHEMICAL BUFFERAbandonedNov 02, 15Feb 25, 16[G11B]
2016/0005,426 METHOD AND APPARATUS FOR CONTROLLING CAMBER ON AIR BEARING SURFACE OF A SLIDERAbandonedSep 14, 15Jan 07, 16[B26D, G11B]
2015/0380,026 HEATED AFM LAYER DEPOSITION AND COOLING PROCESS FOR TMR MAGNETIC RECORDING SENSOR WITH HIGH PINNING FIELDAbandonedSep 03, 15Dec 31, 15[G11B]
2014/0175,050 METHOD FOR PROVIDING A MAGNETIC RECORDING TRANSDUCER INCLUDING A WRAPAROUND SHIELD AND A RECTANGULAR POLEAbandonedDec 21, 12Jun 26, 14[G11B]
8670211 Method and system for providing high magnetic flux saturation CoFe filmsExpiredJun 21, 11Mar 11, 14[C25D, G11B]
8628672 Process for manufacturing a perpendicular magnetic recording writer pole with nonmagnetic bevelExpiredJun 27, 12Jan 14, 14[B44C]
8625224 Characterizing magnetic recording parameters of a disk drive by evaluating track profile of dual microtracksExpiredMay 04, 12Jan 07, 14[G11B]
8607438 Method for fabricating a read sensor for a read transducerExpiredDec 01, 11Dec 17, 13[H04R, G11B]
8603593 Method for providing an improved hard bias structureExpiredSep 17, 12Dec 10, 13[H05H]

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