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Inventor

James Gary Wessel

Inventor
Savage, MN, US

Overview

74→
Patents
2006–2021
Patent span
Physics
Primary field (CPC G)

Patents· 74 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer65%
H01SDevices using the process of light amplification by stimulated emission of radiation [laser] to amplify or generate light8%
G02BOptical elements, systems or apparatus6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light5%
G01KMeasuring temperature4%
B23KSoldering or unsoldering2%
F16CShafts2%
G01RMeasuring electric variables2%
Y10TTechnical subjects covered by former us classification2%
B24BMachines, devices, or processes for grinding or polishing1%
PatentTitleYear
11,100,951Heat-assisted magnetic recording device incorporating laser heater for improved laser stability202111,037,585Method of processing a slider202110,943,608Heat-assisted magnetic recording device incorporating laser diode temperature control using common-mode voltage202110,902,876Thermal management of laser diode mode hopping for heat assisted media recording202110,783,918Heat-assisted magnetic recording device incorporating laser heater for improved laser stability202010,699,732Devices including a diffusion barrier layer202010,657,998Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head202010,580,446Heat-assisted magnetic recording device incorporating laser diode temperature control using common-mode voltage202010,540,998Thermal management of laser diode mode hopping for heat assisted media recording202010,410,659Write coil cooling arrangement at air bearing surface201910,410,669Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device201910,395,680Leading edge thermal sensor for a heat-assisted magnetic recording head201910,325,622Thermal management of laser diode mode hopping for heat assisted media recording201910,297,282Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head201910,283,151Laser diode with integrated temperature control unit for a heat-assisted magnetic recording device201910,283,152Near-field transducer with a dielectric slit at internal surfaces for controlling feedback to a light source201910,249,328Write coil cooling arrangement at air bearing surface201910,186,291Bond pad sharing in head slider using null point center tap201910,147,446Heat-assisted magnetic recording head configured to conduct heat away from slider components to a substrate201810,127,940Bolometer with temperature compensation for internal laser power monitoring in heat-assisted magnetic recording device201810,127,937Optically opaque overlay for a waveguide of a heat-assisted magnetic recording slider201810,074,386Magnetic writer coil incorporating integral cooling fins201810,068,593Bolometer with low scattering for a heat-assisted magnetic recording slider201810,056,101Contact detection and laser power monitoring sensor for heat-assisted magnetic recording head201810,032,468Heat-assisted magnetic recording head configured to conduct heat away from slider components to a substrate20189,947,358Laser diode unit with enhanced thermal conduction to slider20189,940,965Thermal management of laser diode mode hopping for heat assisted media recording20189,934,801Optically opaque overlay with periodic structures for a waveguide of a heat-assisted magnetic recording slider20189,905,996'Heat assisted media recording device with reduced likelihood of laser mode hopping'20189,875,767Bolometer for internal laser power monitoring in heat-assisted magnetic recording device20189,875,760Interconnect interposer attachable to a trailing edge of a slider20189,870,787'Bolometer with low scattering for a heat-assisted magnetic recording slider'20189,837,112Optical reflectors for use with a near-field transducer20179,799,361'Dual purpose bolometric sensor for heat-assisted magnetic recording device'20179,786,308'Interconnect interposer attachable to a trailing edge of a slider'20179,754,617'Laser diode unit with enhanced thermal conduction to slider'20179,691,424'Bolometer for internal laser power monitoring in heat-assisted magnetic recording device'20179,558,775'Laser diode submount/slider interface with reduced thermal resistance'20179,558,764'Waveguide of a write head with reduced cross sectional area proximate a near-field transducer'20179,536,554'Apparatus with first and second close points on media-facing surface of magnetic head'20179,536,555'Dual purpose bolometric sensor for heat-assisted magnetic recording device'20179,396,749'Waveguide core layer with reduced downtrack thickness proximate a near-field transducer'20169,390,741'Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection'20169,336,800'Near-field transducer peg encapsulation'20169,304,253'Near-field transducer with flare peg'20169,281,659'Thermal management of laser diode mode hopping for heat assisted media recording'20169,202,479'Heat assisted magnetic recording head with write coil heatsink'20159,202,490'Apparatus with first and second close points on media-facing surface of magnetic head'20159,147,406'Write pole with corrosion barriers'20159,129,626'Near-field transducer with rounded or obtuse corners'20159,099,117'Near-field transducer peg encapsulation'20159,091,828'Method and apparatus for aligning a laser to a waveguide'20159,082,425'Magnetic shield with flux concentration feature'20159,076,475'Apparatuses and methods for controlling near-field transducer to write pole spacing'20159,042,050'Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection'20159,036,290'Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection'20159,019,646'Heat assisted magnetic recording device with pre-heated write element'20158,970,992'Write head with modified side shields'20158,923,100'Multi-portion heat sink for use with write pole and near-field transducer'20148,891,205'Apparatuses and methods for controlling near-field transducer to write pole spacing'20148,873,903'Method and apparatus for aligning a laser to a waveguide'20148,867,323'Controlling head-media spacing using a write coil'20148,848,316'Perpendicular write head with laminated side shields'20148,817,407'Heat assisted magnetic recording head'20148,810,952'Head transducer with multiple resistance temperature sensors for head-medium spacing and contact detection'20148,804,280'Actively synchronizing magnetic responses of a shield and a write pole'20148,675,315'Magnetic sensor with anisotropic liner'20148,659,855'Trilayer reader with current constraint at the ABS'20148,649,124'Double shell writers'20148,582,237'Selectively magnetic write gap insert'20138,564,910'Magnetic shield structure'20138,537,501'Write head with modified side shields'20138,470,463'Magnetic shield with in-plane anisotropy'20137,119,995'ESD shunt for transducing head'2006

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2006–2021Patents assigned to SEAGATE TECHNOLOGY LLC (74)· patent assignee history
2006–2021Based in Savage, MN, US· patent location history
2013–2015Patents assigned to WESSEL JAMES GARY (6)· patent assignee history
2013–2015Patents assigned to BENAKLI MOURAD (5)· patent assignee history
2013–2015Patents assigned to RIVKIN KIRILL ALEKSANDROVICH (3)· patent assignee history
2013–2014Patents assigned to WESSEL JAMES (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SEAGATE TECHNOLOGY LLC742006–2021
WESSEL JAMES GARYself62013–2015
BENAKLI MOURAD52013–2015
RIVKIN KIRILL ALEKSANDROVICH32013–2015
WESSEL JAMESself32013–2014
Locations
LocationPatentsSpan
Savage, Minnesota, US742006–2021