HEAT-ASSISTED MAGNETIC RECORDING DEVICE INCORPORATING LASER HEATER FOR IMPROVED LASER STABILITY

HEAT-ASSISTED MAGNETIC RECORDING DEVICE INCORPORATING LASER HEATER FOR IMPROVED LASER STABILITY

An apparatus comprises a slider configured to facilitate heat assisted magnetic recording and a submount affixed to the slider. A laser unit is affixed to the submount and comprises a laser operable in a non-lasing state and a lasing state. A heater is embedded in the laser unit or the submount. The...

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Hauptverfasser: Wessel, James Gary, Hipwell, JR., Roger L
Format: Patent
Sprache:eng
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INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
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creator Wessel, James Gary
Hipwell, JR., Roger L
description An apparatus comprises a slider configured to facilitate heat assisted magnetic recording and a submount affixed to the slider. A laser unit is affixed to the submount and comprises a laser operable in a non-lasing state and a lasing state. A heater is embedded in the laser unit or the submount. The heater is configured to generate preheat for heating the laser during the non-lasing state and to generate steering heat for heating the laser during the lasing state.
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subjects INFORMATION STORAGE
INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORDCARRIER AND TRANSDUCER
PHYSICS
title HEAT-ASSISTED MAGNETIC RECORDING DEVICE INCORPORATING LASER HEATER FOR IMPROVED LASER STABILITY
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