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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Main Authors | , |
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Format | Patent |
Language | English |
Published |
22.09.2020
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Subjects | |
Online Access | Get full text |
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Summary: | 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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Bibliography: | Application Number: US201916591892 |