THERMAL MANAGEMENT IN AN OPTICAL SUB-ASSEMBLY
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United States of America Patent
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Issued Date -
Aug 29, 2024
app pub date -
Apr 11, 2023
filing date -
Feb 28, 2023
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Abstract
An optical sub-assembly includes a housing; at least one component integrated within the housing, wherein the at least one component is configured to generate heat during operation; and a heat spreader integrated as part of the housing or integrated within the housing. The heat spreader is thermally coupled to the at least one component to receive heat from the at least one component. The heat spreader contains a phase change material that is configured to undergo phase transitions between a first phase state and a second phase state. The heat spreader is configured to utilize the phase transitions to spread heat throughout the heat spreader. The heat spreader is configured to equalize a heat load or minimize a temperature gradient of the optical sub-assembly.
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