| 摘要 |
This invention provides an optical module with a hot-pluggable configuration in which a mechanical stress induced by the difference of the thermal co-efficient of the wiring substrate and the housing of the module, whereby the reliability of the module is enhanced. The optical module of the invention comprises tow optical sub-assemblies 12, 14, a wiring substrate 18, a housing 20, and holder 22. The housing includes a front space in which the sub-assemblies are enclosed and a rear space enclosing the wiring substrate. The holder has a resilient portion for pressing the wiring substrate against the rear space of the housing. A stopper is provided on the partition wall between the front space and the rear space of the housing, to which the wiring substrate is pressed.
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