| 摘要 |
A mirror module including one or more rib elements made of the same materials as a rear plate and/or front plate. The rib elements are placed between the rear glass plate and the front glass plate to afford rigidity to the mirror module. Since the rib elements are made of the same materials as the rear plate and/or front plate, the rib elements have the same or similar coefficients of thermal expansion as the rear plate or the front plate. Consequently, when the mirror module is subject to temperature fluctuation, the rib elements exert less stress on the glass plates compared to structure elements made of the materials different from the rear or front glass plate. The rib elements may also be integrated with the rear plate to simplify the process for manufacturing the mirror module.
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