| 摘要 |
An optical element (10) is bonded to a support (12) by a resilient bonding agent (20). The bonding agent has the property of shrinking upon curing. It is placed within a bonding space (18) defined by rails (14, 16). Upon curing, the bonding agent shrinks and securely pulls the element against top surfaces (14a, 16a) of the rails under tension of the bonding agent.
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