| 摘要 |
PROBLEM TO BE SOLVED: To simultaneously position two or more components and to reduce costs for an optical head. SOLUTION: A presser spring 31 is used for manufacturing the optical spring. The presser spring 31 has two or more pressing parts 32a, 32b, 33a, 33b, 34a and 34b which press the two or more components to respectively corresponding fitting reference levels when the presser spring 31 is fitted to a housing for housing the two or more components. COPYRIGHT: (C)2008,JPO&INPIT
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