| 摘要 |
PROBLEM TO BE SOLVED: To provide a plunger for a contact probe requested to be fine in a diameter and to be dense in mounting density to cope with a large capacity of a memory device and miniaturization of a package, and also to provide a manufacturing method therefor. SOLUTION: In this plunger for the contact probe, the first ring body having an inner circumference abutting to an outer circumference of a connecting pin terminal is fixed to a base end part of the columnar connecting pin terminal of thin diameter, and the second ring body having an inner circumference abutting to the outer circumference of the connecting pin terminal is fixed in a position with a prescribed space from the base end part toward a tip side. COPYRIGHT: (C)2007,JPO&INPIT
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