CONTACT PROBE AND SOCKET, MANUFACTURING METHOD OF TUBE PLUNGER, AND MANUFACTURING METHOD OF THE CONTACT PROBE

Title:

CONTACT PROBE AND SOCKET, MANUFACTURING METHOD OF TUBE PLUNGER, AND MANUFACTURING METHOD OF THE CONTACT PROBE

Document Type and Number:

Japanese Patent JP2011191104

Kind Code:

A

Abstract:

To provide a manufacturing method of a tube plunger which does not depend on press working and rounding, and which differs from a bag-like hollow plunger so that quality control of gold plating is not necessary or is easy.

A front-end part of the tubular metal material 20, including a gold layer 22 on the inner surface, with a reduced diameter. The part with reduced diameter is cut to make a notch 30; the part having the notch 30 is bent toward the inside; the tip side from the part bent inside is partly reduced in diameter to form a convex part 40 having a large diameter; and the tubular metal material 20 is cut off at the tip of the part which is reduced in diameter.

More Like This:

JP3346279

[Title of the Invention] A contact probe, a probe device including the contact probe, and a method for manufacturing the contact probe.

Inventors:

NAGATA TAKAHIRO
OKUNO TAKEYOSHI
SAKIYAMA SHIN
NAGASHIMA MASANORI

Application Number:

JP2010055641A

Publication Date:

September 29, 2011

Filing Date:

March 12, 2010

Export Citation:

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Assignee:

ADVANTEST CORP
YOKOWO SEISAKUSHO KK

International Classes:

G01R1/067

Domestic Patent References:

JP2004340867A	2004-12-02
JP2006269366A	2006-10-05
JP2008039496A	2008-02-21
JP2006010538A	2006-01-12
JP2005221309A	2005-08-18
JP2008046100A	2008-02-28
JP2008039456A	2008-02-21
JP2004247170A	2004-09-02
JP2004192968A	2004-07-08
JP2011142015A	2011-07-21

Attorney, Agent or Firm:

Takashi Murai
Hiromi Murai

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