Contactor for semiconductor IC testers

- Advantest Corporation
Description

FIG. 1 is a perspective view of a contactor for semiconductor IC testers showing my new design;

FIG. 2 is a top plan view in a reduced scale of FIG. 1;

FIG. 3 is a bottom plan in a reduced scale of FIG. 1;

FIG. 4 is a front elevational view in a reduced scale of FIG. 1, the rear elevational view being a mirror image of the front elevational view;

FIG. 5 is a left side elevational view in a reduced scale of FIG. 1, the right side elevational view beign a mirror image of the left side elevational view; and,

FIG. 6 is an enlarged center horizontal cross-sectional view of FIG. 2.

Referenced Cited
U.S. Patent Documents
D239006 March 1976 Kelley
D305224 December 26, 1989 Iwashita
D312816 December 11, 1990 Huang
D404710 January 26, 1999 Lai et al.
Patent History
Patent number: D421968
Type: Grant
Filed: Oct 20, 1998
Date of Patent: Mar 28, 2000
Assignee: Advantest Corporation
Inventor: Shigeru Matsumura (Tokyo)
Primary Examiner: Adir Aronovich
Law Firm: Christie, Parker & Hale, LLP
Application Number: 0/95,314