Jig for measuring withstand voltage of semiconductor element

Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view of a first embodiment of the jig for measuring withstand voltage of semiconductor element, which has tapped holes used to hold a substrate provided with a semiconductor element and has a hollow to contain insulating liquid to submerge the substrate during measurement of a withstanding voltage of the element, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a left side view thereof;

FIG. 7 is a front perspective view thereof;

FIG. 8 is a sectional view taken along line 8-8 of FIG. 3 thereof;

FIG. 9 is a referential top plan view showing the state in use thereof; and,

FIG. 10 is a referential front perspective view showing the state in use thereof.

The broken line showing is for illustrative purpose only and forms no part of the claimed design.

Claims

The ornamental design for a jig for measuring withstand voltage of semiconductor element, as shown and described.

Referenced Cited
U.S. Patent Documents
2963390 December 1960 Dickson, Jr.
5729020 March 17, 1998 Matsushita et al.
6164454 December 26, 2000 Freund et al.
6555841 April 29, 2003 Sakushima et al.
6638865 October 28, 2003 Tanaka
6767803 July 27, 2004 Tsujimoto
6848579 February 1, 2005 Cleaver
7005718 February 28, 2006 Wester
8357980 January 22, 2013 Williams et al.
Patent History
Patent number: D716678
Type: Grant
Filed: Mar 15, 2013
Date of Patent: Nov 4, 2014
Assignee: Sumitomo Electric Industries, Ltd. (Osaka-shi)
Inventors: Misako Honaga (Osaka), Takeyoshi Masuda (Osaka)
Primary Examiner: Antoine D Davis
Application Number: 29/449,951
Classifications