Reel bobbin for a wire saw for semiconductors

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Description

FIG. 1 is a perspective view of a reel bobbin for a wire saw for semiconductors;

FIG. 2 is a front elevational view thereof, the rear elevational view, the top plan view, and the bottom plan view being identical with FIG. 2;

FIG. 3 is a right side elevational view thereof, the left side elevational view being a mirror image of FIG. 3; and,

FIG. 4 is a referential view showing location of the present article in a wire saw for semiconductors.

Referenced Cited
U.S. Patent Documents
D244808 June 28, 1977 Ubermuth
D250338 November 21, 1978 LaPierre
1783339 December 1930 Mitchell
2853252 September 1958 Thiel
Patent History
Patent number: D399857
Type: Grant
Filed: Aug 5, 1997
Date of Patent: Oct 20, 1998
Assignee: Nippei Toyama Corporation
Inventor: Yukihiro Kanemichi (Yokosuka)
Primary Examiner: Antoine Duval Davis
Law Firm: Trask, Britt & Rossa
Application Number: 0/74,079
Classifications
Current U.S. Class: Element Or Attachment (D15/138); Element Or Attachment (D15/78)
International Classification: 1509;