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Publication numberUSD568839 S1
Publication typeGrant
Application numberUS 29/276,360
Publication dateMay 13, 2008
Filing dateJan 23, 2007
Priority dateMay 17, 2004
Also published asUSD543160
Publication number276360, 29276360, US D568839 S1, US D568839S1, US-S1-D568839, USD568839 S1, USD568839S1
InventorsMasaru Mitsui, Shigekazu Matsui, Masao Ushida, Osamu Nagarekawa
Original AssigneeHoya Corporation
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Photomask blank
US D568839 S1
Abstract  available in
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  1. The ornamental design for a photomask blank, as shown and described.

FIG. 1 is a front elevational view of a photomask blank showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is an enlarged partial front view along line 77 in FIG. 1;

FIG. 8 is a reduced scale front, left side, top perspective view of the portion shown in FIG. 7; and,

FIG. 9 is a sectional view along line 99 in FIG. 7.

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

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
USD739363 *Dec 31, 2012Sep 22, 2015Soraa, Inc.Array of triangular semiconductor dies
USD751999 *Jun 3, 2013Mar 22, 2016Soraa, Inc.Array of triangular semiconductor dice
USD763806 *Jun 3, 2013Aug 16, 2016Soraa, Inc.Triangular semiconductor die
U.S. ClassificationD13/182