Patent
   D620085
Priority
May 08 2007
Filed
Nov 08 2007
Issued
Jul 20 2010
Expiry
Jul 20 2024
Assg.orig
Entity
unknown
8
6
n/a
The ornamental design for a gas supply pipe for manufacturing semiconductor wafers, as shown and described.

FIG. 1 is a perspective view of the design for a gas supply pipe for manufacturing semiconductor wafers in accordance with the invention;

FIG. 2 is a front view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a sectional view through line 77 of FIG. 2;

FIG. 8 is a sectional view through line 88 of FIG. 2; and,

FIG. 9 is a sectional view through line 99 of FIG. 2.

The rear view of the gas supply pipe for manufacturing semiconductor wafers appears the same as its front view shown in FIG. 1. It supplies reactive gas in a process tube for semiconductor manufacture.

Okada, Mitsuhiro

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Patent Priority Assignee Title
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Nov 06 2007OKADA, MITSUHIROTokyo Electron LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0204430404 pdf
Nov 08 2007Tokyo Electron Limited(assignment on the face of the patent)
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