Patent
   D913977
Priority
Dec 12 2016
Filed
Dec 10 2018
Issued
Mar 23 2021
Expiry
Mar 23 2036
Assg.orig
Entity
unknown
5
53
n/a
The ornamental design for an elastic membrane for semiconductor wafer polishing, as shown and described.

FIG. 1 is a bottom perspective view of an elastic membrane for semiconductor wafer polishing showing our new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a front view thereof, rear view being identical;

FIG. 6 is a right-side view thereof, left-side view being identical;

FIG. 7 is a cross-sectional view taken along line 7-7 of FIG. 4; and,

FIG. 8 is an enlarged portion view labeled FIG. 8 in FIG. 7.

The portions of the elastic membrane shown in even broken lines form no part of the claimed design. The dashed-dot lines in the drawings represent the boundary lines of the claimed design. The box labeled FIG. 8 shown in even broken lines in FIG. 7 defines the enlarged portion view of FIG. 8.

Fukushima, Makoto, Nabeya, Osamu, Namiki, Keisuke, Togashi, Shingo, Yamaki, Satoru, Owada, Tomoko, Kishimoto, Masahiko

Patent Priority Assignee Title
D981969, Dec 18 2020 Ebara Corporation Elastic membrane for semiconductor wafer polishing apparatus
D989012, Sep 17 2020 Ebara Corporation Elastic membrane
ER4518,
ER6966,
ER8863,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Dec 10 2018Ebara Corporation(assignment on the face of the patent)
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