Elastic membrane for semiconductor wafer polishing

- EBARA CORPORATION
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Description

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, a rear view being identical thereto;

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

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 dash-dot lines in FIG. 7 represent the boundary line of the enlarged portion view shown in FIG. 8.

Claims

The ornamental design for an elastic membrane for semiconductor wafer polishing, as shown and described.

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Patent History
Patent number: D839224
Type: Grant
Filed: Jun 9, 2017
Date of Patent: Jan 29, 2019
Assignee: EBARA CORPORATION (Tokyo)
Inventors: Satoru Yamaki (Tokyo), Makoto Fukushima (Tokyo), Keisuke Namiki (Tokyo), Osamu Nabeya (Tokyo), Shingo Togashi (Tokyo), Tomoko Owada (Tokyo), Masahiko Kishimoto (Tokyo)
Primary Examiner: Elizabeth J Oswecki
Application Number: 29/606,998