Electrostatic chuck

- NGK Insulators, Ltd.
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front view of an electrostatic chuck illustrating my new design;

FIG. 2 is a rear 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, the bottom plan view being a mirror image of the plan view shown; and,

FIG. 6 is a partial cross-sectional view taken through line 66 of FIG. 1.

The broken lines shown in the figures are for illustrative purposes only and form no part of the claimed design.

Claims

The ornamental design for an electrostatic chuck, as shown and described.

Referenced Cited
U.S. Patent Documents
5998320 December 7, 1999 Yamada et al.
6370004 April 9, 2002 Yamaguchi
D548705 August 14, 2007 Hayashi
D552565 October 9, 2007 Nakamura et al.
7457098 November 25, 2008 Nakamura
D587222 February 24, 2009 Sasaki et al.
20070146961 June 28, 2007 Morioka et al.
20070247779 October 25, 2007 Nakamura
20080037194 February 14, 2008 Kamitani et al.
20080144251 June 19, 2008 Tao et al.
Foreign Patent Documents
403730 September 2000 TW
577861 March 2004 TW
286812 September 2007 TW
Patent History
Patent number: D609655
Type: Grant
Filed: Mar 19, 2009
Date of Patent: Feb 9, 2010
Assignee: NGK Insulators, Ltd. (Nagoya)
Inventor: Hiroya Sugimoto (Nagoya)
Primary Examiner: Selina Sikder
Attorney: Burr & Brown
Application Number: 29/334,036