Tetrode deceleration lens

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Description

FIG. 1 is an isometric view of my new design;

FIG. 2 is a reverse isometric view of the design of FIG. 1;

FIG. 3 is a first side view of the design of FIG. 1;

FIG. 4 is a second side view of the design of FIG. 1;

FIG. 5 is a first end view of the design of FIG. 1;

FIG. 6 is a second end view of the design of FIG. 1;

FIG. 7 is a top view of the design of FIG. 1; and,

FIG. 8 is a bottom view of the design of FIG. 1.

The broken lines illustrate the environmental structure and form no part of the claimed design.

Claims

The ornamental design for a tetrode deceleraton lens, as shown and described.

Referenced Cited
U.S. Patent Documents
4649048 March 10, 1987 Johnson
D407485 March 30, 1999 Lanza
D420455 February 8, 2000 Haba
D607126 December 29, 2009 Sakai
D625847 October 19, 2010 Maglica
D634863 March 22, 2011 Leung
D674478 January 15, 2013 Inoue
Patent History
Patent number: D832994
Type: Grant
Filed: Apr 21, 2016
Date of Patent: Nov 6, 2018
Assignee: VARIAN SEMICONDUCTOR EQUIPMENT ASSOCIATES, INC. (Gloucester, MA)
Inventor: W. Davis Lee (Newburyport, MA)
Primary Examiner: Marcus Jackson
Application Number: 29/561,959
Classifications