The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jul. 13, 2004

Filed:

Aug. 05, 2002
Applicant:
Inventors:

Jin-Hyeung Jang, Hwsang-Gun, KR;

Hak-Young Kim, Suwon, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A01J 3/720 ; G21K 5/10 ; H01J 3/7317 ;
U.S. Cl.
CPC ...
A01J 3/720 ; G21K 5/10 ; H01J 3/7317 ;
Abstract

A rotary shaft and a rotating body are connected in such a way as to stably control the tilt of a wafer platen in an ion implanter. The rotary shaft has a key way and the rotating body has a boss into which the rotary shaft extends. A key integrates the rotary shaft and the rotary body so that they rotate together without slipping relative to each other. An end cap is screwed onto the rotary body over the end of the rotary shaft and the key. As a result, the wafer platen can be maintained at an accurate orientation or tilt relative to the ion beam produced by the implanter.


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