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.
Patent No.:
Date of Patent:
Feb. 22, 2011
Filed:
Jan. 12, 2004
Applicant:
Aseem K. Srivastava, Germantown, MD (US);
Inventor:
Aseem K. Srivastava, Germantown, MD (US);
Assignee:
Axcelis Technologies, Inc., Santa Clara, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 16/455 (2006.01); C23C 16/44 (2006.01); C23C 16/06 (2006.01); C23C 16/22 (2006.01);
U.S. Cl.
CPC ...
Abstract
A baffle plate assembly for distributing gas flows into an adjacent process chamber containing a semiconductor wafer to be processed includes a planar gas distribution portion having a plurality of apertures therein; a flange surrounding the gas distribution portion; and an impingement device centrally attached to the gas distribution portion, wherein the device includes a cap and a stem, the stem being in thermal contact with the gas distribution portion. Also disclosed herein are plasma reactors employing the baffle plate assembly and methods for reducing recombination of species in a plasma.