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:
Oct. 14, 2003
Filed:
Aug. 19, 1996
Applicant:
Inventor:
Terry Tienyu Sheng, San Jose, CA (US);
Assignee:
Varian Semiconductor Equipment Associates, Inc., Gloucester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C 1/418 ; C23C 1/448 ; C23C 1/458 ; H05H 1/24 ;
U.S. Cl.
CPC ...
C23C 1/418 ; C23C 1/448 ; C23C 1/458 ; H05H 1/24 ;
Abstract
Implantation process for cold cathode plasma immersion ion implantation (C PI ) without a continuous plasma using very short high voltage, low duty cycle ionization pulses, in conjunction with a synchronously produced electron flow to neutralize positively charged wafer surfaces.