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:
Sep. 11, 2012
Filed:
Jan. 21, 2011
Oliver Rattunde, Werdenberg, CH;
Stephan Voser, Grabs, CH;
Oliver Rattunde, Werdenberg, CH;
Stephan Voser, Grabs, CH;
OC Oerlikon Balzers AG, Balzers, LI;
Abstract
A method for the deposition of an anti-reflection film on a substrate is disclosed. A substrate including a plurality of solar cell structures is provided and placed in a vacuum chamber with a target including silicon. A flow of a nitrogen-containing reactive gas into the vacuum chamber is set to a first value while a voltage between the target and ground is switched off and then increased to a second value. A voltage is applied between the target and ground, whereby a film of silicon and nitrogen is deposited on the substrate in a flow of the nitrogen-containing reactive gas which is higher than the first value.