Patents by Inventor Franciscus Marinus Andrea Maria Van Gaal

Franciscus Marinus Andrea Maria Van Gaal has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Method of Cleaning an Optical Face of a Refractive Element for a Near Field Optical Scanning Apparatus and a Cleaning Device for Cleaning an Optical Face of a Refractive Element for a Near Field Optical Scanning Apparatus

Publication number: 20080314407

Abstract: The invention provides a method and a device for cleaning of the optical face of a refractive element for a near field optical scanning apparatus. A magnetically susceptible cleaning material is used to facilitate effective cleaning of the refractive element without damage to the element. The method according to the invention can be combined with known cleaning methods if desired.

Type: Application

Filed: December 6, 2006

Publication date: December 25, 2008

Applicant: KONINKLIJKE PHILIPS ELECTRONICS, N.V.

Inventors: Dominique Maria Bruls, Jacobus Maria Antonius Van Den Eerenbeemd, Franciscus Marinus Andrea Maria Van Gaal

Method of Cleaning an Optical Face of a Refractive Element for a Near Field Optical Scanning Apparatus and a Cleaning Device for Cleaning an Optical Face of a Refractive Element for a Near Field Optical Scanning Apparatus