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:
Aug. 12, 2014
Filed:
Jun. 13, 2011
Thomas Kopp, Wolfach, DE;
Jörn Jacob, Kirnbach, DE;
Martin Mellert, Steinach, DE;
Josef Fehrenbach, Haslach, DE;
Thomas Deck, Wolfach, DE;
Thomas Kopp, Wolfach, DE;
Jörn Jacob, Kirnbach, DE;
Martin Mellert, Steinach, DE;
Josef Fehrenbach, Haslach, DE;
Thomas Deck, Wolfach, DE;
VEGA Grieshaber KG, Wolfach, DE;
Abstract
The invention is for a method and apparatus for a pressure measuring cell for measuring a metered pressure, with a base body having at least one base body electrode and with a membrane body connected to the base body to form a sensor chamber, which has at least one membrane electrode and can be subjected to the pressure of a medium that is below the measurement pressure, wherein both the wall of the sensor chamber that is formed by the base body and the wall of the sensor chamber that is formed by the membrane body is covered with a protective layer; according to the invention, the protective layer is fashioned as a glass layer.