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:
Jan. 09, 2007
Filed:
Apr. 25, 2003
Suzanne Wakelin, Mountain View, CA (US);
Suzanne Wakelin, Mountain View, CA (US);
EM4, Inc., Bedford, MA (US);
Abstract
A getter and method for making is provided for removing unwanted impurities from the main body of a sealed hermetic enclosure or package containing one or more devices or objects that have sensitivity to contact with the impurity. The getter may be formulated from granular or powdered materials that react with gas-phase impurities through a combination of chemisorption and absorption mechanisms to form one or more stable species. A porous receptacle is included that contains the getter material such that it cannot penetrate into the main body of the sealed package while allowing the gases in the main body of the package, including the target impurities, to pass freely into the receptacle where they are subsequently rendered immobile by the action of the getter material.