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:
Apr. 13, 2010
Filed:
Dec. 22, 2003
Miki Kasabo, Kusatsu, JP;
Kenichi Hatakeyama, Himeji, JP;
Yoichi Fujimura, Otsu, JP;
Toray Industries, Inc., Tokyo, JP;
Abstract
A sheet material for a radio wave absorber and a radio wave absorber formed from the sheet material, where the sheet material is light weighted and has excellent form-retaining capability and workability for field assembling. A sheet material () for a radio wave absorber has a corrugated paperboard structure with an undulated corrugated medium () and a planar liner () that are layered over each other. The corrugated medium () and/or the liner () are constructed from a sheet including an electrical-loss material. A radio wave absorber () is characterized in that the sheet material () for a radio wave absorber is cut, folded, and assembled as a hollow three-dimensional structure body, which has a shape of wedge, polygonal pyramid, or polygonal cylinder.