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:
Dec. 16, 2014
Filed:
May. 26, 2011
Applicants:
Yoshihisa Kawate, Tokyo, JP;
Yuichi Tsubaki, Kanagawa, JP;
Masahiko Kobayashi, Kanagawa, JP;
Inventors:
Assignee:
3M Innovative Properties Company, St. Paul, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01R 13/24 (2006.01); G01R 1/04 (2006.01); H01L 23/32 (2006.01); H01R 12/71 (2011.01); H01R 13/6596 (2011.01);
U.S. Cl.
CPC ...
H01R 13/2421 (2013.01); G01R 1/0483 (2013.01); H01L 23/32 (2013.01); H01R 12/714 (2013.01); H01R 13/6596 (2013.01); G01R 1/045 (2013.01); H01L 2924/0002 (2013.01);
Abstract
To provides a contact holder, capable of compensating a change of signal transmission characteristic at the outer edge area of the substrate. A substratehas grounding conductive layersarranged on or above surfacesof the substrate, near a plunger of a signal transmitting contactEach grounding conductive layer is electrically connected to a conductive portionelectrically connected to each grounding contact, on surfaceorof substrateFurther, each grounding conductive layer is not electrically connected to the signal transmitting contact.