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:
May. 31, 2005
Filed:
Dec. 20, 2001
Eiji Takahashi, Osaka, JP;
Yukihiro Fukumoto, Hirakata, JP;
Yoshiyuki Saito, Katano, JP;
Osamu Shibata, Moriguchi, JP;
Shinichi Tanimoto, Katano, JP;
Takeshi Nakayama, Katano, JP;
Eiji Takahashi, Osaka, JP;
Yukihiro Fukumoto, Hirakata, JP;
Yoshiyuki Saito, Katano, JP;
Osamu Shibata, Moriguchi, JP;
Shinichi Tanimoto, Katano, JP;
Takeshi Nakayama, Katano, JP;
Matsushita Electric Industrial Co., Ltd., Osaka-fu, JP;
Abstract
A signal line, being in a six-layer board and connecting terminalof componentwith terminalof componentrequires tamper-resistance. The signal line is composed of foilon an outside layer, a viafoilon the third layer, viafoilon the fourth layer, viaand foilon the sixth layer. Portions of the signal line that exist on outside layers are all hidden under circuit components. Foiland an end of viaare placed under componenton first layeran end of viais placed under componenton layeran end of viais placed under componenton layerthe other end of viais placed under componenton sixth layerthe other end of viais placed under componenton layerand foiland the other end of viaare placed under componenton layer
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile