Multi-layer circuit board having ground shielding walls

Electricity: conductors and insulators – Conduits – cables or conductors – Preformed panel circuit arrangement

Reexamination Certificate

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C174S261000, C174S262000, C174S051000, C174S255000, C174S394000, C361S748000, C361S777000, C361S780000, C361S792000, C361S794000

Reexamination Certificate

active

07851709

ABSTRACT:
A circuit board includes a plurality of signal lines and a plurality of shielding walls. The shield walls are disposed between the signal lines. Each shield wall includes an upper surface, a lower surface, a rectangular groove, a first metal layer and a second metal layer. The lower surface is opposite to the upper surface. The rectangular groove extends from the upper surface to the lower surface. The first metal layer is disposed on the upper surface. The second metal layer is disposed in the rectangular groove and electrically connected to the first metal layer.

REFERENCES:
patent: 4368503 (1983-01-01), Kurosawa et al.
patent: 4845311 (1989-07-01), Schreiber et al.
patent: 5122475 (1992-06-01), Heckaman et al.
patent: 5160905 (1992-11-01), Hoang
patent: 5272600 (1993-12-01), Carey
patent: 5294897 (1994-03-01), Notani et al.
patent: 5308250 (1994-05-01), Walz
patent: 5372872 (1994-12-01), Funada et al.
patent: 5519363 (1996-05-01), Boudreau et al.
patent: 5639989 (1997-06-01), Higgins, III
patent: 5677515 (1997-10-01), Selk et al.
patent: 5917388 (1999-06-01), Tronche et al.
patent: 6000130 (1999-12-01), Chang et al.
patent: 6045208 (2000-04-01), Hirahara et al.
patent: 6072375 (2000-06-01), Adkins et al.
patent: 6091027 (2000-07-01), Hesselbom et al.
patent: 6307259 (2001-10-01), Asada et al.
patent: 6437669 (2002-08-01), Welstand et al.
patent: 6444922 (2002-09-01), Kwong
patent: 6466112 (2002-10-01), Kwon et al.
patent: 6570464 (2003-05-01), Tanabe et al.
patent: 6639487 (2003-10-01), Salmela et al.
patent: 6677248 (2004-01-01), Kwon et al.
patent: 6707682 (2004-03-01), Akiba et al.
patent: 6753253 (2004-06-01), Takahashi et al.
patent: 6774748 (2004-08-01), Ito et al.
patent: 6818477 (2004-11-01), Veitschegger et al.
patent: 6909333 (2005-06-01), Aikawa et al.
patent: 6933450 (2005-08-01), Okumichi et al.
patent: 6949992 (2005-09-01), Sweeney et al.
patent: 6965072 (2005-11-01), Gustafsson et al.
patent: 6987307 (2006-01-01), White et al.
patent: 7034640 (2006-04-01), Nguyen et al.
patent: 7151420 (2006-12-01), Brunker et al.
patent: 7187254 (2007-03-01), Su et al.
patent: 7193490 (2007-03-01), Shimoda
patent: 7199504 (2007-04-01), Komuro et al.
patent: 7202755 (2007-04-01), Tabatabai
patent: 7400222 (2008-07-01), Kwon et al.
patent: 7404250 (2008-07-01), Cheng et al.
patent: 7405477 (2008-07-01), Tao et al.
patent: 7432776 (2008-10-01), Kwong et al.
patent: 7498973 (2009-03-01), Tevs et al.
patent: 7535325 (2009-05-01), Mueller-Fiedler et al.
patent: 2002/0130739 (2002-09-01), Cotton
patent: 2003/0071700 (2003-04-01), Kwon et al.
patent: 2003/0089522 (2003-05-01), Dances
patent: 2003/0097806 (2003-05-01), Brown
patent: 2003/0169133 (2003-09-01), Torigoe et al.
patent: 2003/0213619 (2003-11-01), Denzene et al.
patent: 2004/0040739 (2004-03-01), Yoshimura et al.
patent: 2005/0045376 (2005-03-01), Lee et al.
patent: 2005/0146390 (2005-07-01), Baek
patent: 2005/0156692 (2005-07-01), Dove et al.
patent: 2006/0226928 (2006-10-01), Henning et al.

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