Wave transmission lines and networks – Long lines – Shielded type
Reexamination Certificate
2008-07-15
2008-07-15
Lee, Benny (Department: 2817)
Wave transmission lines and networks
Long lines
Shielded type
C333S247000
Reexamination Certificate
active
07400222
ABSTRACT:
Disclosed herein are a transmission line of coaxial type and a manufacturing method thereof, capable of preventing a radiative signal loss of signal lines during transmission of an RF signal and removing signal interference between adjacent signal lines, thus allowing signal lines to be compactly arrayed during a manufacture of IC, and reducing a dimension of the IC. The transmission line of coaxial type includes grooves provided on a semiconductor substrate, a first ground layer, an electrically conductive epoxy coated on a flat part of the first ground layer except the grooves, second ground layers provided on the electrically conductive epoxy, a dielectric film provided at a position above the grooves and the second ground layers, a third ground layer provided on an upper surface of the dielectric film, and signal lines placed in spaces defined by the grooves and a lower surface of the dielectric film. In this case, the electrically conductive epoxy is coated on only contact surfaces of the first and second ground layers, and the signal lines are attached to the lower surface of the dielectric film.
REFERENCES:
patent: 5949312 (1999-09-01), Buer et al.
patent: 5990768 (1999-11-01), Takahashi et al.
patent: 6225878 (2001-05-01), Takahashi et al.
2003 IEEE MTT-S International Microwave Symposium Digest, vol. 3, dated Jun. 8-13, 2003, in Philadelphia, PA IEEE Catalog No. 03CH37411.
Ko Ju Hyun
Kwon Young Se
Shin Seong Ho
Graybeal Jackson Haley LLP
Korea Advanced Institute of Science & Technology
Lee Benny
LandOfFree
Grooved coaxial-type transmission line, manufacturing method... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Grooved coaxial-type transmission line, manufacturing method..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Grooved coaxial-type transmission line, manufacturing method... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2807608