Metal working – Method of mechanical manufacture – Electrical device making
Reexamination Certificate
2004-12-23
2008-03-04
Trinh, Minh (Department: 3729)
Metal working
Method of mechanical manufacture
Electrical device making
C029S825000, C343S7000MS, C343S846000
Reexamination Certificate
active
07337528
ABSTRACT:
A textured dielectric patch antenna is fabricated by applying a first mask pattern (310, 510, 610, 710, 915, 1015, 1210) to a first side of a solid panel made of a first material that is a ceramic dielectric and then sandblasting the solid panel through the first mask pattern from the first side to at least partially generate a shaped cavity (315, 920, 1040). The shaped cavity of the solid panel may be filled with a second material (330, 740). The first and second materials have substantially differing dielectric constants. The first side and second side of the solid panel are metallized (325), forming a patch antenna. The shaped cavities can be made more complex by using additional masking and/or sandblasting steps.
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J. Kula, D. Psychoudakis, C.C. Chen, J.L. Volakis, J. H. Halloran “Patch Antenna Miniaturization Using Thick Truncated Textured Ceramic Substrates” IEEE 2004.
G. Kiziltas, D. Psychoudakis, J.L. Volakis, N. Kikuchi “Topology Design Optimization of Dielectric Substrates for Bandwith Improvement of a Patch Antenna” IEEE 2003.
Dunn Gregory J.
Savic Jovica
Svigelj John A.
Yala Nadia
Lamb James A.
Trinh Minh
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