94 GHz slotted waveguide array fabricated by photolithographic techniques

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94 GHz slotted waveguide array fabricated by photolithographic techniques

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© The Institution of Electrical Engineers
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94 GHz nonresonant shunt and series slot waveguide arrays have been fabricated by using high-resolution photolithographic and chemical etching techniques. The antenna pattern, efficiency and input reflection coefficient for the two types of arrays have been measured and are in good agreement with design predictions.

Inspec keywords: antenna radiation patterns; waveguide antennas; photolithography; microwave antenna arrays; etching

Other keywords: chemical etching techniques; 94 GHz; MM waves; efficiency; antenna pattern; slotted waveguide array; photolithographic techniques; input reflection

Subjects: Waveguide and microwave transmission line components; Antenna arrays

References

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      • A.A. Oliner . The impedance properties of narrow radiating slots in the broadface of rectangular waveguide. IRE Trans. , 12 - 20
    2. 2)
      • Gelsthorpe, R.V., Aylward, M.J.: `A waveguide slot array for use at millimetric frequencies', Second International Conference on antennas and propagation, April 1981, York, England.
    3. 3)
      • R.S. Elliott . (1981) , Antenna theory and design.
    4. 4)
      • Kesler, O.B., George, J.: `94 GHz antenna techniques', AFWAL-TR-80-1222, Report, February 1981.
    5. 5)
      • H.Y. Yee . Impedance of a narrow longitudinal shunt slot in a slotted waveguide array. IRE Trans. , 589 - 592
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