Rapid prototyping of LTCC microwave circuits using laser machining

  title={Rapid prototyping of LTCC microwave circuits using laser machining},
  author={M. Farhan Shafique and Ian D. Robertson},
  journal={2009 IEEE MTT-S International Microwave Symposium Digest},
In this paper the use of laser machining for the rapid prototyping of microwave circuits in LTCC technology is studied. Compared with traditional screen printing or photolithographic methods, a fast and low cost method for circuit research and development is feasible by directly patterning conductors and vias using a commercial laser prototyping system on unfired LTCC green-tape. The effects of varying laser power, etching speed and etching grid are studied. A conductor width and gap of 50µm… CONTINUE READING
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