Stock material or miscellaneous articles – All metal or with adjacent metals – Composite; i.e. – plural – adjacent – spatially distinct metal...
Patent
1984-10-10
1986-07-15
O'Keefe, Veronica
Stock material or miscellaneous articles
All metal or with adjacent metals
Composite; i.e., plural, adjacent, spatially distinct metal...
428601, 428925, 357 68, 357 71, 204192EC, C03C 2702
Patent
active
046006630
ABSTRACT:
A method for fabricating a microstrip resonator line permitting precise control of line width, edge definition and thickness. On a substrate, there is printed a first conductive layer having a precisely controlled width. This first layer has a thickness less than the desired thickness of the resonator line. Further conductive layers are printed over the first layer to build up to the desired thickness of the resonator line based on skin depth requirement at the frequency of operation. Each of the further conductive layers for building the thickness of the line has a width less than that of the first conductive layer so that resonator line width is controlled by the width of the first layer.
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William J. MacDonald et al., The Microwave Hybrid Circuit: Fabrication Process Considerations, Pub. Film Micro Electronics, Inc., Sep. 1969.
DuPont, Electronic Materials, Photo Products Dept., Electronic Products Div., Wilmington, DE, Thick Film Conductor Comps., 9925 and 9923, Sep. 1976.
General Electric Company
O'Keefe Veronica
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