The next step is to make a lOx reticle on a hard-surface blank and step-and- repeat it into IX emulsion master masks ... PCBs [12, 13] or printed wiring boards ( PWBs) are used extensively for electronic packaging and RF front-end circuit boards.
|Title||:||Lumped Elements for RF and Microwave Circuits|
|Author||:||I. J. Bahl|
|Publisher||:||Artech House - 2003-01-01|