PRINTED WIRING BOARD AND ITS MANUFACTURE

PURPOSE:To provide a low-cost printed board whereby low-impedance patterns of desired characteristics impedance can easily be obtained which design-changes general-purposed patterns into low-impedance patterns, and low-impedance patterns into general-purposed patterns in regard with a printed wiring...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	TOMINAGA JUNJI, SAKAI MIYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE WAVEGUIDES
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a low-cost printed board whereby low-impedance patterns of desired characteristics impedance can easily be obtained which design-changes general-purposed patterns into low-impedance patterns, and low-impedance patterns into general-purposed patterns in regard with a printed wiring board having patterns different in characteristics impedance in the same layer and its manufacture. CONSTITUTION:This printed wiring board has in the same layer an impedance- controlled low-impedance pattern 5 as wide as a general-purposed pattern 2 and thicker as predetermined than the general-purposed pattern 2.