PRINTED CIRCUIT BOARD THAT CAN IDENTIFY MANUFACTURING INFORMATION

PROBLEM TO BE SOLVED: To provide a printed circuit board that can identify manufacturing information. SOLUTION: A printed circuit board includes a substrate on which a patterned wiring layer is formed and a working area that records manufacturing information related to the printed board. The working...

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Bibliographische Detailangaben
Hauptverfasser:	HO SHING-FUN, LIN HSIENIEH, LO HSING-LUN, CHIANG KUOUN
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS PRINTED CIRCUITS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a printed circuit board that can identify manufacturing information. SOLUTION: A printed circuit board includes a substrate on which a patterned wiring layer is formed and a working area that records manufacturing information related to the printed board. The working area includes a plurality of code frames. Each code frame includes a first probe area including set of resistance test loops and a second probe area including four sets of resistance test loops. The manufacturing information recorded in the working area is read by a resistance measuring device measuring whether each resistance test loop in the first probe area and the second probe area is conductive. COPYRIGHT: (C)2008,JPO&INPIT