ELECTRONIC COMPONENT MOUNTING APPARATUS AND METHOD OF MOUNTING ELECTRONIC COMPONENT

PROBLEM TO BE SOLVED: To decide whether a measured value is abnormal, due to the breakdown of a height level measuring device and prevent the generation of defects of a printed circuit board. SOLUTION: A height level measuring device 18 measures the height level of the measurement position of a prin...

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Bibliographische Detailangaben
Hauptverfasser:	ONISHI SEIJI, MATSUYOSHI TSUTOMU
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 decide whether a measured value is abnormal, due to the breakdown of a height level measuring device and prevent the generation of defects of a printed circuit board. SOLUTION: A height level measuring device 18 measures the height level of the measurement position of a printed circuit board P. If a CPU 30 can read a measurement result, it is decided as being normal. Then, a threshold decision for deciding whether the measurement result is within the range, -0.3 mm