Laser beam system for micro via formation

A laser system for micro via formation directly over a plated through hole (PTH). The laser system forms the micro via directly over the PTH with full dielectric removal from a capture pad while minimizing the dielectric removal from a center portion of the PTH.

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Bibliographische Detailangaben
1. Verfasser:	KRESGE JOHN S
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACHINE TOOLS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS PRINTED CIRCUITS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A laser system for micro via formation directly over a plated through hole (PTH). The laser system forms the micro via directly over the PTH with full dielectric removal from a capture pad while minimizing the dielectric removal from a center portion of the PTH.