A method of soldering

A method of soldering

In a method of soldering the surfaces of a component (11) to a substrate (12), a solder preform (15) is located in the gap between the surfaces. The solder is heated and an over pressure applied to move the surfaces together whilst the solder is molten. Abutments (17) between the surfaces limit the...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: KEVIN JOSEPH LODGE, GILES HUMPSTON, JAMES HUGH VINCENT
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS
CLADDING OR PLATING BY SOLDERING OR WELDING
CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC
GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS
MACHINE TOOLS
MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PRINTED CIRCUITS
SEMICONDUCTOR DEVICES
SOLDERING OR UNSOLDERING
TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:In a method of soldering the surfaces of a component (11) to a substrate (12), a solder preform (15) is located in the gap between the surfaces. The solder is heated and an over pressure applied to move the surfaces together whilst the solder is molten. Abutments (17) between the surfaces limit the spacing between them. A trapped void (18) is decreased in volume as the pressure is applied. The method is particularly applicable to monolithic microwave integrated circuits (MMIC) and reduces void areas in joints.