USE OF TAPERED HEAD PIN DESIGN TO IMPROVE THE STRESS DISTRIBUTION IN THE BRAZE JOINT

Connector structure for reducing the stresses created on a substrate (11) and on the bonding surface (22) at which a connector is attached. The connector has a tapered or beveled head (23) thereby tapering the stress away from the edges of the bonding surface and therefore away from the high stress...

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Bibliographic Details
Main Authors PALMATEER, PAUL HARRY, SHIH, DA YUAN, AGARWALA, BIRENDRA NATH
Format Patent
LanguageEnglish
Published 26.08.1992
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Summary:Connector structure for reducing the stresses created on a substrate (11) and on the bonding surface (22) at which a connector is attached. The connector has a tapered or beveled head (23) thereby tapering the stress away from the edges of the bonding surface and therefore away from the high stress areas of the substrate, preventing cracking and delamination problems that might otherwise result. The taperedhead geometry also allows greater flexibility in manufacturing the connectors particularly when fabricating pins using a coldheading process in that a greater shank diameter:pin head diameter ratio can be obtained.
Bibliography:Application Number: EP19870112731