Attachment of leads to precision resistors

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United States of America Patent

PATENT NO 4286249
SERIAL NO

06103549

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A precision resistor has a thin resistive foil cemented to a much thicker rigid substrate. The foil has formed therein a pattern defining the resistive path between terminal pads. Copper leads can be spot-welded directly to these pads without damage to the junction. To that end, apertures are provided through the terminal pads, through which cement softened by the spot-welding heat can locally expand and gas evolved under pressure can escape, all without adversely affecting the junction and without substantial lifting of the terminal pads from the substrate.

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Patent Owner(s)

  • VISHAY INTERTECHNOLOGY, INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lewis, Kenneth R Broomall, PA 1 19
Meenan, Anthony C West Chester, PA 1 19

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