The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 18, 1984
Filed:
Sep. 16, 1982
Edwin J Luetzow, Farmington, MN (US);
TelTec Inc., Farmington, MN (US);
Abstract
A method of preparing stranded electrical conductors for subsequent attachment to the terminal pad of an electrical device or component whereby the tip portion of said conductors are fused to form a coalescent bead. The stranded wire conductor is placed in a holding fixture and the end surface thereof is brought into engagement with an electrode member. The electrode is then displaced from the end of the wire by a predetermined gap distance. Subsequently, the air or other gas in the gap is ionized by a high frequency, high voltage electrical field, creating a low impedance for a low voltage current source. The current flowing from this source, through the electrode and through the gap is sufficient to fuse the strands of the conductor being treated at the tip end thereof and when cooled, a tiny coalescent bead of metal is formed. A suitable inert gas may also be introduced into the gap during the process to prevent oxidation of the metal during the fusion step.