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:
Jun. 22, 1993
Filed:
Jun. 24, 1991
Applicant:
Inventor:
Wilhelm Schroettle, Munich, DE;
Assignee:
Siemens Aktiengesellschaft, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
219 8516 ; 219237 ; 338312 ;
Abstract
A ceramic soldering element, which is utilized in reflow soldering of electrical components that have a multitude of thermal legs, comprises a ceramic substrate, which is thermally conductive but electrically insulating, has a plurality of heating resistors disposed along an edge of the substrate, which edge forms a soldering edge and an arrangement consisting of metal layers on opposite surfaces of the substrate for applying electrical current to each of the heating resistors.