CERAMIC CIRCUIT BOARD

PROBLEM TO BE SOLVED: To overcome such a problem that current density is high on the curved part of an L-shaped metal terminal, large resistance heating is generated and melting occurs on the metal terminal. SOLUTION: In a ceramic circuit board attaching a metal circuit plate 3 to the upper face of...

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1. Verfasser: IGUCHI MASAAKI
Format: Patent
Sprache:eng
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Zusammenfassung:PROBLEM TO BE SOLVED: To overcome such a problem that current density is high on the curved part of an L-shaped metal terminal, large resistance heating is generated and melting occurs on the metal terminal. SOLUTION: In a ceramic circuit board attaching a metal circuit plate 3 to the upper face of a ceramic board 1 and a metal terminal 4 connected electrically to the metal circuit plate 3, the metal terminal 4 has an L shape having a connection part 4a joined to the upper face of the ceramic board 1 and a leg part 4b, and an angle part having an angle less than 100 degrees is not formed on the curved part of the L-shaped metal terminal 4.