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To satisfy the strict requirements of high reliability of ceramic packaging, we explored the KV ring clad metal AgCu15/4J29.  After the tests, all of the properties could satisfy the needs, could also meet customer’s using demands after the trial use, now this item has replaced the imported products.
Main item：

AgCu15/4J29、AgCu28/4J29。

Packing graphic:

Features：
1、AgCu15/4J29 means Ag and Cu’s solder been cladded on kovar alloy, is a kind of clad metal used for ceramic packaging.
2、It posses both 4J29 alloy  and AgCu solder alloy’s property, is the best packaging material for transistors.
3、For the manufacture of field effect transistor, it could specially solve the difficulty of solder position’s locating.
4、Components manufactured by this material could widely used in electric vacuum field for its high reliability.