A ceramic lid for sealing a semiconductor element and having a sealing surface which is to seal a semiconductor element within a recess of a ceramic package, by heating the recess with glass sealant and hermetically sealing the semiconductor element. The ceramic lid is made of alumina of high purity...http://www.google.es/patents/US5122862?utm_source=gb-gplus-sharePatente US5122862 - Ceramic lid for sealing semiconductor element and method of manufacturing the same
Ceramic lid for sealing semiconductor element and method of manufacturing ...
