SILICON CRYSTAL RECTIFIERS 3 



principal requirements of the rectifiers for laboratory use were that the 

 units be sensitive, stable chemically, mechanically, and electrically, and 



^v-^ 



1934 



Ti 



1937 





i^ -«~ Jt* 



Fig. 1— Point contact rectifier structures. 1934-1943. Approximately f actual size. 



that they be easily adjusted. Considering the known vagaries of the device's 

 historical counterpart, it was considered prudent to provide in the structures 

 means by which the unit could be readjusted as frequently as might prove 

 necessary or desirable. 



