YAMAJU CERAMICS CO. LTD, YCC

 , JP Manufacturer
Optical and SAW grade lithium niobate and lithium tantalate single crystal and wafers, MgO-, Er-, Nd-, ZnO- doped.

KOIKE CO.,LTD.

 , JP Manufacturer
Lithium Tantalate SAW wafer, Lithium Niobate SAW wafer and Quartz SAW wafer