Kasen continuously supplies world’s smallest micro openings mechanically processed. Small capillary controlled in units of 1µm keeps superiority to other processing method （EDM, Laser, Etching） in tern of hole diameter, surface finish, circularity. These small item help to control optical instruments, air, fluid as a key parts of various kind of application such us aperture, flowmeter, inkjet, orifice, etc.
■Special processing for projection Materials：Silicon
■Special processing for PIN Materials：Tungsten/Copper
■Special processing for irregular shape Materials：Tungsten/Copper/Tungsten carbide