We make use of the ultra-fine drilling technology, at which we excel, to manufacture aperture plates and orifices. We are a pioneer in ultra-fine drilling technology that allows drilling of holes as small as φ0.002 mm.
At Daiwa, we make free use of proprietary developed finish processing and special cleaning technology to remove nano-sized burrs and contaminants. The products have gained a high level of trust as apertures for electron beams and X-rays mainly for SEMs and TEMs.
Ultra-fine drilled products
Our ultra-fine electrical discharge machining technology can be used for fine deep hole drilling. Burrs generated by electrical discharge are removed by our mirror finishing technology for delivery of products as high-grade holes.

Aperture plates for TEMs

Pinholes for radiation shielding

Orifice

Mo φ0.005

Mo φ0.005

SUS φ0.01